CN206700211U - A kind of Medical orthopaedic pressure release screw - Google Patents
A kind of Medical orthopaedic pressure release screw Download PDFInfo
- Publication number
- CN206700211U CN206700211U CN201621371928.1U CN201621371928U CN206700211U CN 206700211 U CN206700211 U CN 206700211U CN 201621371928 U CN201621371928 U CN 201621371928U CN 206700211 U CN206700211 U CN 206700211U
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- CN
- China
- Prior art keywords
- ailhead
- screw body
- screw
- screw thread
- external screw
- 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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Abstract
The utility model discloses a kind of Medical orthopaedic pressure release screw, including ailhead and screw body, the ailhead is welded on screw body top, the ailhead is handstand taper, the ailhead side wall is provided with the first external screw thread, the ailhead top end face center is provided with cross recess, the ailhead top is installed with six side sleeves, the screw body includes non-threaded smooth shaft, it is inverted external screw thread, second external screw thread and self tapping groove, the non-threaded smooth shaft is arranged on screw body top, the inversion external screw thread is arranged in the middle part of screw body, second external screw thread is arranged on screw body bottom, the self tapping groove is arranged on screw body bottom, the screw body side wall is provided with V-shaped valley.The utility model is Medical orthopaedic pressure release screw, can be quickly implanted into, and can mitigate the pain of sufferer, simple and practical.
Description
Technical field
Medicine equipment applied technical field is the utility model is related to, specially a kind of Medical orthopaedic pressure release screw.
Background technology
In hospital orthopedics, fracture patient is most common, is generally exactly using in trip bolt progress to fracture patient
Fixed, trip bolt is the skeletal fixation device commonly used in bone surgery, deficiency existing for this trip bolt used at present
It is during screw is twisted, screw tip and extruding force caused by bone-contact, huge pain to be brought to patient how
Enough quickly stubborn screws, shorten the painful time of patient, design here produces a kind of Medical orthopaedic pressure release screw, for being easy to make
With.
Utility model content
The purpose of this utility model is to provide a kind of Medical orthopaedic pressure release screw, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical scheme：A kind of Medical orthopaedic pressure release screw, including
Ailhead and screw body, the ailhead are welded on screw body top, and the ailhead is handstand taper, in the ailhead top end face
The heart is provided with cross recess, and the ailhead top is installed with six side sleeves, and the screw body includes non-threaded smooth shaft, is inverted
External screw thread, the second external screw thread and self tapping groove, the non-threaded smooth shaft are arranged on screw body top, and the inversion external screw thread is set
Put in the middle part of screw body, second external screw thread is arranged on screw body bottom, and the self tapping groove is arranged on screw body bottom
End, the screw body side wall are provided with V-shaped valley.
Preferably, the ailhead side wall is provided with the first external screw thread, and first external screw thread is fitted with medical steel plate screw hole
Match somebody with somebody.
Preferably, the six sides sleeve bottom end diameter is identical with ailhead top end face diameter.
Compared with prior art, the beneficial effects of the utility model are：The utility model is Medical orthopaedic pressure release screw,
By six side sleeves and cross recess can rotary screw body, be not limited to a kind of operation instrument, ailhead side wall first outside
Screw thread can be adapted to medical steel plate screw hole, and the design of non-threaded smooth shaft can form a motion with near-end cortex and cover,
Fine motion parallel between bone piece is realized, external screw thread is inverted and is easy to postoperative taking-up, the second external screw thread can be by distal cortex bone thread
Offside cortex of bone is firmly held, self tapping groove can be easy to screw body to be implanted into, and V-shaped valley be able to can reduce during rotation
The contact squeeze pressure of screw body and bone, and the pain of sufferer can be mitigated, it is simple and practical.
Brief description of the drawings
Fig. 1 is the utility model agent structure schematic diagram；
Fig. 2 is the utility model partial structural diagram.
In figure：1 six side sleeves, 2 first external screw threads, 21 cross recesses, 3 ailheads, 4 screw bodies, 41 non-threaded smooth shafts, 42
It is inverted external screw thread, 43 second external screw threads, 44 self tapping grooves, 5V word grooves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, 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, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of Medical orthopaedic pressure release screw, including nail
First 3 and screw body 4, the ailhead 3 is welded on the top of screw body 4, and the ailhead 3 is handstand taper, the side wall of ailhead 3
The first external screw thread 2 is provided with, first external screw thread 2 is adapted to medical steel plate screw hole, and the top end face center of ailhead 3 is provided with
Cross recess 21, the top of ailhead 3 are installed with six side sleeves 1, can rotate spiral shell by the side sleeve 1 of cross recess 21 and six
Body 4 is followed closely, is not limited to a kind of operation instrument, the bottom diameter of six side sleeve 1 is identical with the top end face diameter of ailhead 3, described
Screw body 4 includes non-threaded smooth shaft 41, is inverted external screw thread 42, the second external screw thread 43 and self tapping groove 44, the non-threaded light
Slide bar 41 is arranged on the top of screw body 4, and the design of non-threaded smooth shaft 41 can form a motion with near-end cortex and cover, real
The now parallel fine motion between bone piece, the inversion external screw thread 42 are arranged on the middle part of screw body 4, and inversion external screw thread 42 is easy to postoperative
Take out, second external screw thread 43 is arranged on the bottom of screw body 4, and the second external screw thread 43 can be firm by distal cortex bone thread
Offside cortex of bone is held, the self tapping groove 44 is arranged on the bottom of screw body 4, and self tapping groove 44 can be easy to screw body 4 to be implanted into, institute
State the side wall of screw body 4 and be provided with V-shaped valley 5, V-shaped valley 5 can be during rotation, can be compared with Screw body 4 and bone
Contact squeeze pressure, reduce the pain of patient.
Operation principle：In use, by six side sleeves 1 and cross recess 21 can rotary screw body 4, be not limited to one
Kind operation instrument, the first external screw thread 2 of the side wall of ailhead 3 can be adapted to medical steel plate screw hole, and non-threaded smooth shaft 41 is set
Meter can form a motion with near-end cortex and cover, and realize fine motion parallel between bone piece, be inverted external screw thread 42 and be easy to postoperative take
Go out, the second external screw thread 43 can firmly hold distal cortex bone thread offside cortex of bone, and self tapping groove 44 can be easy to screw body 4
Implantation, V-shaped valley 5 can reduce the pressure of screw body 4 and the contact squeeze of bone during rotation, and can subtract
The pain that hypopathia is suffered from.
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 with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of Medical orthopaedic pressure release screw, including ailhead (3) and screw body (4), it is characterised in that：The ailhead (3)
Screw body (4) top is welded on, the ailhead (3) is handstand taper, and ailhead (3) the top end face center is provided with cross recess
(21), ailhead (3) top is installed with six side sleeves (1), and the screw body (4) includes non-threaded smooth shaft
(41) external screw thread (42), the second external screw thread (43) and self tapping groove (44), the non-threaded smooth shaft (41), are inverted and is arranged on screw
Body (4) top, the inversion external screw thread (42) are arranged in the middle part of screw body (4), and second external screw thread (43) is arranged on
Screw body (4) bottom, the self tapping groove (44) are arranged on screw body (4) bottom, and screw body (4) side wall is provided with V
Word groove (5).
A kind of 2. Medical orthopaedic pressure release screw according to claim 1, it is characterised in that：Ailhead (3) side wall is set
The first external screw thread (2) is equipped with, first external screw thread (2) is adapted to medical steel plate screw hole.
A kind of 3. Medical orthopaedic pressure release screw according to claim 1, it is characterised in that：Six side sleeve (1) bottom
Hold diameter identical with ailhead (3) top end face diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621371928.1U CN206700211U (en) | 2016-12-14 | 2016-12-14 | A kind of Medical orthopaedic pressure release screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621371928.1U CN206700211U (en) | 2016-12-14 | 2016-12-14 | A kind of Medical orthopaedic pressure release screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206700211U true CN206700211U (en) | 2017-12-05 |
Family
ID=60471400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621371928.1U Expired - Fee Related CN206700211U (en) | 2016-12-14 | 2016-12-14 | A kind of Medical orthopaedic pressure release screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206700211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108703796A (en) * | 2018-06-08 | 2018-10-26 | 创美得医疗器械（天津）有限公司 | Explosion-proof compressive hollow screw without a head |
-
2016
- 2016-12-14 CN CN201621371928.1U patent/CN206700211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108703796A (en) * | 2018-06-08 | 2018-10-26 | 创美得医疗器械（天津）有限公司 | Explosion-proof compressive hollow screw without a head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190125 Address after: 300 000 north of Guotai Road, Daqichang Town, Wuqing District, Tianjin Patentee after: Tianjin Kanger Medical Devices Co., Ltd. Address before: 301700 North of Guotai Road, Daqichang Town, Wuqing District, Tianjin Patentee before: Tianjin Kanglier Biotechnology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20191214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |