WO2005110194A1 - 挿入装置 - Google Patents
挿入装置 Download PDFInfo
- Publication number
- WO2005110194A1 WO2005110194A1 PCT/JP2005/008915 JP2005008915W WO2005110194A1 WO 2005110194 A1 WO2005110194 A1 WO 2005110194A1 JP 2005008915 W JP2005008915 W JP 2005008915W WO 2005110194 A1 WO2005110194 A1 WO 2005110194A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- unit
- observation
- insertion portion
- section
- image
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/31—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00147—Holding or positioning arrangements
- A61B1/00148—Holding or positioning arrangements using anchoring means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00147—Holding or positioning arrangements
- A61B1/0016—Holding or positioning arrangements using motor drive units
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0607—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements for annular illumination
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0676—Endoscope light sources at distal tip of an endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
Definitions
- the present invention relates to an insertion device used for introducing an insertion portion into a body cavity for performing an endoscopic examination in a body cavity, particularly in the large intestine.
- endoscopes having an elongated and flexible insertion section have been used in the medical field for inspection, treatment and the like.
- the treatment tool provided in the insertion portion can be used as needed.
- Various treatments and treatments can be performed by introducing the treatment tool into the body cavity through the communication channel.
- a bending portion is provided on the distal end side of the insertion portion. The bending portion bends, for example, in a vertical direction or a horizontal direction by moving an operation wire connected to a bending piece constituting the bending portion. The operation wire is moved forward and backward by rotating, for example, a bending knob provided on the operation unit.
- the insertion portion When performing an endoscopy, the insertion portion must be inserted into a complicated and complicated body cavity.
- a complicated intricate lumen such as the large intestine, which draws a 360 ° loop, the surgeon operates the bending knob to bend the bending part.
- the operator performs a hand operation such as twisting the insertion portion to introduce the distal end portion of the insertion portion toward the target site for observation.
- Japanese Patent Application Laid-Open No. Hei 10-113396 discloses that the invasion to the deep part of a biological vessel is easily and minimally invasive.
- a medical device propulsion device that can guide a medical device with a medical device is shown.
- the rotating member is provided with a rib oblique to the axial direction of the rotating member. For this reason, by rotating the rotating member, the rotating force of the rotating member is converted to propulsion by the rib, and the medical device connected to the propulsion device is moved in the deep direction by the propulsion. .
- the rotating member is disposed in front of a medical device, for example, an observation optical system of an endoscope.
- a medical device for example, an observation optical system of an endoscope.
- the observation range of the observation optical system is obstructed by the rotating member.
- the operator cannot insert the endoscope deep into the body cavity while observing the inside of the large intestine, for example.
- the surgeon may be unable to observe the inside of the large intestine, for example, when the rotating member comes into contact with the bent portion of the large intestine and the endoscope is stopped, and delays the decision on how to cope with the situation. Can be considered.
- the present invention has been made in view of the above circumstances, and provides an insertion device that allows visual observation of the inside of a body cavity when a propulsion force is generated to introduce the insertion portion into a deep part of the body cavity such as the large intestine. For the purpose of providing.
- An insertion device of the present invention includes a long insertion portion to be inserted into a subject, a thrust generating portion provided on an outer peripheral surface of the insertion portion, and a propulsion generating portion that is connected to a longitudinal axis of the insertion portion.
- a rotating unit for rotating around, an observation unit for observing the image of the subject, and an image of the subject based on an observation signal output from the observation unit corresponding to the rotation of the propulsion force generation unit.
- Display control means for causing the display to be displayed on the screen of the display device.
- FIG. 1 is a view for explaining the configuration of an endoscope system according to a first embodiment [2] Diagram for explaining connection between insertion part and insertion part rotating device
- FIG. 3 is a partial cross-sectional view in a longitudinal direction illustrating a main part of an endoscope insertion portion.
- FIG. 6 is a diagram showing a state in which an image captured by an image sensor provided in an insertion section is displayed as an image A on a monitor screen at a predetermined phase position
- FIG. 7 A diagram showing a state in which image A is displayed on the monitor screen when the insertion section is rotated from the position in FIG.
- FIG. 8 A diagram showing a state in which image A is displayed on the monitor screen when the insertion portion 2 is further rotated as shown in FIG.
- FIG. 9 is a view showing a state in which the image picked up by the image pickup device provided in the insertion section is returned to the predetermined phase position, and is displayed as image B on the monitor screen.
- FIG. 10 is a diagram showing the relationship between the rotation angle ⁇ of the insertion portion holder of the insertion portion rotating device and the time t.
- FIG. 11 A diagram for explaining the relationship between an image that matches the rotation angle ⁇ of the insertion portion holder of the insertion portion rotation device of FIG. 10 and the time t and an image displayed on the monitor screen.
- FIG. 17 is a partial longitudinal sectional view illustrating an insertion portion and an insertion portion rotating device according to a third embodiment.
- FIG. 18 is a view for explaining a configuration example of a connecting portion for preventing an erroneous connection between a connector portion of an endoscope insertion portion and an insertion portion holding portion of an insertion portion rotating device.
- FIG. 20 is a view for explaining another configuration of a connecting portion for preventing erroneous connection between the connector portion of the endoscope insertion portion and the insertion portion holding portion of the insertion portion rotating device.
- FIG. 21 is a front view of a distal end portion of an insertion portion according to a fourth embodiment.
- FIG. 22 is a longitudinal partial cross-sectional view illustrating an insertion portion and an insertion portion rotating device according to a fourth embodiment.
- FIG. 24 is a partial longitudinal cross-sectional view illustrating an insertion portion provided with a replacement unit.
- FIG. 25 is a diagram illustrating a wireless transmitter and a power supply battery provided in an insertion portion holder of the insertion portion rotating device.
- FIG. 26 is a diagram illustrating a connector unit provided in the connector of the insertion unit.
- FIG. 27 An external view of a rotating device having a shape of an operating portion of an endoscope and an insertion portion detachable from the rotating device.
- FIG. 28 is a view for explaining the attachment / detachment relationship between the insertion portion and the insertion portion holding portion.
- FIG. 29 is a view for explaining an insertion section that can be attached to and detached from a rotating device having an operation section
- an endoscope system 1 includes an endoscopic insertion section (hereinafter simply referred to as an insertion section) 2 as an insertion section, and an insertion section rotating device (hereinafter, a rotating section) as a rotating section.
- a rotating section an insertion section rotating device 6 and
- the insertion section 2 is elongated and flexible.
- the insertion section 2 is provided with a spiral guide tube 3.
- the guide tube 3 is provided, for example, integrally between the connector portion 4 and a distal end portion (hereinafter, abbreviated as a distal end portion) 5a of the endoscope.
- the connector section 4 of the insertion section 2 is connected to an insertion section holding section 9 which is a substantially cylindrical body protruding from one side of the rotating device 6.
- the guide tube 3 is loosely inserted into the protection tube 10. This prevents the insertion portion 2 from directly contacting the floor or the like in the operating room.
- the rotating device 6 is a device for rotating the insertion portion 2 in a predetermined direction around the longitudinal axis.
- the rotating device 6 and the video processor 7 are connected by a cable 6a, and the video processor 7 and the monitor 8 are connected by a cable, not shown.
- the video processor 7 is provided therein with a control unit 7a for performing various controls and a signal processing circuit 7b for performing various signal processes.
- an endoscope image which is an image of the subject based on the video signal output from the video processor 7 is displayed.
- the video processor 7 In a state where the insertion section 2 is inserted into a body cavity such as the large intestine, the video processor 7 according to the present embodiment has a distal end 5a of the insertion section 2 which will be described in detail later.
- a video signal for displaying only a still image in a predetermined rotation phase synchronized with the rotation cycle on the screen of the monitor 8 is output to the monitor 8.
- the distal end portion 5a of the insertion section 2 is formed in a substantially cylindrical shape.
- the distal end portion 5a is provided with a hole constituting the camera unit storage portion 5A.
- the camera unit housing section 5A houses the camera unit 11, which is an imaging unit, and is integrally fastened.
- the camera unit 11 is provided with an observation optical system and an illumination optical system.
- An observation window 12 is provided substantially at the center of the distal end face of the camera unit 11.
- a plurality of, here two, illumination windows 13 are provided around the observation window 12.
- a plurality of electrical cables 1 la extend from the proximal end of the camera unit 11.
- the electric cable 1 la extends through the inside of the inlet 2 to the base end.
- the plurality of electric cables 11a may be collectively configured as a cable bundle and inserted into the insertion section 2.
- the insertion portion holding portion 9 of the rotating device 6 has a substantially cylindrical convex portion 15 protruding from the center of the distal end surface, and a plurality of, here two pins 14 around the convex portion 15. Is provided. By fitting the pins 14 and the projections 15 into the connector section 4 of the insertion section 2, the insertion section 2 and the insertion section holding section 9 are mechanically and electrically connected and fixed. .
- a camera unit 11 integrally fixed to the distal end portion 5a is provided with an observation optical system 12a and two illumination optical systems 13a.
- the observation optical system 12a is arranged toward the observation window 12 at the base end side.
- an imaging device (hereinafter referred to as CCD) 16 as observation means is arranged.
- CCD imaging device
- Each of the illumination optical systems 13a is disposed from the two illumination windows 13 toward the base end.
- a light emitting diode (hereinafter, referred to as LED) 17 which is an illumination light irradiation unit, is provided.
- the proximal end force of the camera unit 11 is extended by a signal transmission cable electrically connected to the CCD 16 and a power supply cable electrically connected to the LED 17.
- the signal transmission cable and the power supply cable preferably have substantially the same voltage. Therefore, various types of damage caused by the proximity of the respective cables, for example, damage to the CCD 16 due to electromagnetic induction and the like, and The damage of the LED 17 is prevented.
- the insertion portion main body 5 is formed to have a smaller diameter than the distal end portion 5a.
- the proximal end of the insertion section main body 5 extends to the connector section 4.
- the distal end portion 5a is configured as a flange for preventing the guide tube 3 from falling off.
- a through hole 5b through which an electric cable 1 la extending from the camera unit 11 is inserted is provided at the center of the distal end portion main body 5.
- the insertion portion main body 5 is a substantially tubular body having flexibility.
- the guide tube 3 is externally mounted on the insertion portion main body 5.
- the connector section 4 is fixed to the base end of the insertion section main body 5. That is, the guide tube 3 is disposed between the distal end portion 5a of the insertion portion 2 and the connector portion 4 and is disposed on the outer peripheral portion of the insertion portion main body 5! /
- the guide tube 3 is a tube member made of, for example, stainless steel and formed by spirally winding a metal wire 3A having a predetermined diameter into two layers and having a predetermined flexibility. .
- the guide tube 3 may be configured by winding the metal element wire 3A in a spiral shape, for example, in a multi-layer structure such as a four-layer structure.
- various characteristics of the guide tube 3 can be set by changing the degree of adhesion between the metal wires 21a or changing the angle of the spiral.
- a spiral-shaped portion 3a serving as a propulsion force generating portion formed by the surface of the metal strand 3A is provided on the outer surface of the guide tube 3.
- the metal wire 3A is wound in a left-handed spiral shape from the distal end to the proximal end.
- the metal element wire is set so that the groove of the spiral-shaped portion 3a of the guide tube 3 is in the same direction as the thread groove of the left-hand thread. 3A is spirally wound.
- the helical portion 3a of the guide tube 3 By setting the helical portion 3a of the guide tube 3 in the same direction as the thread groove of the left-hand thread, the helical portion 3a is rotated when the helical portion 3a is rotated during insertion into a body cavity, especially into the large intestine. And the intestinal wall in the large intestine, the insertion property of the insertion portion 2 into the large intestine is improved.
- a fitting hole 4a and a pin hole 4b are provided on the base end face side of the connector portion 4.
- the fitting hole 4a is a round hole provided substantially at the center of the base end face, and the projection 15 is provided.
- a plurality of, here two, pin holes 4b are provided around the fitting hole 4a.
- the pins 14 are respectively disposed in the pin holes 4b.
- the bottom surface of the fitting hole 4a has a plurality of, here three, contact terminals 4A. Each of the contact terminals 4A is connected to a signal transmission cable, which is an electric cable 1 la, and a power cable.
- three contact pins 15a corresponding to the contact terminals 4A are provided on the distal end surface of the convex portion 15 of the insertion portion holding portion 9. Therefore, when the connector section 4 and the insertion section holding section 9 are connected, the three contact terminals 4A provided on the connector section 4 and the three contact pins 15a provided on the insertion section holding section 9 are electrically connected to each other. It comes into contact with. As a result, the CCD 16 and the LED 17 are electrically connected to the rotating device 6.
- the insertion portion holding portion 9 is rotatably held in a direction around a long axis by, for example, a bearing 21 provided on a side plate of the rotating device 6.
- a spur gear-shaped gear groove 9a is formed on the outer periphery of the base end portion of the insertion portion holding portion 9.
- a cylindrical gear 20a provided at the tip of the motor shaft of the motor 20 is engaged with the gear groove 9a. Therefore, when the motor 20 is driven, the cylindrical gear 2 Oa provided on the motor shaft rotates.
- the insertion portion holding portion 9 rotates in a predetermined direction around the longitudinal axis, in this case, the base end force also turns to the left with the front end force directed toward the front end.
- the rotating device 6 is provided with a current collector (hereinafter, referred to as a slip ring) 18 for electrically connecting the rotating insertion portion holder 9 and the control device 22.
- the control device 22 includes a control unit 22a, a signal circuit 22b, a power supply circuit 22c, and the like.
- the slip ring 18 includes a first electrical contact portion and brush portions 23a and 24a as third electrical contact portions, and a second electrical contact portion and ring portions 23b and 24b as fourth electrical contact portions. It is provided with. bra The portions 23a and 24a are in electrical contact with the ring portion 23b in a sliding state.
- the brush portions 23a and 24a are integrally provided at predetermined portions of the insertion portion holding portion 9.
- the ring portions 23b and 24b are provided circumferentially at a predetermined value on the outer peripheral surface of the shaft body 22a extending from the control device 22.
- the shaft body 22a has the same central axis as the rotation axis of the insertion portion holding unit 9.
- a signal transmission cable is connected to the brush part 23a as the first electric contact part, and the ring part 23b as the second electric contact part is electrically connected to the signal circuit 22b.
- a power cable is connected to the brush part 24a as the third electric contact part, and the ring part 24b as the fourth electric contact part is electrically connected to the power supply circuit 22c.
- the rotating device 6 includes a motor encoder 25 serving as a rotating unit detecting means for detecting a rotation angle of the motor 20 or an insertion unit holding unit 9 for rotating the insertion unit 2 provided with the guide tube 3.
- a holding unit encoder 26 which is a propulsion force generation unit detecting means for detecting the rotation angle of the motor.
- the detection signals output from the encoders 25 and 26 are input to the control unit 22a of the control device 22.
- the holding unit encoder 26 is provided, and outputs a detection signal every time one reference point provided on the insertion unit holding unit 9 passes through a predetermined phase position. That is, a detection signal is output to the control unit 22 every time the insertion unit holding unit 9 rotates.
- a doctor or a nurse inserts the insertion section 2 into the protective tube 10. Then, the connector part 4 of the insertion part 2 from which one end force of the protection tube 10 is also projected is connected to the insertion part holding part 9 of the rotating device 6. At this time, the staff inserts the two pins 14 of the insertion portion holding portion 9 into the two pin holes 4b of the connector portion 4 respectively, holds this state, and connects the projection 15 of the insertion portion holding portion 9 to the connector. Insert into the fitting hole 4a of the part 4. This completes the preparation for inserting the insertion portion 2 into the large intestine. In addition to the preparation for the insertion section 2, the video processor 7 and the monitor 8 are also prepared.
- the staff grasps the distal end portion of the insertion portion 2 and inserts the distal end portion 5a of the insertion portion 2 into the large intestine from the anus 71 (see FIG. 4) of the patient lying on a bed or the like. Then, the spiral-shaped part 3a of the guide tube 3 provided in the insertion part 2 comes into contact with the intestinal wall of the patient. At this time, the contact state between the spiral-shaped portion 3a of the guide tube 3 and the fold of the intestinal wall is a relationship between the male screw and the female screw.
- the staff rotates the motor 20 of the rotating device 6 rightward around the axis of the insertion section 2.
- the insertion portion holding portion 9 is rotated to the left around the axis.
- the connector portion 4 of the insertion portion 2 attached to the insertion portion holding portion 9 is rotated to the left around the axis with a force in the insertion direction.
- This rotation is transmitted from the proximal end of the insertion section 2 to the distal end, so that the spiral-shaped section 3a of the guide tube 3 provided integrally with the insertion section 2 moves from the distal end to the proximal end. It turns to the left around the axis.
- the camera unit 11 integrally fixed to the distal end portion 5a of the insertion section 2 also rotates with the rotation of the insertion section 2.
- the insertion portion 2 is rotated, the insertion portion 2 is moved forward so that the male screw moves relative to the female screw at the contact portion between the rotating helical portion 3a and the fold of the intestinal wall. Force is generated. As a result, the insertion portion 2 moves deep inside the large intestine by the propulsive force. At this time, the surgeon may perform a hand operation so as to push the gripped insertion section 2 forward.
- the insertion portion 2 in the rotating state inserted from the anus 71 is moved from the rectum 72 by the propulsive force generated by the guide tube 3 and the operation at hand by the operator. Proceed to the colon 73. Then, the distal end portion 5a of the insertion portion 2 reaches the sigmoid colon portion 73. At this time, since the spiral-shaped portion 3a of the insertion portion 2 is in contact with the intestinal wall, the insertion portion 2 can obtain a stable propulsive force in a state where it is complicatedly bent. Since the insertion portion 2 has a predetermined flexibility, the sigmoid colon portion 73 where the position is easily changed can be smoothly moved along the intestinal wall without obstructing the progress state. Go forward. When passing through the sigmoid colon 73, the insertion section 2 may smoothly advance along the intestinal wall while forming the sigmoid colon 73 in an ⁇ -loop shape.
- the rotating insertion section 2 passes through the sigmoid colon section 73.
- the insertion part 2 Bend which is the boundary between the part 73 and the inferior mobile descending colon 74
- the splenic flexure 76 which is the boundary between the descending colon 74 and the mobile transverse colon 75, the transverse colon 75 and the ascending colon 78 It smoothly advances along the wall of the hepatic curve 77, which is the boundary between the two. As a result, as shown in FIG. 5, for example, it reaches the vicinity of the cecum 79, which is the target site, without changing the running state of the large intestine.
- the staff While the rotating insertion section 2 is being inserted into the patient's large intestine, the staff checks the endoscopic image of the large intestine projected on the screen of the monitor 8 while pushing the insertion section 2 with the propulsion force. And deep into the large intestine by manual operation.
- the video processor 7 is configured to display the endoscope on the screen of the monitor 8.
- a predetermined video signal is output to the monitor 8 to prevent the image from rotating.
- the video signal output from the video processor 7 to the monitor 8 is an observation signal output from the CCD 16 at a predetermined phase position in consideration of the rotation cycle of the insertion section 2.
- the video processor 7 includes, for example, a predetermined phase position where a triangle mark T of the tip 5a is located above the paper surface, and a vertical position of the subject image captured by the CCD 16.
- a video signal is output to the monitor 8 at a position where the position matches the vertical relationship of the endoscope image displayed on the screen of the monitor 8.
- the endoscope image captured by the CCD 16 located at the predetermined phase position shown in FIG. 6 is displayed as the image A on the screen of the monitor 8.
- the position force of the triangle T of the tip 5a is rotated from the position shown in Fig. 6 by, for example, 120 degrees in the direction of the arrow.
- the video processor 7 outputs the video signal to the monitor 8 in a state where the tip 5a is located at the predetermined phase position. That is, the image A similar to that shown in FIG. 6 is continuously displayed on the screen of the monitor 8.
- the position of the triangular mark T of the tip 5a has been rotated in the direction of the arrow by an additional 150 degrees, for example, from the position shown in FIG.
- the video processor 7 outputs the video signal to the monitor 8 in a state where the tip 5a is located at the predetermined phase position. That is, the image A similar to that shown in FIG. 6 is continuously displayed on the screen of the monitor 8.
- endoscope images captured by the CCD 16 arranged at a predetermined phase position are displayed one after another in synchronization with one rotation cycle of the distal end portion 5 a of the insertion section 2. Is done.
- the control device 22 of the rotating device 6 includes information on the rotation cycle (time) t and the rotation of the insertion portion holding portion 9 rotating at the rotation angle 0 (0 ° to 360 °) as shown in FIG.
- the information of the angle 0 is obtained via the encoder 26.
- the control unit 22a of the control device 22 provided in the rotating device 6 receives the detection signal from the encoder 26, under the control of the control unit 22a, when the rotation angle ⁇ is 0 °, the camera unit The observation signal output from the CCD 16 is supplied to the video processor 7.
- the video processor 7 converts the observation signal transmitted from the CCD 16 of the camera unit 11 into a video signal, outputs the video signal to the monitor 8, and displays the video signal on the screen of the monitor 8. Display the endoscope image.
- the control device 22 of the rotating device 6 transmits the observation signal output from the CCD 16 of the camera unit 11 at the time T1 when the insertion portion holding portion 9 shown in FIG. Supply to video processor 7.
- the video processor 7 generates a video signal at a rotation angle of 0 ° and a time T1, and outputs the video signal to the monitor 8.
- the endoscope image VI shown in FIG. 11 is displayed on the screen of the monitor 8.
- the video processor 7 controls the rotation of the insertion unit holder 9 of the rotating device 6 during the period from time T1 to the time T2, that is, while the rotation angle ⁇ of the insertion unit holder 9 is 0 ° ⁇ ⁇ 360 °. Is moving During this time, the video signal for displaying the endoscope image VI shown in FIG. 11 on the monitor 8 is continuously output.
- the observation signal output from the CCD 16 of the camera unit 11 that is, the observation signal corresponding to the endoscope image Via at the rotation angle of ° 0 ° and the rotation angle 150 is 150 °
- the observation signal corresponding to the endoscope image Vlb at the time of observation, or the observation signal corresponding to the endoscope image Vic at the rotation angle of 3 ⁇ 400 ° is not generated as a video signal.
- the control device 22 of the rotation device 6 transmits the observation signal output from the CCD 16 of the camera unit 11 to the video processor at the time T 2 at the rotation angle of 0 ° by the insertion portion holding portion 9 shown in FIG. Supply 7
- the endoscope image V2 shown in FIG. 11 at the rotation angle of 0 ° and the time T2 generated by the video processor 7 is displayed on the screen of the monitor 8.
- the endoscope image V2 is continuously displayed on the screen of the monitor 8 while the time t is between T2 ⁇ t ⁇ T3.
- the rotating device 6 supplies a predetermined observation signal to the video processor 7 at the time T3 when the insertion portion holder 9 shown in FIG.
- the endoscope image V3 shown in FIG. 11 at the rotation angle of 0 ° and the time T3 is displayed on the screen of the monitor 8.
- the video processor 7 When displaying an endoscope image on the monitor 8, the video processor 7 performs a rotation correction process in accordance with the rotation cycle of the rotation device 6, and displays the image as a normal image on the monitor 8. You may make it so. As a result, the image displayed on the screen of the monitor 8 is displayed as a normal observation image without rotating.
- the observation window 12 In this rotation correction process, the observation window 12 is disposed substantially at the center of the camera unit 11. For this reason, the optical axis of the observation window 12 is on the rotation axis of the insertion section 2.
- the staff inserts the insertion section 2 deep into the large intestine while checking the endoscope image displayed on the screen of the monitor 8. At this time, in accordance with various bending states in the large intestine, the rotation speed of the rotation device 6 is changed, and a hand operation of pushing the insertion portion 2 is performed as appropriate. After that, if the staff determines that the endoscope image power displayed on the screen of the monitor 8 indicates that the distal end portion 5a of the insertion section 2 has reached the vicinity of the cecum 79, the driving of the rotating device 6 is stopped. Then, in order to perform an endoscopy in the large intestine, the procedure shifts to pulling back the insertion section 2.
- the staff When performing an endoscopy of the colon, the staff actuates the rotating device 6 so that the insertion section 2 rotates around the axis to the right with the proximal force directed toward the distal end, and the insertion section 2 A pull-back operation may be performed.
- the spiral-shaped portion is provided on the outer surface of the guide tube.
- the state of contact between the helical portion of the guide tube and the fold of the intestinal wall has a so-called relationship between a male screw and a female screw.
- the insertion unit holding unit is rotated to the left around the axis by the motor of the rotating device, and the endoscope insertion unit is rotated to the left around the axis.
- the rotational force is converted into the propulsive force, and the endoscope insertion portion can be rotated and advanced toward the deep part of the large intestine so that the male screw moves with respect to the female screw.
- the staff checks the endoscopic image in the large intestine on the screen of the monitor 8 while obtaining the thrust by rotating the insertion section 2 to the left around the axis.
- the staff can easily check the bent state in the large intestine, the inserted state of the insertion section, and the like. Therefore, the insertion of the endoscope insertion part into the deep part of the body cavity can be performed smoothly and in a short time, so that the burden on the staff and the burden on the patient are reduced.
- the insertion section 2 is inserted into a body cavity such as the large intestine.
- the operator can insert the insertion part into the body cavity such as the large intestine while observing the inside of the body cavity such as the large intestine, so that the insertion property of the insertion part 2 into the body cavity is improved. improves.
- the body cavity into which the insertion section 2 is inserted is described as the large intestine, but the body cavity into which the insertion section 2 is inserted is not limited to the large intestine, but may be the oral cavity, the esophagus, the stomach, the small intestine, etc. It may be a body cavity or the like.
- the camera unit 30 may be attached to and detached from the distal end portion 5a of the insertion section 2.
- the camera unit 30 is inserted into a camera unit storage section 5A provided at the distal end portion 5a.
- the same components as those of the insertion unit 2 of the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.
- the camera unit 30 is configured in a substantially spherical shape having a smooth outer surface in consideration of the insertability of the insertion portion 2.
- the distal end portion of the camera unit 30 has an observation window 12 and a plurality of and two illumination windows 13.
- the optical axis of the observation window 12 substantially coincides with the rotation axis of the insertion section 2.
- the two lighting units 13 are provided around the observation window 12.
- a substantially cylindrical connector portion 30a is provided on the base end side of the camera unit 30.
- a plurality of, here two, contact terminals 31 are provided on the side peripheral surface of the connector portion 30a.
- the connector section 30a of the camera unit 30 is fitted into the camera unit storage section 5A at the distal end 5a.
- the connector unit 30a of the camera unit 30 is integrally fixed to the distal end portion 5a by a fixing member 33 such as a screw in order to prevent the force of the camera unit storage unit 5A from falling off. Therefore, when the insertion section 2 is rotated as in the above-described embodiment, the camera unit 30 integrally fixed to the distal end 5a rotates with the rotation of the insertion section 2.
- An observation optical system 12a is provided from the observation window 12 of the camera unit 30 toward the base end.
- a CCD 16 is provided at the base end of the observation optical system 12a.
- an illumination optical system 13a is provided so as to be directed from each illumination window 13 toward the base end.
- An LED 17 is provided at a base end of each of the illumination optical systems 13a.
- the signal transmission cable extending from the CCD 16 and the power cable extending from the LED 17 are respectively connected to the contact terminals 31 of the connector section 30a.
- the tip 5a of the insertion portion 2 has a plurality of, here two, contacts.
- a contact pin 32 is provided.
- the contact pins 32 are electrically connected to the two contact terminals 31 of the camera unit 30.
- the contact pins 32 also protrude a predetermined amount of the inner peripheral surface force of the camera unit housing 5A.
- the other end of the electric cable 1 la whose one end is connected to the contact terminal 4A is connected to each contact pin 32.
- An O-ring 34 is provided on the opening side of the camera unit housing 5A.
- the O-ring 34 is provided in close contact with the outer peripheral surface of the connector 30a of the camera unit 30.
- the O-ring 34 keeps the connector 30a and the camera unit housing 5A watertight.
- the camera unit 30 can be easily attached to and detached from the insertion section 2 via the fixing member 33. Therefore, the camera unit 30 can be easily replaced, and the maintenance of the CCD 16 and the LED 17 built in the camera unit 30 can be easily performed.
- the guide tube 3 of the present embodiment is loosely fitted to the outer peripheral portion of the insertion portion main body 5 between the distal end portion 5a of the insertion portion 2 and the connector portion 4. ing. That is, the guide tube 3 of the first embodiment is provided integrally with the insertion portion main body 5, whereas the guide tube 3 of the present embodiment is turned around the longitudinal axis with respect to the insertion portion main body 5. It is free to move.
- the inner peripheral surface of the guide tube 3 may be subjected to a high lubricity and surface treatment such as fluorine coding.
- a motor 40 is provided inside.
- the motor shaft 40a of the motor 40 projects outside from the side plate of the rotating device 6.
- the motor shaft 4 Oa is parallel to the insertion portion holding portion 9A.
- a substantially columnar rotating body 41 which also has elastic member force is disposed at a tip portion of the motor shaft 40a.
- the rotating body 41 is arranged in close contact with the outer peripheral surface of the base end portion of the guide tube 3 with a predetermined pressing force. Therefore, when the motor 40 is driven, the rotating body 41 that is disposed in close contact with the guide tube 3 rotates, and rotates the guide tube 3 in a predetermined direction around the longitudinal axis with respect to the insertion portion main body 5.
- the insertion portion holding portion 9A is integrally fixed to the side plate portion of the rotating device 6. Therefore, it is not necessary to provide a current collecting device such as the slip ring 18 in the rotating device 6, and the configuration of the rotating device 6 can be simplified.
- the observation signal output from the CCD 16 of the camera unit 11 is continuously generated as a video signal by the video processor 7 and displayed on the screen of the monitor 8.
- the observation window 12 and the illumination window 13 in the camera unit 11 can be freely arranged. Changes can be made, and the degree of freedom in design is improved. Therefore, the arrangement of the illumination window 13 and the observation window 12 for optimizing the light distribution balance within the imaging range, the arrangement of the illumination window 13 and the observation window 12 for the purpose of narrowing the diameter of the distal end, and the like can be appropriately performed.
- annular gear 43 is integrally provided at the proximal end portion of the guide tube 3 as shown in FIG. It may be configured to be provided at
- the gear 43 is provided with a spur gear-shaped gear groove 43a, for example.
- a cylindrical gear 42 is provided at the end of the motor shaft 40a of the motor 40!
- the cylindrical gear 42 provided on the motor shaft 40 a of the motor 40 is provided on the guide tube 3, and is arranged so as to fit in the gear groove 43 a of the gear 43. Therefore, when the motor 40 is driven, the cylindrical gear 42 is rotated, and the rotation of the cylindrical gear 42 is transmitted to the gear 43 in which the gear groove 43a is formed, so that only the guide tube 3 rotates around the longitudinal axis. Rotate in a predetermined direction.
- the rotation direction of the guide tube 3 shown in FIGS. 14 and 15 is the left direction around the longitudinal axis of the guide tube 3 as in the first embodiment.
- the outer diameter of the distal end portion 5a of the insertion portion 2 is formed to have the same diameter as the insertion portion main body 5.
- an annular contact portion 29a for preventing the guide tube 3 from dropping is fixed to the distal end portion 5a.
- the stopper member 29 is connected to an elastic body tightly fixed to the outer peripheral surface of the distal end portion 5a of the insertion portion 2 or a hard member fixed to the outer peripheral surface of the distal end portion 5a by screwing. I do.
- a male screw is formed on the outer peripheral surface of the distal end portion 5a, and a female screw is formed on the inner hole of the stopper member 29.
- the guide tube 3 can be removed from the insertion portion main body 5 constituting the insertion portion 2. Therefore, the staff can easily perform highly reliable washing and disinfection by separating the insertion portion main body 5 and the guide tube 3 from each other.
- the stopper member 29 and the guide tube 3 may be disposable.
- the rotation direction of the guide tube 3 described above is the leftward direction around the longitudinal axis of the guide tube 3, as in the first embodiment.
- the adhesion of the guide tube 3 to the intestinal wall in the large intestine is increased, and the insertability of the insertion section 2 into the large intestine is improved.
- an observation window 12 and an illumination window 13 are provided on the distal end surface of the distal end portion 5a of the insertion section 2.
- An observation optical system 12a provided with a CCD 16 and two illumination optical systems 13a provided with an LED 17 are provided inside the distal end portion 5a.
- a through hole 5B for CCD wiring and a through hole 5C for LED wiring are provided inside the insertion section main body 5 and the connector section 4.
- a signal transmission cable extending from the CCD 16 is passed through the through hole 5B for CCD wiring, and a power cable extending from the LED 17 is passed through the through hole 5C for LED wiring.
- the CCD contact terminal 45 is provided at an end of the through hole 5B for CCD wiring of the connector section 4.
- a signal transmission cable is connected to the CCD contact terminal 45.
- LE An LED contact terminal 46 is provided at the end of the D wiring through hole 5C.
- a power cable is connected to the LED contact terminal 46.
- the CCD contact terminal 45 and the LED contact terminal 46 are provided so as to be exposed at the bottom surfaces of the two pin holes 4b of the connector portion 4, respectively.
- pin 14A When connecting the insertion portion 2 to the insertion portion holding portion 9, two pins 14 A are provided in the insertion portion holding portion 9 A for two pin holes 4 b provided in the connector portion 4. , 14B, respectively.
- the pin 14A contacts the CCD contact terminal 45, and the pin 14B contacts the LED contact terminal 46.
- a signal transmission cable is connected to pin 14A. Therefore, the pin 14A is a pin terminal for transmitting the observation signal output from the CCD 16 to the video processor 7.
- a power cable is connected to pin 14B. Therefore, pin 14B is a pin terminal for supplying LED power to LED17.
- connection portion between the connector portion 4 of the insertion portion 2 and the insertion portion holding portion 9A of the jumper 6 will be specifically described.
- the convex portion 15 forming the insertion portion holding portion 9A provided in the rotating device 6 is provided with a key portion 15A protruding to the outer peripheral side.
- a keyhole portion 4A is provided in the fitting hole 4a provided in the connector portion 4 of the insertion portion 2.
- the keyhole portion 4A is configured such that a key portion 15A provided on the convex portion 15 of the insertion portion holding portion 9A is engaged therewith. Therefore, the connector part 4 of the insertion part 2 and the insertion part holding part 9A of the rotating device 6 are connected in a predetermined positional relationship set beforehand at the time of connection. Therefore, the key portion 15A and the keyhole portion 4A are positioning members. In the connected state, the pin 14A and the CCD contact terminal 45 are securely brought into contact with each other, and the pin 14B and the LED contact terminal 46 are securely connected. Make this abut.
- the pins 14A and 14B may also be used as the positioning members as shown in FIG. Specifically, the pins 14A and 14B are protruded from the periphery of the convex portion 15 of the insertion portion holding portion 9A in an astigmatic manner. At this time, the positions of the two pin holes 4b provided in the connector part 4 of the insertion part 2 are provided so as to face the pins 14A and 14B, and the pin 14A contacts the CCD contact terminal 45, and Set so that 4B contacts the LED contact terminal 46.
- a positioning pin 14C may be provided on the insertion portion holding portion 9A separately from the pins 14A and 14B. At this time, a positioning hole 4c for inserting a positioning pin 14C provided in the insertion portion holding portion 9A is provided in a predetermined position in the connector portion 4 of the insertion portion 2.
- the connector portion 4 of the insertion portion 2 and the insertion portion holding portion 9A of the rotating device 6 are always connected only in a predetermined positional relationship. That is, during connection, the pin 14A of the insertion portion holding portion 9A is securely inserted into the pin hole 4b on the CCD contact terminal 45 side, and the pin 14B is securely inserted into the pin hole 4b on the LED contact terminal 46 side. You. Therefore, when connecting the connector portion 4 of the insertion portion 2 and the insertion portion holding portion 9A of the rotating device 6, the staff can perform the connection work without considering the orientation.
- the present embodiment has a better!
- the power supply cable connected to the LED 17 and the signal transmission cable connected to the CCD 16 are inserted into the through-holes 5B and 5C, respectively, inside the input unit body 5.
- the proximity of the power cable and the signal transmission cable is prevented from being mixed into the observation signal output from the CCD 16, and as a result, a good endoscope image is displayed on the screen of the monitor 8.
- the pins 14A of the insertion section holding section 9A and the force CCD contact terminal 45 side are securely inserted into the pin hole 4b, and is securely inserted into the pin hole 4b on the pin 14B force LED contact terminal 46 side. This eliminates a connection error in which the connector section 4 of the insertion section 2 and the insertion section holding section 9A of the rotating device 6 are erroneously connected, and reduces the burden on staff.
- the endoscope system according to the first to third embodiments is also used.
- the same reference numerals are given to members having the same configuration and operation as those of the system, and description thereof will be omitted.
- an opening of the channel 50 is provided on the distal end surface of the distal end portion 5a of the insertion section 2 of the present embodiment.
- the channel 50 is a through-hole extending to the connector section 4 of the insertion section 2.
- the open end of the channel 50 of the insertion section 2 on the connector section 4 side is provided, for example, on the side peripheral surface of the connector section 4.
- a tube connector 51 is provided in an opening on the connector part 4 side, and one end of a tube 52 is detachably connected to the tube connector 51.
- the other end of the tube 52 is selectively connected as appropriate according to various uses such as an external device such as an air supply / water supply pump, a suction pump, or a syringe.
- a gear groove 9a is provided in the base end portion of the insertion portion holding portion 9 of the rotating device 6, as in the first embodiment.
- a cylindrical gear 20a provided at the tip of the motor shaft of the motor 20 is engaged with the gear groove 9a.
- the insertion / insertion portion holding portion 9 is rotated leftward and rightward around the longitudinal axis by the motor 20. Therefore, the insertion section 2 is also rotated leftward and rightward about the long axis.
- the rotation range of the insertion portion holding portion 9 is restricted to a predetermined range, for example, a range of 360 °.
- the rotation of the insertion portion holding unit 9 is controlled by controlling the rotation of the motor 20 based on a control signal output from the control unit 22a of the control device 22.
- the guide tube 3 is rotated by the motor 40 to the left around the longitudinal axis with respect to the insertion portion main body 5 constituting the insertion portion 2.
- the rotation of the insertion section 2 is not limited to the rotation around the longitudinal axis by the motor 20, but may be any as long as the connector section 4 of the insertion section 2 is rotated around the longitudinal axis.
- a so-called rack pin for moving the insertion portion 2 forward and backward in the longitudinal direction may be provided in the rotating device 6.
- the insertion unit 2 may be provided with a replacement unit 53 that is detachable from the distal end portion 5a to the connector portion 4.
- a through hole 2A having substantially the same shape as the outer shape of the replacement unit 53 is provided in the longitudinal direction between the distal end portion 5a of the insertion portion 2 and the connector portion 4.
- the replacement unit 53 is detachably inserted into the through hole 2A of the insertion section 2.
- the replacement unit 53 is a flexible tube member and has a channel 53a.
- a tube connector 54 communicating with the channel 53a is provided at the base end of the exchange unit 53.
- the outer surface of the replacement unit 53 is coated with a biocompatible lubricant, for example, grease, powder, or the like. Therefore, the staff can easily insert the replacement unit 53 into the through hole 2A of the insertion section 2.
- the tube connector 54 is selectively connected to an external device, such as an air / water pump, a suction pump, or a syringe, as appropriate.
- a notch portion 56 is provided in the insertion portion holding portion 9B of the rotating device 6 to which the insertion portion 2 having the through hole 2A in which the replacement unit 53 is provided is connected.
- the insertion portion 2 may be rotated about the longitudinal axis by the insertion portion holding portion 9B of the rotating device 6. Further, a cleaning nozzle for cleaning the observation window 12 in communication with the channel 50, or a front water supply nozzle may be provided on the distal end surface of the replacement unit 53. Further, the number of channels 53a provided in the exchange unit 53 is not limited to one, but may be plural.
- the rotating device 6 of the endoscope system 1 shown in FIG. 25 has a wireless transmitter 60 and a power supply battery 61 inside the insertion portion holding portion 9.
- the power supply battery 61 supplies driving power to the CCD 16, the LED 17, and the wireless transmitter 60.
- the power supply battery 61 is It may be a rechargeable battery or a use-type battery! /.
- the wireless transmitter 60 wirelessly transmits the observation signal output from the CCD 16 of the insertion unit 2 and transmitted to the receiver 62.
- the receiver 62 is connected to the video processor 7 by a cable or the like.
- the observation signal received by the receiver 62 is supplied to the video processor 7.
- the video signal generated by the video processor 7 is output to the monitor 8, and the endoscope image captured by the CCD 16 is displayed on the screen of the monitor 8.
- the receiver 62 may be built in the video processor 7.
- a power cable and a signal transmission cable extending from the insertion portion holding portion 9 of the rotating device 6 for rotating the insertion portion 2 to the control device 22 and the like can be made unnecessary, and the slip can be eliminated. Signals can be exchanged without providing complicated components such as the ring 18.
- the configuration of the rotating device 6 can be simplified, and the size of the device can be reduced.
- the endoscope system 1 shown in Fig. 26 has a configuration in which a connector unit 62 is continuously provided on the base end side of the connector 4 of the insertion unit 2.
- the connector unit 62 includes the wireless transmitter 60 and a battery 61 for power supply.
- the connector unit section 62 is detachable from the insertion section holding section 9 of the rotating device 6.
- the connector unit 62 may be detachable from the connector 4 of the insertion section 2.
- the wireless transmitter 60 and the connector unit 62 provided with the power supply battery 61 are detachable from the insertion portion holding portion 9 and the connector portion 4, the wireless transmitter 60 and the connector unit 4 are detachable. Expensive equipment such as the power supply battery 61 can be reused. Therefore, an inexpensive endoscope system 1 that reduces the running cost can be realized.
- the external shape of the rotating device 6 may be a rotating device 70 having an operating unit shape that can be gripped by a staff member like a conventional endoscope operating unit.
- the endoscope device 80 is configured by connecting the connector portion 4 of the insertion portion 2 to the insertion portion holding portion 9 provided in the rotating device 70.
- a universal cord 71 connected to various external devices extends from, for example, a side of the rotating device 70.
- two switches 72 and one stop switch 72a are provided on one side of the rotating device 70 near the universal cord 71.
- the two switches 72 move the insertion section 2 to the left or right around the longitudinal axis. These are switches for rotating in the opposite directions.
- the stop switch 72a is a switch for stopping the rotation of the insertion section 2.
- the insertion portion holding portion 9 also protrudes the tip opening of the buckling prevention portion 70a, which is the tip portion of the rotating device 70. Further, as shown in FIG. 28, the insertion portion holding portion 9 protruding from the buckling prevention portion 70a and the connector portion 4 of the insertion portion 2 are detachable. Further, as shown in FIG. 29, the insertion portion holding portion 9 is held so as to rotate with respect to the rotating device 70 in the direction around the longitudinal axis. Specifically, the insertion portion holding portion 9 is rotatably held by the bearing 21. The bearing 21 is disposed on the inner peripheral surface of the opening at the distal end of the bend preventing portion 70a of the rotating device 70.
- a gear groove 9a is provided in a base end portion of the insertion portion holding portion 9.
- a cylindrical gear 20a provided on the motor shaft of the motor 20 is engaged with the gear groove 9a. Therefore, by operating the switch 72 to drive the motor 20, the insertion portion holding portion 9 is rotated in a predetermined direction around the longitudinal axis.
- a slip ring 18 is provided on the base end side of the insertion portion holding portion 9. The cable extending from the control device 22 passes through the rotating device 70 and passes through the universal cord 71.
- the endoscope system 1 can be configured as a conventional endoscope device so that the staff who uses the endoscope system can feel uncomfortable.
- the operability when inserting the insertion portion 2 into a body cavity such as the large intestine can be improved.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006513593A JP4472695B2 (ja) | 2004-05-14 | 2005-05-16 | 挿入装置 |
US11/599,530 US20070059989A1 (en) | 2004-05-14 | 2006-11-14 | Insertion device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-145703 | 2004-05-14 | ||
JP2004145703 | 2004-05-14 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/599,530 Continuation US20070059989A1 (en) | 2004-05-14 | 2006-11-14 | Insertion device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005110194A1 true WO2005110194A1 (ja) | 2005-11-24 |
Family
ID=35393931
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/008915 WO2005110194A1 (ja) | 2004-05-14 | 2005-05-16 | 挿入装置 |
PCT/JP2005/008913 WO2005110192A1 (ja) | 2004-05-14 | 2005-05-16 | 挿入装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/008913 WO2005110192A1 (ja) | 2004-05-14 | 2005-05-16 | 挿入装置 |
Country Status (3)
Country | Link |
---|---|
US (2) | US20070059989A1 (ja) |
JP (2) | JP4472695B2 (ja) |
WO (2) | WO2005110194A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007185394A (ja) * | 2006-01-13 | 2007-07-26 | Olympus Medical Systems Corp | 内視鏡装置及び内視鏡システム |
US8858428B2 (en) | 2006-01-13 | 2014-10-14 | Olympus Medical Systems Corp. | Endoscope and rotary self-propelled endoscope |
JP7178385B2 (ja) | 2019-06-03 | 2022-11-25 | カール ストルツ ソシエタス エウロペア ウント コンパニー コマンデイトゲゼルシャフト | 撮像システムおよび観察方法 |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8317678B2 (en) | 2005-05-04 | 2012-11-27 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8343040B2 (en) * | 2005-05-04 | 2013-01-01 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8414477B2 (en) * | 2005-05-04 | 2013-04-09 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8235942B2 (en) * | 2005-05-04 | 2012-08-07 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US7575721B2 (en) * | 2005-06-06 | 2009-08-18 | Cepheid | Method and apparatus for storing and dispensing reagent beads |
US8435229B2 (en) | 2006-02-28 | 2013-05-07 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8574220B2 (en) | 2006-02-28 | 2013-11-05 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
JP4868970B2 (ja) * | 2006-08-03 | 2012-02-01 | オリンパスメディカルシステムズ株式会社 | 回転自走式内視鏡システム |
JP5030514B2 (ja) * | 2006-09-15 | 2012-09-19 | オリンパスメディカルシステムズ株式会社 | 内視鏡及び内視鏡システム |
US8870755B2 (en) | 2007-05-18 | 2014-10-28 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
WO2008144033A2 (en) | 2007-05-18 | 2008-11-27 | Spirus Medical, Inc. | Rotate-to-advance catheterizaton system |
US8067945B2 (en) * | 2008-01-02 | 2011-11-29 | At&T Intellectual Property I, L.P. | Method and apparatus for monitoring a material medium |
US7927154B2 (en) * | 2008-05-12 | 2011-04-19 | GE Lighting Solutions, LLC | Bi-pin connector and a lamp employing the same |
DE102008051671A1 (de) * | 2008-10-15 | 2010-04-22 | Ltn Servotechnik Gmbh | Schleifringeinheit |
JP5415925B2 (ja) * | 2009-03-02 | 2014-02-12 | オリンパス株式会社 | 内視鏡 |
US8747297B2 (en) * | 2009-03-02 | 2014-06-10 | Olympus Corporation | Endoscopic heart surgery method |
WO2011037046A1 (ja) * | 2009-09-22 | 2011-03-31 | オリンパス株式会社 | 治療液注入デバイス |
EP2481377A4 (en) * | 2009-09-22 | 2017-12-20 | Olympus Corporation | Space-securing device |
JP5567840B2 (ja) * | 2009-09-22 | 2014-08-06 | オリンパス株式会社 | 細胞注入デバイス |
US9277855B2 (en) * | 2010-08-10 | 2016-03-08 | Boston Scientific Scimed, Inc. | Endoscopic system for enhanced visualization |
MX349916B (es) | 2011-09-02 | 2017-08-18 | Unitract Syringe Pty Ltd | Mecanismo accionador para bombas de suministro de fármacos con indicación de status integrada. |
US9707335B2 (en) | 2011-09-02 | 2017-07-18 | Unitract Syringe Pty Ltd | Drive mechanism for drug delivery pumps with integrated status indication |
US9814832B2 (en) | 2011-09-02 | 2017-11-14 | Unl Holdings Llc | Drive mechanism for drug delivery pumps with integrated status indication |
US11173244B2 (en) | 2011-09-02 | 2021-11-16 | Unl Holdings Llc | Drive mechanism for drug delivery pumps with integrated status indication |
US20140066710A1 (en) * | 2012-06-19 | 2014-03-06 | University Of Iowa Research Foundation | Devices and methods for intraoperative control of endoscopic imaging |
DK3028727T3 (en) | 2012-08-29 | 2017-09-04 | Unitract Syringe Pty Ltd | CONTROLLED DELIVERY DRIVE MECHANISM FOR MEDICAL DELIVERY PUMP |
JP5586813B1 (ja) * | 2012-09-27 | 2014-09-10 | オリンパスメディカルシステムズ株式会社 | 回転ユニット、挿入装置、挿入体、この挿入体が配設される挿入装置、及び、挿入体と挿入装置とを有する挿入システム |
JP6116465B2 (ja) * | 2013-11-26 | 2017-04-19 | オリンパス株式会社 | 内視鏡 |
JP5945654B1 (ja) * | 2014-07-17 | 2016-07-05 | オリンパス株式会社 | 挿入装置 |
AU2015350178B2 (en) | 2014-11-18 | 2020-07-23 | Smith & Nephew, Inc. | Endocoupler with induction coupling |
CN106659359B (zh) * | 2015-03-18 | 2018-07-13 | 奥林巴斯株式会社 | 内窥镜 |
JP6177488B2 (ja) | 2015-07-23 | 2017-08-09 | オリンパス株式会社 | マニピュレータ及び医療システム |
US10695487B2 (en) | 2016-08-30 | 2020-06-30 | Unl Holdings Llc | Controlled delivery drive mechanisms for drug delivery pumps |
WO2018131134A1 (ja) * | 2017-01-13 | 2018-07-19 | オリンパス株式会社 | 可撓管挿入装置 |
US10433717B1 (en) * | 2018-06-28 | 2019-10-08 | Meditrina, Inc. | Endoscope having size-adjustable working channel |
US11647896B2 (en) * | 2019-03-28 | 2023-05-16 | Olympus Corporation | Rollerless tubular connector for transferring rotative force from insertion section of endoscope to spiral tube |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5343989A (en) * | 1976-10-01 | 1978-04-20 | Canon Kk | Endscope with replaceable end |
JPS5542657A (en) * | 1978-09-22 | 1980-03-26 | Medos Kenkyusho Kk | Coelom inside induction device in endoscope* etc* |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542426A (en) | 1978-09-20 | 1980-03-25 | Nippon Telegr & Teleph Corp <Ntt> | Electronic trunk device |
JPS6056489B2 (ja) * | 1978-09-25 | 1985-12-10 | 旭光学工業株式会社 | 内視鏡における体腔内誘導装置 |
JPS56152635A (en) * | 1980-04-28 | 1981-11-26 | Olympus Optical Co | Ultrasonic diagnosis apparatus |
JPS59181122A (ja) * | 1983-03-31 | 1984-10-15 | オリンパス光学工業株式会社 | 内視鏡等における進退誘導装置 |
US4989582A (en) * | 1987-01-20 | 1991-02-05 | Olympus Optical Co., Ltd. | Winding type endoscope apparatus |
US4998282A (en) * | 1987-12-09 | 1991-03-05 | Olympus Optical Co., Ltd. | Lifesaving borescope system |
US5097838A (en) * | 1989-04-27 | 1992-03-24 | Olympus Optical Co., Ltd. | Ultrasonic endoscope |
US5140265A (en) * | 1989-12-20 | 1992-08-18 | Olympus Optical Co., Ltd | Eddy current flaw detecting endoscope apparatus which produces signals which control other devices |
US5377682A (en) * | 1991-09-05 | 1995-01-03 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic probe for transmission and reception of ultrasonic wave and ultrasonic diagnostic apparatus including ultrasonic probe |
US6413209B1 (en) * | 1995-09-15 | 2002-07-02 | Med Images, Inc. | Imaging system with condensation control |
US5989230A (en) * | 1996-01-11 | 1999-11-23 | Essex Technology, Inc. | Rotate to advance catheterization system |
JPH10113396A (ja) * | 1996-10-14 | 1998-05-06 | Takeshi Ikeuchi | 医療機器の推進装置 |
US6379334B1 (en) * | 1997-02-10 | 2002-04-30 | Essex Technology, Inc. | Rotate advance catheterization system |
EP1000507B1 (en) * | 1997-07-30 | 2002-04-24 | Pinotage, LLC | Imaging device |
JP4187320B2 (ja) * | 1998-10-05 | 2008-11-26 | オリンパス株式会社 | 内視鏡挿入装置 |
US6471637B1 (en) * | 1999-09-24 | 2002-10-29 | Karl Storz Imaging, Inc. | Image orientation for endoscopic video displays |
US6805665B1 (en) * | 1999-12-09 | 2004-10-19 | Olympus Corporation | Image pick-up device for endoscopes |
US6916286B2 (en) * | 2001-08-09 | 2005-07-12 | Smith & Nephew, Inc. | Endoscope with imaging probe |
JP3869291B2 (ja) * | 2002-03-25 | 2007-01-17 | オリンパス株式会社 | カプセル型医療装置 |
JP3917885B2 (ja) * | 2002-04-08 | 2007-05-23 | オリンパス株式会社 | カプセル内視鏡システム |
US6895137B2 (en) * | 2002-06-07 | 2005-05-17 | Infraredx, Inc. | Multi-channel optical coupler for spinning catheter |
AT411867B (de) * | 2003-02-20 | 2004-07-26 | W & H Dentalwerk Buermoos Gmbh | Adapter für ein medizinisches lichtgerät |
-
2005
- 2005-05-16 JP JP2006513593A patent/JP4472695B2/ja not_active Expired - Fee Related
- 2005-05-16 WO PCT/JP2005/008915 patent/WO2005110194A1/ja active Application Filing
- 2005-05-16 WO PCT/JP2005/008913 patent/WO2005110192A1/ja active Application Filing
- 2005-05-16 JP JP2006513591A patent/JP4354485B2/ja not_active Expired - Fee Related
-
2006
- 2006-11-14 US US11/599,530 patent/US20070059989A1/en not_active Abandoned
- 2006-11-14 US US11/599,578 patent/US7621867B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5343989A (en) * | 1976-10-01 | 1978-04-20 | Canon Kk | Endscope with replaceable end |
JPS5542657A (en) * | 1978-09-22 | 1980-03-26 | Medos Kenkyusho Kk | Coelom inside induction device in endoscope* etc* |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007185394A (ja) * | 2006-01-13 | 2007-07-26 | Olympus Medical Systems Corp | 内視鏡装置及び内視鏡システム |
US8858428B2 (en) | 2006-01-13 | 2014-10-14 | Olympus Medical Systems Corp. | Endoscope and rotary self-propelled endoscope |
JP7178385B2 (ja) | 2019-06-03 | 2022-11-25 | カール ストルツ ソシエタス エウロペア ウント コンパニー コマンデイトゲゼルシャフト | 撮像システムおよび観察方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2005110192A1 (ja) | 2005-11-24 |
JP4354485B2 (ja) | 2009-10-28 |
JPWO2005110192A1 (ja) | 2008-03-21 |
JPWO2005110194A1 (ja) | 2008-03-21 |
US7621867B2 (en) | 2009-11-24 |
US20070066104A1 (en) | 2007-03-22 |
US20070059989A1 (en) | 2007-03-15 |
JP4472695B2 (ja) | 2010-06-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4472695B2 (ja) | 挿入装置 | |
US7951068B2 (en) | Rotating self-traveling endoscope system, rotating self-traveling endoscope insertion assisting tool, and method for technique of inserting endoscope insertion portion into small intestine using rotating self-traveling endoscope system | |
JP4436833B2 (ja) | 挿入装置 | |
JP4922618B2 (ja) | 内視鏡及び内視鏡システム | |
US20090281384A1 (en) | Endoscope and endoscope system | |
WO2006129440A1 (ja) | 内視鏡装置 | |
US8088065B2 (en) | Medical instrument | |
US20220304550A1 (en) | Systems and methods for modular endoscope | |
CN100577086C (zh) | 内窥镜用插入部以及内窥镜系统 | |
JP2002065575A (ja) | 電子内視鏡 | |
CN116261417A (zh) | 用于一次性内窥镜的方法和系统 | |
US20090023994A1 (en) | Endoscope Insertion Portion and Endoscope | |
CN215128274U (zh) | 转向控制机构、内窥镜和医用检查装置 | |
US20230380662A1 (en) | Systems and methods for responsive insertion and retraction of robotic endoscope | |
EP4316344A1 (en) | Endoscope controlled by power receptor | |
JP4500310B2 (ja) | 挿入装置、及び内視鏡システム | |
WO2005110191A1 (ja) | 挿入装置 | |
JP5019899B2 (ja) | 回転自走式内視鏡装置 | |
WO2006123398A1 (ja) | 挿入装置の挿入部及び挿入装置 | |
JP2008194179A (ja) | 回転自走式内視鏡システム | |
WO2023055600A1 (en) | Systems and methods for configurable endoscope bending section | |
WO2023129458A1 (en) | Systems and methods for robotic endoscope shaft | |
WO2023101913A1 (en) | Systems and methods for endoscope proximal end design | |
JP2007313225A (ja) | 回転自走式内視鏡装置 | |
JP2020500617A (ja) | 携帯型内視鏡 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006513593 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11599530 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 11599530 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |