CA2590937A1 - Cranial flap clamp instrument - Google Patents
Cranial flap clamp instrument Download PDFInfo
- Publication number
- CA2590937A1 CA2590937A1 CA002590937A CA2590937A CA2590937A1 CA 2590937 A1 CA2590937 A1 CA 2590937A1 CA 002590937 A CA002590937 A CA 002590937A CA 2590937 A CA2590937 A CA 2590937A CA 2590937 A1 CA2590937 A1 CA 2590937A1
- Authority
- CA
- Canada
- Prior art keywords
- tension
- arm
- handle
- clamp
- clamping
- 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.)
- Granted
Links
- 210000003625 skull Anatomy 0.000 claims abstract 7
- 238000002788 crimping Methods 0.000 claims abstract 5
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 5
- 238000009434 installation Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8869—Tensioning devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/688—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for reattaching pieces of the skull
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8863—Apparatus for shaping or cutting osteosynthesis equipment by medical personnel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00004—(bio)absorbable, (bio)resorbable, resorptive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00862—Material properties elastic or resilient
-
- 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
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
- A61B2090/037—Automatic limiting or abutting means, e.g. for safety with a frangible part, e.g. by reduced diameter
-
- 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
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
Abstract
The disclosed cranial flap clamp includes first and second clamping members and an extension member. A portion of the first member is positionable against inferior surfaces of a bone flap and skull and a portion of the second member is positionable against superior surfaces of the flap and skull. The extension member extends from the first member through the second member and fits between the flap and skull. Movement of either of the clamping members urges the inner surface of the first member against the inferior surfaces of the flap and skull and urges the inner surface of the second member against the superior surfaces of the flap and skull. The securing instrument includes features useful in cutting or crimping the extension member. The tension limiting assembly provides variable designs and combinations for limiting the tension placed on, and exerted by, the securing instrument during use.
Claims (25)
1. A securing instrument for a cranial flap clamp comprising:
first and second handles pivotally associated with each other;
a gripping arm, and a tensioning arm, the gripping arm operatively associated with the first handle and the tensioning arm operatively associated with the second handle; the gripping and tensioning arms being movable in response to movement of the first and second handles;
the gripping and tensioning arms each further having proximal and distal portions, the distal portions having a recess extending therethrough for receiving an extension member of the cranial flap clamp;
a clamping assembly operatively associated with the recess and having an inactive configuration in which the clamping assembly allows the extension member to slide in the recess, and an active configuration in which the assembly fixes the extension member in the recess;
a crimping element operatively associated with at least one of the gripping and tensioning arms for crimping the extension member, the crimping element further having first and second crimping members; and a tension limiting assembly, comprising an extendable tension element having first and second ends, the first end releasably attachable to the first handle at a first location and the second end releasably attachable to the gripping arm, wherein the first handle and the gripping arm are connected at a pivot joint;
wherein squeezing the first and second handles together configures the clamping assembly to the active configuration.
first and second handles pivotally associated with each other;
a gripping arm, and a tensioning arm, the gripping arm operatively associated with the first handle and the tensioning arm operatively associated with the second handle; the gripping and tensioning arms being movable in response to movement of the first and second handles;
the gripping and tensioning arms each further having proximal and distal portions, the distal portions having a recess extending therethrough for receiving an extension member of the cranial flap clamp;
a clamping assembly operatively associated with the recess and having an inactive configuration in which the clamping assembly allows the extension member to slide in the recess, and an active configuration in which the assembly fixes the extension member in the recess;
a crimping element operatively associated with at least one of the gripping and tensioning arms for crimping the extension member, the crimping element further having first and second crimping members; and a tension limiting assembly, comprising an extendable tension element having first and second ends, the first end releasably attachable to the first handle at a first location and the second end releasably attachable to the gripping arm, wherein the first handle and the gripping arm are connected at a pivot joint;
wherein squeezing the first and second handles together configures the clamping assembly to the active configuration.
2. The securing instrument of claim 1, wherein the first and second ends of the extensible tension element engage the first handle and the gripping arm to allow the handle and arm to pivot with respect to each other in a first direction and to resist pivoting in the opposite direction.
3. The securing instrument of claim 2, wherein the tension element resists pivoting of the handle and arm in the first direction until about 15 newtons (N) is applied to the distal portion of the gripping arm via the handles.
4. The securing instrument of claim 3, wherein when a force greater than about is applied via the handles to the distal portion of the gripping arm, the tension element stretches to allow the handle and arm to pivot in the first direction.
5. The securing instrument of claim 4, wherein after the handle and arm pivot in the first direction, further force applied via the handles to the distal portion of the gripping arm causes the tension element to stretch, with substantially no additional force transmitted to the cranial flap clamp.
6. The securing instrument of claim 1, wherein the tension element comprises a nitinol wire having a diameter of from about 0.25 mm to about 2.5 mm.
7. The securing instrument of claim 6, wherein the nitinol wire has a maximum strain of about 5% to about 11% before rupture.
8. The securing instrument of claim 1, wherein at least one of the first and second ends of the tension element comprises a ball end.
9. The securing instrument of claim 1, wherein at least one of the first and second ends of the tension element comprises a pin end.
10. The securing instrument of claim 1, further comprising a second tension element having first and a second ends, each end having an attachment element, wherein the first end is attachable at the first handle and the second end is attachable to the gripping arm.
11. The securing instrument of claim 10, wherein at least one tension element comprises a nitinol wire.
12. The securing instrument of claim 10, wherein the first and second tension elements have substantially different compositions.
13. The securing instrument of claim 10, wherein the first and second tension wires have substantially different tensile strengths.
14. The securing instrument of claim 10, wherein the first and second tension wires have substantially different cross-section diameters.
15. The securing instrument of claim 1, wherein the tension limiting assembly comprising a cantilever beam, wherein the cantilever beam is releasably attachable to the gripping arm.
16. The securing instrument of claim 15, wherein the cantilever beam is substantially curved.
17. The securing instrument of claim 15, wherein the cantilever beam is comprised of stainless steel.
18. A kit for use with a cranial flap clamp, comprising:
the securing instrument of claim 1;
a plurality of tension elements, at least one tension element having a first and second end, the first end having an attachment element for engaging the first arm and the second end having an attachment element for engaging the gripping arm;
wherein at least two of the plurality of tension elements have force/strain ratios that are substantially unequal.
the securing instrument of claim 1;
a plurality of tension elements, at least one tension element having a first and second end, the first end having an attachment element for engaging the first arm and the second end having an attachment element for engaging the gripping arm;
wherein at least two of the plurality of tension elements have force/strain ratios that are substantially unequal.
19. The kit of claim 18, wherein at least one tension element comprises a nitinol wire.
20. The kit of claim 18, wherein at least two of the plurality of tension elements are comprised of substantially the same material.
21. The kit of claim 18, wherein at least one of the plurality of tension elements comprises a nitinol wire and a second of the plurality of tension elements comprises a constant-force spring.
22. The kit of claim 18, wherein at least two of the plurality of tension elements have substantially different tensile strengths.
23. The kit of claim 18, wherein at least one of the plurality of tension elements is a cantilever beam.
24. A securing instrument for a cranial flap clamp comprising:
a first handle associated with a first clamping arm and a second handle associated with a second clamping arm, the first and second handles being pivotally connected;
the first and second clamping arms each further having a distal portion, the distal portions each further configured to receive at least a portion of an extension element of the cranial flap clamp;
an extension element-clamping assembly operatively associated with the recess of at least the first clamping arm; the assembly configured to selectively engage the extension element; and a clamp-engaging surface associated with the second clamping arm, the clamp-engaging surface configured to contact a clamp surface of the cranial flap clamp;
a tension limiting assembly, comprising an extendable tension element having first and second ends, the first end releasably attachable to the first handle at a first location and the second end releasably attachable to the first clamping arm; wherein the first clamping arm is pivotably associated with the first handle wherein when the extension element-clamping assembly engages the extension element and the clamp-engaging surface contacts the clamp surface, moving the handles with respect to each other causes the extension element and the clamp surface to move with respect to each other.
