CN204723139U - Laterally be engaged nucleus pulposus clamp - Google Patents
Laterally be engaged nucleus pulposus clamp Download PDFInfo
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- CN204723139U CN204723139U CN201520223104.9U CN201520223104U CN204723139U CN 204723139 U CN204723139 U CN 204723139U CN 201520223104 U CN201520223104 U CN 201520223104U CN 204723139 U CN204723139 U CN 204723139U
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- stationary links
- nucleus pulposus
- handle
- hinged
- fixed
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Abstract
This utility model relates to one and is laterally engaged nucleus pulposus clamp.It solve the problems such as the existing nucleus pulposus clamp visual field is easily blocked.Comprise stationary links, stationary links front end is provided with towards stationary links lateral outer side and the fixed pliers head be obliquely installed, be provided with in stationary links lateral outer side and arrange and the movable rod axially arranged along stationary links with fixed pliers head homonymy, stationary links rear end is provided with the fixed handle towards the longitudinal outside of stationary links, be provided with in movable rod rear end and arrange and the flexible handle be hinged and connected with fixed handle homonymy, drives structure is provided with between flexible handle and fixed handle, movable rod front end is hinged is provided with movable binding clip, hinged drive mechanism is provided with between movable binding clip and stationary links.The advantage of this transverse direction occlusion nucleus pulposus clamp is: structure is simple, and during operation, the visual field is not easily blocked, easy to operate, good stability, can capture securely, not easily slippage when pulling back.<pb pnum="1" />
Description
Technical field
This utility model belongs to technical field of medical instruments, especially relates to one and is laterally engaged nucleus pulposus clamp.
Background technology
Often use nucleus pulposus clamp at bone surgeries such as carrying out resection of nucleus pulposus at present, it is main as the auxiliary implement in bone surgery, is mainly used in taking out rotten bone and finishing osseous tissue.The main fixed pliers head of traditional nucleus pulposus clamp and movable binding clip adopt the mode of bearing pin riveted joint to realize opening and closing, by the impact of apparatus size own and bearing pin intensity, this class apparatus is in clinical operation, there is many deficiencies in use, such as, the handle of existing nucleus pulposus clamp and binding clip mostly are in the same way and longitudinally arrange, because operations area is limited during use, operating position is easily blocked by caliper front end, this just makes visual field when using easily be blocked, and operation inconvenience, grasp firm not, this just makes existing nucleus pulposus clamp can not meet desirable surgical effect, increase operation risk and malpractice.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.Such as, Chinese patent literature discloses a kind of orthopaedic remover [application number: 200920103417.5] of improvement, be made up of handle, working head, the work surface of working head is zigzag, described working head is respectively nucleus pulposus clamp, curet, rongeur, vertebral plate sting pincers, their work surface is respectively the clamp of nucleus pulposus clamp, the edge of curet, the jaw of rongeur, vertebral plate sting pincers jaw, and these work surfaces are respectively zigzag.
Such scheme to some extent solves existing nucleus pulposus clamp and captures not firmly problem, but the program still also exists: operation inconvenience, the problem that during use, the visual field is easily blocked.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of simple and reasonable, the transverse direction occlusion nucleus pulposus clamp that during operation, the visual field is not easily blocked.
For achieving the above object, this utility model have employed following technical proposal: this transverse direction is engaged nucleus pulposus clamp, comprise stationary links, it is characterized in that, described stationary links front end is provided with towards stationary links lateral outer side and the fixed pliers head be obliquely installed, be provided with in stationary links lateral outer side and arrange and the movable rod axially arranged along stationary links with fixed pliers head homonymy, described stationary links rear end is provided with the fixed handle towards the longitudinal outside of stationary links, be provided with in movable rod rear end and arrange and the flexible handle be hinged and connected with fixed handle homonymy, the drives structure that movable rod can be driven to move axially along stationary links is provided with between flexible handle and fixed handle, described movable rod front end is hinged is provided with the movable binding clip corresponding with fixed pliers head, described movable binding clip be provided with the hinged drive mechanism that movable binding clip and fixed pliers head can be made mutually to be engaged when stationary links moves axially or be separated between stationary links.Obviously, the movable binding clip in this structure and fixed pliers head are transversely arranged, and flexible handle and fixed handle are in longitudinally arranging, and when making like this to operate, the visual field of operating position is not easily folded.
In above-mentioned transverse direction occlusion nucleus pulposus clamp, described hinged drive mechanism comprises the swinging block be fixedly linked with movable binding clip, described swinging block is wedge shape and the hinged front end being arranged on movable rod, be provided with the cell body inserted for swinging block in stationary links lateral sides, and the groove width size of described cell body upper end to the groove width size of lower end diminishes gradually.Namely drive when movable rod moves axially swinging block to swing in cell body thus movable binding clip is swung and realize with the occlusion of fixed pliers head or be separated.
In above-mentioned transverse direction occlusion nucleus pulposus clamp, described fixed pliers head is formed to lateral outer side bending by stationary links front end, has the first groove caved inward inside described fixed pliers head.Such this nucleus pulposus clamp that can make captures more firm, and crawl thing can be placed in the first groove.
In above-mentioned transverse direction occlusion nucleus pulposus clamp, inside described movable binding clip, there is second groove corresponding with the first groove.First groove and the second groove dock formation mutually places the space capturing thing, and this nucleus pulposus clamp that can make like this captures more firm.
In above-mentioned transverse direction occlusion nucleus pulposus clamp, described drives structure comprises the through hole being longitudinally arranged on fixed handle end, described flexible handle end is provided with the hinged seat be arranged in through hole, and described hinged seat one end and flexible handle are fixedly linked, and the other end and movable rod are hinged and connected.Because flexible handle and fixed handle are hinged and connected, swung by flexible handle and drive movable rod to move axially along stationary links.
In above-mentioned transverse direction occlusion nucleus pulposus clamp, be provided with between described fixed handle and flexible handle and flexible handle can be made to keep to the elastic support structure away from direction, fixed handle side movement tendency.
In above-mentioned transverse direction occlusion nucleus pulposus clamp, described elastic support structure comprises the first arc spring lamination be arranged on inside fixed handle, described flexible handle is provided with second arc spring lamination corresponding with the first arc spring lamination, and the first described arc spring lamination is connected with the second arc spring lamination.Make like this, flexible handle being separated with fixed handle without during active force, to make movable binding clip and fixed pliers head be in released state when nothing force.
In above-mentioned transverse direction occlusion nucleus pulposus clamp, outside described fixed pliers head, there is curved transition sections.
Compared with prior art, the advantage of this transverse direction occlusion nucleus pulposus clamp is: structure is simple, and during operation, the visual field is not easily blocked, easy to operate, good stability, can capture securely, not easily slippage when pulling back.
Accompanying drawing explanation
The structural representation that Fig. 1 provides for this utility model.
The partial structurtes explosive view that Fig. 2 provides for this utility model.
In figure, stationary links 1, fixed pliers head 2, first groove 21, curved transition sections 22, movable rod 3, fixed handle 4, flexible handle 5, drives structure 6, through hole 61, hinged seat 62, movable binding clip 7, second groove 71, hinged drive mechanism 8, swinging block 81, cell body 82, elastic support structure 9, first arc spring lamination 91, second arc spring lamination 92.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1-2, this transverse direction is engaged nucleus pulposus clamp, comprise stationary links 1, stationary links 1 front end is provided with towards stationary links 1 lateral outer side and the fixed pliers head 2 be obliquely installed, there is outside fixed pliers head 2 curved transition sections 22, be provided with in stationary links 1 lateral outer side and arrange and the movable rod 3 axially arranged along stationary links 1 with fixed pliers head 2 homonymy, stationary links 1 rear end is provided with the fixed handle 4 towards the longitudinal outside of stationary links 1, be provided with in movable rod 3 rear end and arrange and the flexible handle 5 be hinged and connected with fixed handle 4 homonymy, the drives structure 6 that movable rod 3 can be driven to move axially along stationary links 1 is provided with between flexible handle 5 and fixed handle 4, movable rod 3 front end is hinged is provided with the movable binding clip 7 corresponding with fixed pliers head 2, movable binding clip 7 be provided with the hinged drive mechanism 8 that movable binding clip 7 to be made when stationary links 1 moves axially mutually to be engaged with fixed pliers head 2 or is separated between stationary links 1, obviously, here movable binding clip 7 is transversely arranged with fixed pliers head 2, flexible handle 5 and fixed handle 4 are in longitudinally arranging, when making like this to operate, the visual field of operating position is not easily folded.
Particularly, hinged drive mechanism 8 in embodiment own comprises the swinging block 81 be fixedly linked with movable binding clip 7, swinging block 81 is wedge shape and the hinged front end being arranged on movable rod 3, the cell body 82 inserted for swinging block 81 is provided with in stationary links 1 lateral sides, and the groove width size of cell body 82 upper end to the groove width size of lower end diminishes gradually, namely drive when movable rod 3 moves axially swinging block 81 to swing cell body 82 in thus make the occlusion of movable binding clip 7 swing realization and fixed pliers head 2 or be separated.More specifically, fixed pliers head 2 is here formed to lateral outer side bending by stationary links 1 front end, has the first groove 21 caved inward inside fixed pliers head 2, and this nucleus pulposus clamp that can make like this captures more firm, and crawl thing can be placed in the first groove 21.Similarly, inside movable binding clip 7 here, there is second groove 71 corresponding with the first groove 21.Docking formation places the space capturing thing mutually for first groove 21 and the second groove 71, and this nucleus pulposus clamp that can make like this captures more firm.
Further, here drives structure 6 comprises the through hole 61 being longitudinally arranged on fixed handle 4 end, flexible handle 5 end is provided with the hinged seat 62 be arranged in through hole 61, and hinged seat 62 one end and flexible handle 5 are fixedly linked, the other end and movable rod 3 are hinged and connected, because flexible handle 5 and fixed handle 4 are hinged and connected, swung by flexible handle 5 and drive movable rod 3 to move axially along stationary links 1.Preferably, be provided with between fixed handle 4 and flexible handle 5 flexible handle 5 can be made to keep to the elastic support structure 9 away from direction, fixed handle 4 side movement tendency.Wherein, here elastic support structure 9 comprises the first arc spring lamination 91 be arranged on inside fixed handle 4, flexible handle 5 is provided with second arc spring lamination 92 corresponding with the first arc spring lamination 91, and the first arc spring lamination 91 is connected with the second arc spring lamination 92, make like this, flexible handle 5 being separated with fixed handle 4 without during active force, to make movable binding clip 7 and fixed pliers head 2 be in released state when nothing force.
Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as stationary links 1, fixed pliers head 2, first groove 21, curved transition sections 22, movable rod 3, fixed handle 4, flexible handle 5, drives structure 6, through hole 61, hinged seat 62, movable binding clip 7, second groove 71, hinged drive mechanism 8, swinging block 81, cell body 82, elastic support structure 9, first arc spring lamination 91, second arc spring lamination 92 herein, do not get rid of the probability using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with this utility model spirit.
Claims (8)
1. a transverse direction is engaged nucleus pulposus clamp, comprise stationary links (1), it is characterized in that, described stationary links (1) front end is provided with towards stationary links (1) lateral outer side and the fixed pliers head be obliquely installed (2), be provided with in stationary links (1) lateral outer side and arrange and the movable rod (3) axially arranged along stationary links (1) with fixed pliers head (2) homonymy, described stationary links (1) rear end is provided with the fixed handle (4) towards the longitudinal outside of stationary links (1), be provided with in movable rod (3) rear end and arrange and the flexible handle be hinged and connected (5) with fixed handle (4) homonymy, the drives structure (6) that movable rod (3) can be driven to move axially along stationary links (1) is provided with between flexible handle (5) and fixed handle (4), described movable rod (3) front end is hinged is provided with the movable binding clip (7) corresponding with fixed pliers head (2), described movable binding clip (7) be provided with the hinged drive mechanism (8) that movable binding clip (7) can be made mutually to be engaged with fixed pliers head (2) or to be separated when stationary links (1) moves axially between stationary links (1).
2. transverse direction according to claim 1 is engaged nucleus pulposus clamp, it is characterized in that, described hinged drive mechanism (8) comprises the swinging block (81) be fixedly linked with movable binding clip (7), described swinging block (81) is in wedge shape and the hinged front end being arranged on movable rod (3), be provided with for swinging block (81) cell body (82) that inserts in stationary links (1) lateral sides, and the groove width size of described cell body (82) upper end to the groove width size of lower end diminishes gradually.
3. transverse direction according to claim 2 is engaged nucleus pulposus clamp, it is characterized in that, described fixed pliers head (2) is formed to lateral outer side bending by stationary links (1) front end, and described fixed pliers head (2) inner side has the first groove (21) caved inward.
4. transverse direction according to claim 3 is engaged nucleus pulposus clamp, it is characterized in that, described movable binding clip (7) inner side has second groove (71) corresponding with the first groove (21).
5. the transverse direction occlusion nucleus pulposus clamp according to claim 1 or 2 or 3 or 4, it is characterized in that, described drives structure (6) comprises the through hole (61) being longitudinally arranged on fixed handle (4) end, described flexible handle (5) end is provided with the hinged seat (62) be arranged in through hole (61), and described hinged seat (62) one end and flexible handle (5) are fixedly linked, the other end and movable rod (3) are hinged and connected.
6. transverse direction according to claim 5 is engaged nucleus pulposus clamp, it is characterized in that, be provided with between described fixed handle (4) and flexible handle (5) and flexible handle (5) can be made to keep to the elastic support structure (9) away from fixed handle (4) direction, side movement tendency.
7. transverse direction according to claim 6 is engaged nucleus pulposus clamp, it is characterized in that, described elastic support structure (9) comprises the first arc spring lamination (91) being arranged on fixed handle (4) inner side, described flexible handle (5) is provided with second arc spring lamination (92) corresponding with the first arc spring lamination (91), and described the first arc spring lamination (91) is connected with the second arc spring lamination (92).
8. transverse direction according to claim 1 is engaged nucleus pulposus clamp, it is characterized in that, described fixed pliers head (2) outside has curved transition sections (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223104.9U CN204723139U (en) | 2015-04-14 | 2015-04-14 | Laterally be engaged nucleus pulposus clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223104.9U CN204723139U (en) | 2015-04-14 | 2015-04-14 | Laterally be engaged nucleus pulposus clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204723139U true CN204723139U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520223104.9U Expired - Fee Related CN204723139U (en) | 2015-04-14 | 2015-04-14 | Laterally be engaged nucleus pulposus clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204723139U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646060A (en) * | 2019-01-15 | 2019-04-19 | 西安交通大学 | A kind of minimal invasion tumor of spine aspiration biopsy device |
| CN111887938A (en) * | 2020-09-11 | 2020-11-06 | 中南大学湘雅医院 | Nucleus pulposus clamping and taking system with functions of occlusion, suction and illumination |
-
2015
- 2015-04-14 CN CN201520223104.9U patent/CN204723139U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646060A (en) * | 2019-01-15 | 2019-04-19 | 西安交通大学 | A kind of minimal invasion tumor of spine aspiration biopsy device |
| CN111887938A (en) * | 2020-09-11 | 2020-11-06 | 中南大学湘雅医院 | Nucleus pulposus clamping and taking system with functions of occlusion, suction and illumination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160414 |