CN207886227U - A kind of medical holdfast - Google Patents
A kind of medical holdfast Download PDFInfo
- Publication number
- CN207886227U CN207886227U CN201720675534.3U CN201720675534U CN207886227U CN 207886227 U CN207886227 U CN 207886227U CN 201720675534 U CN201720675534 U CN 201720675534U CN 207886227 U CN207886227 U CN 207886227U
- Authority
- CN
- China
- Prior art keywords
- post
- thread
- hole
- holdfast
- sclerotin
- 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 holdfasts, axial tooth socket is offered on thread in first post and the second post of the utility model, also alveolus is equipped with the reverse pawl of thread, after the holdfast puts into sclerotin, sclerotin can be trapped into tooth socket, pawl can be wrapped simultaneously, such holdfast easily will not fall off from sclerotin.The utility model clamps using auxiliary tool the bolt block at the top of the second post in the process for putting into sclerotin can be come the second post of spiral, first post is fixed on the tail portion of the second post, such first post slowly enters in sclerotin by thread thereon, and the through-hole on the bolt block can be used to thread use with threading hole perforation.Compact-sized, the problem of can solve existing holdfast loose or dislocation of the utility model.
Description
Technical field
The utility model is related to medical instrument, especially a kind of medical holdfast.
Background technology
Holdfast reconnects soft tissue and bone clinically by suture, and holdfast is embedded to stationary burst tendon group in sclerotin
It knits, to achieve the purpose that tendon-bone healing.The more Titaniums of material of existing holdfast, stabilized metal is stronger, the capacitive with tissue
Also preferably, and Titanium has sufficiently large intensity.The fixed form of existing holdfast is all made of thread and screws in sclerotin, but due to
The structure of the holdfast is shorter, and all number of turns of thread are less, holdfast can be caused fixed insecure in sclerotin, holdfast is in external force
It is easier to loosen under traction.With regard to problem above, the technical solution of the utility model is a kind of holdfast for preventing from loosening, and simultaneously should
The material of holdfast is degradation material.
Utility model content
The purpose of this utility model is to provide a kind of medical holdfast, axial tooth socket is offered on the thread of the holdfast,
Pawl is equipped in alveolus simultaneously, it is not in loosen phenomenon to fix after holdfast.
What the technical solution of the utility model was realized in：A kind of medical holdfast includes the first post and the second nail
Column, wherein second post can be mounted in the first post；The top of second post is equipped with bolt block, on the bolt block
Equipped with connecting hole；First post and the second post are equipped with threading hole along center respectively；First post and the second post
On be respectively equipped with the thread of identical rotation direction, and the thread in the first post is excessively connect with the thread in the second post, the phase
It is alveolus between adjacent thread；The tail portion of first post and the second post is respectively equipped with taper head, is opened up on the taper head
There is external screw thread；The taper head is radially equipped with threading hole, and the threading hole is penetrated through with through-hole；It is opened at the top of first post
There is stepped hole, internal thread is equipped in the stepped hole, the taper head of second post can be put in the stepped hole of the first post,
Realization connection is matched with the internal thread of stepped hole by the external screw thread on taper head；The thread of first post and the second post
Upper edge threading hole is axially arranged with tooth socket；In the alveolus of first post and the second post along threading hole be axially arranged with and spiral shell
The reverse pawl of tooth；Court is externally provided with the hangnail reverse with thread respectively on the thread of first post and the second post.
Further have, the hangnail is distributed in along average 90 ° of the circumferential direction of thread on thread.
Further have, the complete number of turns of the thread of first post is no less than two circles.
Further have, the complete number of turns of the thread of second post is no less than four circles.