a first handle associated with a first clamping arm and a second handle associated with a second clamping arm, the first and second handles being pivotally connected;
the first and second clamping arms each further having a distal portion, the distal portions each further configured to receive at least a portion of an extension element of the cranial flap clamp;
an extension element-clamping assembly operatively associated with the recess of at least the first clamping arm; the assembly configured to selectively engage the extension element; and a clamp-engaging surface associated with the second clamping arm, the clamp-engaging surface configured to contact a clamp surface of the cranial flap clamp;
a tension limiting assembly, comprising an extendable tension element having first and second ends, the first end releasably attachable to the first handle at a first location and the second end releasably attachable to the first clamping arm; wherein the first clamping arm is pivotably associated with the first handle wherein when the extension element-clamping assembly engages the extension element and the clamp-engaging surface contacts the clamp surface, moving the handles with respect to each other causes the extension element and the clamp surface to move with respect to each other.
25. A cranial flap clamp system comprising:
at least one cranial flap clamp comprising first and second skull clamping elements and an extension element configured to connect the clamping elements;
a cranial flap clamp installation instrument comprising:
a first handle associated with a first clamping arm and a second handle associated with a second clamping arm, the first and second handles being pivotally connected, the first and second clamping arms each further having a distal portion, the distal portions each further configured to receive at least a portion of an extension element of the cranial flap clamp;
an extension element-clamping assembly operatively associated with the recess of at least the first clamping arm; the assembly configured to selectively engage the extension element;
a clamp-engaging surface associated with the second clamping arm, the clamp-engaging surface configured to contact one of the first and second skull clamping elements; and a tension limiting assembly, comprising an extendable tension element having first and second ends, the first end releasably attachable to the first handle at a first location and the second end releasably attachable to the first clamping arm; wherein the first clamping arm is pivotably associated with the first handle.
wherein when the extension element-clamping assembly engages the extension element and the clamp-engaging surface contacts the clamp surface, moving the handles with respect to each other causes the extension element and the clamp surface to move with respect to each other.
at least one cranial flap clamp comprising first and second skull clamping elements and an extension element configured to connect the clamping elements;
a cranial flap clamp installation instrument comprising:
a first handle associated with a first clamping arm and a second handle associated with a second clamping arm, the first and second handles being pivotally connected, the first and second clamping arms each further having a distal portion, the distal portions each further configured to receive at least a portion of an extension element of the cranial flap clamp;
an extension element-clamping assembly operatively associated with the recess of at least the first clamping arm; the assembly configured to selectively engage the extension element;
a clamp-engaging surface associated with the second clamping arm, the clamp-engaging surface configured to contact one of the first and second skull clamping elements; and a tension limiting assembly, comprising an extendable tension element having first and second ends, the first end releasably attachable to the first handle at a first location and the second end releasably attachable to the first clamping arm; wherein the first clamping arm is pivotably associated with the first handle.
wherein when the extension element-clamping assembly engages the extension element and the clamp-engaging surface contacts the clamp surface, moving the handles with respect to each other causes the extension element and the clamp surface to move with respect to each other.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/015,365 | 2004-12-16 | ||
