CN104306035A - Fishhook-shaped soft tissue fixing needle - Google Patents
Fishhook-shaped soft tissue fixing needle Download PDFInfo
- Publication number
- CN104306035A CN104306035A CN201410553797.8A CN201410553797A CN104306035A CN 104306035 A CN104306035 A CN 104306035A CN 201410553797 A CN201410553797 A CN 201410553797A CN 104306035 A CN104306035 A CN 104306035A
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- China
- Prior art keywords
- needle
- soft tissue
- fish hook
- fishhook
- needle body
- 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
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- 210000004872 soft tissue Anatomy 0.000 title claims abstract description 50
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 241000251468 Actinopterygii Species 0.000 claims description 57
- 238000009958 sewing Methods 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 210000000845 cartilage Anatomy 0.000 abstract description 51
- 210000000988 bone and bone Anatomy 0.000 abstract description 30
- 210000002435 tendon Anatomy 0.000 abstract description 13
- 210000003041 ligament Anatomy 0.000 abstract description 7
- 230000008439 repair process Effects 0.000 description 16
- 230000007547 defect Effects 0.000 description 9
- 210000000689 upper leg Anatomy 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 210000001185 bone marrow Anatomy 0.000 description 4
- 208000013201 Stress fracture Diseases 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000256852 Aculeata Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 210000000130 stem cell Anatomy 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- LCSKNASZPVZHEG-UHFFFAOYSA-N 3,6-dimethyl-1,4-dioxane-2,5-dione;1,4-dioxane-2,5-dione Chemical group O=C1COC(=O)CO1.CC1OC(=O)C(C)OC1=O LCSKNASZPVZHEG-UHFFFAOYSA-N 0.000 description 1
- 241000489982 Lagodon rhomboides Species 0.000 description 1
- 206010061223 Ligament injury Diseases 0.000 description 1
- 201000009859 Osteochondrosis Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001804 debridement Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000002758 humerus Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06066—Needles, e.g. needle tip configurations
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a fishhook-shaped soft tissue fixing needle, and belongs to the technical field of medical instruments. The fishhook-shaped soft tissue fixing needle comprises a needle body, wherein the diameter of the needle body is 0.5-1.0mm; a fishhook part is arranged at the tip end of the needle body; the tip end of the fishhook body is a cutting needle; a V-shaped included angle is formed between the fishhook part and the needle body, and the V-shaped included angle is 25-45 degrees. The whole structure of the fishhook-shaped soft tissue fixing needle is smaller in whole structural size; the diameter of the needle part is only 0.5-1.0mm; the diameter of the connecting part between the needle body and the fishhook part is 1.0-2.0mm; the fishhook-shaped soft tissue fixing needle is specially suitable for cartilage repairing and children tendon and ligament repairing. The needle body and the fishhook part of the fixing needle are V-shaped; the V-shaped included angle is elastically changed, and can be expanded and closed; as the tip end of the fishhook part is the cutting needle; during use, the V-shaped part is easily inserted into the preset cancellous bone hole; when the needle is pulled out, the V-shaped part is slightly opened; as the external force exists, the cutting needle can hook the cancellous bone and is not pulled out.
Description
Technical field
The invention belongs to technical field of medical instruments, relate to a kind of soft tissue fixation devices, be specifically related to a kind of fish hook shape soft tissue locking pin.
Background technology
Severe osteoarthritis, osteochondral defect, tendon, ligament injury have become very common orthopaedic disease.When being repaired by operation, only have cartilage, tendon desmorrhaphy is fixed on bone surface, cartilage and tendon growth just can be made to be attached on surface of bone, reach last healing and repair.During repair of cartilage, because of human body cartilage very thin (thickness is about 1 ~ 2mm), be difficult to directly will to transplant cartilage and surrounding cartilage and sew up and fix.Clinically, bone-cartilage transplant is all adopted to carry out repair of cartilage, during operation, first get into the cave in spongy bone in cartilage defect place, again by bone hole good for bone-cartilage transplant (donor) implant drill, reach fixation, although transplant osseocartilaginous surface cartilage also can reach fixing and repairing effect, but clinically because bone cartilage donor source is limited, thus clinical practice is also limited.
Due to human bone cartilage limited source, various in style with various cartilage repair tissue of bioengineered tissue making in the last few years, but cannot these grafts and surrounding cartilage directly be sewed up fixing, need first engineered cartilage and artificial bone to be processed into bone-cartilage complex, again by artificial bone-cartilage complex implantable bone hole, reach fixation.But, engineered cartilage and Engineering Bone are processed into artificial bone-cartilage complex, considerably increase development difficulty and cost, and implant the biological respinse of rear local organization.
In the later stage eighties, fix for tendon repair with various holdfast (suture anchors), but holdfast diameter, generally at more than 5mm, because holdfast volume is excessive, cannot be used for the fixing of cartilage and infant soft tissue and tendon repair.Zimmer company develops with the reparation for cartilage defect after biogum and cartilage mixing, but curative effect can't be affirmed, is because biogum likely closes micro-fracture hole, is unfavorable for that bone marrow and bone marrow stem cell enter and repairs district.
Summary of the invention
In order to overcome the defect that above-mentioned prior art exists, the object of the present invention is to provide a kind of fish hook shape soft tissue locking pin, this locking pin deft design, structure are simple, easily cartilage or biological engineering cartilage graft can be sewed up the bone surface being fixed on cartilage defect place, thus efficiently solve the common fixing difficult problem of repair of cartilage in prior art.
The present invention is achieved through the following technical solutions:
A kind of fish hook shape soft tissue locking pin, comprise needle body, the diameter of needle body is 0.5 ~ 1.0mm; Be provided with fish hook portion at the tip of needle body, the tip in fish hook portion is cutting needle, fish hook portion and the V-shaped angle of needle body, and v-angle is 25 ~ 45 °.
The length of described needle body is 0.8 ~ 1.4cm.
The diameter of needle body and junction, fish hook portion is 1.0 ~ 2.0mm, is just in time the twice of needle body diameter, convenient manufacture.
The v-angle that described fish hook portion and needle body are formed is 30 °.
Be provided with stitching thread at the afterbody of needle body, stitching thread two ends are respectively equipped with sewing needle, and needle body tail diameter is greater than needle body diameter, but must be less than the twice of needle body diameter.
Be provided with for passing sewing needle or sutural pinprick at the afterbody of needle body.
Described stitching thread adopts suture.
Described sewing needle is of a size of #4/0, #5/0 or #6/0.
Fish hook shape soft tissue locking pin is made up of medical stainless steel.
Compared with prior art, the present invention has following useful technique effect:
Fish hook shape soft tissue locking pin of the present invention, overall structure is small-sized, and body sections diameter only has 0.5 ~ 1.0mm, and the diameter of needle body and junction, fish hook portion also only has 1.0 ~ 2.0mm, is specially adapted to the reparation of repair of cartilage and infant tendon, ligament.Needle body and the fish hook portion of locking pin are V-shape, the flexible change of v-angle, can Zhang Kehe, because tip, fish hook portion is cutting needle, in use, locking pin is inserted in preset Grafting Cancellous Bone Bolt hole, when pin is pulled outwardly, V-type portion can slightly open, but owing to being subject to External Force Acting, triangle needle point can hook spongy bone and not easily be pulled out.
Advantage applies of the present invention exists:
1, engineered cartilage directly can be fixed on bone surface by fish hook shape soft tissue locking pin of the present invention, does not need to prepare artificial bone-cartilage complex;
2, because size is very little, the widest part diameter also only about 1.0 ~ 2.0mm, and the design in fish hook portion, can effectively avoid needle body to deviate from, fixed;
3, fish hook shape soft tissue locking pin of the present invention can do the process of micro-fracture at the bone surface of cartilage defect, under bone marrow and bone marrow stem cell directly can enter engineered cartilage, accelerate engineered cartilage at the healing rate of bone surface, be conducive to stimulating and promotion is organized and self healed;
4, the present invention effectively can be applied to the fixing of cartilage and infant soft tissue and tendon repair, and local organization reaction and minimum to ambient influence after implanting, the damage caused during use is very little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of embodiments of the invention 1;
Fig. 3 is the structural representation of embodiments of the invention 2;
Wherein: 1 is needle body; 2 is fish hook portion; 3 is pinprick; 4 is sewing needle; 5 is stitching thread.
Fig. 4 is the reparation schematic diagram before condyle of femur surface cartilage inserts locking pin;
Fig. 5 is the reparation schematic diagram after condyle of femur surface cartilage inserts locking pin;
Fig. 6 is that condyle of femur surface cartilage repairs sectional view.
Wherein, a is condyle of femur surface cartilage; B is cartilage defect place; C is for transplanting cartilage or engineered cartilage; D is locking pin.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
See Fig. 1, a kind of fish hook shape soft tissue locking pin of the present invention, comprise needle body 1, the length of needle body 1 is 0.8 ~ 1.4cm, and the diameter of needle body 1 is 0.5 ~ 1.0mm; Be provided with fish hook portion 2 at the tip of needle body 1, the tip in fish hook portion 2 is cutting needle, fish hook portion 2 and the V-shaped angle of needle body 1, and v-angle is 25 ~ 45 °, and the flexible change of angle, can Zhang Kehe.The diameter of needle body 1 and junction, fish hook portion 2 is 1.0 ~ 2.0mm, is just in time the twice of needle body diameter, convenient manufacture.Fish hook shape soft tissue locking pin is made up of medical stainless steel, and bio-compatible is good, and fixation is reliable.
Embodiment 1
See Fig. 2, a kind of fish hook shape soft tissue locking pin, comprises needle body 1, is provided with fish hook portion 2 at the tip of needle body 1, and fish hook portion 2 and the V-shaped angle of needle body 1, the tip in fish hook portion 2 is cutting needle.Fish hook portion 2 and the V-shaped angle of needle body 1, the v-angle number of degrees are 30 °.Be provided with pinprick 3 at the afterbody of needle body 1, needle body tail diameter is greater than needle body diameter, but must be less than the twice of needle body diameter.Be installed with stitching thread 5 in pinprick 3, stitching thread 5 is provided with sewing needle 4, and sewing needle 4 is of a size of #4/0, #5/0 or #6/0.
Embodiment 2
See Fig. 3, also be a kind of fish hook shape soft tissue locking pin of the present invention, as different from Example 1, the afterbody of the needle body 1 of this locking pin carries stitching thread 5, stitching thread 5 is fixed on needle body 1 afterbody, and stitching thread 5 adopts suture to be used for sewing up fixing soft tissue, by cartilage, tendon, ligament etc. are fixed on bone surface.Suture can adopt, as treasured health suture (Ethibond) or absorbable suture, as Vicryl.
Further, in use, in order to prevent the V-type portion frangibility of fish hook shape soft tissue locking pin of the present invention, this V-type portion V-type radian when processing and manufacturing slightly becomes round and smooth angle.
See Fig. 4 ~ 6, fish hook shape soft tissue locking pin of the present invention is when repairing condyle of femur surface cartilage:
1. first by clean for condyle of femur surface cartilage a defect place bone table b face debridement, then bore several bone hole at defect place and do the process of micro-fracture, in through spongy bone, bone hole dia is about greater than the diameter of 2 times of fish hook shape soft tissue locking pins, and the bone hole degree of depth is greater than the length in fish hook shape soft tissue locking pin fish hook portion.
2. fish hook shape soft tissue locking pin is inserted in pre-drilled bone hole.During insertion, its V-type end closes up because of extruding, and needle body is easy to insert in bone hole.
3. this fish hook shape soft tissue locking pin, because V-type portion pin end is cutting needle, when pin is pulled outwardly, V-type portion can slightly open, and the triangle needle point in fish hook portion can hook spongy bone and not easily be pulled out.
4., because the Aculeata of fish hook shape soft tissue locking pin needle body is provided with pinprick, sewing needle or stitching thread can be penetrated, or also can carry stitching thread by needle body afterbody.Fix soft tissue by this suture, by cartilage, tendon, ligament etc. are fixed on bone surface.
5. as shown in the figure, use the fish hook shape soft tissue locking pin d of more than three or three to fix, the surrounding of transplanting cartilage or engineered cartilage c and central authorities are all fixed.
Fish hook shape soft tissue locking pin of the present invention design is tiny, local organization reaction and minimum to ambient influence after implanting.This fish hook soft tissue locking pin adopts medical stainless steel to make, and bio-compatible is good, and fixation is reliable.Aculeata suture needle line directly sews up cartilage, tendon, ligament or other soft tissues, and is fixed in bone surface.
Biomechanical analysis
Use the fish hook shape soft tissue locking pin of 0.6mm diameter band wire to make Biomechanics test, on pig head of humerus, bore the dark hole of 10mm with 1.4mm drill bit, then by fish hook shape soft tissue locking pin patchhole.
Test with mechanics of materials machine (MTS) maximum pull that fish hook shape soft tissue locking pin extracts, result is as shown in table 1 below:
Table 1
| Maximum pull (N) | SD | Remarks | |
| The fish hook soft tissue locking pin of band wire | 12.1 | 0.53 | Suture breaks at the eye of a needle place |
| Only with fish hook soft tissue locking pin | 22.4 | 0.85 | Locking pin is pulled out |
Fish hook shape soft tissue locking pin of the present invention solves the common fixing difficult problem of repair of cartilage.During repair of cartilage, bone-cartilage transplant need not be adopted to implant and to carry out repair of cartilage, this locking pin is easy to cartilage or biological engineering cartilage graft to sew up the bone surface being fixed on cartilage defect place, greatly simplify the operation technique of bone repair of cartilage, be beneficial to cartilage surface reparation.The shaft diameter of the Chang Yong Anchor nail of commercial type is all at more than 2.4mm, and its wing is wide reaches more than 7.8mm, and the minimum holdfast wing is wide also reaches 2.7mm, and therefore, it is used for tendon of being grown up, the prosthesis of ligament, and the process for machining and manufacturing of this holdfast is very complicated.And fish hook shape soft tissue locking pin of the present invention is small and exquisite because designing, manufacture simple, can be used for the tendon of infant, ligament repair is performed the operation.
Claims (9)
1. a fish hook shape soft tissue locking pin, is characterized in that, comprises needle body (1), and the diameter of needle body (1) is 0.5 ~ 1.0mm; Be provided with fish hook portion (2) at the tip of needle body (1), the tip of fish hook portion (2) is cutting needle, fish hook portion (2) and needle body (1) V-shaped angle, and v-angle is 25 ~ 45 °.
2. a kind of fish hook shape soft tissue locking pin according to claim 1, it is characterized in that, the length of described needle body (1) is 0.8 ~ 1.4cm.
3. a kind of fish hook shape soft tissue locking pin according to claim 1, it is characterized in that, the diameter of needle body (1) and fish hook portion (2) junction is 1.0 ~ 2.0mm.
4. a kind of fish hook shape soft tissue locking pin according to claim 1, is characterized in that, the v-angle that described fish hook portion (2) and needle body (1) are formed is 30 °.
5. a kind of fish hook shape soft tissue locking pin according to claim 1, it is characterized in that, be provided with stitching thread (5) at the afterbody of needle body (1), stitching thread (5) two ends are respectively equipped with sewing needle (4).
6. a kind of fish hook shape soft tissue locking pin according to claim 1, is characterized in that, is provided with for the pinprick (3) through sewing needle (4) or stitching thread (5) at the afterbody of needle body (1).
7. a kind of fish hook shape soft tissue locking pin according to claim 5 or 6, is characterized in that, described stitching thread (5) adopts suture.
8. a kind of fish hook shape soft tissue locking pin according to claim 6, it is characterized in that, described sewing needle (4) is of a size of #4/0, #5/0 or #6/0.
9. a kind of fish hook shape soft tissue locking pin according to claim 1, is characterized in that, this fish hook shape soft tissue locking pin is made up of medical stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553797.8A CN104306035A (en) | 2014-10-17 | 2014-10-17 | Fishhook-shaped soft tissue fixing needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553797.8A CN104306035A (en) | 2014-10-17 | 2014-10-17 | Fishhook-shaped soft tissue fixing needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104306035A true CN104306035A (en) | 2015-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410553797.8A Pending CN104306035A (en) | 2014-10-17 | 2014-10-17 | Fishhook-shaped soft tissue fixing needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104306035A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106491169A (en) * | 2016-09-29 | 2017-03-15 | 哈尔滨医科大学 | A kind of absorbable tendon repair device and its production and use |
| CN114869375A (en) * | 2022-05-20 | 2022-08-09 | 尤尼泰科(重庆)医疗科技有限公司 | Octopus-shaped suture anchor and suture method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5141520A (en) * | 1991-10-29 | 1992-08-25 | Marlowe Goble E | Harpoon suture anchor |
| US5527342A (en) * | 1993-12-14 | 1996-06-18 | Pietrzak; William S. | Method and apparatus for securing soft tissues, tendons and ligaments to bone |
| US5843084A (en) * | 1995-11-17 | 1998-12-01 | Innovasive Devices, Inc. | Surgical fastening system and method for using the same |
| CN2525947Y (en) * | 2002-03-04 | 2002-12-18 | 陈唯宁 | Medical fixing nail |
| CN201361057Y (en) * | 2009-02-25 | 2009-12-16 | 李桂民 | Intraepithelial stitching instrument |
| EP2446837A2 (en) * | 2010-10-28 | 2012-05-02 | Tyco Healthcare Group LP | Wound closure device including barbed pins |
| CN103961147A (en) * | 2013-01-25 | 2014-08-06 | 柯惠Lp公司 | Hydrogel filled barbed suture |
| CN204218958U (en) * | 2014-10-17 | 2015-03-25 | 邓相华 | A kind of fish hook shape soft tissue locking pin |
-
2014
- 2014-10-17 CN CN201410553797.8A patent/CN104306035A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5141520A (en) * | 1991-10-29 | 1992-08-25 | Marlowe Goble E | Harpoon suture anchor |
| US5527342A (en) * | 1993-12-14 | 1996-06-18 | Pietrzak; William S. | Method and apparatus for securing soft tissues, tendons and ligaments to bone |
| US5843084A (en) * | 1995-11-17 | 1998-12-01 | Innovasive Devices, Inc. | Surgical fastening system and method for using the same |
| CN2525947Y (en) * | 2002-03-04 | 2002-12-18 | 陈唯宁 | Medical fixing nail |
| CN201361057Y (en) * | 2009-02-25 | 2009-12-16 | 李桂民 | Intraepithelial stitching instrument |
| EP2446837A2 (en) * | 2010-10-28 | 2012-05-02 | Tyco Healthcare Group LP | Wound closure device including barbed pins |
| CN103961147A (en) * | 2013-01-25 | 2014-08-06 | 柯惠Lp公司 | Hydrogel filled barbed suture |
| CN204218958U (en) * | 2014-10-17 | 2015-03-25 | 邓相华 | A kind of fish hook shape soft tissue locking pin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106491169A (en) * | 2016-09-29 | 2017-03-15 | 哈尔滨医科大学 | A kind of absorbable tendon repair device and its production and use |
| CN114869375A (en) * | 2022-05-20 | 2022-08-09 | 尤尼泰科(重庆)医疗科技有限公司 | Octopus-shaped suture anchor and suture method thereof |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150128 |