CN106691629A - Reinforcing interface nail - Google Patents

Reinforcing interface nail Download PDF

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Publication number
CN106691629A
CN106691629A CN201710045719.0A CN201710045719A CN106691629A CN 106691629 A CN106691629 A CN 106691629A CN 201710045719 A CN201710045719 A CN 201710045719A CN 106691629 A CN106691629 A CN 106691629A
Authority
CN
China
Prior art keywords
strengthening groove
face
threaded portion
interface
screw thread
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.)
Pending
Application number
CN201710045719.0A
Other languages
Chinese (zh)
Inventor
刘继强
赵学东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yun Yi (beijing) Medical Equipment Co Ltd
Original Assignee
Yun Yi (beijing) Medical Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yun Yi (beijing) Medical Equipment Co Ltd filed Critical Yun Yi (beijing) Medical Equipment Co Ltd
Priority to CN201710045719.0A priority Critical patent/CN106691629A/en
Publication of CN106691629A publication Critical patent/CN106691629A/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/08—Muscles; Tendons; Ligaments
    • A61F2/0811—Fixation devices for tendons or ligaments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/04—Macromolecular materials
    • A61L31/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/08—Muscles; Tendons; Ligaments
    • A61F2/0811—Fixation devices for tendons or ligaments
    • A61F2002/0817—Structure of the anchor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/08—Muscles; Tendons; Ligaments
    • A61F2/0811—Fixation devices for tendons or ligaments
    • A61F2002/0847—Mode of fixation of anchor to tendon or ligament
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0008—Fixation appliances for connecting prostheses to the body
    • A61F2220/0016—Fixation appliances for connecting prostheses to the body with sharp anchoring protrusions, e.g. barbs, pins, spikes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0067—Three-dimensional shapes conical

Abstract

The invention discloses a reinforcing interface nail. The reinforcing interface nail comprises a top, wherein a thread portion is connected onto the top, the top and the thread portion are of integrated structure, a thread is arranged on the surface of the thread portion, the outer edge of the thread is smooth and flat, and a reinforcing groove is further formed in the surface of the thread portion. The reinforcing interface nail is simple in structure, can effectively avoid screwing loosing, and further can avoid the problem that a graft is invalid in fixation, caused due to the fact that a traditional interface nail cuts ligaments.

Description

One kind strengthens interface nail
Technical field
The present invention relates to interface nail, a kind of interface of strengthening more particularly, in surgical operation is followed closely.
Background technology
ACL is one of primary structure of maintenance knee joint stabilization, dissects and biomechanics characteristic determines preceding ten Word ligament shows the diseases different from other injuries of knee joint special at aspects such as Crowds Distribute, damage mechanisms and Accompanied injuries Levy.Tears of anterior cruciate ligament causes the instability of knee, malpractice will to cause knee joint function serious hindrance.Due to damaging violence It is larger, often merge other primary structures damage, diagnose, deal with improperly will delay treatment, simultaneously because the power of ACL Function is learned increasingly to be paid attention to, and the feature caused after damage is unstable, the knee joint for causing can not meet daily life The need for motion, and a series of rear something lost lesions of knee joint can be caused, therefore operative treatment, ligament and its work(should be carried out Energy.
Anterior Cruciate Ligament Ruptures operation using interference screw or button plate can be fixed tendon graft, but Interference screw further have impact on tensile strength and tendon and the knitting of tendon to the dissection of tendon graft.And button Plate fixes adjoint " rain brush effect " and " bungee jumping effect " and may destroy biological healing processes of the graft in osseous tunnel.
Accordingly, it is desirable to provide a kind of interface nail of strengthening is to solve the above problems.
The content of the invention
In order to solve the problem, interface nail is strengthened the invention discloses one kind, the interface nail includes top, on the top Threaded portion is connected with end, the top and the threaded portion are structure as a whole, and spiral shell is provided with the surface of the threaded portion Line, the screw thread outer is set to smooth, and strengthening groove is additionally provided with the surface of the threaded portion.
It is preferred that the strengthening groove is made up of the first face and the second face, wherein first face is perpendicular to the threaded portion Outer surface, second face and first face in 90 angle, from the screw-in direction of screw thread, first face is arranged on institute State before the second face.
It is preferred that the screw thread quantity that the strengthening groove is crossed over up and down is selected from 1 or 2 or 3.
It is preferred that the depth of the strengthening groove and screw thread is highly identical.
It is preferred that the height 1-3mm long of the depth ratio screw thread of the strengthening groove.
It is preferred that the edge of the strengthening groove carries out rounding treatment.
It is preferred that the quantity of the strengthening groove is multiple, angle between two neighboring strengthening groove 30 degree to 40 degree it Between.
It is preferred that the angle between two neighboring strengthening groove is 37 degree.
It is preferred that the interface nail is made of PEEK materials, the front end of the threaded portion is set to taper, on the top Handle hole is provided with end.
Reinforcement interface nail of the invention, simple structure, the rotation that can effectively prevent interface from following closely is moved back, and is avoided that traditional interface is followed closely Cutting ligament causes the problem of graft solid failure.
A series of concept of reduced forms is introduced in Summary, this will enter in specific embodiment part One step is described in detail.The key that present invention part is not meant to attempt to limit technical scheme required for protection is special Seek peace essential features, the protection domain for attempting to determine technical scheme required for protection is not meant that more.
Below in conjunction with accompanying drawing, advantages and features of the invention are described in detail.
Brief description of the drawings
Fig. 1 is the front view followed closely according to reinforcement interface of the invention；
Fig. 2 is the top perspective view followed closely according to reinforcement interface of the invention；
Fig. 3 is the stereogram followed closely according to reinforcement interface of the invention.
Specific embodiment
In the following description, a large amount of concrete details are given to provide more thorough understanding of the invention.So And, it will be apparent to one skilled in the art that the present invention can be able to without one or more of these details Implement.In other examples, in order to avoid obscuring with the present invention, do not enter for some technical characteristics well known in the art Row description.
In order to thoroughly understand the present invention, detailed structure will be proposed in following description.Obviously, it is of the invention to implement simultaneously It is not limited to the specific details that those skilled in the art is familiar with.Presently preferred embodiments of the present invention is described in detail as follows, but In addition to these detailed descriptions, the present invention can also have other embodiment.
Embodiments of the invention are described in detail below in conjunction with accompanying drawing.
With reference to Fig. 1-Fig. 3, reinforcement interface nail according to an embodiment of the invention is shown.Reinforcement interface nail of the invention Including top 1, threaded portion 2 is connected with top 1, top 1 and threaded portion 2 are structure as a whole.The front end of threaded portion 2 is set to Taper.Such setting can ensure that resistance is smaller when entering between osseous tunnel and tendon graft, and to tendon graft Without dissection.It is provided with screw thread on the surface of threaded portion 2, and screw thread outer is set to smooth, can so protect Card is to tendon graft without dissection.Handle hole 4 can be provided with top 1 with facilitate to interface nail operate.
Strengthening groove 3 is provided with the surface of threaded portion 2.Strengthening groove 3 is made up of the first face 31 and the second face 32.Wherein Simultaneously 31 perpendicular to the outer surface of threaded portion 2, the second face 32 and the first face 31 in 90 angle.Come from the screw-in direction of screw thread Say, the first face 31 is arranged on before the second face 32.Due to being provided with strengthening groove 3 on the surface of threaded portion 2, equivalent to reduction The length of screw thread, therefore, when in use, reinforcement interface nail of the invention can reduce cutting model of the screw thread to ligament Enclose.Further, since the presence of strengthening groove, it can collect free bone bits, and thus induction of bone growth, reaches Stability Bound face nailing Purpose.Furthermore, because the first face of strengthening groove is perpendicular to the outer surface of threaded portion, and screw-in direction, first are followed closely at interface Face is arranged on before the second face, therefore, on direction is screwed out, the rotation that can prevent interface from following closely is moved back, can more preferable immobile interface Nail.
Lower-upper length on strengthening groove 3, in one example, strengthening groove crosses over 2 adjacent screw threads, such as Fig. 1 about 3 It is shown.In another example, strengthening groove crosses over 1 screw thread about 3.In another example, strengthening groove crosses over 3 phases about 3 Adjacent screw thread.
Depth on strengthening groove 3, in one example, the depth of strengthening groove 3 and screw thread it is highly identical.At another In example, the height 1-3mm long of the depth ratio screw thread of strengthening groove 3.It is too deep that the depth of strengthening groove 3 is not provided with, and mainly considers To the influence for following closely interface bulk strength.
The edge of strengthening groove 3 carries out rounding treatment, to reduce dissection of the edge to ligament.
In one example, multiple strengthening grooves 3 are provided with the surface of threaded portion 2.Between two neighboring strengthening groove 3 Angle is between 30 degree to 40 degree.Preferably, the angle between two neighboring strengthening groove 3 is 37 degree.The angle exists for strengthening groove The angle between projection on top view or upward view.
Interface nail in the present invention, its entirety can be made of PEEK (polyether-ether-ketone) material.PEEK materials have excellent Different biocompatibility and mechanical property, can be chronically implanted human body and not cause human body to repel.
Reinforcement interface nail of the invention, simple structure, the rotation that can effectively prevent interface from following closely is moved back, and is avoided that traditional interface is followed closely Cutting ligament causes the problem of graft solid failure.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to Citing and descriptive purpose, and be not intended to limit the invention in described scope of embodiments.In addition people in the art Member is it is understood that the invention is not limited in above-described embodiment, teaching of the invention can also be made more kinds of Variants and modifications, these variants and modifications are all fallen within scope of the present invention.Protection scope of the present invention by The appended claims and its equivalent scope are defined.

Claims (9)

  1. It is 1. a kind of to strengthen interface nail, it is characterised in that the interface nail includes top, and threaded portion is connected with the top, The top and the threaded portion are structure as a whole, and screw thread is provided with the surface of the threaded portion, and the screw thread outer sets It is set to smooth, strengthening groove is additionally provided with the surface of the threaded portion.
  2. 2. followed closely according to the reinforcement interface described in claim 1, it is characterised in that the strengthening groove is by the first face and the second face structure Into, wherein first face is perpendicular to the outer surface of the threaded portion, second face and the angle that first face is in 90, from spiral shell On the screw-in direction of line, first face is arranged on before second face.
  3. 3. according to described in claim 2 reinforcement interface follow closely, it is characterised in that the screw thread quantity that the strengthening groove is crossed over up and down from Selected in 1 or 2 or 3.
  4. 4. followed closely according to the reinforcement interface described in claim 2, it is characterised in that the depth of the strengthening groove and the height phase of screw thread Together.
  5. 5. followed closely according to the reinforcement interface described in claim 2, it is characterised in that the height of the depth ratio screw thread of the strengthening groove is long 1-3mm。
  6. 6. followed closely according to the reinforcement interface described in claim 2, it is characterised in that the edge of the strengthening groove is carried out at rounding Reason.
  7. 7. followed closely according to the reinforcement interface any one of claim 1-6, it is characterised in that the quantity of the strengthening groove is many Individual, the angle between two neighboring strengthening groove is between 30 degree to 40 degree.
  8. 8. followed closely according to the reinforcement interface described in claim 7, it is characterised in that the angle between two neighboring strengthening groove is 37 Degree.
  9. 9. followed closely according to the reinforcement interface described in claim 1, it is characterised in that the interface nail is made of PEEK materials, institute The front end for stating threaded portion is set to taper, and handle hole is provided with the top.
CN201710045719.0A 2017-01-20 2017-01-20 Reinforcing interface nail Pending CN106691629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710045719.0A CN106691629A (en) 2017-01-20 2017-01-20 Reinforcing interface nail

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710045719.0A CN106691629A (en) 2017-01-20 2017-01-20 Reinforcing interface nail

Publications (1)

Publication Number Publication Date
CN106691629A true CN106691629A (en) 2017-05-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710045719.0A Pending CN106691629A (en) 2017-01-20 2017-01-20 Reinforcing interface nail

Country Status (1)

Country Link
CN (1) CN106691629A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107569265A (en) * 2017-10-18 2018-01-12 运怡（北京）医疗器械有限公司 A kind of screw-in band line holdfast
CN107582118A (en) * 2017-10-18 2018-01-16 运怡（北京）医疗器械有限公司 A kind of half-thread band line holdfast
CN107714119A (en) * 2017-11-03 2018-02-23 运怡（北京）医疗器械有限公司 A kind of interference screw inversely installed
CN113679441A (en) * 2019-05-13 2021-11-23 深圳市立心科学有限公司 Extrusion nail with anti-skid function
CN114366202A (en) * 2021-12-31 2022-04-19 上海利格泰生物科技有限公司 Use method of interface screw
CN107714119B (en) * 2017-11-03 2024-05-03 运怡（北京）医疗器械有限公司 Interface screw of reverse installation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105142552A (en) * 2013-03-08 2015-12-09 德普伊新特斯产品公司 Universal length screw design and cutting instrument
CN105596076A (en) * 2016-02-26 2016-05-25 创辉医疗器械江苏有限公司 Micro-motion locking screw

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105142552A (en) * 2013-03-08 2015-12-09 德普伊新特斯产品公司 Universal length screw design and cutting instrument
CN105596076A (en) * 2016-02-26 2016-05-25 创辉医疗器械江苏有限公司 Micro-motion locking screw

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107569265A (en) * 2017-10-18 2018-01-12 运怡（北京）医疗器械有限公司 A kind of screw-in band line holdfast
CN107582118A (en) * 2017-10-18 2018-01-16 运怡（北京）医疗器械有限公司 A kind of half-thread band line holdfast
CN107714119A (en) * 2017-11-03 2018-02-23 运怡（北京）医疗器械有限公司 A kind of interference screw inversely installed
CN107714119B (en) * 2017-11-03 2024-05-03 运怡（北京）医疗器械有限公司 Interface screw of reverse installation
CN113679441A (en) * 2019-05-13 2021-11-23 深圳市立心科学有限公司 Extrusion nail with anti-skid function
CN113679440A (en) * 2019-05-13 2021-11-23 深圳市立心科学有限公司 Interface extrusion nail
CN113679440B (en) * 2019-05-13 2023-03-14 深圳市立心科学有限公司 Interface extrusion nail
CN113679441B (en) * 2019-05-13 2023-03-14 深圳市立心科学有限公司 Extrusion nail with anti-skid function
CN114366202A (en) * 2021-12-31 2022-04-19 上海利格泰生物科技有限公司 Use method of interface screw

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Application publication date: 20170524

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