CN207445029U - A kind of Medical orthopaedic nail extractor - Google Patents
A kind of Medical orthopaedic nail extractor Download PDFInfo
- Publication number
- CN207445029U CN207445029U CN201720360371.XU CN201720360371U CN207445029U CN 207445029 U CN207445029 U CN 207445029U CN 201720360371 U CN201720360371 U CN 201720360371U CN 207445029 U CN207445029 U CN 207445029U
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- China
- Prior art keywords
- sleeve
- fixed column
- rotation axis
- locking nut
- utility
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- Prostheses (AREA)
Abstract
The utility model discloses a kind of Medical orthopaedic nail extractors, include handle, rotation axis, fixed column, sleeve and locking nut；The handle is fixedly connected with the top of rotation axis, the bottom of the rotation axis is fixedly connected with one end of fixed column, the other end of the fixed column is provided with internal thread, opening is vertically arranged on the side of the sleeve, the outside of the sleeve is provided with external screw thread, one end of the sleeve and the other end of fixed column are connected through a screw thread, and the outside of the sleeve is connected with locking nut；The utility model is simple in structure, design is reasonable, by sleeve and locking nut convenient for the screw at easily taking-up fracture site, fracture site is avoided to damage, reduces the pain of patient, sleeve is threadedly coupled with fixed column, if sleeve is worn, sleeve can be replaced at any time, reduces cost, improve economic benefits.
Description
Technical field
The utility model relates to the field of medical instrument technology, specifically a kind of Medical orthopaedic nail extractor.
Background technology
So-called fracture is exactly that the structure of head of phalanx or bone is broken completely or partially as its name suggests.
Fracture is a kind of common injury, and the case of surgical menopause is much millions of due to fracture every year in the whole world, interior solid
Surely it is by after the reduction of the fracture, fracture site is connected by steel plate and screw, screw is after human body is implanted into, it may occur that environment
Medium reacts and alternate stress reaction, and great pain is brought to patient, so needing to be drawn off in some specific period.
The current nail method that takes is：Metal extending part strength is clamped with pliers to rotate, and so usually damages adjacent tissue,
Or fracture site is made to damage again, bring bigger painful to patient.
Utility model content
The purpose of this utility model is that the defects of for the prior art and deficiency, provide a kind of Medical orthopaedic and take nail
Device, simple in structure, design is reasonable, by sleeve and locking nut convenient for easily taking out the screw at fracture site, avoids fracturing
Site tissue damage reduces the pain of patient.
To achieve the above object, the technical solution adopted in the utility model is：A kind of Medical orthopaedic nail extractor, includes hand
Handle, rotation axis, fixed column, sleeve and locking nut；The handle is fixedly connected with the top of rotation axis, the bottom of the rotation axis
Portion is fixedly connected with one end of fixed column, and the other end of the fixed column is provided with internal thread, vertical on the side of the sleeve
Opening is provided with, the outside of the sleeve is provided with external screw thread, and one end of the sleeve and the other end of fixed column pass through screw thread
Connection, the outside of the sleeve is connected with locking nut.
The beneficial effects of the utility model are：Simple in structure, design is reasonable, is convenient for easily taking by sleeve and locking nut
Going out the screw at fracture site, fracture site is avoided to damage, reduce the pain of patient, sleeve is threadedly coupled with fixed column, if
Sleeve is worn, and can replace sleeve at any time, reduces cost, improves economic benefits.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model；
1. handles, 2. rotation axis, 3. fixed columns, 4. sleeves, 5. locking nuts, 6. openings in figure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
The utility model is further elaborated in embodiment.It should be appreciated that the specific embodiments described herein are only used
To explain the utility model, it is not used to limit the utility model.
Referring to Fig. 1, present embodiment uses following technical scheme：A kind of Medical orthopaedic nail extractor, comprising handle 1,
Rotation axis 2, fixed column 3, sleeve 4 and locking nut 5.
The handle 1 is fixedly connected with the top of rotation axis 2, and the bottom and one end of fixed column 3 of the rotation axis 2 are fixed
Connection, the other end of the fixed column 3 are provided with internal thread, opening 6, the set are vertically arranged on the side of the sleeve 4
The outside of cylinder 4 is provided with external screw thread, and one end of the sleeve 4 and the other end of fixed column 3 are connected through a screw thread, the sleeve 4
Outside be connected with locking nut 5.
The operation principle of present embodiment：In use, holding handle 1 with hand, sleeve 4 is placed into bone and screw
Place by rotating locking nut 5, makes sleeve 4 be inserted between screw and bone, and by 4 pinching screw of sleeve, rotational handle 1 is incited somebody to action
Screw is back-outed.
The advantages of present embodiment：Simple in structure, design is reasonable, by sleeve and locking nut convenient for easily taking-up
Screw at fracture site, avoids fracture site from damaging, and reduces the pain of patient, and sleeve is threadedly coupled with fixed column, if set
Cylinder is worn, and can replace sleeve at any time, reduces cost, improves economic benefits.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that will fall containing in the equivalent requirements of the claims
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (1)
1. a kind of Medical orthopaedic nail extractor, it is characterised in that：Include handle, rotation axis, fixed column, sleeve and locking nut；Institute
It states handle to be fixedly connected with the top of rotation axis, the bottom of the rotation axis is fixedly connected with one end of fixed column, the fixation
The other end of column is provided with internal thread, and opening is vertically arranged on the side of the sleeve, and the outside of the sleeve is provided with outside
Screw thread, one end of the sleeve and the other end of fixed column are connected through a screw thread, and the outside of the sleeve is connected with locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360371.XU CN207445029U (en) | 2017-04-07 | 2017-04-07 | A kind of Medical orthopaedic nail extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360371.XU CN207445029U (en) | 2017-04-07 | 2017-04-07 | A kind of Medical orthopaedic nail extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207445029U true CN207445029U (en) | 2018-06-05 |
Family
ID=62246921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720360371.XU Expired - Fee Related CN207445029U (en) | 2017-04-07 | 2017-04-07 | A kind of Medical orthopaedic nail extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207445029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431592A (en) * | 2018-12-03 | 2019-03-08 | 廖良新 | A kind of orthopedic broken screw withdrawing device |
-
2017
- 2017-04-07 CN CN201720360371.XU patent/CN207445029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431592A (en) * | 2018-12-03 | 2019-03-08 | 廖良新 | A kind of orthopedic broken screw withdrawing 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 |
Granted publication date: 20180605 Termination date: 20200407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |