CA2006621A1 - Device for checking the tension of a suture during a surgical procedure - Google Patents
Device for checking the tension of a suture during a surgical procedureInfo
- Publication number
- CA2006621A1 CA2006621A1 CA002006621A CA2006621A CA2006621A1 CA 2006621 A1 CA2006621 A1 CA 2006621A1 CA 002006621 A CA002006621 A CA 002006621A CA 2006621 A CA2006621 A CA 2006621A CA 2006621 A1 CA2006621 A1 CA 2006621A1
- Authority
- CA
- Canada
- Prior art keywords
- suture
- tension
- gripping
- gripping device
- forceps
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B2017/0496—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials for tensioning sutures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
ABSTRACT
The invention concerns a device to check the tension of a suture during a surgical operation.
A forceps (2, 2') comprises two jaws which can pivot on one another, around a axis (Y-Y) to tighten a suture, and it can pivot around another axis, almost perpendicular to the first. A spring (15), whose force can be adjusted, main-tains it in one position (2) in which in can be used as a conventional forceps, but if the pulling force applied to the suture exceeds a predetermined limit in a defined direc-tion (21), the forceps pivots, and this visualizes the excess.
According to another design, a piezoelectric element or a stress gauge is used to emit an information signal when the selected limit tension is exceeded.
The invention concerns a device to check the tension of a suture during a surgical operation.
A forceps (2, 2') comprises two jaws which can pivot on one another, around a axis (Y-Y) to tighten a suture, and it can pivot around another axis, almost perpendicular to the first. A spring (15), whose force can be adjusted, main-tains it in one position (2) in which in can be used as a conventional forceps, but if the pulling force applied to the suture exceeds a predetermined limit in a defined direc-tion (21), the forceps pivots, and this visualizes the excess.
According to another design, a piezoelectric element or a stress gauge is used to emit an information signal when the selected limit tension is exceeded.
Description
Device To Check The Tension Of A Suture ~
~urin-~7 A Sur~ical Operation The present invention concerns a device to check the tension of a suture during a surgical operation.
The tension must not significantly differ from one su-ture to another, but this does not mean that it must remain constant, it may vary, for example between the extremities and the central zone of the suture line. Furthermore, the tension must be appropriate for the type of tissue concerned and the stress to which it is subjected. In practice, su-turing depends primarily on the surgeon's dexterity, and re-quires great precision on his part in evaluating the force and execution of gestures.
The object of the present invention is to check the tension of each suture in order to achieve as even a tension as possible throughout the sutures in view of obtaining the most "natural" wound closure, to promote wound healing and to minimize postoperative complications arising from uneven tension due to excessive tightening or slack such as: astyg-matism, embolism, oozing of wounds, etc.
Document EP-A-0115624 describes a device designed to measure the tension of skin fragments during surgery, but it has proven unsuitable for the practical checking of suture tension during an operation.
The present invention is designed to supply a device utilizable by the surgeon during an operation, and which also allows him to handle the suture before actually checking the tension.
To achieve this result, the invention consists in a de-vice to check the tension of a suture during a surgical op-eration, comprising a body, a gripping device to catch hold of the suture, means to actuate the gripping device, and means to signal that the stress, resulting from the dis-placement of the body by the surgeon and the resistance op-posed to such displacement by the tension of the suture held in the grlpping device, exceeds a predetermined level, char-acterized by the fact that the gripping device is mounted on a pivot with respect to the body and that a elastic return means prevents the gripping device from pivoting provided the suture tension does not exceed a predetermined level.
An advantage is that the gripping device can only pivot in one direction, and that pivoting in the other direction is prevented by a stop.
Preferably, the gripping device is a forceps comprising two jaws which can pivot one on the other around an axis which is almost perpendicular to the pivoting axis of the gripping device with respect to the body.
Preferably also, the elastic return means consists in a traction spring or enclosure filled with gaz and closed by a mobile plunger, the force of this elastic return means can be adjusted and the means itself is connected to the grip-ping means by an connecting device resting on the said grip-ping device at a point distant from the pivoting axis with respect to the body.
