CN202154741U - Double-joint compression forceps - Google Patents
Double-joint compression forceps Download PDFInfo
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- CN202154741U CN202154741U CN2011202399639U CN201120239963U CN202154741U CN 202154741 U CN202154741 U CN 202154741U CN 2011202399639 U CN2011202399639 U CN 2011202399639U CN 201120239963 U CN201120239963 U CN 201120239963U CN 202154741 U CN202154741 U CN 202154741U
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- pincers
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- polishing head
- screw
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Abstract
A set of double-joint compression forceps belong to the technical field of medical appliances and comprise a forceps handle A and a forceps handle B which are connected in an X-shaped structure, wherein the front end of the forceps handle A is matched and connected with a connecting piece B, a pressing head B and a connecting piece D, the front end of the forceps handle B is matched and connected with a connecting piece A, a pressing head A and a connecting piece C, the connecting piece A and the connecting B are in X-shaped connection, the connecting C and the connecting piece D are in X-shaped connection, the connecting pieces A, B, C and D are matched with the pressing head A and the pressing B in a sliding manner, a U-shaped clamping groove A is arranged at the front end of the pressing head A in a matching manner, a U-shaped clamping groove B is arranged at the front end of the pressing head B in a matching manner, the rear part of the forceps handle B is movably connected with one end of a positioning gear rack, and the positioning gear rack is clamped and connected with the rear part of the forceps handle in a positioning and matching manner. The double-joint compression forceps have the advantages of simple manufacturing process, convenience in operation, reduction of operation difficulty, accurate positioning, firm clamping, difficult slipping, high stability and strong practicability.
Description
Technical field
This utility model belongs to technical field of medical instruments; Be specially and make the pressurization operating theater instruments when a kind of spinal column is implanted internal fixation operation; Be applicable to that the degeneration vertebral body is unstable, lumbar spondylolisthesis, the post-decompression iatrogenic vertebral body of performing the operation is unstable; Breast lumbar vertebra malformation correction is implanted the doublejointed compression pincers of spinal internal fixation system during the bone surgery of internal fixation etc. in the arts such as breast lumbar vertebra tumor or tuberculosis.
Background technology
At present, traditional clinically compression pincers are monarthric Mechanical Builds, by about clamp handle, spring leaf and tooth bar are formed; Simple in structure, stability is not high, clamps negative winding stem simultaneously and needs bending, thereby strengthen manufacture difficulty.In use exist pincers and get insecurely, some privileged sites are difficult for pincers get, locate inaccurately, cause slippage easily, the increasing operation risk; Because it is unopen that the factor of Mechanical Builds, its operation technique are looked eye yet.
The utility model content
To the problems referred to above that exist in the prior art, the purpose of this utility model is to design the technical scheme that provides a kind of doublejointed compression easy and simple to handle, accurate positioning to clamp, and its manufacturing process is simple; Product stability is good; Risk is little, and pincers are got firmly, and it is open that eye is looked in operation.
Described doublejointed compression pincers; It is characterized in that comprising the pincers handle A, the pincers handle B that connect with X type structure; Pincers handle A front end and brace B, polishing head B, brace D are connected, and clamp handle B front end and brace A, polishing head A, brace C and are connected, and brace A and brace B, brace C and brace D are respectively that X-shaped is connected and are slidingly matched with polishing head A, polishing head B; Polishing head A front end is equipped with U-shaped draw-in groove A; Polishing head B front end is equipped with U-shaped draw-in groove B, and pincers handle B rear portion flexibly connects with location tooth bar one end, and the location tooth bar cooperates with clamping location, pincers handle A rear portion.
Described doublejointed compression clamps, and it is characterized in that clamping between handle A, the pincers handle B being equipped with spring leaf A, spring leaf B, flexibly connects between spring leaf A, the spring leaf B.
Described doublejointed compression pincers is characterized in that brace A and brace B are X-shaped through screw C and flexibly connect, and brace C and brace D are X-shaped through screw F and flexibly connect.
Described doublejointed compression pincers is characterized in that chute A is set on the polishing head A, and chute B is set on the polishing head B, and brace A, brace C are slidingly matched through screw D and chute B, and brace B, brace D are slidingly matched through screw E and chute A.
Described doublejointed compression pincers is characterized in that clamping handle A front end and brace B, polishing head B, brace D through screw A flexible connection, and pincers handle B front end and brace A, polishing head A, brace C flexibly connect through screw B.
Described doublejointed compression pincers is characterized in that clamping handle A, pincers handle B flexibly connects with X type structure through the axle nail.
Described doublejointed compresses and clamps, and it is characterized in that clamping handle B rear portion and passes through the pin flexible connection with location tooth bar one end, locatees rack surface groove is set, and pincers handle A goes up the latch of correspondence setting and this groove snap-fit.
Above-mentioned doublejointed compression pincers, its two polishing heads are installed with relative mode, under square one, have increased the distance of pressurization, and eye is looked in the operation of open operation; Four braces connect with X-shaped, can in the polishing head inside groove, slide, and head can move on same straight line when having guaranteed pressurization, reduce the possibility of slippage; Tooth bar can help the head pressurization to be positioned at any distance place in pincers handle when compression location, and the pincers handle becomes corrugated, and the apery body palm state of exerting all one's strength meets body mechanics's structure, helps operation more.Its easy and simple to handle, accurate positioning, manufacturing process is simple, and product stability is good, and risk is little, and pincers are got firmly, and it is open that eye is looked in operation.This doublejointed compression pincers, implantation spinal internal fixation system when being applicable to the bone surgery of internal fixation in the arts such as degeneration vertebral body shakiness, lumbar spondylolisthesis, the post-decompression iatrogenic vertebral body shakiness of operation, breast lumbar vertebra malformation correction, breast lumbar vertebra tumor or tuberculosis etc.
Description of drawings
Fig. 1 is the decomposition texture sketch map of this utility model;
Fig. 2-5 is the perspective view of this utility model;
Fig. 6 is this utility model user mode structural representation;
The user mode reference diagram that Fig. 7 uses in spinal operation for this utility model;
Fig. 8 is the structural representation of pincers handle A;
Fig. 9 is the structural representation of pincers handle B;
Figure 10 is the structural representation of polishing head A;
Figure 11 is the structural representation of polishing head B;
Figure 12 is the structural representation of location tooth bar;
Figure 13 is the structural representation of brace A;
Figure 14 is the structural representation of brace B;
Figure 15 is the structural representation of brace C;
Figure 16 is the structural representation of brace D;
Figure 17 is the structural representation of spring leaf B;
Figure 18 is the structural representation of another embodiment of spring leaf B;
Figure 19 is the structural representation of spring leaf A;
Figure 20 is the structural representation of lock-screw;
Figure 21 is the structural representation of axle screw;
Figure 22 is the structural representation of screw C, F;
Figure 23 is the structural representation of screw D, E;
Figure 24 is the structural representation of screw A, B;
Figure 25-30 is a screw tail shape various structure sketch map;
Among the figure: 1-location tooth bar, 2-pin, 3-lock-screw, 4-spring leaf A, 5-pincers handle A, 6-axle screw, 7-brace B, 8-screw A, 9-screw B, 10-screw C, 11-brace A, 12-screw D, 13-screw E, 14-polishing head A, 14a-chute A, 15-U shape draw-in groove A, 16-U shape draw-in groove B, 17-polishing head B, 17a-chute B, 18-brace C, 19-screw F, 20-brace D, 21-pincers handle B, 22-spring leaf B.
The specific embodiment
Below in conjunction with Figure of description this utility model is further specified.
As shown in the figure, pincers handle A5, pincers handle B21 flexibly connect with X type structure through axle nail 6.Pincers handle A5 front end and brace B7, polishing head B17, brace D20 are connected, and pincers handle B21 front end and brace A11, polishing head A14, brace C18 are connected.Polishing head A14 front end is equipped with U-shaped draw-in groove A15, and polishing head B17 front end is equipped with U-shaped draw-in groove B16, and U-shaped draw-in groove A15 and U-shaped draw-in groove B16 can be stuck on the pitman, guarantees to clamp to get firmly.Pincers handle A5 front end and brace B7, polishing head B17, brace D20 flexibly connect through screw A8, and pincers handle B21 front end and brace A11, polishing head A14, brace C18 flexibly connect through screw B9.Brace A11 and brace B7, brace C18 and brace D20 are respectively that X-shaped is connected and are slidingly matched with polishing head A14, polishing head B17.Brace A11 and brace B7 are X-shaped through screw C10 and flexibly connect, and brace C18 and brace D20 are X-shaped through screw F19 and flexibly connect.Chute A14a is set on the polishing head A14; Chute B17a is set on the polishing head B17; Brace A11, brace C18 are slidingly matched through screw D12 and chute B17a, and brace B7, brace D20 are slidingly matched through screw E13 and chute A14a, and brace A11, brace B7, brace C18, brace D20 can slide in polishing head A14, polishing head B17; Head can move on same straight line when having guaranteed pressurization, reduces the possibility of slippage.Polishing head A14, polishing head B17 install with relative mode, under square one, have increased the distance of pressurization, and eye is looked in the operation of open operation.Screw C is identical with the structure of screw F; Screw D is identical with the structure of screw E; Screw A is identical with the structure of screw B.
Be equipped with spring leaf A4, spring leaf B22 between pincers handle A5, the pincers handle B21, flexibly connect between spring leaf A4, the spring leaf B22, spring leaf A4, spring leaf B22 are connected with pincers handle A5, pincers handle B21 locking through lock-screw 3 respectively.Pincers handle B21 rear portion flexibly connects with location tooth bar 1 one ends, and location tooth bar 1 cooperates with clamping location, pincers handle A5 rear portion.Pincers handle B21 rear portion flexibly connects through pin 2 with location tooth bar 1 one ends; Tooth bar 1 surface, location is provided with groove; Pincers handle A5 goes up the latch of corresponding setting and this groove snap-fit, and location tooth bar 1 can help head to pressurize and be positioned at any distance place when the compression of pincers handle.The head of pincers handle A5, pincers handle B21 is provided with curved surface and oblique angle, increases good looking appearance; Pincers handle A5, pincers handle B21 become corrugated, and the apery body palm state of exerting all one's strength meets body mechanics's structure, helps operation more.
Above-mentioned doublejointed compression pincers have overcome the design defect that conventional compression clamps, and make manufacture process simple, and are easy to operate, reduce operating difficulty, accurate positioning, and clamping is firm, is difficult for slippage, and stability is high, and is practical.Above-mentioned doublejointed compression pincers, the supporting tool using of internal fixation implant when supplying before and after symptoms such as human body lumbar vertebra compression fracture, damage, slippage, lateral bending be orthopedic are done road operative treatment.
Claims (7)
1. the doublejointed compression clamps; It is characterized in that comprising the pincers handle A (5), the pincers handle B (21) that connect with X type structure; Pincers handle A (5) front end and brace B (7), polishing head B (17), brace D (20) are connected; Pincers handle B (21) front end and brace A (11), polishing head A (14), brace C (18) are connected; Brace A (11) and brace B (7), brace C (18) and brace D (20) are respectively that X-shaped is connected and are slidingly matched with polishing head A (14), polishing head B (17), and polishing head A (14) front end is equipped with U-shaped draw-in groove A (15), and polishing head B (17) front end is equipped with U-shaped draw-in groove B (16); Pincers handle B (21) rear portion flexibly connects with location tooth bar (1) one end, and location tooth bar (1) cooperates with clamping location, pincers handle A (5) rear portion.
2. doublejointed compression as claimed in claim 1 clamps, and it is characterized in that clamping between handle A (5), the pincers handle B (21) being equipped with spring leaf A (4), spring leaf B (22), flexibly connects between spring leaf A (4), the spring leaf B (22).
3. doublejointed compression pincers as claimed in claim 1 is characterized in that brace A (11) is X-shaped with brace B (7) through screw C (10) and flexibly connects, and brace C (18) is X-shaped with brace D (20) through screw F (19) and flexibly connects.
4. doublejointed compression pincers as claimed in claim 1; It is characterized in that being provided with on the polishing head A (14) chute A (14a); Chute B (17a) is set on the polishing head B (17); Brace A (11), brace C (18) are slidingly matched through screw D (12) and chute B (17a), and brace B (7), brace D (20) are slidingly matched through screw E (13) and chute A (14a).
5. doublejointed compression pincers as claimed in claim 1; It is characterized in that clamping handle A (5) front end and brace B (7), polishing head B (17), brace D (20) through screw A (8) flexible connection, pincers handle B (21) front end and brace A (11), polishing head A (14), brace C (18) flexibly connect through screw B (9).
6. doublejointed as claimed in claim 1 compression pincers is characterized in that clamping handle A (5), pincers handle B (21) flexibly connect with X type structure through axle nail (6).
7. doublejointed compression pincers as claimed in claim 1; It is characterized in that clamping handle B (21) rear portion flexibly connects through pin (2) with location tooth bar (1) one end; Locate tooth bar (1) surface groove is set, pincers handle A (5) go up the latch of corresponding setting and this groove snap-fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202399639U CN202154741U (en) | 2011-07-08 | 2011-07-08 | Double-joint compression forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202399639U CN202154741U (en) | 2011-07-08 | 2011-07-08 | Double-joint compression forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202154741U true CN202154741U (en) | 2012-03-07 |
Family
ID=45762395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202399639U Expired - Lifetime CN202154741U (en) | 2011-07-08 | 2011-07-08 | Double-joint compression forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202154741U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108210060A (en) * | 2018-01-05 | 2018-06-29 | 中国人民解放军第四军医大学 | A kind of dual uses of nipper |
| CN109199559A (en) * | 2017-07-06 | 2019-01-15 | 北京纳通医学科技研究院有限公司 | Stick presss from both sides dilator |
| CN109276302A (en) * | 2018-09-19 | 2019-01-29 | 丁敬瑄 | A kind of orthopaedic trauma of accurate positioning is clamped with replacement and fixation |
| CN113017812A (en) * | 2021-02-26 | 2021-06-25 | 仉建国 | Broken rod connector and system |
-
2011
- 2011-07-08 CN CN2011202399639U patent/CN202154741U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199559A (en) * | 2017-07-06 | 2019-01-15 | 北京纳通医学科技研究院有限公司 | Stick presss from both sides dilator |
| CN109199559B (en) * | 2017-07-06 | 2024-05-07 | 北京纳通医疗科技控股有限公司 | Rod clamp spreader |
| CN108210060A (en) * | 2018-01-05 | 2018-06-29 | 中国人民解放军第四军医大学 | A kind of dual uses of nipper |
| WO2019134365A1 (en) * | 2018-01-05 | 2019-07-11 | 上海锐植医疗器械有限公司 | Double-purpose forceps |
| US11090074B2 (en) | 2018-01-05 | 2021-08-17 | The Fourth Military Medical University Of The Chinese People's Liberation Army | Double-purpose forceps |
| CN109276302A (en) * | 2018-09-19 | 2019-01-29 | 丁敬瑄 | A kind of orthopaedic trauma of accurate positioning is clamped with replacement and fixation |
| CN113017812A (en) * | 2021-02-26 | 2021-06-25 | 仉建国 | Broken rod connector and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG KANGCI MEDICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHEJIANG SHENTENG KANGCI BIOMEDICAL TECHNOLOGY CO., LTD. Effective date: 20120911 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310052 HANGZHOU, ZHEJIANG PROVINCE TO: 324113 QUZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120911 Address after: 324113, Huiyuan Road 20, Jiangshan cooperation zone, Jiangshan Economic Development Zone, Zhejiang, Quzhou Patentee after: Zhejiang Kangci Medical Technology Co., Ltd. Address before: 310052, No. 75, building 1, Chutian Road, Hangzhou hi tech Development Zone (Binjiang), Zhejiang, 2 Patentee before: Zhejiang Shenteng Kangci Bio-Pharmaceutical Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |
|
| CX01 | Expiry of patent term |