CN107569265A - A kind of screw-in band line holdfast - Google Patents
A kind of screw-in band line holdfast Download PDFInfo
- Publication number
- CN107569265A CN107569265A CN201710970762.8A CN201710970762A CN107569265A CN 107569265 A CN107569265 A CN 107569265A CN 201710970762 A CN201710970762 A CN 201710970762A CN 107569265 A CN107569265 A CN 107569265A
- Authority
- CN
- China
- Prior art keywords
- screw
- holdfast
- band line
- threaded portion
- ground anchor
- 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.)
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Abstract
The invention discloses a kind of band line holdfast, particularly a kind of screw-in band line holdfast.It includes ground anchor body (1), ground anchor body (1) lateral surface offers threaded portion (2), through threading hole (3) is offered inside ground anchor body (1), run through between the ridge of threaded portion (2) and offer several lateral apertures (4).Outer surface of the lateral aperture (4) along threaded portion (2) is longitudinally set at equal intervals.This kind band line anchor structure is simple, without being knotted in bone surface so that Post operation holdfast fixes more firm, reparation faster, more operability and repeatability, and Post operation effect is more preferable, has no adverse reaction.
Description
Technical field
The present invention relates to a kind of band line holdfast, particularly a kind of screw-in band line holdfast.
Background technology
Holdfast reconnects soft tissue and bone clinically by suture, stationary burst tendon in holdfast embedment sclerotin
Tissue, to reach the purpose of tendon-bone healing.Holdfast of the prior art is has knot to design, i.e., the suture of holdfast end is in outside
Knot and fix.Publication No. CN104027140A discloses a kind of patent application of the key name for " three pore area line holdfasts ", and it is in hand
During art, ground anchor body is fixed on bone, each threading hole respectively penetrates suture, and make suture both ends be respectively embedded into
In the wire casing that the import of threading hole is connected with the outlet of threading hole, then the both ends of suture are passed through into extensor tendon stop, and
The upper end of extensor tendon stop is knotted, and extensor tendon stop is fixed on bone surface.But because suture knot is exposed in bone
Head surface, friction is easily produced, cause knot breakage, holdfast to fix insecure, if operative site implantation is undesirable, need to insert
New holdfast, original band line holdfast can not be removed, and it is uncomfortable and be accompanied by inflammation that above situation easily causes patient, leads
Cause healing slow.
The content of the invention
It is an object of the present invention to provide a kind of screw-in band line holdfast, this kind band line anchor structure is simple, without in bone
Surface knots, and operation technique is easy, and Post operation holdfast fixes more firm, reparation faster, more operability and repeatability, hand
Postoperative effect is more preferable, has no adverse reaction.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of screw-in band line holdfast includes ground anchor body, and the ground anchor body lateral surface offers threaded portion, the spiral shell
The setting in line portion enables to band line holdfast smoothly to insert cortical bone surface, and with excellent interior fixing intensity and stably
Property, while prevent from being pulled the phenomenon come with the traditional holdfast for having prominent hole.Through threading hole is offered inside ground anchor body, make
Rivet nut is hollow, reduces holdfast material usage.Run through between the ridge of the threaded portion and offer several lateral apertures.Nail
Body is hollow and side perforate designs so that liquid can quickly penetrate into bone after holdfast implantation, be easy to bone uptake.
Outer surface of the foregoing lateral aperture along threaded portion is longitudinally set at equal intervals, i.e., every group of lateral aperture being longitudinally arranged is
One row, share several columns.
Foregoing one or two neighboring or adjacent three ridges are a screw thread group, the adjacent thread group
Between groove be provided with lateral aperture, the lateral aperture of different distributions according to the difference of operative site and degree of impairment, can be selected.
Further, foregoing threading hole is inner hexagonal hole or quincunx hole, if operation implantation position is undesirable,
Holdfast can also be back-outed by the instrument such as hexagonal screwdriver or plum blossom screwdriver, there is repeatability.
The edge of foregoing threaded portion, threading hole and lateral aperture carries out rounding processing, reduces edge to ligament
Deng cutting, reduce damage to human body in surgical procedure.The front end of wherein described threaded portion is taper, the taper along from
The direction area of ground anchor body rear end to the ground anchor body front end is gradually reduced, and reduces the resistance in surgical procedure, improves hand
Art efficiency.
Foregoing lateral aperture is longitudinally equidistantly spaced from into two row either four row or six row along threaded portion outer surface, is easy to
Liquid circulation circulates in Post operation bone, can also collect free bone bits, be easy to bone uptake.
Further, foregoing lateral aperture is circular port or slotted eye or rectangular opening.
Through there is suture in foregoing threading hole, the suture knot after the completion of operation is placed in inside threading hole, nothing
Knot undercut mark is fixed, and the risk that knot is hit or released will not occur, and is avoided in the prior art caused by bone surface knots
Abrasion, even later stage produce inflammation hidden danger.
Suture is wound between the ridge groove of foregoing threaded portion, postoperative suture directly twines
It is wound between the ridge groove of threaded portion, no knot undercut mark is fixed, and the risk that knot is hit or released will not occur, be easy to
Preferably repair.
The material of foregoing ground anchor body is PEEK materials, i.e. polyetheretherketonematerials materials, and being that one kind is non-can absorb, with excellent
The thermoplastic of biocompatibility and biological stability characteristic.The length of the ground anchor body is the ㎜ of 10 ㎜~30, holdfast sheet
The external diameter of body is 3.5mm~9mm, and the internal diameter of ground anchor body is 0.5mm~1.5mm, can be selected according to operative site and degree of impairment
Select different size.This kind of screw-in band line holdfast is widely used, and is applied not only to rotator cuff injury, is double without knot reparation, also can use
In glenoid lip of articulation of humerus repairing, near-end (distal end) brachial biceps are fixed, the repairing of knee joint collateral ligaments or reconstruction, kneecap are practised
Inertia dislocate medial patellar retinaculum reefing or reconstruction, away from the diseased bone surgery such as the reparation of (with calf) ligament or reconstruction.Further, it is described
The line footpath of suture is 0.5mm~0.6mm, and suture is pressed in bone by ground anchor body in operation, can remove from and beat
Knot process, while saving operating time, reduce the cutting to soft tissues such as shoulder sleeves, and suture covers to soft tissue
Area is big and uniform, and more conducively Post operation heals.
Compared with prior art, the present invention is advantageous in that：
(1) this kind is a kind of anchoring piece that soft tissue is fixed to bone with line holdfast, without being knotted in bone surface so that hand
Postoperative holdfast fix more firmly, repair faster, Post operation effect it is more preferable, have no adverse reaction；
(2) band line holdfast rivet nut is hollow and side perforate designs so that liquid can quickly penetrate into bone after holdfast implantation, just
Circulated in liquid circulation in Post operation bone, free bone bits can also be collected, facilitate soft tissue preferably to repair and and bone fusion；
(3) unique screw-in rivet nut design, step open circuit is only needed, holdfast is screwed in, more traditional holdfast possesses more
Big fixing intensity, enables to ground anchor body to be preferably fixed on inside bone, has the effect that anti-rotational, resistance to plucking goes out；
(4) front end of threaded portion is taper, reduces the resistance in surgical procedure, improves procedure efficiency；
(5) ground anchor body material is PEEK materials, i.e. polyetheretherketonematerials materials, has good biocompatibility and enough
Initial fixing intensity, it is non-to can absorb but human body be caused to repel；
(6) threading hole hole position uses particular design, is inner hexagonal hole or quincunx hole, if operation implantation position is paid no attention to
When thinking, holdfast can also be back-outed by the instrument such as hexagonal screwdriver or plum blossom screwdriver, it is simple to operate and with repeatability；
(7) hollow band string holes being offered in the middle part of ground anchor body, this kind of hollow design can also reduce rivet nut material usage,
Reduce cost.
Brief description of the drawings
Fig. 1 is a kind of stereogram of embodiment in the present invention；
Fig. 2 is Fig. 1 front view；
Fig. 3 is Fig. 1 sectional view；
Fig. 4 is the stereogram of another embodiment in the present invention；
Fig. 5 is Fig. 4 front view；
Fig. 6 is also Fig. 4 front view；
Fig. 7 is Fig. 4 sectional view；
Fig. 8 is a kind of structural representation of threading hole in the present invention；
Fig. 9 is the structural representation of another threading hole in the present invention.
The implication of reference：1- ground anchor bodies, 2- threaded portions, 3- threading holes, 4- lateral apertures, 5- suturees, 6-
Screw thread group.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Embodiment
Embodiments of the invention 1：As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 8, a kind of screw-in band line holdfast includes ground anchor body
1, the lateral surface of ground anchor body 1 offers threaded portion 2, and the setting of threaded portion 2 enables to band line holdfast smoothly to insert cortex bone
Surface, and there is excellent interior fixing intensity and stability, while prevent be pulled to come with the traditional holdfast for having prominent hole to show
As.The inside of ground anchor body 1, which is run through, offers threading hole 3 so that rivet nut is hollow, reduces holdfast material usage.Threading hole 3 is interior
Hex hole, if operation implantation position is undesirable, holdfast can also be back-outed by instruments such as hexagonal screwdrivers, have repeatable
Property.Through several lateral apertures 4 are offered between the ridge of threaded portion 2, lateral aperture 4 is circular port or slotted eye.Rivet nut
Hollow and side perforate designs so that liquid can quickly penetrate into bone after holdfast implantation, be easy to bone uptake.Lateral aperture 4 is along spiral shell
The outer surface of line portion 2 is longitudinally equidistantly spaced from into two row either four row or six row, is easy to liquid circulation in Post operation bone to circulate, also
Free bone bits can be collected, are easy to bone uptake.One or two neighboring or adjacent three ridges are a screw thread
Group 6, the groove between adjacent thread group 6 are provided with lateral aperture 4, can be according to the difference of operative site and degree of impairment, and selection is not
With the lateral aperture 4 of distribution.Through there is suture 5 in threading hole 3, the suture knot after the completion of operation is placed in threading hole 3
Portion, no knot undercut mark are fixed, and the risk that knot is hit or released will not occur, and are avoided knotting in bone surface in the prior art and are made
Into abrasion, even the later stage produce inflammation hidden danger.The edge of threaded portion 2, threading hole 3 and lateral aperture 4 carries out rounding processing,
Cutting of the edge to ligament etc. is reduced, reduces the damage to human body in surgical procedure.Wherein the front end of threaded portion 2 is cone
Shape, taper are gradually reduced along the direction area from the rear end of ground anchor body 1 to the front end of ground anchor body 1, are reduced in surgical procedure
Resistance, improve procedure efficiency.
Embodiment 2：As shown in Fig. 4, Fig. 6, Fig. 7 and Fig. 9, a kind of screw-in band line holdfast includes ground anchor body 1, holdfast sheet
The lateral surface of body 1 offers threaded portion 2, and the setting of threaded portion 2 enables to band line holdfast smoothly to insert cortical bone surface, and has
There are excellent interior fixing intensity and stability, while prevent from being pulled the phenomenon come with the traditional holdfast for having prominent hole.Holdfast sheet
The inside of body 1, which is run through, offers threading hole 3 so that rivet nut is hollow, reduces holdfast material usage.Threading hole 3 is quincunx hole, if
When being that operation implantation position is undesirable, holdfast can also be back-outed by instruments such as plum blossom screwdrivers, there is repeatability.Threaded portion 2
Ridge between through offering several lateral apertures 4, lateral aperture 4 is rectangular opening.Rivet nut is hollow and side perforate designs, and makes
Liquid can quickly penetrate into bone after holdfast implantation, be easy to bone uptake.Lateral aperture 4 is longitudinal at equal intervals along the outer surface of threaded portion 2
Two row either four row or six row are arranged to, is easy to liquid circulation in Post operation bone to circulate, free bone bits can also be collected, just
In bone uptake.One or two neighboring or adjacent three ridges are a screw thread group 6, between adjacent thread group 6
Groove is provided with lateral aperture 4, according to the difference of operative site and degree of impairment, can select the lateral aperture 4 of different distributions.Threaded portion
Suture 5 is wound between 2 ridge groove, postoperative suture 5 is directly wound in the screw thread of threaded portion 2
Between tooth groove, no knot undercut mark is fixed, and the risk that knot is hit or released will not occur, be easy to preferably repair.Screw thread
The edge in portion 2, threading hole 3 and lateral aperture 4 carries out rounding processing, reduces cutting of the edge to ligament etc., reduces hand
To the damage of human body during art.Wherein the front end of threaded portion 2 is taper, and taper is along from the rear end of ground anchor body 1 to holdfast sheet
The direction area of the front end of body 1 is gradually reduced, and reduces the resistance in surgical procedure, improves procedure efficiency.
Embodiment 3：As shown in Figure 4 and Figure 5, a kind of screw-in band line holdfast includes ground anchor body 1, the outside of ground anchor body 1
Face offers threaded portion 2, and the setting of threaded portion 2 enables to band line holdfast smoothly to insert cortical bone surface, and with excellent
Interior fixing intensity and stability, while prevent the phenomenon for being pulled to come with traditional holdfast for having prominent hole.Inside ground anchor body 1
Through offering threading hole 3 so that rivet nut is hollow, reduces holdfast material usage.Run through between the ridge of threaded portion 2 and open up
There are several lateral apertures 4.Rivet nut is hollow and side perforate designs so that liquid can quickly penetrate into bone after holdfast implantation, be easy to
Bone uptake.Through there is suture 5 in threading hole 3, the suture knot after the completion of operation is placed in inside threading hole 3, no knot
Undercut mark is fixed, and knot will not occur and hit or the risk that releases, avoid in the prior art caused by bone surface knots abrasion,
Even the later stage produces inflammation hidden danger.The material of ground anchor body 1 is PEEK materials, i.e. polyetheretherketonematerials materials, be it is a kind of it is non-it is absorbable,
Thermoplastic with excellent biocompatibility and biological stability characteristic.The length of ground anchor body 1 is the ㎜ of 10 ㎜~30, anchor
The external diameter for following closely body 1 is 3.5mm~9mm, and the internal diameter of ground anchor body 1 is 0.5mm~1.5mm.Can be according to operative site and damage
Situation, different size is selected, specifically, the length of ground anchor body 1 can be 25 ㎜, the external diameter of ground anchor body 1 can be 6mm,
The internal diameter of ground anchor body 1 can be 1.0mm.This kind of screw-in band line holdfast is widely used, and is applied not only to rotator cuff injury, double
Repaired without knot, it may also be used for glenoid lip of articulation of humerus repairing, near-end (distal end) brachial biceps are fixed, knee joint collateral ligaments is repaiied
Mend or rebuild, kneecap habitual dislocation medial patellar retinaculum reefing or reconstruction, away from the diseased orthopaedics hand such as the reparation of (with calf) ligament or reconstruction
Art.Specifically, suture 5 be ultrahigh molecular weight polyethylene into non-absorbable suture, line footpath is 0.5mm~0.6mm,
Knotting process can be removed in operation from, while saving operating time, reduce the cutting to soft tissues such as shoulder sleeves, and medical seam
Zygonema 5 is big to soft tissue area coverage and uniform, and more conducively Post operation heals.
Embodiment 4：As shown in Figure 4 and Figure 6, a kind of screw-in band line holdfast includes ground anchor body 1, the outside of ground anchor body 1
Face offers threaded portion 2, and the setting of threaded portion 2 enables to band line holdfast smoothly to insert cortical bone surface, and with excellent
Interior fixing intensity and stability, while prevent the phenomenon for being pulled to come with traditional holdfast for having prominent hole.Inside ground anchor body 1
Through offering threading hole 3 so that rivet nut is hollow, reduces holdfast material usage.Run through between the ridge of threaded portion 2 and open up
There are several lateral apertures 4.Rivet nut is hollow and side perforate designs so that liquid can quickly penetrate into bone after holdfast implantation, be easy to
Bone uptake.Suture 5 is wound between the ridge groove of threaded portion 2, postoperative suture 5 is directly wound in
Between the ridge groove of threaded portion 2, no knot undercut mark is fixed, and the risk that knot is hit or released will not occur, be easy to more
Repair well.The material of ground anchor body 1 is PEEK materials, i.e. polyetheretherketonematerials materials, and being that one kind is non-can absorb, has excellent biology
The thermoplastic of compatibility and biological stability characteristic.The length of ground anchor body 1 is the ㎜ of 10 ㎜~30, ground anchor body 1 it is outer
Footpath is 3.5mm~9mm, and the internal diameter of ground anchor body 1 is 0.5mm~1.5mm.It can be selected not according to operative site and degree of impairment
Same specification, specifically, the length of ground anchor body 1 can be 20 ㎜, the external diameter of ground anchor body 1 can be 4mm, ground anchor body 1
Internal diameter can be 0.6mm..This kind of screw-in band line holdfast is widely used, be applied not only to rotator cuff injury, it is double repaired without knot,
Can be additionally used in glenoid lip of articulation of humerus repairing, near-end (distal end) brachial biceps fix, knee joint collateral ligaments repairing or reconstruction,
Kneecap habitual dislocation medial patellar retinaculum reefing or reconstruction, away from the diseased bone surgery such as the reparation of (with calf) ligament or reconstruction.Specifically,
Suture 5 be ultrahigh molecular weight polyethylene into non-absorbable suture, line footpath is 0.5mm~0.6mm, can be with operation
Remove knotting process from, while saving operating time, reduce the cutting to soft tissues such as shoulder sleeves, and suture 5 is to soft
Tissue coverage area is big and uniform, and more conducively Post operation heals.
The operation principle of the present invention：The one end of suture 5 passes through soft tissue, and the other end passes through front end guidance rivet nut, uses
Implanting instrument squeezes into ground anchor body 1 in osseous tunnel, and as ground anchor body 1 is driven into osseous tunnel, suture 5 is by holdfast sheet
Body 1 forms interference fit extruding with soft tissue and osseous tunnel, is formed and is fixed without knot, is fixed soft tissue with realizing.Ground anchor body 1
Designed using full thread, increase resisting pull out forces.
Claims (10)
1. a kind of screw-in band line holdfast, it is characterised in that including ground anchor body (1), ground anchor body (1) lateral surface opens up
There is threaded portion (2), run through inside ground anchor body (1) and offer threading hole (3), run through between the ridge of the threaded portion (2)
Offer several lateral apertures (4).
2. screw-in according to claim 1 band line holdfast, it is characterised in that the lateral aperture (4) is along threaded portion (2)
Outer surface longitudinally set at equal intervals.
3. screw-in according to claim 2 band line holdfast, it is characterised in that it is one or two neighboring or
Adjacent three ridges are a screw thread group (6), and the groove between the adjacent thread group (6) is provided with lateral aperture (4).
4. screw-in band line holdfast according to claim 3, it is characterised in that the threading hole (3) is inner hexagonal hole
Or quincunx hole.
5. screw-in according to claim 4 band line holdfast, it is characterised in that the threaded portion (2), threading hole (3) and
The edge of lateral aperture (4) carries out rounding processing, wherein the front end of the threaded portion (2) is taper.
6. screw-in according to claim 5 band line holdfast, it is characterised in that the lateral aperture (4) is along threaded portion (2)
Outer surface is longitudinally equidistantly spaced from into two row either four row or six row.
7. screw-in band line holdfast according to claim 6, it is characterised in that the lateral aperture (4) is circular port or ellipse
Circular port or rectangular opening.
8. screw-in band line holdfast according to claim 1, it is characterised in that medical through having in the threading hole (3)
Suture (5).
9. screw-in band line holdfast according to claim 1, it is characterised in that the ridge groove of the threaded portion (2)
Between be wound with suture (5).
10. screw-in band line holdfast according to claim 8 or claim 9, it is characterised in that the material of the ground anchor body (1)
For PEEK materials, the length of the ground anchor body (1) is the ㎜ of 10 ㎜~30, and the external diameter of ground anchor body (1) is 3.5mm~9mm, anchor
The internal diameter for following closely body (1) is 0.5mm~1.5mm, and suture (5) line footpath is 0.5mm~0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970762.8A CN107569265A (en) | 2017-10-18 | 2017-10-18 | A kind of screw-in band line holdfast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970762.8A CN107569265A (en) | 2017-10-18 | 2017-10-18 | A kind of screw-in band line holdfast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107569265A true CN107569265A (en) | 2018-01-12 |
Family
ID=61037674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710970762.8A Pending CN107569265A (en) | 2017-10-18 | 2017-10-18 | A kind of screw-in band line holdfast |
Country Status (1)
| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109223076A (en) * | 2018-09-28 | 2019-01-18 | 北京市春立正达医疗器械股份有限公司 | Pre-knotted holdfast and its implanted device |
| CN111084644A (en) * | 2019-11-01 | 2020-05-01 | 上海市第六人民医院 | Stitching-free labrum repairing rivet and labrum repairing method |
| CN112494089A (en) * | 2020-11-17 | 2021-03-16 | 北京市春立正达医疗器械股份有限公司 | Exempt from to tie a knot anchor and anchor implantation apparatus |
| CN112971884A (en) * | 2021-02-04 | 2021-06-18 | 杭州锐健马斯汀医疗器材有限公司 | Suture anchor implantation device |
| CN113425350A (en) * | 2021-05-13 | 2021-09-24 | 花沐医疗科技(上海)有限公司 | Composite absorbable suture anchor and preparation method thereof |
| CN113440193A (en) * | 2021-05-13 | 2021-09-28 | 花沐医疗科技(上海)有限公司 | Composite absorbable interface screw and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109223076A (en) * | 2018-09-28 | 2019-01-18 | 北京市春立正达医疗器械股份有限公司 | Pre-knotted holdfast and its implanted device |
| CN111084644A (en) * | 2019-11-01 | 2020-05-01 | 上海市第六人民医院 | Stitching-free labrum repairing rivet and labrum repairing method |
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| CN112494089A (en) * | 2020-11-17 | 2021-03-16 | 北京市春立正达医疗器械股份有限公司 | Exempt from to tie a knot anchor and anchor implantation apparatus |
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| CN112971884B (en) * | 2021-02-04 | 2022-12-16 | 杭州锐健马斯汀医疗器材有限公司 | Suture anchor implantation device |
| CN113425350A (en) * | 2021-05-13 | 2021-09-24 | 花沐医疗科技(上海)有限公司 | Composite absorbable suture anchor and preparation method thereof |
| CN113440193A (en) * | 2021-05-13 | 2021-09-28 | 花沐医疗科技(上海)有限公司 | Composite absorbable interface screw and preparation method thereof |
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