~ ccordin~ to another design, the gripping device is al-most fixed with respect to the body, and the means sig-nalling that the stress exceeds the predetermined level con-sists in a piezo-electric element or a stress gauge element, and means to emit an information signal in response to sig-nals emitted by this element.
These two designs have in common the fact that certain movements are possible, and notably traction along the axis of the body, without causing the relative displacement of the gripping device with respect to the body.
The invention will now be described in greater detail using a practical, non-exhaustive, example, illustrated with drawings, among which:
Figure 1 is a side view of a device according to the invention, and Figure 2 is a side view, taken at 90 with respect to the orientation of figure 1, and a partial section, of the same device.
The illustrated device comprises a tubular body 1, of suitable dimensions for correct gripping by the surgeon. At one of its extremities is attached a forceps 2, consisting of a single piece cut to make two jaws 3, 4, connected by a relatively flexible part 5, equivalent to a Y-Y axis articu-lation. Extremities 6, 7 of the jaws, are classically, shaped to allow correct gripping of a suture.
The forceps 2 is mounted on the body 1 by two pivots 8, 9, perpendicular to the axis of the body 1, and extending one another. One of the pivots 8 is fixed, the other, 9, can slide in a bore on the body 9, by the action of a lever 10. The position of the X-X axis of pivots 8, 9 is located between the flexible part 5 of the forceps and extremities 6, 7 of the jaws, such that actuating lever 10 tightens the jaws 3, 4, and grips a suture between 6,7, if a suture is present.
The opposite end of the body l bears a milled knob ll, which is part of a screw system 12, which can be displaced axially with respect to the body 1. A graduated scale 13 allows the position of the screw system 12 to be precisely adjusted.
If one now considers figure 2, one can see that the forceps 2 is shown in one position, in which it is approxi-mately situated along the Z-Z axis of the body 1, and in a second position, in which it is at a distance from this axis, with pivoting occurring around the X-X axis of figure 1, which passes through pivots 8 and 9. A flexible cable 14 is connected to the screw system 12 through a traction spring 15. It is also attached to forceps 2 by an anchoring point 16, off the axis with respect to pivot 8. The outside surface of the forceps comprises a raised part 17, with an arc-shaped edge on which rests a cable 14. In the resting position, shown in solid lines, in which forceps 2 lies along the axis of the body 1, the cable 14 maintains the forces pressed against a stop 18, formed by the edge of the opening made in the wall of the body 1.
In the position showed in broken lines, in which the forceps lie in position 24, they press against another stop 19, consisting in the edge of another opening made in the wall of the body. The angle formed by the two limit posi-tions 2, 2' of the forceps is approximately 45 . The limit position 2' corresponds to a frank excess beyond the r~turn force of spring 15, exerted by cable 14. In this position, the anchoring point of cable 14 moves to 16', but because of the arc-shape of the circle of prominence 17, the point of application of the force of spring 15 is almost at the same distance from the X-X pivoting axis.
The operating procedure is easy to imagine: before op-erating, the surgeon adjusts the return force of spring 15 using the milled piece 11, i.e. he adjust the maximum ten-sion of the suture according to the planned operation. He can then use his forceps as a conventional forceps-needle holder, provided the traction on the suture is exerted along the direction indicated by arrow 20, i.e., towards the left of figure 2. If he wants to check the tension of the su-ture, all he need do is pull on the suture in the direction indicated by arrow 21, i.e. towards the right of figure 2.
If the tension of this suture is excessive, the forceps will flex and will tend to change from position 2 to position 2';
this is readily observable, even under a microscope, if mi-crosurgery is being performed. If the surgeon turns the de-vice in his hand halfway around the Z-Z axis of the body, --- S ~
the traction to check the suture will occur in the sa~e di-rection as the direction of suturing.
~urin-~7 A Sur~ical Operation The present invention concerns a device to check the tension of a suture during a surgical operation.
The tension must not significantly differ from one su-ture to another, but this does not mean that it must remain constant, it may vary, for example between the extremities and the central zone of the suture line. Furthermore, the tension must be appropriate for the type of tissue concerned and the stress to which it is subjected. In practice, su-turing depends primarily on the surgeon's dexterity, and re-quires great precision on his part in evaluating the force and execution of gestures.
The object of the present invention is to check the tension of each suture in order to achieve as even a tension as possible throughout the sutures in view of obtaining the most "natural" wound closure, to promote wound healing and to minimize postoperative complications arising from uneven tension due to excessive tightening or slack such as: astyg-matism, embolism, oozing of wounds, etc.
Document EP-A-0115624 describes a device designed to measure the tension of skin fragments during surgery, but it has proven unsuitable for the practical checking of suture tension during an operation.
The present invention is designed to supply a device utilizable by the surgeon during an operation, and which also allows him to handle the suture before actually checking the tension.
To achieve this result, the invention consists in a de-vice to check the tension of a suture during a surgical op-eration, comprising a body, a gripping device to catch hold of the suture, means to actuate the gripping device, and means to signal that the stress, resulting from the dis-placement of the body by the surgeon and the resistance op-posed to such displacement by the tension of the suture held in the grlpping device, exceeds a predetermined level, char-acterized by the fact that the gripping device is mounted on a pivot with respect to the body and that a elastic return means prevents the gripping device from pivoting provided the suture tension does not exceed a predetermined level.
An advantage is that the gripping device can only pivot in one direction, and that pivoting in the other direction is prevented by a stop.
Preferably, the gripping device is a forceps comprising two jaws which can pivot one on the other around an axis which is almost perpendicular to the pivoting axis of the gripping device with respect to the body.
Preferably also, the elastic return means consists in a traction spring or enclosure filled with gaz and closed by a mobile plunger, the force of this elastic return means can be adjusted and the means itself is connected to the grip-ping means by an connecting device resting on the said grip-ping device at a point distant from the pivoting axis with respect to the body.
~ ccordin~ to another design, the gripping device is al-most fixed with respect to the body, and the means sig-nalling that the stress exceeds the predetermined level con-sists in a piezo-electric element or a stress gauge element, and means to emit an information signal in response to sig-nals emitted by this element.
These two designs have in common the fact that certain movements are possible, and notably traction along the axis of the body, without causing the relative displacement of the gripping device with respect to the body.
The invention will now be described in greater detail using a practical, non-exhaustive, example, illustrated with drawings, among which:
Figure 1 is a side view of a device according to the invention, and Figure 2 is a side view, taken at 90 with respect to the orientation of figure 1, and a partial section, of the same device.
The illustrated device comprises a tubular body 1, of suitable dimensions for correct gripping by the surgeon. At one of its extremities is attached a forceps 2, consisting of a single piece cut to make two jaws 3, 4, connected by a relatively flexible part 5, equivalent to a Y-Y axis articu-lation. Extremities 6, 7 of the jaws, are classically, shaped to allow correct gripping of a suture.
The forceps 2 is mounted on the body 1 by two pivots 8, 9, perpendicular to the axis of the body 1, and extending one another. One of the pivots 8 is fixed, the other, 9, can slide in a bore on the body 9, by the action of a lever 10. The position of the X-X axis of pivots 8, 9 is located between the flexible part 5 of the forceps and extremities 6, 7 of the jaws, such that actuating lever 10 tightens the jaws 3, 4, and grips a suture between 6,7, if a suture is present.
The opposite end of the body l bears a milled knob ll, which is part of a screw system 12, which can be displaced axially with respect to the body 1. A graduated scale 13 allows the position of the screw system 12 to be precisely adjusted.
If one now considers figure 2, one can see that the forceps 2 is shown in one position, in which it is approxi-mately situated along the Z-Z axis of the body 1, and in a second position, in which it is at a distance from this axis, with pivoting occurring around the X-X axis of figure 1, which passes through pivots 8 and 9. A flexible cable 14 is connected to the screw system 12 through a traction spring 15. It is also attached to forceps 2 by an anchoring point 16, off the axis with respect to pivot 8. The outside surface of the forceps comprises a raised part 17, with an arc-shaped edge on which rests a cable 14. In the resting position, shown in solid lines, in which forceps 2 lies along the axis of the body 1, the cable 14 maintains the forces pressed against a stop 18, formed by the edge of the opening made in the wall of the body 1.