Above-mentioned technical proposal is used, the beneficial effects of the utility model are：
Axial tooth socket is offered on thread in first post and the second post of the utility model, is also set on alveolus
There is the pawl that thread is reverse, after the holdfast puts into sclerotin, sclerotin can be trapped into tooth socket, while can wrap pawl, such anchor
Nail easily will not fall off from sclerotin.The utility model clamps the second post in the process for putting into sclerotin using auxiliary tool
The bolt block at top can carry out the second post of spiral, and the first post is fixed on the tail portion of the second post, and such first post relies on it
On thread slowly enter in sclerotin, through-hole on the bolt block can be used to thread use with threading hole perforation.The utility model
It is compact-sized, the problem of can solve existing holdfast loose or dislocation.
Description of the drawings
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, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cut-away illustration of the utility model；
Fig. 3 is first post and the second post fractionation structural representation of the utility model；
Wherein：1. the first post, 2. second posts, 3. bolt blocks, 4. connecting holes, 5. through-holes, 6. threads, 7. alveolus, 8. cones
Spend head, 9. external screw threads, 10. threading holes, 11. stepped holes, 12. internal threads, 13. tooth sockets, 14. pawls, 15. hangnails.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of medical holdfast includes the first post 1 and the second post 2, wherein described
Second post 2 can be mounted in the first post 1；The top of second post 2 is equipped with bolt block 3, and the bolt block 3 is equipped with connection
Hole 4；First post, 1 and second post 2 is equipped with threading hole 10 along center respectively；In first post, 1 and second post 2
It is respectively equipped with the thread 6 of identical rotation direction, and the thread 6 in the first post 1 is excessively connect with the thread 6 in the second post 2, it is described
It is alveolus 7 between adjacent thread 6；The tail portion of first post, 1 and second post 2 is respectively equipped with taper head 8, the taper head
External screw thread 9 is offered on 8；The taper head 8 is radially equipped with threading hole 10, and the threading hole 10 is penetrated through with through-hole 5；Described
The top of one post 1 is provided with stepped hole 11, and internal thread 12, the taper head 8 of second post 2 are equipped in the stepped hole 11
It can put in the stepped hole 11 of the first post 1, reality is matched with the internal thread 11 of stepped hole 11 by the external screw thread 9 on taper head 8
Now connect；The 6 upper edge threading hole 10 of thread of first post, 1 and second post 2 is axially arranged with tooth socket 13；First nail
It is axially arranged with the pawl 14 reverse with thread 6 along threading hole 10 in column 1 and the alveolus 7 of the second post 2；First post 1
With on the thread 6 of the second post 2 respectively towards being externally provided with the hangnail 15 reverse with thread 6.
The hangnail 15 of the present embodiment is distributed in along average 90 ° of the circumferential direction of thread 6 on thread 6, and hangnail 15 is on the periphery of thread 6
It is evenly distributed, holdfast can be prevented to be not easy to loosen in being fixed on sclerotin in this way.
The complete number of turns of the thread 6 of first post 1 of the present embodiment is no less than two circles, especially can during minor operation
So that the first post 1 is nuzzled in sclerotin, can go the second post 2 of dismantling, such second post 2 that can use for second after rehabilitation.This
The complete number of turns of the thread of second post 2 of embodiment is no less than four circles, is used for second especially after the dismounting of the second post 2
When, the four complete threads of circle can be preferably fixed in sclerotin.
Axial tooth socket 13 is offered on thread 6 in first post 1 and the second post 2 of the utility model, in alveolus 7
It is equipped with the reverse pawl 14 of thread 6, is equipped with hangnail 15 on the periphery of thread 6, after the holdfast puts into sclerotin, sclerotin can be trapped into
In tooth socket 13, while pawl 14 and hangnail 15 can be wrapped, such holdfast easily will not fall off from sclerotin.This practicality is new
Type the process for putting into sclerotin using auxiliary tool clamp the top of the second post 2 bolt block 3 can come the second post of spiral 2, the
One post 1 is fixed on the tail portion of the second post 2, and such first post 1 slowly enters in sclerotin by thread 6 thereon, the bolt
Through-hole 5 on block 3 can be used to thread use with the perforation of threading hole 10.The utility model it is compact-sized, can solve existing
There is the problem of holdfast loose or dislocation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of medical holdfast, which is characterized in that include the first post (1) and the second post (2), wherein second nail
Column (2) can be mounted in the first post (1)；The top of second post (2) is equipped with bolt block (3), and the bolt block (3) is equipped with
Connecting hole (4)；First post (1) and the second post (2) are equipped with through-hole (5) along center respectively；First post (1) and
The thread (6) of identical rotation direction, and the thread (6) in the first post (1) and the second post (2) are respectively equipped in second post (2)
On thread (6) excessively connect, be alveolus (7) between the adjacent thread (6)；First post (1) and the second post (2)
Bottom be respectively equipped with taper head (8), the taper head (8) is equipped with external screw thread (9)；The taper head (8) is radially equipped with
Threading hole (10), the threading hole (10) penetrate through with through-hole (5)；It is provided with stepped hole (11), institute at the top of first post (1)
It states and is equipped with internal thread (12) in stepped hole (11), the taper head (8) of second post (2) can put in the platform of the first post (1)
In rank hole (11), realization connection is matched with the internal thread (12) of stepped hole (11) by the external screw thread (9) on taper head (8)；Institute
That states thread (6) the upper edge threading hole (10) of the first post (1) and the second post (2) is axially arranged with tooth socket (13)；Described first
Being axially arranged with and the reverse pawl (14) of thread (6) along threading hole (10) in the alveolus (7) of post (1) and the second post (2)；
Court is externally provided with and the reverse hangnail (15) of thread (6) respectively on the thread (6) of first post (1) and the second post (2).
2. a kind of medical holdfast according to claim 1, which is characterized in that circumferential direction of the hangnail (15) along thread (6)
Average 90 ° are distributed on thread (6).
3. a kind of medical holdfast according to claim 1, which is characterized in that the thread (6) of first post (1) it is complete
Number of full circle is no less than two circles.
4. a kind of medical holdfast according to claim 1, which is characterized in that the thread (6) of second post (2) it is complete
Number of full circle is no less than four circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720675534.3U CN207886227U (en) | 2017-06-09 | 2017-06-09 | A kind of medical holdfast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720675534.3U CN207886227U (en) | 2017-06-09 | 2017-06-09 | A kind of medical holdfast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207886227U true CN207886227U (en) | 2018-09-21 |
Family
ID=63547101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720675534.3U Expired - Fee Related CN207886227U (en) | 2017-06-09 | 2017-06-09 | A kind of medical holdfast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207886227U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3689259A1 (en) * | 2019-02-04 | 2020-08-05 | Smith & Nephew, Inc. | Suture anchor assemblies |
| WO2022236990A1 (en) * | 2021-05-10 | 2022-11-17 | 北京德益达美医疗科技有限公司 | Line-leading anchor screw |
| CN117204934A (en) * | 2023-11-09 | 2023-12-12 | 北京天星医疗股份有限公司 | Multifunctional anchor nail |
-
2017
- 2017-06-09 CN CN201720675534.3U patent/CN207886227U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3689259A1 (en) * | 2019-02-04 | 2020-08-05 | Smith & Nephew, Inc. | Suture anchor assemblies |
| US11266397B2 (en) | 2019-02-04 | 2022-03-08 | Smith & Nephew, Inc. | Suture anchor assemblies and methods of use thereof |
| WO2022236990A1 (en) * | 2021-05-10 | 2022-11-17 | 北京德益达美医疗科技有限公司 | Line-leading anchor screw |
| CN117204934A (en) * | 2023-11-09 | 2023-12-12 | 北京天星医疗股份有限公司 | Multifunctional anchor nail |
| CN117204934B (en) * | 2023-11-09 | 2024-01-26 | 北京天星医疗股份有限公司 | Multifunctional anchor nail |
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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: 20180921 Termination date: 20200609 |