CN117204934A - Multifunctional anchor nail - Google Patents
Multifunctional anchor nail Download PDFInfo
- Publication number
- CN117204934A CN117204934A CN202311483242.6A CN202311483242A CN117204934A CN 117204934 A CN117204934 A CN 117204934A CN 202311483242 A CN202311483242 A CN 202311483242A CN 117204934 A CN117204934 A CN 117204934A
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- threading
- internal thread
- anchor
- nail
- internal
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 241000587161 Gomphocarpus Species 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 239000002861 polymer material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 7
- 238000012545 processing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Abstract
The invention relates to the field of medical instruments, in particular to a multifunctional anchor. The multifunctional anchor comprises a nail body and a threading body; the outer wall of the nail body is provided with a retaining structure, the nail body is provided with through holes penetrating through two ends, the tail ends of the through holes are respectively provided with first internal threads, and the nail head ends of the through holes are provided with second internal threads; the threading body is provided with external threads matched with the first internal threads or the second internal threads, and the end part of the threading body is provided with a threading hole; the first internal thread and the second internal thread have the same parameters. The embodiment of the invention has the beneficial effects that: the threading body is in threaded connection with the nail body, and the suture is connected to the threading body, so that the wire arrangement is more flexible during outer arrangement in the process of using the joint anchor, the complexity during inner arrangement is reduced, and the high polymer material is convenient to fill.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a multifunctional anchor.
Background
The joint anchor is commonly used for fixing orthopedic implants in clinic, is commonly used for fixing internal fracture or dislocation, and is used for fixing fracture by directly screwing into two different bone blocks or fixing bone plates and other implants, positioning bones and promoting healing of the bones. The joint anchor has wide application range, and the action parts comprise large areas such as shoulders, elbows, hips, knees, spines and the like.
The existing joint anchor pin arranging mode is relatively fixed and is not easy to change; the inner row anchor has complex structure and high injection molding and filling difficulty of high polymer materials.
Disclosure of Invention
The invention aims to provide a multifunctional anchor which can be used for arranging wires more flexibly.
Embodiments of the present invention are implemented as follows:
the invention provides a multifunctional anchor, which comprises a nail body and a threading body;
the outer wall of the nail body is provided with a retaining structure, the nail body is provided with through holes penetrating through two ends, the tail ends of the through holes are respectively provided with first internal threads, and the nail head ends of the through holes are provided with second internal threads;
the threading body is provided with external threads matched with the first internal threads or the second internal threads, and the end part of the threading body is provided with a threading hole;
the first internal thread and the second internal thread have the same parameters.
In an alternative embodiment, the threading body is disposed in the nail body by threaded connection of the external thread and the first internal thread, and the threading hole is at an end far from the second internal thread.
In an alternative embodiment, the threading body is disposed in the nail body by threaded connection of the external thread and the second internal thread, and the threading hole is at one end near the first internal thread.
In an alternative embodiment, the threading body is disposed in the nail body by threaded connection of the external thread and the second internal thread, and the threading hole is at an end far from the first internal thread.
In an alternative embodiment, the retaining structure is a barb, a frustum, or an external thread.
In an alternative embodiment, the threading body comprises a connecting part, a threading part and a driving part;
the connecting part is a cylinder, and the external thread is arranged on the outer wall of the connecting part;
the threading part and the driving part are respectively arranged at two opposite ends of the connecting part;
the threading hole is arranged on the threading part;
the driving part is used for driving the connecting part to be in threaded connection with the nail body through power connection.
In an alternative embodiment, the threading part is in a semicircular plate-shaped structure, and the threading holes penetrate through two opposite plate surfaces of the threading part.
In an alternative embodiment, the threading portion is the same shape as the driving portion.
In an alternative embodiment, both ends of the threading hole are provided with chamfers.
In an alternative embodiment, the effective length of the first internal thread and the effective length of the second internal thread are both greater than the effective length of the external thread, so that the threading body can completely enter the through hole.
The embodiment of the invention has the beneficial effects that:
the threading body is in threaded connection with the nail body, and the suture is connected to the threading body, so that the wire arrangement is more flexible during outer arrangement in the process of using the joint anchor, the complexity during inner arrangement is reduced, and the high polymer material is convenient to fill.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a multifunctional anchor according to a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of a multi-functional anchor according to a second embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of a multi-functional anchor according to a third embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of FIG. 5;
FIG. 7 is a schematic view of the structure of a shank of a multifunctional anchor according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of FIG. 7;
FIG. 9 is a schematic view of a threading body of a multifunctional anchor according to an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view of the suture carried by the anchor of FIG. 1
FIG. 11 is a schematic cross-sectional view of the suture carried by the anchor of FIG. 4
Fig. 12 is a schematic cross-sectional view of the suture carried by the anchor of fig. 6.
Icon: 1-a nail body; 2-threading body; 3-threading holes; 4-through holes; 5-a backstop structure; 6-first internal threads; 7-a second internal thread; 8-external threads; 9-suture.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to fig. 1 to 12. The following embodiments and features of the embodiments may be combined with each other without conflict.
The invention provides a multifunctional anchor, which comprises a nail body 1 and a threading body 2; the outer wall of the nail body 1 is provided with a retaining structure 5, the nail body 1 is provided with through holes 4 penetrating through two ends, the tail ends of the through holes 4 are respectively provided with first internal threads 6, and the head ends of the through holes 4 are provided with second internal threads 7; the threading body 2 is provided with an external thread 8 matched with the first internal thread 6 or the second internal thread 7, and the end part of the threading body 2 is provided with a threading hole 3; the first internal thread 6 and the second internal thread 7 have the same parameters.
In this embodiment, through dividing into nail body 1 and threading body 2 two parts with the anchor, threading body 2 passes through threaded connection and sets up in nail body 1, and the setting mode is comparatively nimble, and establishes nail body 1 and threading body 2 as independent part, and it can more convenient processing.
Specifically, in this embodiment, one end of the suture 9 passes through the threading hole 3 and then is bound, so that the suture 9 can be fixed on the threading body 2.
In the present embodiment, the threading body 2 is screwed with the first internal thread 6 or the second internal thread 7, thereby realizing different functions. The specific modes of specific arrangement are as follows:
first kind: in an alternative embodiment, the threading body 2 is arranged in the nail body 1 by means of a threaded connection of the external thread 8 with the first internal thread 6, and the threading hole 3 is at an end remote from the second internal thread 7.
Specifically, in this embodiment, the external thread 8 of the threading body 2 is screwed with the first internal thread 6, and the threading hole 3 is provided at one end near the tail end of the nail, that is, the nail body 1, the threading body 2 and the suture 9 are sequentially provided and sequentially connected.
In this embodiment, this arrangement can be used as a labral anchor.
In the use process, the inserter is matched with the retaining structure 5 of the nail body 1, the suture 9 carried by the anchor nail is threaded through the threading hole 3, the corresponding pre-drilled hole is drilled, the anchor nail is further led into a bone canal by knocking the inserter, the handle of the inserter is carefully held after the suture 9 is loosened from the inserter, and after the inserter is slowly removed from the insertion position, the suture 9 can be used for suturing soft tissues.
Second kind: in an alternative embodiment, the threading body 2 is arranged in the nail body 1 by the threaded connection of the external thread 8 and the second internal thread 7, and the threading hole 3 is arranged at one end close to the first internal thread 6.
In this embodiment, the external thread 8 of the threading body 2 is in threaded connection with the second internal thread 7, and the threading hole 3 is arranged in the nail body 1, and the suture 9 passes through the nail body 1 after being fixedly connected with the threading body 2 through the threading hole 3, and extends out from the nail tail end of the nail body 1.
In this embodiment, this arrangement may be used as an inner row anchor.
In the use process, the inserter is matched with the retaining structure 5 of the nail body 1, the suture 9 carried by the anchor nail is threaded through the threading hole 3, the corresponding pre-drilled hole is drilled, the anchor nail is further led into the bone canal by knocking the inserter, the handle of the inserter is carefully held after the suture 9 is loosened from the inserter, and after the inserter is slowly removed from the insertion position, the suture 9 can be used for suturing soft tissues.
Third kind: in an alternative embodiment, the threading body 2 is arranged in the nail body 1 by means of a threaded connection of the external thread 8 and the second internal thread 7, and the threading hole 3 is arranged at one end far from the first internal thread 6.
In this embodiment, the external thread 8 of the threading body 2 is in threaded connection with the second internal thread 7, and the threading hole 3 is disposed outside the nail body 1, and the suture 9 extends from the outside of the nail body 1 to the nail tail end direction of the nail body 1 after being fixedly connected with the threading body 2 through the threading hole 3.
In this embodiment, this arrangement may be used as an off-line anchor.
In the use process, the inserter is matched with the retaining structure 5 of the nail body 1, the suture 9 carried by the labrum anchor and the inner row anchor is penetrated into the threading hole 3 of the outer row anchor, the threading body 2 is implanted into the pre-drilled hole, the tension of the suture 9 is adjusted, and then the nail body 1 is knocked in, so that the knotting-free extrusion fixation is realized.
In an alternative embodiment, the retaining structure 5 is a barb, a frustum, or an external thread 8.
It should be noted that, there are many ways to provide the retaining structure 5, which may be provided as barbs, a frustum or an external thread 8, but it is not limited to the above ways, as long as it can play a retaining role on the nail body 1.
In the present embodiment, the backstop 5 may also be provided in the form of an external thread 8.
Specifically, in this embodiment, the external thread 8 is disposed on the outer wall of the nail body 1, and parameters such as a screw direction, a screw pitch, and a tooth height of the external thread 8 may be set according to an actual size of the nail body 1.
More specifically, in the present embodiment, in the arrangement of the external thread 8, it is necessary to increase the surface roughness of the shank 1 without decreasing the strength of the shank 1, thereby increasing the connection strength between the shank 1 and the bone and improving the use effect of the multifunctional anchor.
It should be noted that the retaining structure 5 may be configured as several structures described above, but is not limited to the above structures, and may be configured in other manners as long as it can play a retaining role.
In an alternative embodiment, the threading body 2 comprises a connecting part, a threading part and a driving part; the connecting part is a cylinder, and the external thread 8 is arranged on the outer wall of the connecting part; the threading part and the driving part are respectively arranged at two opposite ends of the connecting part; the threading hole 3 is arranged on the threading part; the driving part is used for driving the connecting part to be in threaded connection with the nail body 1 through power connection.
In this embodiment, the threading body 2 is divided into three parts, namely a connecting part of a middle part, and threading parts and driving parts at two ends of the connecting part.
In this embodiment, the external thread 8 is provided on the outer wall of the connecting portion, and the threading body 2 is connected with the nail body 1 through the connecting portion.
In this embodiment, the threading hole 3 is provided on the threading portion, and the hole axis direction of the threading hole 3 is perpendicular to the axis of the connecting portion, so that the urging force of the threading body 2 to the suture 9 can be increased.
In this embodiment, the driving portion is a functional portion that drives the threading body 2 to rotate, so as to realize threaded connection between the connecting portion and the nail body 1, and is mainly implemented by manual driving, and under a certain condition, the driving portion may also be driven by a mechanical structure.
In this embodiment, the threading body 2 has the three parts, or only two parts, that is, only the connecting part and the threading part may be provided, and at this time, the connecting part and the nail body 1 may be connected by holding the threading part in a hand to rotate the connecting part.
In an alternative embodiment, the threading part is in a semicircular plate-shaped structure, and the threading hole 3 penetrates through two opposite plate surfaces of the threading part.
In this embodiment, the threading body 2 is arranged in a semicircular shape, and when it is arranged on the nail body 1, particularly when it is used as an inner row of anchors, the semicircular arrangement can reduce the resistance when the anchors are used.
In this embodiment, the threading part is provided in a plate-like structure, which is not only convenient for processing, but also can be used as a driving part, and can also facilitate threading operation of the suture 9.
In this embodiment, the threading hole 3 is provided perpendicular to the plate surface, and the influence of the arrangement of the threading hole 3 on the strength of the threading part can be reduced.
It should be noted that the threading part may be provided in a plate-like structure, but it is not limited to a plate-like structure, and may be provided in a hemispheroidal, columnar structure, or the like, as long as the threading hole 3 can be provided, so that the suture 9 can be bound.
It should also be noted that in the present embodiment, the threading body 2 is semicircular in shape, but it is not limited to semicircular, and it may be provided in other shapes such as trapezoid, triangle, and the like.
In an alternative embodiment, the threading portion is the same shape as the driving portion.
In this embodiment, the driving portion is also provided in a semicircular plate-like structure, which can facilitate processing and reduce resistance when used as an outer row of anchors.
It should be noted that the threading part and the driving part may be identical in shape or may be different in shape as long as the respective functions can be realized.
In an alternative embodiment, both ends of the threading hole 3 are provided with chamfers.
In this embodiment, by chamfering the two ends of the threading hole 3, the edges generated at the two ends of the threading hole 3 can be reduced, thereby reducing the wear generated on the suture 9.
In this embodiment, the chamfer is provided as a rounded corner.
In an alternative embodiment, the effective length of the first internal thread 6 and the second internal thread 7 is greater than the effective length of the external thread 8, enabling the threading body 2 to be completely inserted into the through hole 4.
In this embodiment, the threading body 2 completely enters the nail body 1, so that the influence of the threading body 2 on the outside in the process of using the anchor can be avoided, and the using effect of the anchor is affected.
The embodiment of the invention has the beneficial effects that:
the threading body 2 is in threaded connection with the nail body 1, and the suture 9 is connected to the threading body 2, so that the wire arrangement is more flexible during outer arrangement in the process of using the joint anchor, the complexity during inner arrangement is reduced, and the filling of high polymer materials is facilitated.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The multifunctional anchor is characterized by comprising a nail body and a threading body;
the outer wall of the nail body is provided with a retaining structure, the nail body is provided with through holes penetrating through two ends, the tail ends of the through holes are respectively provided with first internal threads, and the nail head ends of the through holes are provided with second internal threads;
the threading body is provided with external threads matched with the first internal threads or the second internal threads, and the end part of the threading body is provided with a threading hole;
the first internal thread and the second internal thread have the same parameters.
2. The multi-function anchor of claim 1, wherein the threaded body is disposed within the shank through threaded connection of the external thread with the first internal thread and the threaded bore is at an end remote from the second internal thread.
3. The multi-function anchor of claim 1, wherein the threaded body is disposed within the shank via threaded connection of the external thread and the second internal thread, and the threaded bore is at an end proximate the first internal thread.
4. The multi-function anchor of claim 1, wherein the threaded body is disposed within the shank through threaded connection of the external thread and the second internal thread, and the threaded bore is at an end remote from the first internal thread.
5. The multi-function anchor of claim 1, wherein the retaining structure is a barb, a frustum, or an external thread.
6. The multifunctional anchor according to claim 1, wherein the threading body comprises a connecting portion, a threading portion and a driving portion;
the connecting part is a cylinder, and the external thread is arranged on the outer wall of the connecting part;
the threading part and the driving part are respectively arranged at two opposite ends of the connecting part;
the threading hole is arranged on the threading part;
the driving part is used for driving the connecting part to be in threaded connection with the nail body through power connection.
7. The multifunctional anchor according to claim 6, wherein the threading part has a semicircular plate-like structure, and the threading hole penetrates through opposite plate surfaces of the threading part.
8. The multi-function anchor of claim 6, wherein the threading portion is the same shape as the driving portion.
9. The multifunctional anchor according to claim 1, wherein both ends of the threading hole are provided with chamfers.
10. The multi-function anchor of claim 1, wherein the effective length of the first internal thread and the second internal thread are both greater than the effective length of the external thread, enabling the threaded body to be fully inserted into the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311483242.6A CN117204934B (en) | 2023-11-09 | 2023-11-09 | Multifunctional anchor nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311483242.6A CN117204934B (en) | 2023-11-09 | 2023-11-09 | Multifunctional anchor nail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117204934A true CN117204934A (en) | 2023-12-12 |
| CN117204934B CN117204934B (en) | 2024-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311483242.6A Active CN117204934B (en) | 2023-11-09 | 2023-11-09 | Multifunctional anchor nail |
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| Country | Link |
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| CN (1) | CN117204934B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5584835A (en) * | 1993-10-18 | 1996-12-17 | Greenfield; Jon B. | Soft tissue to bone fixation device and method |
| US20040093030A1 (en) * | 2002-10-28 | 2004-05-13 | Cox James E. | Bone anchor and assembly |
| US20070225719A1 (en) * | 2006-03-21 | 2007-09-27 | Stone Kevin T | Method and apparatuses for securing suture |
| US20150032154A1 (en) * | 2012-10-03 | 2015-01-29 | Lee D. Kaplan | Suture for soft tissue repair |
| CN207886227U (en) * | 2017-06-09 | 2018-09-21 | 丁伟 | A kind of medical holdfast |
| CN209826837U (en) * | 2019-04-26 | 2019-12-24 | 北京天星博迈迪医疗器械有限公司 | Integrated outer chain riveting and fixing device |
| CN219109593U (en) * | 2022-12-30 | 2023-06-02 | 北京天星博迈迪医疗器械有限公司 | Suture glenoid labia anchor |
| CN116392177A (en) * | 2023-03-13 | 2023-07-07 | 中国科学院金属研究所 | Degradable magnesium alloy strip line anchor with split type thread hollow structure |
-
2023
- 2023-11-09 CN CN202311483242.6A patent/CN117204934B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5584835A (en) * | 1993-10-18 | 1996-12-17 | Greenfield; Jon B. | Soft tissue to bone fixation device and method |
| US20040093030A1 (en) * | 2002-10-28 | 2004-05-13 | Cox James E. | Bone anchor and assembly |
| US20070225719A1 (en) * | 2006-03-21 | 2007-09-27 | Stone Kevin T | Method and apparatuses for securing suture |
| US20150032154A1 (en) * | 2012-10-03 | 2015-01-29 | Lee D. Kaplan | Suture for soft tissue repair |
| CN207886227U (en) * | 2017-06-09 | 2018-09-21 | 丁伟 | A kind of medical holdfast |
| CN209826837U (en) * | 2019-04-26 | 2019-12-24 | 北京天星博迈迪医疗器械有限公司 | Integrated outer chain riveting and fixing device |
| CN219109593U (en) * | 2022-12-30 | 2023-06-02 | 北京天星博迈迪医疗器械有限公司 | Suture glenoid labia anchor |
| CN116392177A (en) * | 2023-03-13 | 2023-07-07 | 中国科学院金属研究所 | Degradable magnesium alloy strip line anchor with split type thread hollow structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117204934B (en) | 2024-01-26 |
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