CN206333960U - A kind of extractor for bone-pin - Google Patents
A kind of extractor for bone-pin Download PDFInfo
- Publication number
- CN206333960U CN206333960U CN201621147963.5U CN201621147963U CN206333960U CN 206333960 U CN206333960 U CN 206333960U CN 201621147963 U CN201621147963 U CN 201621147963U CN 206333960 U CN206333960 U CN 206333960U
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- CN
- China
- Prior art keywords
- bone
- extractor
- shell body
- pin
- binding clip
- 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.)
- Expired - Fee Related
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a kind of extractor for bone-pin, it includes extractor for bone-pin shell body and jaw size adjustment disk, ball-screw is provided with the bosom position of the extractor for bone-pin shell body, the left end of the ball-screw is provided with jaw size adjusting rod, the middle position of the extractor for bone-pin shell body inner surface wall is provided with the middle position inside binding clip chute, and extractor for bone-pin shell body on the left of binding clip compounded plate and is provided with postive stop baffle on the left of binding clip chute.The utility model is scientific and reasonable for structure, it is safe and convenient to use, pivoted jaw size adjusting rod can change the size of binding clip, adapt to the taking-up of different size soket head cap screw, it need not additionally prepare the forceps of other specifications in operation, simplify operation preparation, also reduce the postoperative workload to operational tool cleaning and sterilizing, shorten operating time to a certain extent, improve the efficiency of operation.
Description
Technical field
The utility model belongs to technical field of medical instruments, and in particular to a kind of extractor for bone-pin.
Background technology
Nail is the internal fixation device part fixed for fracture site, can be applied in combination individually or with bone plate, conventional
There are cancellous bone screw, os integumentale screw, bone bolt and hollow screw etc..
Existing extractor for bone-pin is in use, diversified in specifications, it is necessary to change not due to nail nut hexagon ring
Carry out taking nail with the bone-nail removing tongs of size specification, operation needs to prepare multiple bone-nail removing tongs, changes inconvenient, process is numerous
It is trivial, change inconvenient, delay operating time, and it is postoperative need the problem of multiple bone-nail removing tongs of cleaning and sterilizing, workload increase,
For this it is proposed that a kind of extractor for bone-pin.
Utility model content
The purpose of this utility model is to provide a kind of extractor for bone-pin, to solve to propose that nail takes in above-mentioned background technology
Go out device in use, due to the diversified in specifications of nail nut hexagon ring, it is necessary to which the nail for changing different size specification takes out
Pincers are take nail, and performing the operation needs to prepare multiple bone-nail removing tongs, and tedious process changes inconvenient, delays operating time, and art
After need the problem of multiple bone-nail removing tongs of cleaning and sterilizing, workload increase.
To achieve the above object, the utility model provides following technical scheme：A kind of extractor for bone-pin, including nail take out
Ball-screw is provided with device shell body and jaw size adjustment disk, the bosom position of the extractor for bone-pin shell body,
The left end of the ball-screw is provided with jaw size adjusting rod, and ball-screw outer surface is provided with thread groove, the jaw
Size adjustment disk is arranged on ball-screw, and the left side of the extractor for bone-pin shell body is close to the right of jaw size adjusting rod
Nail rotating bar is provided with, and the middle position of extractor for bone-pin shell body inner surface wall is provided with adjustment disk chute, the bone
The middle position on the right surface of nail extractor shell body, which is provided with fixing bearing, the fixing bearing, is provided with binding clip combination
Piece, the upper left side of the binding clip compounded plate is provided with compression spring, the centre position of the extractor for bone-pin shell body inner surface wall
Place is provided with the close pincers of middle position inside binding clip chute, and extractor for bone-pin shell body on the left of binding clip compounded plate
Postive stop baffle is provided with the left of head chute.
It is preferred that, the fixing bearing is provided with three altogether, and three fixing bearings are uniformly arranged on outside extractor for bone-pin
The middle position of housing left surface.
It is preferred that, the binding clip compounded plate is provided with three altogether, and three binding clip compounded plates are separately mounted to three fixations
On bearing.
It is preferred that, the ball-screw is fixedly connected with extractor for bone-pin shell body by bearing.
It is preferred that, the extractor for bone-pin shell body is cylindrical structure.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, uses safety
Convenient, pivoted jaw size adjusting rod can change the size of binding clip, the taking-up of different size soket head cap screw be adapted to, in hand
The forceps of other specifications need not additionally be prepared during art, operation preparation is simplified, also reduced postoperative to operational tool
The workload of cleaning and sterilizing, shortens operating time to a certain extent, improves the efficiency of operation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is right view of the present utility model；
In figure：1- jaw sizes adjusting rod, 2- nails rotating bar, 3- extractor for bone-pin shell body, 4- postive stop baffles, 5- pincers
Head chute, 6- compression springs, 7- binding clips compounded plate, 8- jaw sizes adjustment disk, 9- ball-screws, 10- thread grooves, 11- are fixed
Bearing, 12- adjustment disk chutes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of technical scheme：A kind of extractor for bone-pin, including nail take out
Ball-screw 9 is provided with device shell body 3 and jaw size adjustment disk 8, the bosom position of extractor for bone-pin shell body 3,
The left end of ball-screw 9 is provided with jaw size adjusting rod 1, and the outer surface of ball-screw 9 is provided with thread groove 10, jaw size
Adjustment disk 8 is arranged on ball-screw 9, and the left side of extractor for bone-pin shell body 3 is set close to the right of jaw size adjusting rod 1
There is nail rotating bar 2, and the middle position of the inner surface wall of extractor for bone-pin shell body 3 is provided with adjustment disk chute 12, nail takes
The middle position for going out the right surface of device shell body 3 is provided with fixing bearing 11, fixing bearing 11 and is provided with binding clip compounded plate
7, the upper left side of binding clip compounded plate 7 is provided with compression spring 6, and the middle position of the inner surface wall of extractor for bone-pin shell body 3 is close
The left side of binding clip compounded plate 7 is provided with middle position inside binding clip chute 5, and extractor for bone-pin shell body 3 close to binding clip
The left side of chute 5 is provided with postive stop baffle 4.
Fixing bearing 11 is provided with three altogether, and three fixing bearings 11 are uniformly arranged on the left side of extractor for bone-pin shell body 3
The middle position on surface.Binding clip compounded plate 7 is provided with three altogether, and three binding clip compounded plates 7 are separately mounted to three fixations
On bearing 11.Ball-screw 9 is fixedly connected with extractor for bone-pin shell body 3 by bearing.Extractor for bone-pin shell body 3 is cylinder
Body structure.
Using ball, the scooping from the groove of screw axis enters after bend pipe ball-screw 9 in the utility model, returns
In groove, Infinite Cyclic motion is done, lead screw shaft is rotated, nut will turn with the rotational angle of screw mandrel according to the helical pitch of corresponding specification
Chemical conversion linear motion.
Operation principle of the present utility model and use flow：After the utility model is installed, jaw is rotated counterclockwise big
Ditty pole 1, ball-screw 9 promotes jaw size adjustment disk 8 to move right, and binding clip compounded plate 7 is moved inward, and jaw reduces,
Binding clip is aligned to the interior hexagonal (hexagon)nut of nail, jaw size adjusting rod 1 is rotated clockwise, jaw size adjustment disk 8 is moved to the left,
Compression spring 6 recovers deformation, and binding clip compounded plate 7 is pressed down, jaw is slowly opened, binding clip compounded plate 7 is slowly close to interior hexagonal
Nut inwall, when jaw size adjusting rod 1 can not be rotated, rotates nail rotating bar 2, slowly screws out nail, right after the completion of operation
Extractor for bone-pin carries out cleaning and sterilizing.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of extractor for bone-pin, including extractor for bone-pin shell body (3) and jaw size adjustment disk (8), it is characterised in that：Institute
Ball-screw (9), the left end of the ball-screw (9) are provided with the bosom position for stating extractor for bone-pin shell body (3)
Jaw size adjusting rod (1) is provided with, and ball-screw (9) outer surface is provided with thread groove (10), the jaw size regulation
Disk (8) is arranged on ball-screw (9), and the left side of the extractor for bone-pin shell body (3) is close to jaw size adjusting rod (1)
Right is provided with nail rotating bar (2), and the middle position of extractor for bone-pin shell body (3) inner surface wall is provided with adjustment disk cunning
Groove (12), the middle position on the right surface of the extractor for bone-pin shell body (3) is provided with fixing bearing (11), the fixation
Binding clip compounded plate (7) is provided with bearing (11), the upper left side of the binding clip compounded plate (7) is provided with compression spring (6), described
The middle position of extractor for bone-pin shell body (3) inner surface wall is provided with binding clip chute on the left of binding clip compounded plate (7)
, and the internal middle position of extractor for bone-pin shell body (3) is provided with postive stop baffle on the left of binding clip chute (5) (5)
(4)。
2. a kind of extractor for bone-pin according to claim 1, it is characterised in that：The fixing bearing (11) is provided with three altogether
It is individual, and three fixing bearings (11) are uniformly arranged on the middle position of extractor for bone-pin shell body (3) left surface.
3. a kind of extractor for bone-pin according to claim 1, it is characterised in that：The binding clip compounded plate (7) is provided with altogether
Three, and three binding clip compounded plates (7) are separately mounted on three fixing bearings (11).
4. a kind of extractor for bone-pin according to claim 1, it is characterised in that：The ball-screw (9) is taken out with nail
Device shell body (3) is fixedly connected by bearing.
5. a kind of extractor for bone-pin according to claim 1, it is characterised in that：The extractor for bone-pin shell body (3) is
Cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621147963.5U CN206333960U (en) | 2016-10-13 | 2016-10-13 | A kind of extractor for bone-pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621147963.5U CN206333960U (en) | 2016-10-13 | 2016-10-13 | A kind of extractor for bone-pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206333960U true CN206333960U (en) | 2017-07-18 |
Family
ID=59300262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621147963.5U Expired - Fee Related CN206333960U (en) | 2016-10-13 | 2016-10-13 | A kind of extractor for bone-pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206333960U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814706A (en) * | 2018-05-18 | 2018-11-16 | 奚修全 | Multifunctional screwdriver for orthopedics department |
| CN109199567A (en) * | 2018-10-29 | 2019-01-15 | 于跃强 | A kind of extractor for bone-pin for four limbs |
| CN110226964A (en) * | 2019-07-09 | 2019-09-13 | 王海涛 | A kind of disassembly skeletal fixation instrument screw extractor |
| CN111467024A (en) * | 2020-04-16 | 2020-07-31 | 河南省洛阳正骨医院（河南省骨科医院） | Portable orthopedics nail taking device |
-
2016
- 2016-10-13 CN CN201621147963.5U patent/CN206333960U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814706A (en) * | 2018-05-18 | 2018-11-16 | 奚修全 | Multifunctional screwdriver for orthopedics department |
| CN109199567A (en) * | 2018-10-29 | 2019-01-15 | 于跃强 | A kind of extractor for bone-pin for four limbs |
| CN110226964A (en) * | 2019-07-09 | 2019-09-13 | 王海涛 | A kind of disassembly skeletal fixation instrument screw extractor |
| CN111467024A (en) * | 2020-04-16 | 2020-07-31 | 河南省洛阳正骨医院（河南省骨科医院） | Portable orthopedics nail taking device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20181013 |