In the position showed in broken lines, in which the forceps lie in position 24, they press against another stop 19, consisting in the edge of another opening made in the wall of the body. The angle formed by the two limit posi-tions 2, 2' of the forceps is approximately 45 . The limit position 2' corresponds to a frank excess beyond the r~turn force of spring 15, exerted by cable 14. In this position, the anchoring point of cable 14 moves to 16', but because of the arc-shape of the circle of prominence 17, the point of application of the force of spring 15 is almost at the same distance from the X-X pivoting axis.
The operating procedure is easy to imagine: before op-erating, the surgeon adjusts the return force of spring 15 using the milled piece 11, i.e. he adjust the maximum ten-sion of the suture according to the planned operation. He can then use his forceps as a conventional forceps-needle holder, provided the traction on the suture is exerted along the direction indicated by arrow 20, i.e., towards the left of figure 2. If he wants to check the tension of the su-ture, all he need do is pull on the suture in the direction indicated by arrow 21, i.e. towards the right of figure 2.
If the tension of this suture is excessive, the forceps will flex and will tend to change from position 2 to position 2';
this is readily observable, even under a microscope, if mi-crosurgery is being performed. If the surgeon turns the de-vice in his hand halfway around the Z-Z axis of the body, --- S ~
the traction to check the suture will occur in the sa~e di-rection as the direction of suturing.
Claims (4)
1. Device to check the tension of a suture during a surgical operation, comprising a body (1), a gripping device (2, 3,4) appropriate for gripping a suture, means (9, 10) to actuate the gripping device, and a mean to signal that the stress resulting from the displacement of the body by the surgeon and the resistance opposed to this displacement by the tension of the suture held by the gripping device, ex-ceeds a predetermined level;
characterized by the fact that the gripping device is mounted such that it pivots with respect to the body, and that an elastic return means prevents the gripping device from pivoting provided the tension of the suture does not exceed a predetermined level.
characterized by the fact that the gripping device is mounted such that it pivots with respect to the body, and that an elastic return means prevents the gripping device from pivoting provided the tension of the suture does not exceed a predetermined level.
2. Device according to claim 1, characterized by the fact that the gripping means is a forceps (2) comprising two jaws (3, 4) which can pivot on one another around an axis (Y-Y) almost perpendicular to the pivoting axis (X-X) of the gripping means with respect to the body.
3. Device according to claim 1 characterized by the fact that the elastic return means consists in a trac-tion spring (15) or an enclosure filled with gaz and closed by a mobile plunger, the force of this elastic return being adjustable and connected to the gripping device by a con-necting piece (14) resting on the said gripping device on point 16 distant from its pivoting axis (X-X) with respect to the body.
