CN105943103A - Anchoring part - Google Patents

Anchoring part Download PDF

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Publication number
CN105943103A
CN105943103A CN201610387959.4A CN201610387959A CN105943103A CN 105943103 A CN105943103 A CN 105943103A CN 201610387959 A CN201610387959 A CN 201610387959A CN 105943103 A CN105943103 A CN 105943103A
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CN
China
Prior art keywords
described
spiral coil
anchoring piece
pitch
characterised
Prior art date
Application number
CN201610387959.4A
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Chinese (zh)
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CN105943103B (en
Inventor
黎建波
Original Assignee
北京德益达美医疗科技有限公司
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Application filed by 北京德益达美医疗科技有限公司 filed Critical 北京德益达美医疗科技有限公司
Priority to CN201610387959.4A priority Critical patent/CN105943103B/en
Publication of CN105943103A publication Critical patent/CN105943103A/en
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Publication of CN105943103B publication Critical patent/CN105943103B/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/064Surgical staples, i.e. penetrating the tissue
    • A61B17/0642Surgical staples, i.e. penetrating the tissue for bones, e.g. for osteosynthesis or connecting tendon to bone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/064Surgical staples, i.e. penetrating the tissue
    • A61B2017/0647Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks
    • A61B2017/0648Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks threaded, e.g. tacks with a screw thread

Abstract

The embodiment of the invention provides an anchoring part, and belongs to the technical field of medical instruments. The anchoring part comprises a first spiral ring and a second spiral ring which are sequentially distributed from the near end to the far end, at least one internal support column for supporting the first spiral ring and the second spiral ring and a top protrusive portion located on the top of the far end; the internal support columns are distributed in a hollow portion formed by the first spiral ring and the second spiral ring, and the top protrusive portion is in extending connection with the second spiral ring and the internal support columns in the far end direction. According to the scheme, convenient installation is achieved, the installation strength can be guaranteed, and meanwhile harm of the anchoring part to bones is reduced.

Description

Anchoring piece

Technical field

The present embodiments relate to technical field of medical instruments, particularly relate to a kind of anchoring piece.

Background technology

When ligament or tendon completely or partially separate from relevant bone or damage due to tear, permissible Using surgical equipment to assist to repair, the class that band wire holdfast is conventional in sports medical science operation is implanted Thing, implants in bone by rivet nut during use, and its suture carried can pass tendon or the soft tissue of fracture, Tendon or soft tissue can be retightened after suture knotting.Holdfast disclosed in prior art, as Medical suture anchor disclosed in CN203424981U, including ground anchor body, ground anchor body is cone, Being externally provided with spiral coil in ground anchor body, afterbody is provided with appearance wire casing and keyhole.This holdfast rotates and is screwed in sclerotin, Sclerotin can be fixedly secured, utilize the keyhole of holdfast afterbody to penetrate the tendon tissue seam of medical cable and damage Close so that the tendon tissue of fracture is firmly connected with New bone formation, it is provided that tendon is connected with sclerotin Initial strength, to reach the purpose of tendon-knitting.

Inventor finds during realizing the present invention, and holdfast of the prior art when in use, is deposited The phenomenon that holdfast exits is occurring owing to bond strength is the highest, is needing second operation, bring misery to patient, The then infringement for skeleton of the high holdfast of bond strength is relatively big, and the most postoperative blood is in bone road Expand and the growth of skeleton, and be difficult to install.

Summary of the invention

The embodiment of the present invention provides a kind of anchoring piece, in order to solve in prior art holdfast in the process used Present in defect, while being easily installed and ensure that installation strength, decrease anchoring piece for The infringement of sclerotin.

The embodiment of the present invention provides a kind of anchoring piece, including:

The first spiral coil being sequentially distributed by proximate direction and the second spiral coil;

For supporting described first spiral coil and at least one inner leg of described second spiral coil, described Inner leg is distributed in the hollow bulb formed by described first spiral coil circle and described second spiral coil figure;

It is positioned at the rostellum portion of distal tip, described rostellum portion and described second spiral coil and described inner leg Extend at distal direction and connect.

As a kind of specific implementation of the embodiment of the present invention, on the direction of proximate, described The end of the first spiral coil is connected with described second spiral coil initiating terminal.

As a kind of specific implementation of the embodiment of the present invention, described first spiral coil has the first pitch, Described second spiral coil has the second pitch, and described first pitch is different from described second pitch.

As a kind of specific implementation of the embodiment of the present invention, described first pitch is less than described second spiral shell Away from.

As a kind of specific implementation of the embodiment of the present invention, described inner leg is helical structure.

As a kind of specific implementation of the embodiment of the present invention, the pitch of described inner leg is more than described First pitch and described second pitch.

As a kind of specific implementation of the embodiment of the present invention, the spiral rotating direction of described inner leg Contrary with the direction of rotation of described first spiral coil and described second spiral coil.

As a kind of specific implementation of the embodiment of the present invention, described rostellum portion is provided with the 3rd spiral coil;

On the direction of proximate, the initiating terminal of described 3rd spiral coil and described second spiral coil end End is connected.

As a kind of specific implementation of the embodiment of the present invention, described rostellum portion is provided with horizontal through Hole, can pass described hollow bulb by placing the tail end of stitching thread and described stitching thread in through hole And pass the near-end of described anchoring piece.

As a kind of specific implementation of the embodiment of the present invention, described anchoring piece is by the absorbed material of energy Make.

As a kind of specific implementation of the embodiment of the present invention, described anchoring piece is by unabsorbable material Material is made.

As a kind of specific implementation of the embodiment of the present invention, described first spiral coil props up with described inside Post forms drive division at near-end, and described drive division has specific shape of cross section to connect in drive division Receive driving instrument.

The anchoring piece that the embodiment of the present invention provides, by arranging the be sequentially distributed by proximate direction One spiral coil and the second spiral coil, for supporting described first spiral coil and described second spiral coil at least One inner leg and be positioned at the rostellum portion of distal tip, changes holdfast of the prior art and is difficult to Install, and between holdfast installation strength and the destruction to bone, be difficult to the problem of active balance, Yong Hunan To select the holdfast that combination property is higher, while being easily installed and ensure that installation strength, reduce The anchoring piece infringement for sclerotin.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under, Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art, On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of holdfast in prior art;

Fig. 2 is the structure chart of holdfast in one specific embodiment of the present invention.

Detailed description of the invention

For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise The every other embodiment obtained, broadly falls into the scope of protection of the invention.

Fig. 1 is the schematic diagram of band wire holdfast in prior art, including ailhead, rivet nut and nail tail, ailhead and The nail the most cylindrical structure of tail, both are the cylinder that diameter is identical.Ailhead is connected to the front end of rivet nut, nail WEILIAN is connected on the rear end of rivet nut;Rivet nut is provided with through wires hole, and through wires hole is along the radial penetration of rivet nut.Through wires hole Two ends to nail tail end be respectively equipped with appearance wire casing, ailhead, rivet nut and nail tail are made into integration.Existing skill Anchor structure in art is the most single, it is more difficult to meet the needs in reality.

One embodiment of the Fig. 2 band wire holdfast 2 for providing according to the embodiment of the present invention, as it can be seen, Band wire holdfast 20 uses integrated mode to be formed, and it has near-end 20a and far-end 20b.By near-end The first spiral coil 21 and the second spiral coil 22 being distally sequentially distributed, the first spiral coil 21 and Two spiral coils 22 design for hollow out, and spiral extension according to certain direction of rotation.

Owing to the first spiral coil 21 and the second spiral coil 22 are engraved structure, its structural strength is more weak, for Ensure that the first spiral coil 21 and structural strength of the second spiral coil 22, be provided for supporting described At least one inner leg (not shown) of first spiral coil and described second spiral coil, described inside is propped up Post is distributed in the hollow bulb formed by described first spiral coil circle 21 and described second spiral coil circle 22.

As a kind of optional embodiment, this inner leg and the first spiral coil 21 and the second spiral coil 22 One-body molded.

The distal tip being positioned at band wire holdfast 2 has rostellum portion 23, and described rostellum portion 23 is with described second Spiral coil 22 and described inner leg extend connection on distal direction 20b.

Band wire holdfast 20 also includes stitching thread through hole 231,232, and it is placed in the top of band wire holdfast 2 Teat 23, stitching thread through hole may be adapted to receiving one or more stitching thread about so that stitching thread Can be around stitching thread through hole, and the tail end of stitching thread can pass through hole 232, by described first spiral shell The hollow bulb that volution circle 21 and described second spiral coil circle 22 are formed, and get out the far-end of band wire holdfast 20 20a。

Band wire holdfast 20 can be constituted with multiple material.In an exemplary embodiment, the physics of material Character should be enough to allow driving instrument to be inserted in the hollow bulb of band wire holdfast 20 and can be for by band wire Holdfast 20 is driven in bone and is unlikely to damage band wire holdfast 20.The character of material will depend upon which band wire The structure of holdfast 20.Such as, the length of the hollow bulb of band wire holdfast 20 can make the anti-of band wire holdfast 20 Curved intensity and band wire holdfast 20 contact maximization with the face of the instrument of driving, hence in so that more fragile material As absorbable biomaterial and/or bone conduction material etc. are applied.In addition, including plastics and gold Belong to and can be used to manufacture band wire holdfast 20 at interior other material multiple.

First spiral coil 21 and the second spiral coil 22 constitute duplex helical loop structure, and the first spiral coil 21 is high Density spiral circle, the second spiral coil 22 is low-density spiral coil, owing to the structure of bone is internal for spongy bone, Surface is cortical bone, and wherein spongy bone is rich in bone trabecula, is osteogenesis primary structure, and cortical bone density Higher, after therefore holdfast is implanted, low-density spiral coil is positioned at spongy bone, can reduce bone trabecula and destroy, Being more conducive to postoperative bone growth, high density spiral coil is positioned at cortical bone, increases resisting pull out forces.

Concrete, between the first spiral coil 21 and the second spiral coil 22, there is bigger interval.These Different pitch is defined, as a kind of embodiment, the first spiral coil 21 and the second spiral coil between every 22 have different pitch, and the pitch of the such as first spiral coil 21 is less than the pitch of the second spiral coil 22. The interval that bigger pitch is formed contributes to the bone interior growth to ligament, i.e. by providing through spiral coil Big opening.These big openings contribute to carrying the fluid of cell and nutrition and flow through spiral coil, and allow The interior growth of tissue strides across spiral coil, thus strengthens the bone interior growth to ligament.

Alternatively embodiment, one or more pillars are arranged in the first spiral coil 21 and the second spiral shell The inside of volution 22, wherein these one or more pillars are fixed to the first spiral coil 21 and the second spiral On the inner surface of circle 22.These one or more pillars provide and are used for making the first spiral coil 21 and the second spiral Circle 22 device that period rotates in being deployed in health, these one or more pillars 45 can give the first spiral Circle 21 and the second spiral coil 22 provide structure to support.These one or more pillars 45 can be with spiral coil 20 It is integrally formed (such as passing through molding process), or it can be separately from the first spiral coil 21 and the second spiral coil 22 and formed, and in single manufacturing process, be then attached to the first spiral coil 21 and the second spiral Circle 22 (such as by welding).At these one or more pillars and the first spiral coil 21 and the second spiral coil In the case of 22 are integrally formed, these one or more pillars 45 can be used for helping stream to be fused to suitable position Put.

In a kind of preferred form of the present invention, these one or more pillars include helical structure.And In the particularly preferred form of one of the present invention, these one or more pillars include helical structure, its along Spiral in the direction contrary with the spiral of the first spiral coil 21 and the second spiral coil 22, and this or many Individual pillar has the pitch that the pitch of the first spiral coil 21 and the second spiral coil 22 is much bigger.

Band wire holdfast 2 is overall uses the design of full hollow out, and this design makes the postoperative blood can be well into station track In, at utmost reducing implant and sclerotin is taken, hollow out rivet nut is such as support simultaneously, guides bone long Enter.

For the ease of the installation of holdfast, rostellum portion 23 uses self tapping to design, and holdfast head tapering is relatively big, makes When holdfast is implanted more easily, possesses self tapping effect.

As a kind of optional embodiment, the 3rd spiral coil, the 3rd spiral can be set in rostellum portion 23 Enclose and be connected with the second spiral coil head and the tail.

For the ease of driving band wire holdfast, alternatively embodiment, the first spiral coil 21 is with internal Pillar forms drive division at near-end, and described drive division has specific shape of cross section so that in drive division Receive driving instrument, this shape of cross section can be common geometry, as square, pentagon, Can also specific shape according to the actual needs.

Last it is noted that above example is only in order to illustrate technical scheme, rather than to it Limit;Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or Person carries out equivalent to wherein portion of techniques feature;And these amendments or replacement, do not make corresponding skill The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. an anchoring piece, including:
The first spiral coil being sequentially distributed by proximate direction and the second spiral coil;
For supporting described first spiral coil and at least one inner leg of described second spiral coil, described Inner leg is distributed in the hollow bulb formed by described first spiral coil circle and described second spiral coil circle;
It is positioned at the rostellum portion of distal tip, described rostellum portion and described second spiral coil and described inner leg Extend at distal direction and connect.
Anchoring piece the most according to claim 1, it is characterised in that:
On the direction of proximate, the end of described first spiral coil initiates with described second spiral coil End is connected.
Anchoring piece the most according to claim 1, it is characterised in that:
Described first spiral coil has the first pitch, and described second spiral coil has the second pitch, and described One pitch is different from described second pitch.
Anchoring piece the most according to claim 3, it is characterised in that:
Described first pitch is less than described second pitch.
Anchoring piece the most according to claim 1, it is characterised in that:
Described inner leg is helical structure.
Anchoring piece the most according to claim 5, it is characterised in that:
The pitch of described inner leg is more than described first pitch and described second pitch.
Anchoring piece the most according to claim 5, it is characterised in that:
The spiral rotating direction of described inner leg and described first spiral coil and the rotation of described second spiral coil Turn in opposite direction.
Anchoring piece the most according to claim 1, it is characterised in that:
Described rostellum portion is provided with the 3rd spiral coil;
On the direction of proximate, the initiating terminal of described 3rd spiral coil and described second spiral coil end End is connected.
9. according to the anchoring piece described in claim 1 or 8, it is characterised in that:
Described rostellum portion is provided with horizontal through hole, by placing stitching thread and described in through hole The tail end of stitching thread can be through described hollow bulb the near-end passing described anchoring piece.
Anchoring piece the most according to claim 1, it is characterised in that:
Described first spiral coil and described inner leg form drive division at near-end, and described drive division has spy Fixed shape of cross section is to receive driving instrument in drive division.
CN201610387959.4A 2016-06-02 2016-06-02 Anchoring piece CN105943103B (en)

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Application Number Priority Date Filing Date Title
CN201610387959.4A CN105943103B (en) 2016-06-02 2016-06-02 Anchoring piece

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Application Number Priority Date Filing Date Title
CN201610387959.4A CN105943103B (en) 2016-06-02 2016-06-02 Anchoring piece

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108403173A (en) * 2017-12-30 2018-08-17 深圳市立心科学有限公司 The extruding nail and its assembly tool of the fixed ligament of orthopaedics

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040267264A1 (en) * 2003-06-27 2004-12-30 Konieczynski David D. Polyaxial bone screw
CN102551826A (en) * 2010-08-30 2012-07-11 德普伊米特克公司 Suture anchor and threader
US20120323242A1 (en) * 2011-06-16 2012-12-20 Industrial Technology Research Institute Surgical awl and method of using the same
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 Be used for restoreing defective device of ligament or tendon
CN205814369U (en) * 2016-06-02 2016-12-21 北京德益达美医疗科技有限公司 Anchoring piece

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040267264A1 (en) * 2003-06-27 2004-12-30 Konieczynski David D. Polyaxial bone screw
CN102551826A (en) * 2010-08-30 2012-07-11 德普伊米特克公司 Suture anchor and threader
US20120323242A1 (en) * 2011-06-16 2012-12-20 Industrial Technology Research Institute Surgical awl and method of using the same
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 Be used for restoreing defective device of ligament or tendon
CN205814369U (en) * 2016-06-02 2016-12-21 北京德益达美医疗科技有限公司 Anchoring piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108403173A (en) * 2017-12-30 2018-08-17 深圳市立心科学有限公司 The extruding nail and its assembly tool of the fixed ligament of orthopaedics

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