| US11/015,365 US7993349B2 (en) | 2000-07-27 | 2004-12-16 | Cranial flap clamp instrument |
| PCT/US2005/045746 WO2006066119A1 (en) | 2004-12-16 | 2005-12-14 | Cranial flap clamp instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2590937A1 true CA2590937A1 (en) | 2006-06-22 |
| CA2590937C CA2590937C (en) | 2011-02-01 |
Family
ID=36118111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2590937A Expired - Fee Related CA2590937C (en) | 2004-12-16 | 2005-12-14 | Cranial flap clamp instrument |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US7993349B2 (en) |
| EP (1) | EP1830728A1 (en) |
| JP (1) | JP5036553B2 (en) |
| KR (1) | KR101220305B1 (en) |
| CN (2) | CN100571648C (en) |
| AU (1) | AU2005316345A1 (en) |
| BR (1) | BRPI0517428B1 (en) |
| CA (1) | CA2590937C (en) |
| NZ (1) | NZ556119A (en) |
| WO (1) | WO2006066119A1 (en) |
| ZA (1) | ZA200705539B (en) |
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| US8500739B2 (en) * | 2007-04-06 | 2013-08-06 | DePuy Synthes Products, LLC | Securing device to secure fixation devices to bone portions |
| US9039711B2 (en) | 2007-08-21 | 2015-05-26 | DePuy Synthes Products, Inc. | Instruments and methods for tensioning a spinal tether |
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| US8486114B2 (en) * | 2008-10-10 | 2013-07-16 | Acute Innovations Llc | Cerclage system for bone |
| GB2474363B (en) * | 2009-10-09 | 2013-09-25 | Acute Innovations Llc | System for tensioning a surgical wire |
| US9084644B2 (en) | 2011-02-02 | 2015-07-21 | DePuy Synthes Products, Inc. | Bone fixation assembly |
| US10548637B2 (en) | 2011-10-03 | 2020-02-04 | Blockhead Of Chicago, Llc | Implantable bone support systems |
| CN103181815A (en) * | 2011-12-28 | 2013-07-03 | 卢明 | Craniotomy postoperative fixing device |
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| US9173695B2 (en) * | 2012-07-24 | 2015-11-03 | Paradigm Spine, Llc | Bone fastener assembly instrument |
| BR112015011072B1 (en) * | 2012-11-15 | 2021-08-10 | Synthes Gmbh | BONE FIXATION DEVICE AND LOCKING MEMBER FOR BONE FIXATION DEVICE |
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| WO2015183485A1 (en) * | 2014-05-30 | 2015-12-03 | DePuy Synthes Products, Inc. | Bone fixation assembly |
| US10179001B2 (en) * | 2014-06-30 | 2019-01-15 | DePuy Synthes Products, Inc. | Bone reduction forceps and plate holding forceps |
| CN105534581A (en) * | 2016-02-18 | 2016-05-04 | 浙江申达斯奥医疗器械有限公司 | Special instrument set for skull repair fixation operations |
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-
2004
- 2004-12-16 US US11/015,365 patent/US7993349B2/en active Active
-
2005
- 2005-12-14 CN CNB2005800483487A patent/CN100571648C/en not_active Expired - Fee Related
- 2005-12-14 AU AU2005316345A patent/AU2005316345A1/en not_active Abandoned
- 2005-12-14 JP JP2007546962A patent/JP5036553B2/en not_active Expired - Fee Related
- 2005-12-14 NZ NZ556119A patent/NZ556119A/en not_active IP Right Cessation
- 2005-12-14 CN CN2009102123240A patent/CN101703418B/en not_active Expired - Fee Related
- 2005-12-14 CA CA2590937A patent/CA2590937C/en not_active Expired - Fee Related
- 2005-12-14 KR KR1020077015741A patent/KR101220305B1/en not_active IP Right Cessation
- 2005-12-14 BR BRPI0517428A patent/BRPI0517428B1/en not_active IP Right Cessation
- 2005-12-14 EP EP05854457A patent/EP1830728A1/en not_active Withdrawn
- 2005-12-14 ZA ZA200705539A patent/ZA200705539B/en unknown
- 2005-12-14 WO PCT/US2005/045746 patent/WO2006066119A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| JP5036553B2 (en) | 2012-09-26 |
| CN101703418B (en) | 2013-01-02 |
| US7993349B2 (en) | 2011-08-09 |
| KR101220305B1 (en) | 2013-01-09 |
| CN101703418A (en) | 2010-05-12 |
| US20050137608A1 (en) | 2005-06-23 |
| WO2006066119A1 (en) | 2006-06-22 |
| BRPI0517428B1 (en) | 2017-03-28 |
| NZ556119A (en) | 2009-11-27 |
| BRPI0517428A (en) | 2008-10-07 |
| CA2590937C (en) | 2011-02-01 |
| JP2008523919A (en) | 2008-07-10 |
| CN101123923A (en) | 2008-02-13 |
| ZA200705539B (en) | 2008-11-26 |
| EP1830728A1 (en) | 2007-09-12 |
| KR20070104349A (en) | 2007-10-25 |
| CN100571648C (en) | 2009-12-23 |
| AU2005316345A1 (en) | 2006-06-22 |
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Legal Events
| Date | Code | Title | Description |
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| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20181214 |
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| MKLA | Lapsed |
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