4. Device to check the tension of a suture during a surgical operation, comprising a body (1), a gripping device (2, 3, 4) appropriate for gripping the suture, of means (9, 10) to activate the gripping device, and a mean to signal that the stress, which results from the displacement of the body by the surgeon and from the resistance opposed to this displacement by the tension of the suture held by the grip-ping device, exceeds a predetermined level, characterized by the fact that the gripping device is almost fixed with re-spect to the body, and that the mean to signal that the stress exceeds the predetermined level includes a piezoelec-tric element, or a stress gauge element, and the means to emit an information signal in response to the signals emit-ted by this element.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8817180A FR2640870A1 (en) | 1988-12-26 | 1988-12-26 | |
| FR8817180 | 1988-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2006621A1 true CA2006621A1 (en) | 1990-06-26 |
Family
ID=9373417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002006621A Abandoned CA2006621A1 (en) | 1988-12-26 | 1989-12-22 | Device for checking the tension of a suture during a surgical procedure |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5035701A (en) |
| JP (1) | JPH02274239A (en) |
| CA (1) | CA2006621A1 (en) |
| FR (1) | FR2640870A1 (en) |
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| US9370350B2 (en) | 2011-11-10 | 2016-06-21 | Biomet Sports Medicine, Llc | Apparatus for coupling soft tissue to a bone |
| US20130304096A1 (en) * | 2012-05-02 | 2013-11-14 | The Johns Hopkins University | Fascial closure suture device |
| US9757119B2 (en) | 2013-03-08 | 2017-09-12 | Biomet Sports Medicine, Llc | Visual aid for identifying suture limbs arthroscopically |
| US9918827B2 (en) | 2013-03-14 | 2018-03-20 | Biomet Sports Medicine, Llc | Scaffold for spring ligament repair |
| US10136886B2 (en) | 2013-12-20 | 2018-11-27 | Biomet Sports Medicine, Llc | Knotless soft tissue devices and techniques |
| US9615822B2 (en) | 2014-05-30 | 2017-04-11 | Biomet Sports Medicine, Llc | Insertion tools and method for soft anchor |
| US9700291B2 (en) | 2014-06-03 | 2017-07-11 | Biomet Sports Medicine, Llc | Capsule retractor |
| US10039543B2 (en) | 2014-08-22 | 2018-08-07 | Biomet Sports Medicine, Llc | Non-sliding soft anchor |
| US9955980B2 (en) | 2015-02-24 | 2018-05-01 | Biomet Sports Medicine, Llc | Anatomic soft tissue repair |
| US9974534B2 (en) | 2015-03-31 | 2018-05-22 | Biomet Sports Medicine, Llc | Suture anchor with soft anchor of electrospun fibers |
| US20180008286A1 (en) | 2016-07-05 | 2018-01-11 | Mortise Medical, LLC | Noncircular broach and methods of use |
| US10695048B2 (en) | 2017-03-05 | 2020-06-30 | Ryan Dean | Slack removal in suture constructs for tissue repair |
| CN108378928A (en) * | 2018-04-02 | 2018-08-10 | 贾献磊 | A kind of outer pulling device of quantifiable skin soft tissue and its application method |
| CA3147413A1 (en) | 2019-07-15 | 2021-01-21 | Ancora Heart, Inc. | Devices and methods for tether cutting |
| CN111766008B (en) * | 2020-05-18 | 2021-10-15 | 宁波创导三维医疗科技有限公司 | Suture tension measuring device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR10678E (en) * | 1906-10-27 | 1909-08-25 | Maurice Georges Heitz Boyer | Aseptic thread holder needle for surgical ligatures and sutures |
| US2414746A (en) * | 1944-07-29 | 1947-01-21 | Singer Mfg Co | Suture protecting and tensioning means for surgical stitching instruments |
| US3802438A (en) * | 1972-03-31 | 1974-04-09 | Technibiotics | Surgical instrument |
| US3959960A (en) * | 1975-03-12 | 1976-06-01 | Santos Manuel V | Tensioning, twisting and cutting device for sutures |
| EP0115624A3 (en) * | 1983-01-07 | 1985-05-29 | Gundolf Dr. Breger | Skin transplant tension measuring apparatus |
| EP0280572A1 (en) * | 1987-02-27 | 1988-08-31 | Synthes Ag Chur | Tension isometer |
| US4927428A (en) * | 1988-10-07 | 1990-05-22 | Ophthalmic Ventures Limited Partnership | Surgical suturing system and probe assembly |
| US4935027A (en) * | 1989-08-21 | 1990-06-19 | Inbae Yoon | Surgical suture instrument with remotely controllable suture material advancement |
-
1988
- 1988-12-26 FR FR8817180A patent/FR2640870A1/fr not_active Withdrawn
-
1989
- 1989-12-15 US US07/451,307 patent/US5035701A/en not_active Expired - Fee Related
- 1989-12-22 CA CA002006621A patent/CA2006621A1/en not_active Abandoned
- 1989-12-26 JP JP1338014A patent/JPH02274239A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2640870A1 (en) | 1990-06-29 |
| US5035701A (en) | 1991-07-30 |
| JPH02274239A (en) | 1990-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |