WO2003089917A1 - Cartouche de biocapteurs et dispositif distributeur de biocapteurs - Google Patents
Cartouche de biocapteurs et dispositif distributeur de biocapteurs Download PDFInfo
- Publication number
- WO2003089917A1 WO2003089917A1 PCT/JP2003/004865 JP0304865W WO03089917A1 WO 2003089917 A1 WO2003089917 A1 WO 2003089917A1 JP 0304865 W JP0304865 W JP 0304865W WO 03089917 A1 WO03089917 A1 WO 03089917A1
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- WO
- WIPO (PCT)
- Prior art keywords
- biosensor
- sensor
- cartridge
- dispensing device
- case
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/4875—Details of handling test elements, e.g. dispensing or storage, not specific to a particular test method
- G01N33/48757—Test elements dispensed from a stack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S436/00—Chemistry: analytical and immunological testing
- Y10S436/807—Apparatus included in process claim, e.g. physical support structures
- Y10S436/808—Automated or kit
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/11—Automated chemical analysis
- Y10T436/110833—Utilizing a moving indicator strip or tape
Definitions
- the present invention relates to a biosensor force cartridge and a biosensor dispensing device for storing a plurality of biosensors for measuring a specific component in a sample and dispensing the biosensors one by one.
- Landscape technology a biosensor force cartridge and a biosensor dispensing device for storing a plurality of biosensors for measuring a specific component in a sample and dispensing the biosensors one by one.
- a dedicated measuring instrument supplies a predetermined voltage to the electrode system of the sensor to which whole blood is attached, measures the value of the current flowing between the electrodes, and uses the measured value as a sample.
- a dedicated measuring instrument supplies a predetermined voltage to the electrode system of the sensor to which whole blood is attached, measures the value of the current flowing between the electrodes, and uses the measured value as a sample.
- Japanese Patent Application Laid-Open No. Sho 61-2945351 see Japanese Patent Application Laid-Open No. Sho 61-2945351.
- biosensor dispensing device that is loaded into a measuring device and dispenses one biosensor at a time.
- a biosensor dispensing device Even a user such as a diabetic patient with many elderly people may accidentally drop the biosensor when mounting it, mount it in the opposite direction, or install it in the opposite direction. It has become less likely to cause erroneous operations such as measuring up to
- the biosensor dispensing device described in Japanese Patent Application Laid-Open No. Hei 8-262620 discloses a biosensor dispensing device in which an upper case and a lower case are formed like a bivalve shell as shown in FIGS. 19A and 19B.
- a substantially disk-shaped sensor pack 202 is housed inside a housing 201 that is openably and closably connected.
- the sensor pack 202 has a plurality of sensor holding cavities each including a blood Darcos sensor, and has a desiccant cavity communicated therewith.
- the upper case is provided with a sliding latch 203 that operates the sliding actuator, and by sliding this sliding latch 203 with your thumb, the device is placed in the display / data processing mode or test mode. Can be set.
- the device can be set to the display / data processing mode, and the user can The data displayed on the display 204 located in the housing can be visually checked, or the manual button 205 located adjacent to the data port connector on the rear of the housing can be used to display the data in the electrical components in the housing.
- the device can be set to test mode by pushing it forward of the housing.
- the biosensor is released from one of the sensor cavities of the sensor pack 202, protrudes from the test end 206 of the housing 201, and the electrical contacts on the biosensor are connected to the microprocessor in the housing. And / or coupled to other data processing circuits.
- This allows the user to attach a sample such as blood to the protruding biosensor, retrieve the sample data, display it on the display 204 described above, or perform other monitoring through the data port connector. Can be stored for transmission to industrial or analytical instruments.
- the biosensor dispensing device described in Japanese Patent Application Laid-Open No. 08-285858 is equipped with a sensor bottle 300 shown in FIG. 20A.
- a sensor bottle 300 shown in FIG. 20A.
- a communicating channel 301c is formed.
- Aluminum seal 302 and aluminum seal 303 are welded to both ends of 301, and the desiccant absorbs the moisture contained in biosensor bottle 300, resulting in a change in biosensor performance.
- the biosensor bottle 300 when the biosensor bottle 300 is mounted on the biosensor dispensing device equipped with the rotating shaft 300 and the protruding shaft 300, the biosensor bottle is driven.
- the motor starts up, rotates the rotary shaft 305 in one direction, and sets the biosensor bottle 300 to the initial position.
- the rotation of the rotating shaft 305 is performed while the position is recognized by a photo sensor (not shown).
- the protruding shaft drive mode is activated and the protruding shaft 303 is slid to the left, and the protruding shaft 300 breaks the aluminum seal 303 and the biosensor 304 push.
- the pressed Pio sensor 304 breaks the aluminum seal 302, moves to a predetermined position, and is ready for measurement.
- the protruding shaft drive mode is activated, and the protruding shaft 303 is slid slightly to the left to discharge the biosensor 304 out of the apparatus. Then, the protruding shaft drive motor is reversed and the protruding shaft 303 is slid to the right to return to the initial position. Next, the biosensor bottle drive motor is activated to rotate the biosensor bottle 300 to a position where the next biosensor 304 can protrude.
- the sensor pack 202 can be placed in any position with respect to the housing 201.
- the sliding latch 203 is slid in two steps as described above. It was inconvenient. Further, since a cutter (not shown) for discharging the biosensor in the sensor pack 202 is arranged in the housing 201, the user may be injured when loading the biosensor.
- a biosensor storage chamber 301 a for storing one biosensor 304 and a drying device for storing one desiccant are provided.
- a plurality of sets are formed around the central through hole 301f as one set of the agent storage chamber 301b and the flow path 301c connecting the two chambers, so that the biosensor 304
- the thickness of the biosensor bottle 300 has increased due to the small number of sheets stored, and the dispensing device including the biosensor bottle 300 cannot be made thinner.
- the positional accuracy between the biosensor bottle 300 and the biosensor dispensing device must be considerably improved. It had to be set to Sever. JP03 / 04865 1-6— Also, when the biosensor bottle 300 is removed from the device and then reloaded and used, the biosensor bottle 300 is set to the initial position, which corresponds to the initial position. The biosensors 304 must be set sequentially in the first biosensor storage chamber 301a and the second biosensor storage chamber 301a ... It took a lot of time to be protruded and set.
- the aluminum sheets 302 and 303 are welded to the end surface of the biosensor bottle 300, the aluminum sheets 302 and 303 may be damaged during handling.
- the biosensor 304 it is necessary for the biosensor 304 to easily break out of the aluminum sheet 302 and come out, and for that, the tip 304 a of the biosensor 304 is sharpened.
- the user sometimes felt pain when touching the edge when attaching blood.
- a compact biosensor cartridge that can set biosensors one by one by a simple operation and that can protect the biosensor from moisture until the time of setting can be set. And a biosensor dispensing device. Disclosure of the invention
- the present invention provides a biosensor cartridge in which a plurality of biosensors are housed in a case. 03 04865 1 7-
- biosensors can be sequentially sent out with only simple manual operation using a button or lever, and set at a predetermined test position.
- the replacement of the biosensor cartridge can be easily performed.
- the biosensor cartridge of the present invention a plurality of biosensors are stacked and stored in a case, and the biosensor in the case is sent out one by one, and the sensor is sent out from a sensor outlet opening in the case. It has built-in means. According to this, by driving the sensor sending means by an external sensor sending mechanism, the biosensor can be discharged out of the case, and the biosensor force cartridge can be reduced in size and thickness.
- the sensor sending means slides with respect to the cylindrical rotating member rotated by an external sensor sending mechanism and the rotating member, and engages with a pairable state, and slides with the rotation of the rotating member. And a slide member for pushing the rear end of the lowermost biosensor. According to this, since the slide member feeds the biosensor linearly, the load on the biosensor is small. Also, no complicated mechanism is required for the disposal operation of the used Pyo sensor.
- a spiral groove is formed in the cylindrical surface of the rotating member to be engaged with the sliding member.
- the sliding member slides in the axial direction of the rotating member, which occupies a small area in the case, and the biosensor force cartridge can be made compact.
- a seal member for sealing an opening formed in the case for supporting the rotating member is provided.
- a biosensor storage chamber in which a plurality of biosensors are stacked and stored, and a rear end of the biosensor are pressed in the case in which the biosensor in the case can be reliably shut off from outside air that causes deterioration.
- a partition having a narrower opening than the biosensor is partitioned into a slide member storage chamber for storing the slide member retracted to a possible initial position.
- the opening of the partition wall is set to a width that allows the protrusion formed on the slide member to pass through the rear end of the lowermost biosensor so that it can pass through. According to this, it is only necessary to move the slide member back and forth without changing its posture and direction, and a simple mechanism can be used.
- a recess is provided along the outer shape of the valve means for opening and closing the sensor outlet.
- the sensor sending means has a slide member which slides by an external sensor sending mechanism and pushes the rear end of the lowermost biosensor. As a result, the slide member feeds the biosensor linearly, and the load on the biosensor is small. Used biosensor No complicated mechanism is required for the discard operation.
- a seal plate that opens and closes the sensor discharge port in synchronization with the sensor discharge operation by the slide member is provided.
- the inside of the case can be shut off from the outside air except during the sensor discharging operation.
- the seal plate is opened by a slide member.
- a panel member for pressing the seal plate toward the sensor discharge port, and the slide member has a front end below the biosensor when the rear end of the lowermost biosensor is in an initial position where it can be pressed.
- a protruding portion that is disposed closer to the sensor outlet than the portion, guides the biosensor toward the sensor outlet during the sensor discharging operation, and opens the seal plate against the panel member. I do.
- the tip can be protected by the protrusion.
- the shape of the biosensor can be freely determined, for example, by rounding the tip of the biosensor.
- An elastic seal member is provided on the seal plate for pressing against the outer surface of the case around the sensor outlet. As a result, the sealing performance when the seal plate closes the sensor outlet is improved.
- a small projection to which the elastic seal member is pressed is provided on the outer surface of the case around the sensor outlet. This ensures that the elastic seal member is pressed against the outer surface of the case.
- a seal member is provided to seal the opening formed in the case for the external sensor sending mechanism connected to this slide member. .
- Return means is provided for returning the slide member to an initial position where the rear end of the biosensor can be pressed.
- the slide member can be slid in the direction to discharge the biosensor immediately after discharging the biosensor or immediately after mounting the biosensor force cartridge on the biosensor dispensing device, thereby eliminating wasteful operation time. .
- the slide member has a protrusion disposed below the biosensor when the slide member is at an initial position where the rear end of the biosensor can be pressed.
- the next biosensor can be reliably sent out by the slide member that has returned to the initial position after the sensor discharging operation.
- the inside of the case is partitioned by a partition into a biosensor storage chamber for storing a plurality of biosensors in a stacked manner and a desiccant storage chamber for storing a desiccant, and an air passage communicating between both storage chambers is formed.
- a partition wall is provided in the desiccant storage chamber to form an air passage following the air passage communicating with the biosensor storage chamber, and the desiccant is stored along the air passage.
- the desiccant is molded as a single unit or divided into multiple units according to the shape of the air passage in the desiccant storage chamber. This facilitates storage and handling of the desiccant during assembly of the biosensor cartridge.
- a holding plate is provided on the biosensor in sliding contact with the inner surface of the case along the stacking direction, and an elastic body that holds the biosensor in the stacking direction via the holding plate. As a result, even if there is an impact or the like from outside the case, it is possible to maintain a good state of lamination of the biosensor, The rear end of the biosensor can be pushed with a uniform and stable force.
- the biosensor has a stepped shape with a large thickness at the front end and a small thickness at the rear end, and a slide member that pushes the rear end of the biosensor has a recess that sandwiches the small thickness rear end. And thereby, the biosensor can be reliably sent.
- the biosensor has a stepped shape with a large thickness at the front end side and a small thickness at the rear end side, and the elastic body that presses the biosensor through the presser plate is provided on the back surface of the presser plate corresponding to the thicker tip region. To place. This makes it possible to apply pressure evenly to the stacked biosensors with good balance.
- the biosensor dispensing device includes a plurality of biosensors stacked and stored in a case, and sends out the biosensors in the case one by one, and discharges the biosensors from a sensor outlet opening in the case.
- a cartridge storage chamber for detachably holding a biosensor force cartridge with a built-in output means, a sensor sending mechanism for driving a sensor sending means in the biosensor force cartridge, and a sensor sending means provided by the sensor sending means.
- a sensor transport mechanism for transporting the biosensor discharged from the outlet to a predetermined test position where a sample can be spotted is provided inside the main body, and an operation unit for turning on and off the sensor sending mechanism is exposed outside the main body. It has been provided. According to this, the biosensor can be sequentially arranged at the test position only by operating the operation unit, and a plurality of tests can be performed reliably and continuously.
- a display unit is provided on the outer surface of the main unit for acquiring electric data from the biosensor transported to the test position through an electric circuit in the main unit and displaying the data. As a result, the test result of the biosensor transported to the test position can be easily confirmed.
- Sensor conducting means for pressing and holding the biosensor conveyed to the test position and conducting to the electric circuit in the body is provided.
- the biosensor conveyed to the test position can be held at that position and set to an electrically conductive state.
- the cartridge storage chamber can hold a biosensor cartridge that incorporates a cylindrical rotating member and a sliding member that slides with the rotation of the rotating member and pushes the rear end of the biosensor as sensor sending means.
- the sensor sending mechanism has a rotating means for rotating the rotating member of the biosensor cartridge, and the operating section is configured to be able to operate the sensor sending mechanism with the index finger while holding the main body with one hand.
- the biosensor can be arranged at the test position only by holding the main body with one hand and operating the operation unit, so that a plurality of tests can be performed reliably and continuously.
- the operation unit is capable of moving in and out of the main body, and operates the sensor sending mechanism when pushed into the main body. As a result, the operation of the operation unit for disposing the biosensor at the test position can be performed without difficulty and reliably.
- the sensor sending mechanism drives the sensor sending means so as to discharge the biosensor in a direction opposite to the pushing direction of the operation unit.
- the width of the device can be set small.
- a valve means for opening and closing the sensor outlet opened in the case of the biosensor power cartridge is provided.
- the sensor outlet can be opened only when necessary, preventing deterioration of unused biosensors in the case.
- the valve means is a roller that rolls on the outer surface of the case including the sensor outlet. Thereby, the sensor outlet can be reliably opened and closed without obstructing the movement of the sensor sending means and the like.
- the sensor conducting means and the valve means are operatively connected to the sensor sending mechanism. This allows the user to operate the operation unit without any particular awareness, so that the biosensor in the biosensor force cartridge is discharged from the sensor outlet and placed at the test position, while the sensor outlet is A series of operations such as opening and closing at an appropriate time, holding the biosensor placed at the test position at that position, and setting it in an electrically conductive state can be performed easily and reliably. Therefore, it is possible to prevent the biosensor from being erroneously discharged and the biosensor force cartridge from being inadvertently opened to the atmosphere. ,
- each link member supporting the sensor conduction means and the valve means at one end is pivotally supported on the main body, and a cam for holding and rotating the other end of each link member is provided on the operation unit.
- the biosensor With a single operation of the operation unit, the biosensor is transported to the test position, is electrically connected to the electric circuit in the main body, and is set in a state where the test can be performed. As a result, unnecessary operations can be eliminated and the biosensor can be set securely.
- the power supply of the main body is driven at the same time that the biosensor is set to a state in which it can be tested. This makes it possible to acquire an electric signal from the biosensor at the start of the test for attaching the sample to the biosensor, so that the test can be performed smoothly.
- a cartridge holding mechanism that holds the biosensor cartridge in an unremovable manner. This can prevent the cartridge from being inadvertently removed during operation.
- the force cartridge holding mechanism is linked to the operation unit.
- the cartridge holding mechanism can be reliably operated without using special electric power or the like.
- a detection unit is provided for detecting whether the operation unit has returned to the initial position. This makes it possible to reliably detect the position of the operation unit and prevent a failure of the device.
- the detection means recognizes contact with a member constituting a part of the operation unit.
- the position of the operation unit can be detected using the members provided in the operation unit.
- the sensor sending mechanism includes a connection switching unit that connects or disconnects the sensor sending unit of the biosensor cartridge in conjunction with the opening and closing operation of the lid that opens and closes the cartridge storage chamber when the biosensor cartridge is attached or detached. Shall have. As a result, the connection is automatically disconnected with the opening of the lid prior to the attachment / detachment of the biosensor cartridge, which does not hinder the attachment / detachment operation and improves the handling. After the biosensor cartridge is installed, it is automatically connected with the closing movement of the lid, and the biosensor in the cartridge is efficiently used.
- a claw member is swingably provided on the operation portion, and a slideway on which the tip portion of the claw member slides is formed on the inner wall of the main body, and the tip of the claw member is provided on the slideway when the operation of the operation portion is stopped.
- the runway is a loop in which a forward path in which the tip of the claw member slides when the operating section is pushed in and a return path in which the tip of the claw member slides when returning the operating section to the initial position are arranged in parallel. It is assumed that a sawtooth-shaped uneven portion is arranged on the outward path. As a result, the movement of the operation unit can be reliably controlled, and a mechanism for holding a series of positions at that time can be downsized.
- a latch mechanism is provided to lock the operation unit at the position where the biosensor is set in a testable state to the main body. Accordingly, by holding the position of the operation unit, the biosensor can be held in the set state, and the test operation can be easily and stably performed.
- a latch projection is provided on the operation unit, and a latch body that locks the latch projection is provided on the main body. According to this, the latch mechanism can be realized with a simple member.
- the cartridge storage chamber can hold a biosensor cartridge that incorporates a slide member that pushes the rear end of the biosensor as sensor sending means, and the sensor sending mechanism pushes the slide member of the biosensor force cartridge.
- the operation unit is configured to electrically operate the sensor sending mechanism.
- the biosensor can be placed at the test position simply by operating the working unit, and multiple tests can be performed reliably and continuously.
- the seal plate that opens and closes the sensor outlet of the biosensor cartridge is opened only when discharging the biosensor. As a result, the inflow time of outside air into the biosensor cartridge can be shortened as much as possible.
- a pressing member of the sensor sending mechanism is provided so as to be able to move back and forth toward the slide member of the biosensor cartridge, and a detecting means for detecting an operation stroke of the pressing member is provided.
- the pressing member can be accurately arranged at the protruding position and the initial position where the biosensor is arranged at the predetermined test position while detecting the operation stroke of the pressing member by the detecting means.
- Detection means is provided for detecting the position of the biosensor conveyed to a predetermined test position by the sensor conveyance mechanism. As a result, the biosensor can be accurately positioned at the test position.
- the sensor sending mechanism and the sensor transport mechanism can operate independently. As a result, a highly reliable dispensing device can be configured with a simple configuration, and the operation time can be reduced.
- FIG. 1 is a perspective view of a biosensor dispensing device according to a first embodiment of the present invention
- FIG. 2 is a cross-sectional view of the biosensor dispenser of FIG. 1,
- Fig. 3 is a perspective view of the biosensor dispensed by the biosensor dispenser of Fig. 1,
- Fig. 4 shows the biosensor force loaded in the biosensor dispenser of Fig. 1.
- FIG. 5 is a partial cross-sectional view illustrating the operation of the sensor sending mechanism for discharging the biosensor from the biosensor cartridge of FIG. 4,
- FIG. 6 is a partial sectional view illustrating the operation of the sealing mechanism for sealing the biosensor cartridge of FIG. 4,
- FIG. 7 is a perspective view of the sealing mechanism of FIG. 6,
- FIG. 8 is a partial cross-sectional view illustrating the operation of an electrical conduction mechanism for electrically conducting the biosensor discharged from the biosensor cartridge of FIG. 4,
- FIG. 9 is a perspective view of the electrical conduction mechanism of FIG.
- FIG. 10A is a longitudinal sectional view of the biosensor cartridge of FIG. 4
- FIG. 10B is a perspective view of a protruding rotating member provided at a lower portion of the biosensor cartridge
- Fig. 11 is a cross-sectional view showing a set state of the biosensor in the biosensor dispensing apparatus of Fig. 1;
- Fig. 12A is a side view of a holding mechanism for holding the operating means of the biosensor dispensing device of Fig. 1
- Fig. 12B is a rear view of the holding mechanism
- Fig. 12C is a drawing of the holding mechanism. Plan view
- FIG. 13A is an external view of a biosensor dispensing device according to the second embodiment 2 of the present invention
- FIG. 13B is an internal view of the biosensor dispensing device
- FIG. 14 is a cross-sectional view of the biosensor cartridge loaded in the biosensor dispenser of FIG. 13,
- FIG. 15A is a perspective view of a seal plate provided in the biosensor cartridge of FIG. 14,
- FIG. 15B is a partial perspective view of a slider member provided in the biosensor cartridge, 03 04865
- Fig. 16-Fig. 16 is a partial sectional view illustrating the operation of the sensor delivery mechanism of the biosensor dispensing device of Fig. 13;
- FIG. 17 is a partial sectional view for explaining the operation of the sensor transport mechanism of the biosensor dispensing device of FIG.
- FIG. 18 is an evening timing chart of the biosensor dispenser of FIG. 13
- FIG. 19A is an external perspective view of a conventional biosensor dispenser
- FIG. 19B is an internal view of the biosensor dispenser
- FIG. 20A is an exploded perspective view of a sensor bottle of a conventional pyrosensor dispensing device
- FIG. 20B is a partial side view of the biosensor dispensing device.
- the biosensor dispensing device according to the first embodiment of the present invention will be described with reference to FIGS.
- This biosensor dispensing device is used, for example, for measuring blood glucose.
- the biosensor dispensing device 1 has a substantially rectangular main body 4 in which an upper main body case 2 and a lower main body case 3 are arranged to face each other.
- the biosensor cartridge 6 can be stored in the cartridge storage chamber 5 near the opening that opens to the side.
- a biosensor sending mechanism A for discharging the biosensor from the biosensor cartridge 6 and a biosensor transport mechanism B for transporting the biosensor discharged from the biosensor cartridge 6 to a predetermined test position are provided on both sides of the cartridge storage chamber 5. Have been.
- the opening of the main body 4 is opened and closed by a cartridge loading cover 7 rotatably attached around the axis of the shaft 4a.
- cartridge JP03 / 04865 1-19 On the inner surface of the loading cover 7, there are a cover hook 8 for locking the cartridge loading cover 7 to the main body 4, and a rib on the inner surface of the main body for supporting the biosensor cartridge 6 at the bottom thereof. (Not shown) is provided.
- the illustrated direction will be described as a vertical direction.
- the upper part of the main body 4 (approximately a half part near the opening) and the side part (for example, the left side in the direction where the main body upper case 2 is arranged in front as shown in the drawing)
- a sensor guide 11 for guiding the biosensor 10 to the test position is provided.
- the lower part of the main body 4 (approximately 1/2 part opposite to the opening) is dimensioned as a grip 12 for the user, and is somewhat narrower than the upper part of the main body 4.
- One end of a column-shaped actuation unit 13 for sending out the biosensor 10 protrudes from an upper side and a side part (the same left side as the sensor guide 11) of the gripping part 12.
- the printed circuit board 14 on which the signal processing circuit and the control circuit are formed, the battery electrodes 15, 16, and the battery 17 are arranged inside the gripper 12, and are disposed on the outer surface of the gripper 12. Is a display screen 18 of the liquid crystal display unit and an operation button 19 for inputting information to a circuit on the printed wiring board 14 according to the information to be displayed on the display screen 18 and the display on the display screen 18. Is arranged.
- the circuit on the printed wiring board 14 is also provided with a microprocessor (not shown) for processing, storing, and displaying the data generated during the test operation or displaying the data on the display screen 18. .
- the biosensor 10 PC so-called 3/04865
- a reagent section 21 (or a biological sensing section) containing an enzyme is provided in the vicinity of the lower layer sheet 20.
- One end of the reagent section 21 communicating with the reagent section 21 by a capillary is referred to as a spotting section 22.
- An electrode portion 23 reaching the reagent portion 21 is provided on the exposed surface of b.
- a biosensor outlet 26 is formed at a lower portion of the force-trigger case 25, and the biosensor storage chamber 27 facing the biosensor outlet 26 is formed.
- the cartridge case 25 has a cartridge upper case and a cartridge lower case arranged opposite to each other.
- the cartridge case 25 is made of a material having almost no water permeability such as PP and has a thickness of 1 mm or more. 6 waterproofness is ensured.
- a plurality of biosensors 10 are stacked inside the biosensor storage room 27, and a holding plate 28 is disposed on the stacked biosensors 10, and a holding plate 28 and a cartridge case are provided.
- a sensor pressing panel 29 is disposed between the sensor pressing panel 29 and the top surface of the sensor 25. Ribs 28a and 25a are formed on the top surfaces of the holding plate 28 and the cartridge case 25 so as to surround the sensor pressing spring 29 and to be in sliding contact with each other.
- the plate 28 is pressed by the sensor pressing panel 29, and is guided by the rib 28a and the rib 25a to press the biosensor 10 in the stacking direction.
- the position of the sensor pressing panel 29 is a position corresponding to the upper layer sheet of the biosensor 10.
- the biosensor storage chamber 27 has a sealing structure as described later, and communicates with the desiccant chamber 33 filled with the desiccant 32 at the upper end opening of the partition wall 27a. Of the biosensors 10 are kept in a dry state.
- a cylindrical protruding rotating member 34 for operating the protruding member 31 is housed.
- the protruding rotary member 34 is rotatably supported on the force cartridge case 25 at support portions protruding at both ends, and the engagement protrusion 35 formed on the lower surface of the protruding member 31 slides. It has a helical groove 36 that mateably engages.
- the support portion at one end of the protruding rotary member 34 penetrates the cartridge case 25, and has a concave drive connecting portion 37 for transmitting an external rotational drive to the protruding rotary member 34, and has a cartridge.
- a ring-shaped packing 38 for sealing the penetrating portion of the case 25 is provided.
- a third drive gear 40 having one end with a drive transmission pin 39 that can be fitted to the drive connection portion 37 of the protruding rotary member 34 is provided.
- the third driving gear 40 is biased toward the biosensor cartridge 6, and the third driving gear 40 is separated from the biosensor force cartridge 6 against the gear thrust spring 41.
- Gear slide levers 42 are arranged.
- the gear slide lever 42 protrudes from the cartridge loading cover 7. It is rotatable about the axis 42a by the protruding working projection 7a. With the cartridge loading cover 7 closed, the third drive gear 40 is approaching the biosensor cartridge 6 by the urging force of the gear thrust panel 41, and the drive transmission pin 39 is connected to the drive connection part 37. Has been done.
- a sealing roller 43 that can seal the biosensor outlet 26 is disposed.
- the sealing roller support link 44 supporting the sealing roller 43 at one end is composed of two members, and is attached at the other end to the operating actuator 13 at the other end.
- a sealing roller pressing spring 46 for applying a pressing force to the biosensor outlet 26 is disposed at 3.
- the sealing roller pressing spring 46 is a load that does not hinder operability when the biosensor cartridge 6 is mounted on the main body 4, for example, a load of 1 to 2 N (approximately 100 to 200 gf) or less.
- the sealer roller 43 has a surface with a material with low compression residual strain such as silicon rubber, NBR (nitrile rubber) or EPDM (ethylene propylene).
- An elastic material such as a copolymer or an elastomer is used, and as described above, familiarity and adhesion to the biosensor cartridge 6 made of PP or the like are ensured.
- the surface area of the cartridge case 25 including the biosensor outlet 26 is formed in a concave shape along the outer shape of the sealing port 43 so as to increase the contact area of the sealing roller 43. .
- the sealing roller support link 44 when the sealing roller support link 44 is extended, the sealing roller 43 presses against the biosensor outlet 26 due to the action of the sealing roller pressing spring 46. The biosensor outlet 26 is sealed. In this state, when the other end of the sealing roller support link 44 is moved as shown by the broken line, the sealing roller support link 44 bends, thereby causing the sealing roller 43 to move the biosensor outlet. It is separated from 26, and the biosensor 10 can be sent. In this way, when the biosensor 10 is sent out, in which the sealing roller 43 is separated from the biosensor outlet 26, the biosensor storage chamber 38 is opened to the atmosphere, but the unused biosensor 10 inside is removed. In short, they are only briefly exposed to the atmosphere and do not significantly affect dryness.
- an electrode arm 48 that can supply a voltage to the electrode section 23 of the biosensor 10 sent into the sensor guide 11 is provided near the sensor guide 11. It is mounted on the electrode arm rotation action part 49.
- the electrode arm rotation action portion 49 is attached to one end of the electrode arm rotation link 50, and the electrode arm rotation action portion is moved as the other end of the electrode arm rotation link 50 is moved. 49 rotates, causing the electrode arm 48 to move away from the biosensor 10 shown by the solid line and the biosensor 10 shown by the dashed line. It is arranged at a position where it comes into pressure contact with the electrode section 23.
- the outer surface of the force cartridge case 25 engages with the concave and convex portions 4b provided on the inner wall of the main body 4 to prevent erroneous mounting in the force cartridge storage room 5.
- An improper mounting prevention member 51 is provided.
- the inner surface of the cartridge case 25 has a sensor return rib 52 that contacts the end face of the stacked biosensor 10 and a protrusion member guide groove 53 a that guides the movement of the protrusion member 31 at the center.
- a sensor receiving rib 53 for receiving the lowermost biosensor 10 is formed.
- the gap Wb between the sensor return ribs 52 is set to be larger than the width Wc of the protrusion 31a of the protruding member 31 and smaller than the width Wa of the biosensor 10 so that the biosensor 10 There is no hindrance to the sliding movement of the protruding member 31 when protruding. Also, during the return operation in which the ejecting member 31 returns to the initial position after the ejecting operation is completed, or when the biosensor dispensing device 1 is carried, the biosensor 10 does not enter the ejecting member storage chamber 30. .
- the height H of the protruding portion 3 1 a of the protruding member 3 1 is set smaller than the thickness of one of the biosensors 10 so that one of the lowermost biosensors 10 can be reliably protruded. ing.
- the spiral groove 36 on the cylindrical surface of the protruding rotary member 34 on which the engaging projection 35 of the protruding member 31 engages is formed around the axis in a direction surrounding the axis.
- the spiral groove 36 is formed at a predetermined length in a direction perpendicular to the axis (circumferential direction), and is formed in a range of 360 degrees or more.
- the protrusion member 31 absorbs backlash, and the protrusion member 31 Is moved by a distance to be surely arranged at a predetermined position.
- the third drive gear 40 for rotating the protruding rotary member 34 is provided on the operation actuator 13 via the second drive gear 54 and the first drive gear 55.
- the protruding direction of the biosensor 10 is inverted by 180 degrees with respect to the sliding direction of the operating actuator 13, which is integrally formed with the rack section 56. This reduces the width of the device.
- the position of the protruding member 31, the lowermost biosensor 10 and the electrode arm 48 is set so as to be substantially on the same straight line, and the operation is performed from the protruding of the biosensor 10 to the setting to the test position. It will occur continuously in conjunction with the movement of Kuchiyue 13
- the electrode arm rotation link 50 for rotating the electrode arm 48 is driven by the electrode arm rotation link cam 50 starting contact with the electrode arm rotation link follower 50a from a predetermined position. It is.
- sealing roller support link 44 with the sealing roller 43 attached to one end is actuated by a sealing roller support link follower 44a at the other end. It is held at 7.
- the electrode arm rotation action part 49 to which the electrode arm 48 is attached has an electrode arm rotation spring 5 9 for rotating the electrode arm rotation action part 49 in a direction to push down the electrode arm 48.
- the sensor guide 11 is provided with a biosensor receiving rib 60 at the bottom and a resin for stopping the biosensor 10.
- a sensor detent 61 made of an elastic member such as a panel is provided obliquely downward on the top.
- the biosensor 10 sent into the sensor guide 11 slides in the axial direction until the step portion 20 passes through the sensor stopper 61 and the electrode portion 48 is pushed by the electrode arm 48. .
- the electrode arm 48 rotates around the axis of the electrode arm rotation action part 49 and pushes the electrode part 23, the biosensor 10 is pulled back.
- the biosensor return stopper 61 hits the stepped portion 20 of the biosensor 10 and stops, the biosensor 10 is surely set to a test position where its tip projects out of the main body 4 by a predetermined amount.
- the lock button 63 arranged on the outer surface of the main body 4 has an actuating device that can be engaged with the concave portion 13 a formed on the upper surface of one end of the actuating device 13.
- the fixing pin 62 is connected, and the lock button 63 is slid downward, so that the operating pin 60 can be engaged with the recess 13 a. 3 can be locked.
- a lock connecting rod 64 capable of pressing the cover hook portion 8 of the force cartridge loading cover 7 is formed in the body of the lock button 63, and by sliding the lock button 63 upward, the lock link is formed. By lifting the connecting rod 6 4 and pressing the cover hook 8, it can be engaged with the hole 4 c formed in the main body 4, thereby rotating the cartridge loading cover 7 with respect to the main body 4. It can be locked so that it does not.
- first drive gear 55 engaged with the rack portion 56 of the operating mechanism 13 rotates, and the rotation is transmitted to the second drive gear 54 and then to the third drive gear 40.
- the protruding rotary member 34 connected to the drive transmission pin 39 of the third drive gear 40 at the drive connecting portion 37 is rotated, and the protruding member 31 engaged with the protruding rotary member 34 is rotated. Ride.
- the lowermost biosensor 10 protrudes, is discharged from the biosensor outlet 26, is sent out into the sensor guide 11, and is located at the test position where the tip spot 22 is exposed to the outside. Is done.
- the biosensor 10 comes into contact with the detection switch 11 a provided on the sensor guide 11, the power of the sensor dispensing device 1 is turned on, and the sensor dispensing device 1 starts its test mode. ⁇ "Is set to C.
- the electrode arm rotation link 50 connected to the electrode arm rotation link cam 58 of the operation actuator 13 via the electrode arm rotation link follower 50a is pulled, and the electrode arm rotation operation at one end thereof is performed.
- the part 49 rotates, whereby the electrode arm 48 rotates to make electrical contact with the electrode part 23 of the biosensor 10 and to press and hold the biosensor 10.
- the biosensor dispensing device 1 is activated to its display mode as the biosensor 10 is placed at the test position.
- Information about the tests performed can be displayed on the display screen 18. According to the display on the display screen 18, information can be input to the circuit of the printed wiring board 14.
- the operating actuator 13 is attached to the side of the main body 4 so that one end protrudes, the gripping of the gripping part 12 and the operation of the operating actuator 13 are performed by ( Especially with the right hand), the visibility of the display screen 18 is not hindered.
- the moving actuator 13 is further pushed into the main body 4, the electrode arm rotating link connected via the electrode arm rotating link follower 50a to the electrode arm rotating link cam 58 of the operating mechanism 13 50 is pulled, and the electrode arm rotation action portion 49 at one end rotates, whereby the returning operation of the rotating electrode arm 48 causes the biosensor 10 to be discharged out of the main body 4. Further, the protruding member 31 returns to the initial position, and the biosensor dispensing device 1 is set to its off or standby state.
- the operation factory 13 will be described in detail.
- the rack unit 56 and the electrode formed integrally with the operating unit 13 are operated so that the biosensor 10 is set and discharged by operating the operating unit 13.
- a series of operations are output from the cam 58 for the arm rotation link and the cam 57 for the sealing roller support link.
- a latch projection 65 is formed on the operation module 13, and a latch body 66 engaging with the latch projection 65 is provided on the main body 4.
- a return spring 67 is provided to return 13 to the initial position.
- the biosensor 10 may be pinched or the like. Failure occurs. For this reason, a mechanism is provided so that even if the pushing operation of the operating actuator 13 is interrupted, the operating actuator 13 does not return to the initial position.
- a claw member 68 is provided on the operating mechanism 13 and a ratchet portion 69 capable of sliding the claw member 68 is provided on the inner wall of the upper case 2 of the main body. I have.
- the claw member 68 is pivotally supported on the operating case 13 so as to be swingable in the vertical direction approaching and separating from the inner wall of the upper case 2 and in the lateral direction along the inner wall.
- the vicinity of the portion is connected to the operating actuator 13 by a pressing panel 70, and the ratchet portion 69 urged toward the inner wall is provided as shown in FIGS. 12B and 12C.
- a serrated cam outward path 71 and a smooth cam return path 72 are formed in parallel via a cam partition 73 to communicate the end of the cam outward path 71 and the end of the cam return path 72.
- the endless camshafts 7 4 a and 7 4 b are formed.
- the tip of the claw member 68 is arranged on the serrated cam outward path 71, and is urged upward by the pressing panel 70, Slide while tracing the serrated ratchet surface. If the push-in operation of the operating actuator 13 is stopped halfway, the tip of the claw member 6 8 will be caught on the surface of the serrated cam outward path 7 1, and the operating actuator 13 will stop at that position. I do.
- the tip of the claw member 68 is located at the cam landing area 74a that turns back from the cam outward path 71 to the cam return path 72.
- the engagement between the latch body 66 and the latching projection 65 has been achieved, and the claw member 68 at the cam landing 73 is engaged with the operating actuator.
- the tip of the claw member 68 is disposed on the cam return path 72, and returns to the initial position (cam landing area 74 b) while sliding on a surface without a hook.
- a position sensor 75 that detects that the operating device 13 has returned to the initial position within a certain period of time, and 'If the position sensor 75 does not detect A buzzer 76 is provided to warn the user. This warning indicates that the sensor outlet 26 of the biosensor cartridge 6 is open while the operating device 13 is not returning to the initial position, so that the unused biosensor in the cartridge can be left unattended. 10 is performed to prevent the performance from deteriorating due to continued exposure to air.
- the position sensor 75 is provided at a position where it comes into contact with the projection 13a when the operating actuator 13 is in the initial position, and the operating actuator 13 is pushed in at the start of measurement. After the measurement is completed, the time required to return to the initial position after the measurement is measured by a timing means (not shown) inside the device based on the contact and non-contact of the position sensor 75 ⁇ projection 13 a. When the measured value exceeds the specified time, a warning is issued by the buzzer ⁇ 6. JP03 / 04865
- the biosensor dispensing device 1 of the first embodiment is relatively compact, and the user can easily carry and handle it.
- the operation factor 13 by pushing in the operation factor 13, one of the plurality of biosensors 10 in the biosensor force cartridge 6 can be reliably discharged and placed at the test position.
- unused probe 10 can be sealed in force cartridge 6.
- the used biosensor 10 can be discharged from the device by further pushing the operating actuator 13.
- the operation button 19 information on the test being performed can be given, the data generated by the biosensor 10 can be obtained, and the obtained and accumulated information can be displayed on the display screen 18 And can be provided to other analytical or computer equipment via a data port connector (not shown).
- the setting operation and the discarding operation of the biosensor 10 can be reliably performed, and the device is easy to use. It can be made thinner than conventional devices equipped with a sensor bottle.
- the biosensor dispensing device according to the second embodiment of the present invention will be described with reference to FIGS. 13 to 18.
- This biosensor dispensing device is used, for example, for measuring blood glucose.
- the biosensor dispensing device 101 has a cartridge storage chamber 104 for storing the biosensor cartridge 103 in the center of the casing 102. And the biosensor delivery mechanism 105 and the biosensor transport mechanism 1 on both sides of the power storage compartment 104 Rope 65
- a lock lever 107 for fixing the biosensor cartridge 103 is provided near the force cartridge storage room 104.
- the lock lever 107 is urged toward the cartridge storage chamber 104 by the lock lever SP 107 a.
- a control mechanism consisting of a printed wiring board on which a signal processing circuit and a control circuit for operating the biosensor sending mechanism 105, the biosensor transport mechanism 106, etc. are formed, battery electrodes, batteries, a microprocessor, and the like. 0 8 is provided.
- a sensor outlet 102a is formed, and a cutout portion 102b is formed in a portion corresponding to the force storage compartment 104.
- the pyro sensor cartridge 103 can be easily attached to and detached from the cartridge storage chamber 104 through the cutout portion 102b.
- a biosensor force / trigger detection SW 109 detecting the presence / absence of the biosensor cartridge 103, a user sends the biosensor 105, a biosensor transport mechanism 106, etc.
- a set button 110 for instructing the operation of the device and a display unit 111 for displaying information such as measurement results.
- the biosensor cartridge 103 has a sensor storage chamber 114 in which a plurality of biosensors 113 are stacked and stored inside a cartridge case 112. ing.
- it has a built-in sensor sending means 1 16 that sends out the biosensors 1 13 in the sensor storage room 1 1 4 one by one and discharges them from the sensor outlet 1 1 5 opened in the cartridge case 1 12.
- Cartridge case 1 1 The outer surface of 2 is formed with a concave mouth groove 112a in which the above-mentioned lock lever 107 is locked.
- the force cartridge case 1 1 2 has a ridge 1 1 2 b formed on opposing inner surfaces of the case, and one area sandwiching the ridge 1 1 2 is the sensor storage chamber 1 1 4.
- the partition is separated from the desiccant storage chamber 1 17 by a partition 1 18, and the other part of the sensor sending means 1 16 is arranged in the other area.
- the biosensors 113 are stacked on the ridges 112 b in the same direction, and are pressed by the holding plates 119.
- the holding plate 119 has a guide rib 120 slidingly contacting the inner surface of the cartridge case 112 and the partition wall 118, and is pressed by the panel 121 so that the inside of the biosensor storage chamber 114 is inside. Can be moved smoothly and stably.
- the biosensor 1 13 is formed by laminating a short upper sheet and a long lower sheet having one end rounded at the same end as in the case described above with reference to FIG.
- a reagent portion (containing an enzyme or a biological sensing portion) is provided in the vicinity of the one end portion, the one end portion communicating with the reagent portion by a capillary is a spotting portion for attaching a sample, and an electrode reaching the reagent portion.
- the portion is provided on the exposed surface of the lower sheet.
- the panel 121 described above is disposed on the back surface of the holding plate 1 19, on the left side of the step portion 113 a of the biosensor 113, and at a position corresponding to the upper layer sheet.
- the sensor sending means 1 16 has a slider 122 that slides along the inner surface of the cartridge case 112.
- the slider 1 2 2 has a biosensor guide 1 2 3 for sending out the biosensor 1 13, and a slider that engages the guide groove 1 1 2 c formed along the ridge 1 1 2 b.
- the rider's guides 124 are integrally formed.
- the slider 1 2 2 has a convex portion 1 2 2 a which can be fitted into the hole 1 1 2 d formed in the force cartridge case 1 1 2, while being pressed by the slider spring 1 2 5, When not applied by a protruding shaft (described later) that fits into the concave portion 122b formed in the center of the convex portion 122a, the convex portion 122a is pressed toward the hole 112d.
- the position of the slider 1 2 2 is referred to as an initial position.
- the protrusion 1 22 a has a slider seal made of an elastic material such as EPDM, NBR, or silicon that seals between the slider case 122 and the cartridge case 112 when the slider 122 is at the initial position. Ring 1 26 is installed.
- a seal plate 127 for opening and closing the sensor outlet 115 is attached to the outside of the cartridge case 112.
- the seal plate 127 is rotatable around the support shaft 127a. When the slider -122 is at the initial position, it is pushed by the seal plate panel 128 to open the sensor outlet 115. It is closed.
- the seal plate 1 27 is made of an elastic material such as EPDM, NBR, silicon, etc. which presses against the outer surface of the cartridge case 1 12 around the sensor outlet 1 15 Seal rings 1 2 9 are attached. On the outer surface of the cartridge case 112 around the sensor outlet 111, small projections 112e are formed to further enhance the sealing performance of the seal ring 129. However, the seal ring 1 29 may be attached to the cartridge case 112 side.
- the biosensor guide 1 23 formed integrally with the slider 1 22 is shaped like a step to have a slit 1 23 a. It consists of an upper guide 123 b and a lower guide 123 c formed.
- the size of the biosensor guide 1 2 3 is such that when the slider 1 1 2 2 is in the initial position, the tip of the lower guide 1 2 3 c is located near the biosensor outlet 1 15 and this lower guide 1 2 3
- the biosensor 1 13 is placed on the inner side of the tip, and the lower end of the lowermost biosensor 1 13 is the upper guide 1 2 3 b slit 1 2 3 a is the opposite dimension. For this reason, when discharging the biosensor 113, the upper guide 123b sandwiches the lower sheet of the biosensor 113 in the slit 123a and pushes it surely.
- the partitions 130 are arranged in multiple stages, so that a meandering air flow path 1 3 1 following the opening 1 18 a communicating with the biosensor storage chamber 1 14 is provided.
- the air flow path 13 1 is filled with a desiccant 13 2.
- the desiccant 132 is formed and stored in a preferable shape conforming to the shape of the desiccant storage chamber 117, that is, in a granular shape having an outer diameter corresponding to the width of the air flow path 131.
- the desiccant 1332 absorbs moisture in the cartridge case 112 to keep the individual biosensors 113 dry. Since the moisture absorption capacity of the desiccant 1 32 is usually initially high and gradually saturates, storing the desiccant 1 32 along the meandering air passage 1 3 1 enables the air passage 1 3 The drying ability can be exerted sequentially from the desiccant 13 at the inflow end to the desiccant 13 at the outflow end, and the drying ability can be effectively exerted for a long period of time. . Also, by making the desiccant 13 2 into a shape that matches the shape of the desiccant storage room 1 17, the space of the desiccant storage room 1 17 can be used effectively. In addition, handling of the desiccant 132 when assembling the biosensor cartridge 103 becomes easy.
- the biosensor cartridge 103 suitably stores the desiccant 132, and when the biosensor 113 is not discharged, the sensor outlet of the cartridge case 112 is not discharged. This seals 1 1 5 and the hole 1 1 2 d to shut off the inside of the cartridge case 1 1 2 from the outside air. Therefore, performance degradation of the biosensor 113 due to moisture can be suppressed. This effect is irrespective of whether the biosensor cartridge 103 is attached to the biosensor dispenser 101 or removed from the biosensor dispenser 101.
- FIGS. 16A and 16B show a biosensor delivery mechanism 105 for discharging the biosensor 113 from the biosensor cartridge 103.
- the biosensor delivery mechanism 105 has a sensor protruding shaft 133. And a shaft drive motor 135 for driving the sensor protrusion shaft 133 via a shaft gear 134.
- the bottom case 102a is combined with the top case to form the casing 102.
- the sensor protruding shaft 13 3 has a spiral groove 13 3 a formed on the outer peripheral surface so as to surround its axis, and a recess 1 of the slider 1 2 2 in the biosensor force cartridge 103.
- Shafted gear 1 3 having a tapered tip 1 3 3 b that fits into 2 2 b and having a pin 1 3 4 a slidably engaged with the spiral groove 1 3 3 a It is communicated to 4.
- the shaft drive module 1 3 5 is a motor gear mounted on its shaft.
- the shaft gear 13 4 When the shaft gear 13 4 is engaged with the shaft gear 13 4 at a 13 5 a, the shaft 13 3 3 protrudes and retracts by rotating the shaft gear 13 4 forward and reverse, and slides the slider 1 1 2 2 .
- a shaft regulating knob 1336 having a regulating rib 1336a and a shielding rib 1336b is attached to the rear end of the sensor projecting shaft 1333.
- the restricting rib guide 13 7 is arranged opposite to the bottom case 10 2 a and the top case so that the restricting rib 13 6 a can be sandwiched between them. Guide the time.
- Each of the position detection sensors 1 3 8 and 1 3 9 has a light emitting photo sensor and a light receiving photo sensor arranged inside a slit through which the shielding rib 1 36 b can pass.
- the shielding ribs 13 36 b of the sensor protruding shafts 13 3 are located at a distance from each other. Detects the projecting position that has entered the detection sensor 13 9.
- FIGS. 17A and 17B show a transport mechanism 106 that transports the biosensor 113 discharged from the biosensor cartridge 103 to a predetermined test position.
- the transport mechanism 106 is composed of transport rollers 140 and 141 for transporting the biosensor 113 and these transport ports 140 and 141 as a reduction gear 14 having a two-stage gear structure. And a transfer motor 1 4 3 that rotates through 2.
- the transport motor 144 is engaged with the worm wheel portion 142 a of the reduction gear 142 at the worm 144 a.
- the transport roller 140 is made of an elastic material, is attached to the transport roller shaft 140b together with the transport port 1 gear 140a that meshes with the reduction gear 142, and is disposed in the vicinity of the sensor discharge port 115, and is transported.
- Rotated by the motor 143 and the reduction gear 1 42 the biosensor 1 13 discharged from the sensor discharge port 1 15 is replaced with the biosensor guide 1 2 3 of the slider pressed by the seal plate 127. Between and send it out.
- the transport roller 141 is made of an elastic material, is attached to the transport roller shaft 141 b together with the transport roller gear 141 a that meshes with the reduction gear 142, and is disposed near the transport roller 140.
- a driven roller 144 attached to a driven roller shaft 144a is pressed against the transfer roller 141 by a driven roller pressing panel 144b. For this reason, the transport roller 141 is rotated by the transport motor 143 and the reduction gear 142 to pinch the Pyo sensor 113 sent out by the transport roller 140 with the driven port roller 144 and send it out.
- a biosensor detection SW 145 for detecting the position of the biosensor 113 is provided in the middle of the conveyance path from the conveyance port 140 to the conveyance roller 141.
- the biosensor detection SW 145 has a rotatable detection knob 145a, and switches between when the biosensor 113 starts sliding on the detection knob 145a and when the sliding ends.
- An electrode arm 146 that contacts an electrode portion of the biosensor 113 to transmit an electric signal to an electric circuit is also provided in the middle of the transport path.
- the sensor protrusion shaft 133 is stopped at the home position, and does not affect the attachment / detachment of the biosensor cartridge 103.
- the lock lever 107 enters the cartridge case 112's mouth groove 112a to lock the biosensor cartridge 103.
- the biosensor cartridge detection SW 109 detects that the biosensor cartridge 103 is present, and the measurement operation can be performed.
- the shaft drive motor 1 3 5 rotates counterclockwise as viewed from the output shaft, rotates the shaft gear 1 3 4 clockwise, and extends the sensor shaft 1 3 3 with the biosensor. Advance toward cartridge 103.
- the sensor protruding shaft 1 3 3 piles the slider 1 2 2 on the slider spring 1 2 5 and slides it, and the sensor lower guide 1 2 3 c integrated with the slider 1 2 2 moves the seal plate 1 2 7 Press to open the biosensor outlet 1 15 and the guide 1 2 3 b on the sensor presses the biosensor 1 13 and protrudes out of the biosensor outlet 1 15.
- This protruding position is the position where the tip of the biosensor 1 13 protruded out of the biosensor discharge port 1 15 by the sensor protruding shaft 1 3 3 and slider 1 2 2 overlaps with the transport roller 1 40. Is set to So Therefore, the protruding biosensor 1 1 3 is placed on the lower guide 1 2 3 c, and the seal roller 1 2 7 pressed by the seal plate spring 1 2 8 Sandwiched between.
- the transport module 144 With the stop of the shaft drive module 135, the transport module 144 is started, the reduction gear 142 rotates counterclockwise, and the transport roller 140 and the transport roller 141 rotate clockwise. And transport the biosensor 113.
- the transfer mode 1 4 3 can be started at the start of the shaft drive mode 1 3 5 or after a slight time delay.
- the transport motor 143 is stopped.
- the biosensor 113 is sandwiched between the transport roller 141 and the driven roller 144, and a predetermined test is performed in which the tip spot is exposed from the sensor outlet 102a of the casing 102. Placed in the position.
- the electrode arm 146 electrically contacts the electrode pattern of the biosensor 113, so that measurement can be performed.
- the slider 1 1 2 2 pressed by the sensor protrusion shaft 1 3 3 is returned to the initial position by the slider spring 1 2 5, and the slider seal ring 1 2 6 is the slider. Seal between 1 and 2.
- seal plate 1 2 pressed by the slider 1 2 2 7 is rotated by the seal plate spring 1 2 8 to close the sensor outlet 1 1 5, and the seal ring 1 2 9 attached to the seal plate 1 2 7 has the seal plate 1 2 7 and the cartridge case 1 1 2 Seal the gap.
- the transport motor 144 When the set button 110 is turned on again after the measurement is completed, the transport motor 144 is started, and the reduction gear 144 is rotated counterclockwise, whereby the transport roller 141 rotates clockwise. Then, the biosensor 113 sandwiched between the driven roller 144 and the driven roller 144 is further conveyed and discharged to the outside of the casing 102.
- the biosensor dispensing device 101 of the second embodiment is configured such that the biosensor cartridge storage chamber 104, the biosensor sending mechanism 105, and the biosensor transport mechanism 106 are linearly connected. It has a simple configuration, is relatively compact, and can be easily carried and handled by users.
- the biosensors 113 can be set one by one at the test position by a simple operation, and can be discharged out of the apparatus after the test is completed.
- the information can be displayed on the display unit 111 or given to other analytical or computer equipment via a data port connector (not shown).
- the biosensor force cartridge 103 is a compact storage of many biosensors 1 13 together with a desiccant 13 2 etc., and secures the sealability independently, which is highly reliable and easy to handle. Yes, it is possible to reduce the thickness.
- the setting operation and the discarding operation of the biosensor 10 can be reliably performed, and the device is easy to use. It can be made thinner than conventional devices equipped with a sensor bottle.
- the biosensor dispensing device 1, 101 can be used for testing any kind of fluid that can be analyzed using a reagent material department, in addition to the blood glucose test described above.
- the biosensor cartridge of the present invention is a type in which the biosensors are stacked, the biosensor cartridge can be compact while accommodating many biosensors, and is easy to handle.
- the biosensor cartridge can be compact while accommodating many biosensors, and is easy to handle.
- because of its high sealing performance and moisture-proof effect even if it takes a certain number of days for the biosensor to be completely consumed, its performance is not easily degraded and its reliability is high.
- the biosensor dispensing device of the present invention is equipped with a biosensor cartridge, and in cooperation with the biosensor cartridge, sets the biosensors one by one by a simple operation so that the test can be performed. End After the completion of the process, it can be discharged out of the apparatus. It can be made thinner and smaller according to the biosensor cartridge.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/510,917 US7585464B2 (en) | 2002-04-19 | 2003-04-16 | Biosensor cartridge and biosensor dispensing device |
EP03717607.0A EP1500925B1 (en) | 2002-04-19 | 2003-04-16 | Biosensor cartridge |
US12/458,819 US8052943B2 (en) | 2002-04-19 | 2009-07-23 | Biosensor cartridge |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-116902 | 2002-04-19 | ||
JP2002116902 | 2002-04-19 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10510917 A-371-Of-International | 2003-04-16 | ||
US12/458,819 Division US8052943B2 (en) | 2002-04-19 | 2009-07-23 | Biosensor cartridge |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003089917A1 true WO2003089917A1 (fr) | 2003-10-30 |
Family
ID=29243473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/004865 WO2003089917A1 (fr) | 2002-04-19 | 2003-04-16 | Cartouche de biocapteurs et dispositif distributeur de biocapteurs |
Country Status (4)
Country | Link |
---|---|
US (2) | US7585464B2 (ja) |
EP (1) | EP1500925B1 (ja) |
CN (2) | CN100430720C (ja) |
WO (1) | WO2003089917A1 (ja) |
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EP1806588A1 (en) * | 2004-10-29 | 2007-07-11 | Arkray, Inc. | Analyzer, cartridge, and analysis kit |
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Also Published As
Publication number | Publication date |
---|---|
EP1500925A1 (en) | 2005-01-26 |
CN101173920A (zh) | 2008-05-07 |
CN100430720C (zh) | 2008-11-05 |
CN1646899A (zh) | 2005-07-27 |
CN101173920B (zh) | 2012-04-18 |
US20050145491A1 (en) | 2005-07-07 |
EP1500925A4 (en) | 2012-07-11 |
US20100096403A1 (en) | 2010-04-22 |
EP1500925B1 (en) | 2014-01-15 |
US7585464B2 (en) | 2009-09-08 |
US8052943B2 (en) | 2011-11-08 |
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