CN205054421U - Nail extractor for department of orthopaedics - Google Patents
Nail extractor for department of orthopaedics Download PDFInfo
- Publication number
- CN205054421U CN205054421U CN201520820047.2U CN201520820047U CN205054421U CN 205054421 U CN205054421 U CN 205054421U CN 201520820047 U CN201520820047 U CN 201520820047U CN 205054421 U CN205054421 U CN 205054421U
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- China
- Prior art keywords
- crossbeam
- nail
- support arm
- base
- getting
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Abstract
The utility model discloses a nail extractor for department of orthopaedics, include base, support arm, crossbeam, mounting, get the nail piece, base fixedly connected and support arm bottom, crossbeam rigid coupling and support arm top, base axis and cross beam axial line parallel arrangement, support arm axis perpendicular and base and the setting of cross beam axial line, this crossbeam sets up to rectangular cavity form, it locates on the crossbeam to get the nail piece, the mounting is located the crossbeam below, the base top, the mounting comprises fixed plate and outrigger shaft, is equipped with shape, size and the crossbeam cavity right well dead slot that matches on this fixed plate, and the screw has been offered to one end rigid coupling in the fixed plate of outrigger shaft tip, the other end, the support arm lateral part is equipped with the first spout of rectangular shape, and this first spout embeds has a lock nut, the support arm lateral part is equipped with the first spout of rectangular shape, and this first spout embeds has a lock nut. The utility model discloses simple structure, it is fast to get the nail, and the operation is stable.
Description
Technical field
Utility model belongs to orthopedic medical device field, especially relates to a kind of orthopedic nail extractor.
Background technology
Fracture is that the seriality of bone structure ruptures wholly or in part.Old people due to sclerotin comparatively loose, there is no External Force Acting, namely very easily fracturing when activities of daily living yet.And for teenager or adult, usually generally can not fracture, only when bone is subject to great External Force Acting, as: clash into, eminence falls, traffic accident etc., all can cause very large injury by boniness head, thus produce fracture.And in fracture, the fracture of articular fracture and tibial plateau is the most common, along with the development of present medical skill, the application of CT diagnosis is more and more extensive, and the diagnosis for the fracture of the tibial plateau in fracture also improves constantly along with the development of these technology.Usually be all be re-engaged by steel plate, the bone block of nail to fracture site after diagnosis, compact siro spinning technology is together again under the effect of nail for the bone block that making ruptures comes, pass through long postoperative growth afterwards, namely the bone block of fracture grows new callus, and length is combined together again.After bone ankylose, the nail hammered into before in bone will be pulled out, and manually getting in the process of nail, often because strength is too little, the misery of getting nail difficulty or increasing patient can be made.And the nail of getting of craft takes time and effort very much, and stability is lower.
Utility model content
This utility model in order to overcome the deficiencies in the prior art, provide a kind of structure simple, get the fireballing orthopedic nail extractor of nail.
To achieve these goals, this utility model is by the following technical solutions: a kind of orthopedic nail extractor, comprise base, support arm, crossbeam, fixture, get nail piece, described base affixed with support arm bottom, crossbeam is affixed with support arm top, described base axis and crossbeam axis being parallel are arranged, support arm axes normal and base and crossbeam axis are arranged, this crossbeam is set to rectangular hollow form, described nail piece of getting is located on crossbeam, described fixture is positioned at below crossbeam, above base, described fixture is made up of fixing head and outrigger shaft, this fixing head is provided with shape, the hollow groove that size and crossbeam hollow match, one end of outrigger shaft end is fixed in fixing head, the other end offers screw, described support arm sidepiece is provided with strip first chute, this first chute is built-in with a locking nut, the thread spindle of this locking nut is placed in the screw of the first chute and outrigger shaft, described nail piece of getting comprises and gets oncomelania bar, get nail slide block, motor, get ailhead, described crossbeam both sides all offer strip second chute, this is got nail slide block and tightens up that nut is mobilizable to be placed in this second chute by both sides, this is got nail its center position and is provided with tapped through hole, described oncomelania bar of getting is placed in this tapped through hole, can move up and down relative to getting nail slide block, this is got nail screw tip and is provided with cylindrical cavity, this cavity outer wall is provided with screw thread, described ailhead of getting is provided with shape, the recess that size and cavity match, this recess inwall is provided with screw thread, described cavity is placed in this recess, motor is placed in this cavity, motor bottom is connected to gets ailhead.
Further, described base upper surface is connected with pad, the upper surface of this pad is the curved concave surface in cross section, the concave surface of pad upper surface and the limbs shape of human body adapt, more comfortable when the limbs of patient are placed in pad, and also can not feel well when the fixing head on top is fixed it.
Further, described oncomelania bar top of getting is connected with handle, turning handle, both bolt rotary can be controlled by handle, screw rod is rotated in tapped through hole, thus moves up and down, after having added handle relative to getting nail slide block, increase the operations area between hands on screw rod top, make operation more simple and efficient.
Further, described handle is provided with anti-slip veins, makes controlling in the process of bolt rotary by handle, increase the frictional force before handle and hands, thus turning handle is more prone to, and the phenomenon of skidding not easily occurs.
Further, described hollow groove shape is set to fillet rectangle, fixing head is exposed while fixed limb position that needs carry out getting nail, makes to get nail more efficient.
In sum, this utility model structure is simple, gets nail by motor operation, and get nail speed soon, operating time section, alleviates the misery of patient.And slide block and fixing head all adopt nut to tighten up, getting in nail process and can not being subjected to displacement, get nail effect stability.Get nail piece to move freely in the hollow bulb of crossbeam, can after limbs of patient be fixing, in the hollow groove of fixing head, multipoint carrying out gets nail, and it is high, easy and simple to handle to get nail efficiency.And get ailhead and to get between oncomelania bar as being threaded, make getting ailhead and can taking out of bottom, what being replaced with that arbitrary operation needs gets ailhead, and convenient to operation, work efficiency is high.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is the enlarged drawing at B place in Fig. 1.
Detailed description of the invention
In order to make those skilled in the art person better understand this utility model scheme, below in conjunction with the accompanying drawing in this utility model embodiment, clear, complete description is carried out to the technical scheme in this utility model embodiment.
As shown in Figure 1 and Figure 2, a kind of orthopedic nail extractor, comprises base 1, and the upper surface of base 1 is connected with a pad 12, and pad 12 adopts the soft materials such as sponge to make, and the upper surface of pad 12 is set to the curved concave surface in cross section.The design of concave surface of pad 12 upper surface and the shape of the limbs of human body adapt, more comfortable when when making to get nail, the limbs of patient are placed in pad 12, and also can not feel well when the fixing head 41 on top is fixed it.Base 1 affixed with support arm 2 bottom, crossbeam 3 is affixed with support arm 2 top, and described base 1 axis and crossbeam 3 axis being parallel are arranged, and support arm 2 axes normal and base 1 and crossbeam 3 axis are arranged.Get nail piece 5 to comprise and get oncomelania bar 51, get nail slide block 52, motor 53 and get ailhead 54, get nail piece 5 and be located on crossbeam 3, and can move freely on crossbeam.Mainly through arranging realization as follows, the second chute 8 of two strips is offered in the both sides of crossbeam 3, get nail slide block 52 and tighten up that nut 9 is mobilizable to be placed in this second chute 8 then by both sides, thus make to get nail piece and can move on crossbeam, slide block can be fixed on assigned address during fastening nut.This central part position of getting nail slide block 52 offers a tapped through hole, gets oncomelania bar 51 and is placed in this tapped through hole, and by screw thread between the two, making to get oncomelania bar 51 can move up and down relative to getting nail slide block 52.A handle 13 is connected with on the top of getting oncomelania bar 51, turning handle 13, both can control screw rod 51 by handle 13 to rotate, screw rod 51 is rotated in tapped through hole, thus move up and down relative to getting nail slide block 52, after having added handle 13, increase the operations area between hands on screw rod 51 top, make operation more simple and efficient.And on handle 13, be provided with anti-slip veins, make, in the process being controlled screw rod 51 rotation by handle 13, increase the frictional force before handle 13 and hands, thus turning handle 13 to be more prone to, and the phenomenon of skidding not easily occurs.
The fixture 4 be made up of fixing head 41 and outrigger shaft 42 is positioned at below crossbeam 3, above base 1.Crossbeam 3 is provided with rectangular hollow bulb, and the width of rectangular hollow bulb is equal with getting the width following closely slide block 52, thus above-mentioned corresponding nail slide block 52 of getting moves in this hollow bulb.Accordingly, the fillet rectangle hollow groove 43 that the hollow bulb that fixing head 41 is also provided with shape, size and crossbeam 3 matches, after the limbs getting patient during nail are fixing by fixing head 41, the position that needs on limbs carry out getting nail can be exposed from hollow groove 43, while serving good fixed effect, make to get nail more efficient.One end of fixing head 41 is fixedly connected with an outrigger shaft 42, a wherein end of outrigger shaft 42 offers a screwed hole, the first chute 6 of a strip is then offered at the sidepiece of support arm 2, the nut of locking nut 7 is placed in the outer surface of support arm 2, thread spindle passes in the screwed hole of the first chute 6 and outrigger shaft 42, and fixing head 41 can be fixed on a certain position of support arm 2 by fastening nut.
The bottom of getting oncomelania bar 51 is provided with a cylindrical cavity 10, the outer wall of this cavity is provided with screw thread, be provided with the recess 11 that shape, size and a cavity matches getting ailhead 54 top, the inwall of this recess 11 is provided with screw thread, is connected between cavity 10 with recess 11 by screw-thread securing.And can change the ailhead 54 of getting of bottom when performing the operation.Motor 53 is placed in this cavity 10, and is connected to bottom motor 53 and gets ailhead 54.
Concrete operations are as follows:
Turn on locking nut 7, fixture 4 is moved to the first chute 6 top.After limbs being put on pad 12 Deng patient, fixing head 41 being moved down on limbs, after finding the correct position of fixed limb, tightens locking nut 7 and fixture 4 is fixed on this position, complete limbs of patient and fix.That turns on slide block 52 both sides afterwards tightens up nut 9, and moving slider 52 need get the position of nail to limbs, tightens afterwards and tightens up nut 9, makes slide block 51 be fixed on this position, can not be subjected to displacement getting in nail process.Select handle 13 to control to get oncomelania bar 51 afterwards to move down, the ailhead in limbs of patient is inserted and gets in ailhead, then electric motor starting, nail is taken out.
Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of this utility model protection.
Claims (5)
1. an orthopedic nail extractor, comprise base (1), support arm (2), crossbeam (3), fixture (4), get nail piece (5), described base (1) affixed with support arm (2) bottom, crossbeam (3) is affixed with support arm (2) top, described base (1) axis and crossbeam (3) axis being parallel are arranged, support arm (2) axes normal and base (1) and crossbeam (3) axis are arranged, this crossbeam (3) is set to rectangular hollow form, described nail piece (5) of getting is located on crossbeam (3), described fixture (4) is positioned at crossbeam (3) below, base (1) top, it is characterized in that: described fixture (4) is made up of fixing head (41) and outrigger shaft (42), this fixing head (41) is provided with shape, the hollow groove (43) that size and crossbeam (3) hollow match, one end of outrigger shaft (42) end is fixed in fixing head (41), the other end offers screw, described support arm (2) sidepiece is provided with strip first chute (6), this first chute (6) is built-in with a locking nut (7), the thread spindle of this locking nut (7) is placed in the screw of the first chute (6) and outrigger shaft (42), described nail piece (5) of getting comprises and gets oncomelania bar (51), get nail slide block (52), motor (53), get ailhead (54), described crossbeam (3) both sides all offer strip second chute (8), this is got nail slide block (52) and tightens up that nut (9) is mobilizable to be placed in this second chute (8) by both sides, this is got nail slide block (52) centre and has installed tapped through hole, described oncomelania bar (51) of getting is placed in this tapped through hole, can move up and down relative to getting nail slide block (52), this is got oncomelania bar (51) bottom and is provided with cylindrical cavity (10), this cavity outer wall is provided with screw thread, described ailhead (54) of getting is provided with shape, the recess (11) that size and cavity match, this recess (11) inwall is provided with screw thread, described cavity (10) is placed in this recess (11), motor (53) is placed in this cavity (10), motor (53) bottom is connected to gets ailhead (54).
2. orthopedic nail extractor according to claim 1, is characterized in that: described base (1) upper surface is connected with pad (12), and the upper surface of this pad (12) is the curved concave surface in cross section.
3. orthopedic nail extractor according to claim 1, is characterized in that: described in get oncomelania bar (51) top and be connected with handle (13).
4. orthopedic nail extractor according to claim 3, is characterized in that: (13) are provided with anti-slip veins with described handle.
5. orthopedic nail extractor according to claim 1, is characterized in that: described hollow groove (43) shape is set to fillet rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820047.2U CN205054421U (en) | 2015-10-23 | 2015-10-23 | Nail extractor for department of orthopaedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820047.2U CN205054421U (en) | 2015-10-23 | 2015-10-23 | Nail extractor for department of orthopaedics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205054421U true CN205054421U (en) | 2016-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520820047.2U Expired - Fee Related CN205054421U (en) | 2015-10-23 | 2015-10-23 | Nail extractor for department of orthopaedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205054421U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852959A (en) * | 2016-05-03 | 2016-08-17 | 丽水市人民医院 | Practical nail removing equipment for department of orthopedics |
| CN105997229A (en) * | 2016-05-03 | 2016-10-12 | 丽水市人民医院 | Nail removal device for orthopedics department |
| CN108635037A (en) * | 2018-07-24 | 2018-10-12 | 宁波市第六医院 | Orthopedic steel plate Hard link shaping device |
-
2015
- 2015-10-23 CN CN201520820047.2U patent/CN205054421U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852959A (en) * | 2016-05-03 | 2016-08-17 | 丽水市人民医院 | Practical nail removing equipment for department of orthopedics |
| CN105997229A (en) * | 2016-05-03 | 2016-10-12 | 丽水市人民医院 | Nail removal device for orthopedics department |
| CN108635037A (en) * | 2018-07-24 | 2018-10-12 | 宁波市第六医院 | Orthopedic steel plate Hard link shaping device |
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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 |
Granted publication date: 20160302 Termination date: 20161023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |