CN208851546U - A kind of meniscus stitching unstrument - Google Patents
A kind of meniscus stitching unstrument Download PDFInfo
- Publication number
- CN208851546U CN208851546U CN201721738407.XU CN201721738407U CN208851546U CN 208851546 U CN208851546 U CN 208851546U CN 201721738407 U CN201721738407 U CN 201721738407U CN 208851546 U CN208851546 U CN 208851546U
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- suture
- needle
- pushing
- meniscus
- casing
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Abstract
The utility model discloses a kind of meniscus stitching unstruments in field of medical device, including casing, one end of casing is connected with pipe of pushing pin, pipe of pushing pin far from one end of casing is connected with handle, slidably connects pushing needle bar in casing, slidably connects handle of pushing pin in pipe of pushing pin, pushing needle bar is connect with handle of pushing pin, pushing needle bar includes two syringe needles far from suture needle, suture needle is equipped in the casing on the outside of handle one end of pushing pin, and is connected with suture between two syringe needles.This programme realizes that suture can be completed in single puncture in meniscus repair, will not puncture repeatedly on meniscus because of suture needle in sewing process and cause Accessory injury to meniscus by the double needle design and casing of suture needle, the design of pushing needle bar, handle of pushing pin.
Description
Technical field
The utility model relates to field of medical device, and in particular to a kind of meniscus stitching unstrument.
Background technique
Meniscus is one layer of fibrocartilage between knee joint femoral and shin bone, belongs to kneed necessary structure, right
The maintenance of function of joint plays an important role.Meniscus injury is a kind of Common Sports Injury of orthopaedics, can lead to walking or fortune
Pain and joint movement disorder when dynamic, seriously affect the quality of life of patient.Meniscus injury is mostly caused by torquing forces,
So as to cause meniscus tear, the anterior angle, relief angle and body portion of meniscus can be betided.Since meniscus blood fortune is poor, after damage not
Easy self-heal, while the meniscus torn can damage kneed other structures, cause traumatic arthritis.Conventional treatment
Mode is arthroscope lower meniscus suture or ablation, wherein the meniscus repair for retaining meniscus form is to control
Treat the optimal art formula of meniscus injury.
Meniscus suture at present mostly uses set wire type meniscus suture instruments, is operated under arthroscope cooperation, joint
The suture of mirror lower meniscus is now basic to use two methods: suturing from outside to inside and in complete, suturing skill is suitable for from outside to inside
Meniscus anterior angle and the bucket handle in body portion, vertical shape, oblique, horizontal and horizontal shape tearing.It is passed through in operation using meniscus puncture needle
Inside at meniscus tear, suture, through skin, joint capsule and meniscus anterior angle, then pass through in meniscus tear outside joint
Lateral margin draws suture to intra-articular, after then drawing suture to outside joint by another meniscus puncture needle, then suture is beaten
Knot is fixed.
The suture equipment that suture mostly uses at present in complete is the fast-fix sewing system of brightness company, Xerox production, is suitable for
Meniscus relief angle and the bucket handle in body portion, vertical shape tearing.It needs to puncture two needles in sewing process, and two suture anchors is placed in
Meniscus outer rim, the meniscus of bracing wire knotting stationary burst, sewing process need preferable operation skill, suture idicatio phase
To relatively narrow, sewing process is also relative complex, and sewing needle is relatively thick, damages when puncturing meniscal tissue relatively large.
Above-mentioned suture way is all made of single needle suture, the disadvantage is that needing knotting of repeatedly threading a needle on meniscus in art, needs
When cableties are arranged on meniscus and are used to fix end or the fixed suture of suture, end knots forms line on meniscus
Knot, cableties and knot are easy to cause meniscus Accessory injury, and in order to enable suture can long duration of action, corresponding cableties and
Knot is made of the nonabsorbable material of human body, be easy to cause the foreign body reaction of human body in this way.Therefore, current suturing skill and
There is certain deficiency in suture instruments, be not able to satisfy operation needs increasingly.
Utility model content
The utility model is intended to provide a kind of meniscus stitching unstrument, to solve meeting in existing meniscus stitching unstrument use process
The problem of Accessory injury easily is caused to meniscus is repeatedly being punctured on meniscus.
In order to achieve the above objectives, the basic technology scheme of the utility model is as follows: a kind of meniscus stitching unstrument, including set
Pipe, one end of casing are connected with pipe of pushing pin, and pipe of pushing pin is connected with handle far from one end of casing, slidably connects and pushes pin in casing
Bar slidably connects handle of pushing pin in pipe of pushing pin, and pushing needle bar is connect with handle of pushing pin, and pushing needle bar is far from the casing on the outside of handle one end of pushing pin
Interior to be equipped with suture needle, suture needle includes two needle guards, is connected with suture between two needle guards.
The principle of this programme: when practical application, casing is oriented to and is supported to it for loading suture needle, pushing needle bar,
Pipe of pushing pin is for loading handle of pushing pin, and handle is for holding operation stitching unstrument, and pushing needle bar is for transmitting powered needle sports pair
Meniscus is sutured, and handle of pushing pin is used to transmit extraneous powered pushing needle bar movement, and suture needle is for suturing on meniscus
Breach, for needle guard for puncturing to meniscus and suture being guided to suture, the both ends that suture is used to tense breach on meniscus are real
The suture of breach on existing meniscus.Suture needle is placed in casing when use, the needle guard of suture needle is held towards the open end of casing
Handle push pin handle by pushing needle bar by suture needle to meniscus push, two needle guards of suture needle are on meniscus from the one of breach
The lateral other side punctures traction sutures and the two sides of breach is tensed fitting, is closed breach, by suture on two needle guards
The single puncture suture that breach on meniscus can be realized is fixed in both ends.
The advantages of this programme, is: realizing half a month by the design of the crosspointer Analysis of Nested Design and casing of suture needle, pushing needle bar, handle of pushing pin
Suture can be completed in single puncture in plate suture, will not puncture repeatedly on meniscus to half a month because of suture needle in sewing process
Plate causes Accessory injury.
Preferred embodiment one, as a kind of improvement of basic scheme, suture is equipped with hangnail, and hangnail is obliquely installed, suture two
The hangnail inclined direction at end is on the contrary, one end of hangnail is fixed on suture, and one end that hangnail is connected with suture is close to the end of suture
Portion.Suture can be fixed in human body by the hangnail on suture and the clamping between tissue in this way, without logical
It crosses cableties and knotting fixation is fixed or carried out to the end of suture, avoid cableties, knot to the mill of meniscus and articular surface
Damage avoids the reaction of the brings human body foreign body such as cableties.
Preferred embodiment two, preferably one a kind of improvement, hangnail include left thorn piece and right thorn piece, left and right thorn piece
Positioned at the two sides of suture, left thorn piece is set side by side on suture with right thorn piece.As it is preferably such can by left and right hangnail
Increase the contact between suture and tissue, so that suture is closer to the suture of meniscus breach, so that suture stress is more evenly,
It will not cause suture is small to the suture power of breach to cause seam failure because of suture unilateral side stress, will not influence half a month board group around
The stress knitted causes meniscus to deform.It is set side by side so that left and right thorn piece uniform force is stitched so that suture is more uniformly stressed
Line is more preferable to the sewing effect of meniscus breach, and the suture ends cut after suture are more neat, will not cause to surrounding tissue
It influences.
The middle part of preferred embodiment three, a kind of preferably two improvement, suture is equipped with smooth section.As preferably in this way
Smooth section can be made to be located at the inside of meniscus after it has been gathered, smooth section will not cause to wear to meniscus medial surface and articular surface.
Preferred embodiment four, a kind of preferably three improvement, the end of suture is detachably connected on the tail end of needle guard.
It is arranged after facilitating suture in this way and is detached from needle guard and suture, is conducive to bury the end of a thread of suture and subcutaneously without being an exposure to skin
Skin surface is conducive to the healing of wound.
Preferred embodiment five, preferably four a kind of improvement, two needle guards are arranged side by side, and the inside of two needle guards is equal
Equipped with syringe needle, syringe needle is detachably connected in needle guard, and the end connection of suture and syringe needle, needle guard is located on the inside of casing.It sets side by side
Convenient for puncturing to the both ends of breach, needle guard can protect syringe needle the needle guard set, can be by needle when using pushing needle bar
The tail end setting of set accommodates the space of suture, carries out puncture suture to the promotion of needle guard by pushing needle bar, pushing needle bar will not opposite joint
Line causes to squeeze；Even if not using pushing needle bar by syringe needle, puncture suture can also be carried out by clamping syringe needle by tweezers, so that being applicable in
Range is wider.
Preferred embodiment six, preferably five a kind of improvement, hangnail and suture are material one absorbed by the body
It is body formed.It is provided in this way and is conducive to after it has been gathered bury suture with subcutaneously, suture after healing is absorbed by the human body,
Without carrying out processing of taking out stitches again, the infection to wound is performed the operation in reduction again may.
Preferred embodiment seven, preferably six a kind of improvement offer open slot on pipe of pushing pin along its length, push away
Integrally formed with pushing block on needle handle, the upper end of pushing block passes through open slot, and the upper end of pushing block is in being obliquely installed for high-end close casing,
Pushing block upper end is equipped with anti-skid chequer.It is extraneous convenient for operation that open slot be exposed to pushing block can, is obliquely installed and with anti-skid chequer
Pushing block upper end when in use it is more laborsaving and stablize, keep stitching unstrument more convenient to use.
Preferred embodiment eight, preferably seven a kind of improvement, the section for pipe of pushing pin are greater than the section of casing.This sample prescription
Just the connection between casing and pipe of pushing pin, it is convenient that handle of pushing pin is limited in pipe of pushing pin, facilitate the size of control handle to have
Conducive to gripping.
Preferred embodiment nine, preferably a kind of eight improvement, pushing needle bar circumferentially extend to be formed close to one end of suture needle
Push plate.Setting forms the area that push plate increases boom end of pushing pin in this way, is conducive to the stable push suture needle of pushing needle bar, avoids suture needle
Dislocation causes suture needle push failure between pushing needle bar.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of suture needle in the utility model embodiment；
Fig. 3 is the schematic cross-section of suture needle in the utility model embodiment middle sleeve；
Fig. 4 is the use schematic diagram of stitching unstrument in the utility model embodiment；
Fig. 5 is the use schematic diagram of suture needle in the utility model embodiment.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description include: syringe needle 1, suture 2, hangnail 3, left thorn piece 4, right thorn piece 5, smooth section 6,
Needle guard 7, meniscus 8, push plate 9, pushing needle bar 10, casing 11, pipe 12 of pushing pin, handle 13 of pushing pin, handle 14, pushing block 15.
Embodiment 1, substantially as shown in attached drawing 1, Fig. 2: a kind of meniscus stitching unstrument,
Including casing 11, integrally formed with pipe 12 of pushing pin, the section for pipe 12 of pushing pin is greater than casing 11 for one end of casing 11
Section, the one end of pipe 12 far from casing 11 of pushing pin slidably connect pushing needle bar 10 in casing 11, push pin in pipe 12 as handle 14
Handle 13 of pushing pin is slidably connected, pushing needle bar 10 is connect with handle 13 of pushing pin, and is offered open slot along its length on pipe 12 of pushing pin, is pushed away
Integrally formed with pushing block 15 on needle handle 13, the upper end of pushing block 15 passes through open slot, and the upper end of pushing block 15 is obliquely installed, on pushing block 15
The high-end close casing 11 at end, 15 upper surface of pushing block are equipped with anti-skid chequer, and pushing needle bar 10 is far from the casing on the outside of 13 one end of handle of pushing pin
Suture needle is equipped in 11, pushing needle bar 10 circumferentially extends to form push plate 9 close to one end of suture needle.Suture needle includes two needles arranged side by side
First 1, suture 2 is connected between two syringe needles 1, suture 2 is equipped with hangnail 3, and hangnail 3 is obliquely installed, and one end of hangnail 3 is fixed on
On suture 2, one end that hangnail 3 is connected with suture 2 is close to the end of suture 2, and 3 inclined direction of hangnail at 2 both ends of suture is on the contrary, seam
The middle part of line 2 is equipped with smooth section 6.Hangnail 3 includes left thorn piece 4 and right thorn piece 5, and left and right thorn piece 5 is located at the two sides of suture 2, left thorn
Piece 4 is set side by side on suture 2 with right thorn piece 5, and hangnail 3 and suture 2 are that polyglycolide or polycaprolactone are integrally formed.Such as Fig. 3
Shown, the outside of two syringe needles 1 is equipped with needle guard 7, and needle guard 7 is located at 11 inside of casing, and 7 one end of needle guard is tapered, the other end is opened
Mouth setting, the open end of needle guard 7 are equipped with joint-cutting along its length, and suture 2 slides in joint-cutting, can between needle guard 7 and syringe needle 1
Dismantling connection can also be fixedly connected.Being detachably connected between suture 2 and syringe needle 1 can also be fixedly connected.
In the present embodiment, when practical application, handle 13 of pushing pin can connect hydraulic or pneumatic shuttle, by hydraulic or air pressure into
The promotion of capable handle 13 of pushing pin, it is more laborsaving.
In the present embodiment, before use, the pushing block 15 for handle 13 of pushing pin close 14 one end of handle, handle 13 of pushing pin in open slot are drawn
Dynamic pushing needle bar 10 is located at close to 14 side of handle, and suture needle is placed in casing 11 of the pushing needle bar 10 far from 14 side of handle, suture needle
Syringe needle 1 towards the opening of casing 11, two syringe needles 1 are located in needle guard 7 in suture needle, and the suture 2 between two syringe needles 1 is stuck in needle
In joint-cutting on set 7, the smooth section 6 on suture 2 is located between two needle guards 7, and the open end of needle guard 7 and pushing needle bar 10 are far from hand
One end of handle 14 offsets.As shown in figure 4, by the open end of casing 11 towards the inside of meniscus 8, alignment needs to suture when use
Breach, gripping handle 14 push pushing block 15 will push pin handle 13 to 11 open end of casing push, handle 13 of pushing pin push pushing needle bar 10
It is mobile to the open end of casing 11, the open end of push plate 9 and needle guard 7 on pushing needle bar 10 offset push needle guard 7 with syringe needle 1,
Suture 2 is mobile to the medial surface of meniscus 8, and needle guard 7 punctures under the action of pushing needle bar 10 from the Inside To Outside of meniscus 8.
As shown in figure 5, needle guard 7 is drawn with the synchronous both ends by suture 2 of two syringe needles 1 from the Inside To Outside of meniscus 8, needle guard 7
After passing through meniscus 8 with syringe needle 1, suture 2 also passes through meniscus 8 from the both ends of breach, hangnail 3 and meniscus 8 on suture 2
Tissue is clamped, and the smooth section 6 on suture 2, across breach, tenses suture 2 and consolidated suture 2 by hangnail 3 in the inside of meniscus 8
It is fixed that breach is tensed closure from two places are synchronous by the both ends of suture 2 within the organization, the clamping between hangnail 3 and tissue so that
Suture 2 will not be pulled by breach causes breach to split again, then cuts suture 2 or removes suture 2 from syringe needle 1, by suture 2
The end of a thread be embedded in the suture of breach on meniscus 8 subcutaneously can be completed, by using polyglycolide absorbed by the body or
Suture 2 and hangnail 3 is made in polycaprolactone, suture 2 and hangnail 3 after healing is absorbed by the body, without carrying out hand again
Art is taken out stitches, and will not be remained because of suture 2 and be generated human body foreign body reaction.Biggish breach can be carried out in repeating the above process more
Place's suture, so that breach is closed.It is unidirectionally punctured by two syringe needles 1 at 8 breach both ends of meniscus, the smooth section 6 of suture 2
Positioned at the inside of meniscus 8, hangnail 3 is located in meniscus 8 organizes, by the fixed suture 2 of hangnail 3, so that the outside of meniscus 8
Without the cableties of fixed 2 end of suture are arranged, the knot that the inside of meniscus 8 is also formed by knots tied without suture 2 is worn by single
Thorn can suture the breach on meniscus 8, will not cause because of repeatedly puncturing on meniscus 8 repeatedly to meniscus 8
Accessory injury will not cause to wear after suture to meniscus 8 or articular surface, and without cableties, knot after suture, it is different will not to generate human body
Object reaction, so that 8 suture quality of meniscus is higher, the treatment impression of patient is more preferable, is more suitable for 8 injury in treating of meniscus.
Embodiment 2, the present embodiment is the difference from embodiment 1 is that hangnail 3 includes left thorn piece 4 and right thorn piece 5, left thorn piece 4
Setting is spaced on suture 2 with right thorn piece 5.
Embodiment 3, the present embodiment is the difference from embodiment 1 is that hangnail 3 is in cone, the cone end of hangnail 3 and suture 2
It is integrally formed.
