CN211300194U - Holding forceps of titanium cage for reconstructing spinal stability through posterior approach - Google Patents
Holding forceps of titanium cage for reconstructing spinal stability through posterior approach Download PDFInfo
- Publication number
- CN211300194U CN211300194U CN201922268914.7U CN201922268914U CN211300194U CN 211300194 U CN211300194 U CN 211300194U CN 201922268914 U CN201922268914 U CN 201922268914U CN 211300194 U CN211300194 U CN 211300194U
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- China
- Prior art keywords
- handle
- forceps
- elastic sheet
- pincers
- clamp
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 33
- 239000010936 titanium Substances 0.000 title claims abstract description 33
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 25
- 230000007480 spreading Effects 0.000 claims description 18
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims 5
- 238000011105 stabilization Methods 0.000 claims 5
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 abstract 2
- 238000001356 surgical procedure Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010061310 Nerve root injury Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
Images
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a through way of escape reestablishment spinal stability used titanium cage control pincers, including first pincers handle and second pincers handle, be provided with the pivot between first pincers handle and the second pincers handle, the junction of first pincers handle and second pincers handle is rotated through the pivot of interlude and is connected, first pincers handle and second pincers handle constitute by grip block and handheld part, first pincers handle is provided with first shell fragment and the second shell fragment of strutting respectively with the looks proximal surface of the handheld part of second pincers handle, the handheld part terminal department of first pincers handle is provided with anti-skidding tooth handle. A through the used control pincers of titanium cage of way of escape reconstruction backbone stability, control pincers overall structure simple, the modern design is controlled reinforce, easily loosens for convenient and fast more when the place ahead centrum stability is rebuild to the way of escape in the art, can shorten the operation time, be favorable to medical safety, bring better use prospect.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a holding forceps for reconstructing a titanium cage for spinal stability through a posterior approach.
Background
As an important supporting device for reconstructing the stability of the spine anterior column in the traditional spine surgery, the titanium cage is generally grabbed and placed by means of vascular forceps through an anterior approach. In recent years, with the rapid development of posterior spinal surgery, the surgery mode of performing a posterior lateral vertebral body secondary resection and implanting a titanium cage to reconstruct the stability of the anterior spine is more and more mature. Especially for severe fracture, infection, tumor, etc. of thoracic and lumbar vertebrae. However, the distance between two adjacent nerve roots on one side is shorter, so that the window for placing the titanium cage after pressure reduction is slightly smaller than the long diameter of the titanium cage. The complication of nerve root injury happens occasionally because of using vascular forceps but can not hold the titanium cage steadily in the process of placing, and more serious people can injure the spinal cord and peripheral great vessels, causing irreparable loss, bringing operational troubles to main surgeons, often prolonging the operation time and increasing the bleeding volume of patients.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a through the used control pincers of titanium cage of way backward reconstruction spine stability, can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a holding clamp of a titanium cage for reconstructing spine stability through a posterior approach comprises a first clamp handle and a second clamp handle, wherein a rotating shaft is arranged between the first clamp handle and the second clamp handle, the joint of the first clamp handle and the second clamp handle is rotationally connected through the inserted rotating shaft, the first clamp handle and the second clamp handle are both composed of a clamping part and a handheld part, the adjacent surfaces of the handheld parts of the first clamp handle and the second clamp handle are respectively provided with a first opening elastic sheet and a second opening elastic sheet, the tail end of the handheld part of the first clamp handle is provided with an anti-skidding tooth handle, the tail end of the handheld part of the second clamp handle is provided with a square groove, and one end, far away from the first clamp handle, of the anti-skidding tooth handle is clamped to the inside of the square groove.
Preferably, two crown outer side surfaces are arranged on opposite surfaces of the clamping portion of the second forceps handle and the clamping portion of the first forceps handle, a vertical tangent plane is arranged at the tail end of the clamping portion of the second forceps handle and the clamping portion of the first forceps handle, and a clamping groove and an inner side connecting surface are arranged on adjacent surfaces of the clamping portion of the second forceps handle and the clamping portion of the first forceps handle.
Preferably, the clamping groove consists of a groove bottom inclined plane, a groove bottom narrow horizontal plane and a far side groove wall, the outer contour shapes of the groove bottom inclined plane, the groove bottom narrow horizontal plane and the far side groove wall are trapezoidal, and the shape of the vertical tangent plane is rhombic.
Preferably, the first spreading elastic sheet is provided with a first rivet, the first spreading elastic sheet is fixedly installed on a handheld part of the first clamp handle through the first rivet, the second spreading elastic sheet is provided with a second rivet, the second spreading elastic sheet is fixedly installed on a handheld part of the second clamp handle through the second rivet, the first spreading elastic sheet and the second spreading elastic sheet are both arc-shaped, the free end of the second spreading elastic sheet is provided with a notch, and the free end of the first spreading elastic sheet is clamped into the notch.
Preferably, the anti-slip tooth handle is provided with a hinge shaft, one end of the anti-slip tooth handle is hinged into a through hole formed in the tail end of the handheld part of the first clamp handle through the hinge shaft, the anti-slip tooth handle is provided with anti-slip teeth, and the anti-slip tooth handle is clamped into the square groove through the anti-slip teeth.
Preferably, the first forceps handle and the second forceps handle are provided with anti-skid concave surfaces on opposite surfaces of the hand-held portion.
Compared with the prior art, the utility model discloses following beneficial effect has: this kind of through used titanium cage of way of escape reconstruction spine stability control pincers, this kind of titanium cage control pincers overall structure is simple, the modern design, and it is strong to control power, easily unclamps for convenient and fast more when the place ahead centrum stability is rebuild in the way of escape in the art, can shorten the operation time, be favorable to medical safety, do benefit to people and use, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is an enlarged schematic structural view of the clamping portion of the first and second clamp handles of the present invention.
Fig. 3 is a schematic perspective view of the present invention.
Fig. 4 is an enlarged schematic structural view of the clamping portion of the first and second clamp handles of the present invention.
In the figure: 1. a first plier handle; 11. a through hole; 2. a second forceps handle; 21. a card slot; 211. a groove bottom inclined plane; 212. the bottom of the groove is narrow; 213. a distal slot wall; 22. cutting the surface vertically; 23. an inside joint face; 24. the outer side surfaces of the two handle heads; 25. a square groove; 26. an anti-slip concave surface; 3. a rotating shaft; 41. a first spreading spring; 42. a second spreading spring; 51. a first rivet; 52. a second rivet; 6. an anti-slip tooth handle; 61. anti-slip teeth; 62. and a hinge axis.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-4, a pair of forceps for holding a titanium cage used for reconstructing spine stability via posterior approach includes a first forceps handle 1 and a second forceps handle 2, a rotation shaft 3 is disposed between the first forceps handle 1 and the second forceps handle 2, a connection portion of the first forceps handle 1 and the second forceps handle 2 is rotatably connected via the rotation shaft 3 inserted, the first forceps handle 1 and the second forceps handle 2 are both composed of a holding portion and a holding portion, a first opening elastic sheet 41 and a second opening elastic sheet 42 are respectively disposed on adjacent surfaces of the holding portions of the first forceps handle 1 and the second forceps handle 2, an anti-slip tooth handle 6 is disposed at a terminal of the holding portion of the first forceps handle 1, a square groove 25 is disposed at a terminal of the holding portion of the second forceps handle 2, and one end of the anti-slip tooth handle 6 far away from the first forceps handle 1 is clamped inside the square groove 25.
Furthermore, the opposite surfaces of the clamping part of the second forceps handle 2 and the first forceps handle 1 are provided with two handle head outer side surfaces 24, the tail ends of the clamping part of the second forceps handle 2 and the first forceps handle 1 are provided with vertical tangent planes 22, the adjacent surfaces of the clamping part of the second forceps handle 2 and the first forceps handle 1 are provided with clamping grooves 21 and inner side connecting surfaces 23, each clamping groove 21 consists of a groove bottom inclined plane 211, a groove bottom narrow horizontal plane 212 and a far side groove wall 213, the outer contour shapes of the groove bottom inclined plane 211, the groove bottom narrow horizontal plane 212 and the far side groove wall 213 are trapezoidal, the shape of the vertical tangent plane 22 is rhombic, the clamping part is beneficial to the opening of the head end of the clamping part of the second forceps handle 2 and the first forceps handle 1 and the smooth clamping into a diamond-shaped titanium cage hole, the opening direction of the clamping part of the second forceps handle 2 and the first forceps handle 1 is consistent with the long diameter direction of the titanium cage, and in addition, the bottom, the purpose is to be attached to one end of a diamond hole of a titanium cage, so that the contact area is increased.
Further, a first rivet 51 is arranged on the first expanding elastic sheet 41, the first expanding elastic sheet 41 is fixedly arranged on the handheld part of the first forceps handle 1 through the first rivet 51, a second rivet 52 is arranged on the second expanding elastic sheet 42, the second expanding elastic sheet 42 is fixedly arranged on the handheld part of the second forceps handle 2 through the second rivet 52, the first expanding elastic sheet 41 and the second expanding elastic sheet 42 are both arc-shaped, a notch is formed in the free end of the second expanding elastic sheet 42, the free end of the first expanding elastic sheet 41 is clamped into the notch, reset elastic force can be generated when the second forceps handle 2 is tightly held with the handheld part of the first forceps handle 1, the handheld part of the second forceps handle 2 and the first forceps handle 1 is loosened, the first expanding elastic sheet 41 and the second expanding elastic sheet 42 automatically rebound, the clamping part of the second forceps handle 2 and the first forceps handle 1 does not clamp the titanium cage any more, and strong clamping of the titanium cage can be conveniently released.
Furthermore, a hinge shaft 62 is arranged on the anti-slip tooth handle 6, one end of the anti-slip tooth handle 6 is hinged to the through hole 11 formed at the tail end of the handheld part of the first forceps handle 1 through the hinge shaft 62, the anti-slip tooth handle 6 is provided with anti-slip teeth 61, the anti-slip tooth handle 6 is clamped into the square groove 25 through the anti-slip teeth 61, the anti-slip tooth handle 6 is clamped into the square groove 25, the second forceps handle 2 and the handheld part of the first forceps handle 1 can be made to be immovable, and the looseness caused by reset tension generated by the two crossed first opening elastic sheets 41 and the second opening elastic sheets 42 can be avoided.
Furthermore, the anti-skid concave surfaces 26 are formed on the opposite surfaces of the holding parts of the first forceps handle 1 and the second forceps handle 2, so that the anti-skid capability during hand operation is improved, and the holding forceps are not easy to fall off in practical use.
It should be noted that the utility model relates to a through the used control pincers of titanium cage of way backward rebuild backbone stability, during the use, the head end is opened along the titanium cage axial to the clamping part of control first pincers handle 1 and second pincers handle 2, makes the terminal vertical section 22 of clamping part of first pincers handle 1 and second pincers handle 2 stretch into on the titanium cage wall rhombus fretwork downthehole along the direction perpendicular with the titanium cage major axis. The handheld parts of the first forceps handle 1 and the second forceps handle 2 are gripped tightly, so that the clamping grooves 21 of the clamping parts of the first forceps handle 1 and the second forceps handle 2 clamp the titanium cage wall, the holding stability is enhanced through pressurization, and in the operation process, the anti-skidding tooth handles 6 are arranged at the tail ends of the handheld parts of the first forceps handle 1 and the second forceps handle 2 to prevent force unloading. When the titanium cage is placed, the anti-skid tooth handle 6 is pulled up to prop the first propping elastic sheet 41 and the second propping elastic sheet 42 open, the generated reset elastic force can release the clamping of the clamping parts of the first forceps handle 1 and the second forceps handle 2 on the titanium cage, and the holding forceps can be pulled out in a proper manner.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a used titanium cage of spine stability is rebuild through way of escape controls pincers, includes first pincers handle (1) and second pincers handle (2), its characterized in that: a rotating shaft (3) is arranged between the first clamp handle (1) and the second clamp handle (2), the joint of the first clamp handle (1) and the second clamp handle (2) is rotatably connected through the rotating shaft (3) which is inserted, the first clamp handle (1) and the second clamp handle (2) are both composed of a clamping part and a handheld part, the adjacent surfaces of the handheld parts of the first clamp handle (1) and the second clamp handle (2) are respectively provided with a first opening elastic sheet (41) and a second opening elastic sheet (42), the tail end of the handheld part of the first clamp handle (1) is provided with an anti-skidding tooth handle (6), the tail end of the handheld part of the second clamp handle (2) is provided with a square groove (25), and one end, far away from the first clamp handle (1), of the anti-skidding tooth handle (6) is clamped to the inside of the square groove (25).
2. The forceps for holding a titanium cage used for posterior spinal stabilization according to claim 1, wherein: two crown outer side faces (24) are arranged on opposite faces of a clamping portion of the second forceps handle (2) and the first forceps handle (1), a vertical tangent plane (22) is arranged at the tail end of the clamping portion of the second forceps handle (2) and the first forceps handle (1), and a clamping groove (21) and an inner side connecting face (23) are arranged on adjacent faces of the clamping portion of the second forceps handle (2) and the first forceps handle (1).
3. The forceps for holding a titanium cage used for posterior spinal stabilization according to claim 2, wherein: the clamping groove (21) is composed of a groove bottom inclined plane (211), a groove bottom narrow horizontal plane (212) and a far side groove wall (213), the outer contour shapes of the groove bottom inclined plane (211), the groove bottom narrow horizontal plane (212) and the far side groove wall (213) are trapezoidal, and the shape of the vertical tangent plane (22) is rhombic.
4. The forceps for holding a titanium cage used for posterior spinal stabilization according to claim 1, wherein: the clamp is characterized in that a first rivet (51) is arranged on the first spreading elastic sheet (41), the first spreading elastic sheet (41) is fixedly arranged on a handheld part of the first clamp handle (1) through the first rivet (51), a second rivet (52) is arranged on the second spreading elastic sheet (42), the second spreading elastic sheet (42) is fixedly arranged on a handheld part of the second clamp handle (2) through the second rivet (52), the first spreading elastic sheet (41) and the second spreading elastic sheet (42) are both arc-shaped, a notch is formed in the free end of the second spreading elastic sheet (42), and the free end of the first spreading elastic sheet (41) is clamped into the notch.
5. The forceps for holding a titanium cage used for posterior spinal stabilization according to claim 1, wherein: the anti-skidding gear handle (6) is provided with a hinge shaft (62), one end of the anti-skidding gear handle (6) is hinged into a through hole (11) formed in the tail end of the handheld portion of the first clamp handle (1) through the hinge shaft (62), the anti-skidding gear handle (6) is provided with anti-skidding teeth (61), and the anti-skidding gear handle (6) is clamped into the square groove (25) through the anti-skidding teeth (61).
6. The forceps for holding a titanium cage used for posterior spinal stabilization according to claim 1, wherein: anti-skidding concave surfaces (26) are arranged on the opposite surfaces of the handheld parts of the first forceps handle (1) and the second forceps handle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268914.7U CN211300194U (en) | 2019-12-17 | 2019-12-17 | Holding forceps of titanium cage for reconstructing spinal stability through posterior approach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922268914.7U CN211300194U (en) | 2019-12-17 | 2019-12-17 | Holding forceps of titanium cage for reconstructing spinal stability through posterior approach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211300194U true CN211300194U (en) | 2020-08-21 |
Family
ID=72060210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922268914.7U Expired - Fee Related CN211300194U (en) | 2019-12-17 | 2019-12-17 | Holding forceps of titanium cage for reconstructing spinal stability through posterior approach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211300194U (en) |
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2019
- 2019-12-17 CN CN201922268914.7U patent/CN211300194U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |