CN105943103B - Anchoring piece - Google Patents
Anchoring piece Download PDFInfo
- Publication number
- CN105943103B CN105943103B CN201610387959.4A CN201610387959A CN105943103B CN 105943103 B CN105943103 B CN 105943103B CN 201610387959 A CN201610387959 A CN 201610387959A CN 105943103 B CN105943103 B CN 105943103B
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- China
- Prior art keywords
- spiral coil
- anchoring piece
- screw pitch
- inner leg
- spiral
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B17/0642—Surgical staples, i.e. penetrating the tissue for bones, e.g. for osteosynthesis or connecting tendon to bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B2017/0647—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks
- A61B2017/0648—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks threaded, e.g. tacks with a screw thread
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Rheumatology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
An embodiment of the present invention provides a kind of anchoring pieces, belong to the field of medical instrument technology.The anchoring piece includes：The first spiral coil and the second spiral coil being sequentially distributed by proximate direction；At least one inner leg of first spiral coil and second spiral coil is used to support, the inner leg is distributed in the hollow portion formed by first spiral coil and second spiral coil；Positioned at the rostellum portion of distal tip, the rostellum portion extends with second spiral coil and the inner leg in distal direction to be connected.The scheme of middle offer through the embodiment of the present invention while being easily installed and can ensure installation strength, reduces damage of the anchoring piece for sclerotin.
Description
Technical field
The present embodiments relate to the field of medical instrument technology more particularly to a kind of anchoring pieces.
Background technology
When ligament or tendon are completely or partially detached or damaged due to tear from relevant bone, can use outer
Section's medical equipment assists to repair, and band line holdfast is common a kind of implantation material in sports medical science operation, and when use plants rivet nut
In to the marrow, included suture can retighten tendon or soft to pass through the tendon or soft tissue of fracture, suture after knotting
Tissue.Disclosed holdfast in the prior art, the medical suture anchor as disclosed in CN203424981U, including ground anchor body, anchor
Ontology is followed closely in cone, is externally provided with spiral coil in ground anchor body, tail portion, which is equipped with, holds wire casing and keyhole.Holdfast rotation is screwed into sclerotin
In, sclerotin can be fixedly secured, penetrate medical cable using the keyhole of holdfast tail portion and the tendon tissue of damage sutures so that is disconnected
The tendon tissue split is firmly connect with New bone formation, provides the initial strength that tendon is connect with sclerotin, is cured with reaching tendon-bone
The purpose of conjunction.
Inventor has found in the implementation of the present invention, holdfast of the prior art when in use, exist due to
Bond strength is not high to there is the phenomenon that holdfast exits, and needs second operation, and pain is brought to patient, and the holdfast that bond strength is high
It is then larger for the damage of bone, less conducive to expansion of the postoperative blood in bone road and the growth of bone, and it is not easy to install.
Invention content
The embodiment of the present invention provides a kind of anchoring piece, existing during use to solve holdfast in the prior art
Defect while being easily installed and can ensure installation strength, reduces damage of the anchoring piece for sclerotin.
The embodiment of the present invention provides a kind of anchoring piece, including：
The first spiral coil and the second spiral coil being sequentially distributed by proximate direction；
It is used to support at least one inner leg of first spiral coil and second spiral coil, the inner leg
Be distributed in by first spiral coil and second spiral figure into hollow portion；
Positioned at the rostellum portion of distal tip, the rostellum portion is with second spiral coil and the inner leg in far end party
It is connected to extension.
As a kind of specific implementation of the embodiment of the present invention, on the direction of proximate, first spiral
The end of circle is connected with the second spiral coil initiating terminal.
As a kind of specific implementation of the embodiment of the present invention, first spiral coil has the first screw pitch, and described the
Two spiral coils have the second screw pitch, and first screw pitch is different from second screw pitch.
As a kind of specific implementation of the embodiment of the present invention, first screw pitch is less than second screw pitch.
As a kind of specific implementation of the embodiment of the present invention, the inner leg is helical structure.
As a kind of specific implementation of the embodiment of the present invention, the screw pitch of the inner leg is more than first screw pitch
And second screw pitch.
As a kind of specific implementation of the embodiment of the present invention, the spiral rotating direction of the inner leg and described the
The direction of rotation of one spiral coil and second spiral coil is opposite.
As a kind of specific implementation of the embodiment of the present invention, the rostellum portion is equipped with third spiral coil；
On the direction of proximate, the initiating terminal of the third spiral coil is connected with the second spiral coil end
It connects.
As a kind of specific implementation of the embodiment of the present invention, the rostellum portion is provided with lateral through hole, passes through
The tail end of suture and the suture can be placed in through hole can pass through the hollow portion and be pierced by the anchoring piece
Proximal end.
As a kind of specific implementation of the embodiment of the present invention, the anchoring piece is made of the absorbed material of energy.
As a kind of specific implementation of the embodiment of the present invention, the anchoring piece is made of unabsorbable material.
As a kind of specific implementation of the embodiment of the present invention, first spiral coil is with the inner leg in proximal end
Driving portion is formed, the driving portion has specific cross-sectional shape to receive driving instrument in driving portion.
Anchoring piece provided in an embodiment of the present invention, by setting the first spiral coil being sequentially distributed by proximate direction
With the second spiral coil, at least one inner leg for being used to support first spiral coil and second spiral coil, Yi Jiwei
In the rostellum portion of distal tip, it is not easy to install and in holdfast installation strength and to bone to change holdfast of the prior art
The problem of active balance is difficult between destruction, user are difficult to the holdfast for selecting comprehensive performance higher, are being easily installed and can protect
While demonstrate,proving installation strength, reduce damage of the anchoring piece for sclerotin.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of holdfast in the prior art；
Fig. 2 is the structure chart of holdfast in a specific embodiment of the invention.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
Fig. 1 is the schematic diagram in the prior art with line holdfast, and including ailhead, rivet nut and nail tail, ailhead and nail tail are in circle
Column structure, the two cylinder identical for diameter.Ailhead is connected to the front end of rivet nut, and nail tail is connected to the rear end of rivet nut；Rivet nut
Equipped with threading hole, radial penetration of the threading hole along rivet nut.The end of the both ends of threading hole to nail tail is respectively equipped with appearance wire casing, follows closely
Head, rivet nut and nail tail are made into integration.Anchor structure of the prior art is more single, it is more difficult to meet needs in practice.
Fig. 2 is according to one embodiment provided in an embodiment of the present invention with line holdfast, as shown in the figure, being used with line holdfast
Integrally formed mode is formed, and is had proximally and distally.21 He of the first spiral coil being sequentially distributed by proximate direction
Second spiral coil 22, the first spiral coil 21 and the second spiral coil 22 design, and spiral and prolong according to certain direction of rotation for hollow out
It stretches.
Since the first spiral coil 21 and the second spiral coil 22 are engraved structure, structural strength is weaker, in order to ensure
The structural strength of first spiral coil 21 and the second spiral coil 22, setting are used to support first spiral coil and second spiral
At least one inner leg (not shown) of circle, the inner leg are distributed in by first spiral coil 21 and described the
The hollow portion that two spiral coils 22 are formed.
As a kind of optional embodiment, the inner leg and the one of the first spiral coil 21 and the second spiral coil 22 into
Type.
There is rostellum portion 23, the rostellum portion 23 and second spiral coil 22 and institute positioned at the distal tip with line holdfast
It states inner leg and extends connection in a distal direction.
Band line holdfast further includes suture line three-way hole 231,232, is placed in the rostellum portion 23 with line holdfast, suture leads to
Hole may be adapted to receive one or more sutures around it so that suture can surround suture line three-way hole, and suture
Tail end can pass through through-hole 232, the hollow portion formed by first spiral coil 21 and second spiral coil 22, and bore
Go out the distal end with line holdfast.
Band line holdfast can be formed with multiple material.In an exemplary embodiment, the physical property of material should be enough
Driving instrument is allowed to be inserted into the hollow portion with line holdfast and can be used for being driven into bone and being unlikely to line holdfast
Damage band line holdfast.The property of material will be depending on the structure with line holdfast.For example, the length of the hollow portion with line holdfast can
Make the bending strength with line holdfast and contact maximization with the face of driving instrument with line holdfast, so that more fragile material
Such as absorbable biomaterial and/or osteoacusis material are applied.In addition to this, it is a variety of including plastics and metal
Other materials can be used to manufacture band line holdfast.
First spiral coil 21 and the second spiral coil 22 form duplex helical loop structure, and the first spiral coil 21 is high density spiral
Circle, the second spiral coil 22 are low-density spiral coil, are cancellous bone since the structure of bone is inside, and surface is cortex bone, wherein pine
Matter bone is rich in bone trabecula, is bone uptake primary structure, and cortical bone density is higher, therefore after holdfast implantation, low-density spiral coil
In cancellous bone, bone trabecula destruction can be reduced, more conducively postoperative bone growth, high density spiral coil is located in cortex of bone, increases
Add resisting pull out forces.
Specifically, there is larger interval between the first spiral coil 21 and the second spiral coil 22.It is formed between these intervals
Different screw pitch, as a kind of embodiment, the first spiral coil 21 and second spiral coil 22 have different screw pitch, such as the
The screw pitch of one spiral coil 21 is less than the screw pitch of the second spiral coil 22.The interval that larger screw pitch is formed contributes to interior life of the bone to ligament
It is long, that is, by providing the big opening across spiral coil.These big openings help to carry cell and the fluid of nutrition flows through
Spiral coil, and allow the interior growth of tissue across spiral coil, so as to enhance interior growth of the bone to ligament.
Alternatively embodiment, one or more pillars are arranged in the first spiral coil 21 and the second spiral coil 22
Inside, the wherein one or more pillar is fixed on the inner surface of the first spiral coil 21 and the second spiral coil 22.This one
A or multiple pillars provide the device for the first spiral coil 21 and the second spiral coil 22 to be made to be rotated during being deployed in body,
The one or more pillar can give the first spiral coil 21 and the second spiral coil 22 to provide structural support.The one or more pillar can
With spiral coil be integrally formed (such as passing through molding process) or its can separately from the first spiral coil 21 and the second spiral coil 22 and
It is formed, and is then attached in individual manufacturing process the first spiral coil 21 and the second spiral coil 22 and (such as passes through weldering
It connects).In the case where the one or more pillar and the first spiral coil 21 and the second spiral coil 22 are integrally formed, this or
Multiple pillars can be used for stream is helped to be fused to suitable position.
In a kind of preferred form of the present invention, which includes helical structure.And the present invention's
In a kind of particularly preferred form, the one or more pillar include helical structure, along with the first spiral coil 21 and second
The direction that the spiral of spiral coil 22 is opposite is spiraled, and the one or more pillar has the first spiral coil 21 and the second spiral coil
The much bigger screw pitch of 22 screw pitch.
Band line holdfast is integrally designed using full hollow out, which allows postoperative blood well into station track, maximum journey
Degree reduces occupancy of the implantation material to sclerotin, while hollow out rivet nut guides Bone Ingrowth such as stent.
For the ease of the installation of holdfast, rostellum portion 23 is designed using self tapping, and holdfast head taper is larger, when being implanted into holdfast
More easily, has self tapping effect.
As a kind of optional embodiment, third spiral coil, third spiral coil and second can be set in rostellum portion 23
Spiral coil head and the tail connect.
For the ease of driving band line holdfast, alternatively embodiment, the first spiral coil 21 is with inner leg near
End forms driving portion, and the driving portion has specific cross-sectional shape to receive driving instrument in driving portion, this is transversal
Face shape can be common geometry, such as square, pentagon, can also specific shape according to the actual needs.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of anchoring piece, including：
The first spiral coil and the second spiral coil being sequentially distributed by proximate direction；
It is used to support at least one inner leg of first spiral coil and second spiral coil, the inner leg distribution
In the hollow portion formed by first spiral coil and second spiral coil, the inner leg is helical structure, described interior
Bilge cod is integrally formed with first spiral coil and second spiral coil；
Positioned at the rostellum portion of distal tip, the rostellum portion prolongs with second spiral coil and the inner leg in distal direction
Stretch connection.
2. anchoring piece according to claim 1, it is characterised in that：
On the direction of proximate, the end of first spiral coil is connected with the second spiral coil initiating terminal.
3. anchoring piece according to claim 1, it is characterised in that：
First spiral coil have the first screw pitch, second spiral coil have the second screw pitch, first screw pitch with it is described
Second screw pitch is different.
4. anchoring piece according to claim 3, it is characterised in that：
First screw pitch is less than second screw pitch.
5. anchoring piece according to claim 4, it is characterised in that：
The screw pitch of the inner leg is more than first screw pitch and second screw pitch.
6. anchoring piece according to claim 4, it is characterised in that：
The spiral rotating direction of the inner leg is opposite with the direction of rotation of first spiral coil and second spiral coil.
7. anchoring piece according to claim 1, it is characterised in that：
The rostellum portion is equipped with third spiral coil；
On the direction of proximate, the initiating terminal of the third spiral coil is connected with the second spiral coil end.
8. the anchoring piece according to claim 1 or 7, it is characterised in that：
The rostellum portion is provided with lateral through hole, by the tail end that suture and the suture can be placed in through hole
The hollow portion can be passed through and be pierced by the proximal end of the anchoring piece.
9. anchoring piece according to claim 1, it is characterised in that：
First spiral coil forms driving portion in proximal end with the inner leg, and the driving portion has specific cross section shape
Shape in driving portion to receive driving instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610387959.4A CN105943103B (en) | 2016-06-02 | 2016-06-02 | Anchoring piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610387959.4A CN105943103B (en) | 2016-06-02 | 2016-06-02 | Anchoring piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105943103A CN105943103A (en) | 2016-09-21 |
| CN105943103B true CN105943103B (en) | 2018-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610387959.4A Active CN105943103B (en) | 2016-06-02 | 2016-06-02 | Anchoring piece |
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| Country | Link |
|---|---|
| CN (1) | CN105943103B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209018822U (en) * | 2017-12-30 | 2019-06-25 | 深圳市立心科学有限公司 | The extruding nail and its assembly tool of the fixed ligament of orthopaedics |
| CN115530901A (en) * | 2022-06-30 | 2022-12-30 | 宁波拜锐生物科技有限公司 | Suture anchor inserter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551826A (en) * | 2010-08-30 | 2012-07-11 | 德普伊米特克公司 | Suture anchor and threader |
| CN204863325U (en) * | 2015-08-18 | 2015-12-16 | 上海凯利泰医疗科技股份有限公司 | A soft tissue fixer and soft tissue fixer subassembly for bone surgery |
| CN204951039U (en) * | 2015-09-21 | 2016-01-13 | 中南大学湘雅医院 | Device for repairing ligament or tendon defect |
| CN205814369U (en) * | 2016-06-02 | 2016-12-21 | 北京德益达美医疗科技有限公司 | Anchoring piece |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7087057B2 (en) * | 2003-06-27 | 2006-08-08 | Depuy Acromed, Inc. | Polyaxial bone screw |
| US20120323242A1 (en) * | 2011-06-16 | 2012-12-20 | Industrial Technology Research Institute | Surgical awl and method of using the same |
-
2016
- 2016-06-02 CN CN201610387959.4A patent/CN105943103B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551826A (en) * | 2010-08-30 | 2012-07-11 | 德普伊米特克公司 | Suture anchor and threader |
| CN204863325U (en) * | 2015-08-18 | 2015-12-16 | 上海凯利泰医疗科技股份有限公司 | A soft tissue fixer and soft tissue fixer subassembly for bone surgery |
| CN204951039U (en) * | 2015-09-21 | 2016-01-13 | 中南大学湘雅医院 | Device for repairing ligament or tendon defect |
| CN205814369U (en) * | 2016-06-02 | 2016-12-21 | 北京德益达美医疗科技有限公司 | Anchoring piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105943103A (en) | 2016-09-21 |
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