Above-described is only the embodiments of the present invention, the common sense such as well known specific structure and/or characteristic in scheme
It does not describe excessively herein.It should be pointed out that for those skilled in the art, before not departing from the utility model structure
It puts, several modifications and improvements can also be made, these also should be considered as the protection scope of the utility model, these all will not shadow
Ring effect and patent practicability that the utility model is implemented.This application claims protection scope should be in its claim
Subject to appearance, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (10)
1. a kind of meniscus stitching unstrument, it is characterised in that: including casing, one end of casing is connected with pipe of pushing pin, and pipe of pushing pin is separate
One end of casing is connected with handle, slidably connects pushing needle bar in casing, slidably connects handle of pushing pin in pipe of pushing pin, pushing needle bar with
Handle of pushing pin connection, for pushing needle bar far from being equipped with suture needle in the casing pushed pin on the outside of handle one end, the suture needle includes two needle guards, and two
Suture is connected between the needle guard.
2. meniscus stitching unstrument according to claim 1, it is characterised in that: the suture is equipped with hangnail, the hangnail
Be obliquely installed, the hangnail inclined direction at suture both ends on the contrary, one end of hangnail is fixed on suture, hangnail be connected with suture one
It holds close to the end of suture.
3. meniscus stitching unstrument according to claim 2, it is characterised in that: the hangnail includes left thorn piece and right thorn piece,
Left and right thorn piece is located at the two sides of suture, and the left thorn piece is set side by side on suture with right thorn piece.
4. meniscus stitching unstrument according to claim 3, it is characterised in that: the middle part of the suture is equipped with smooth section.
5. meniscus stitching unstrument according to claim 4, it is characterised in that: the end of the suture is detachably connected on needle
The tail end of set.
6. meniscus stitching unstrument according to claim 5, it is characterised in that: two needle guards are arranged side by side, two needles
It is equipped with syringe needle in set, syringe needle is detachably connected in needle guard, and the end connection of suture and syringe needle, needle guard is located in casing
Side.
7. meniscus stitching unstrument according to claim 6, it is characterised in that: the hangnail is that can be absorbed by the body with suture
Material be integrally formed.
8. meniscus stitching unstrument according to claim 7, it is characterised in that: offered along its length on the pipe of pushing pin
Open slot, integrally formed with pushing block on handle of pushing pin, the upper end of pushing block passes through open slot, and the upper end of pushing block is in high-end close casing
It is obliquely installed, pushing block upper end is equipped with anti-skid chequer.
9. meniscus stitching unstrument according to claim 8, it is characterised in that: the section of the pipe of pushing pin is greater than cutting for casing
Face.
10. meniscus stitching unstrument according to claim 9, it is characterised in that: the pushing needle bar is close to one end of suture needle week
To extending to form push plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738407.XU CN208851546U (en) | 2017-12-13 | 2017-12-13 | A kind of meniscus stitching unstrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721738407.XU CN208851546U (en) | 2017-12-13 | 2017-12-13 | A kind of meniscus stitching unstrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208851546U true CN208851546U (en) | 2019-05-14 |
Family
ID=66409809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721738407.XU Expired - Fee Related CN208851546U (en) | 2017-12-13 | 2017-12-13 | A kind of meniscus stitching unstrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208851546U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107997798A (en) * | 2017-12-13 | 2018-05-08 | 罗鸿 | A kind of meniscus stitching unstrument |
| CN114366203A (en) * | 2022-01-12 | 2022-04-19 | 北京天星博迈迪医疗器械有限公司 | Novel full suture anchor implantation device |
| CN107997798B (en) * | 2017-12-13 | 2024-06-11 | 罗鸿 | Meniscus stitching instrument |
-
2017
- 2017-12-13 CN CN201721738407.XU patent/CN208851546U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107997798A (en) * | 2017-12-13 | 2018-05-08 | 罗鸿 | A kind of meniscus stitching unstrument |
| CN107997798B (en) * | 2017-12-13 | 2024-06-11 | 罗鸿 | Meniscus stitching instrument |
| CN114366203A (en) * | 2022-01-12 | 2022-04-19 | 北京天星博迈迪医疗器械有限公司 | Novel full suture anchor implantation device |
| CN114366203B (en) * | 2022-01-12 | 2022-07-15 | 北京天星博迈迪医疗器械有限公司 | Novel full suture anchor implantation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 Termination date: 20201213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |