CN209091488U - It is a kind of for reinforcing the tendon Antiadhesive film stapler of tendon anastomosis mouth - Google Patents

Abstract

The utility model relates to a kind of for reinforcing the tendon Antiadhesive film stapler of tendon anastomosis mouth, including band open annular shell, membrane body and holdfast, the membrane body is narrow strip biological material film, multiple micropores are evenly equipped on membrane body, membrane body is divided into boot segment and adhesive bands along its length, it is laid with multiple holdfasts on adhesive bands medial surface, barb is had on holdfast, holdfast and barb overall structure use biomaterial；Membrane body is installed around in the band open annular shell, the boot segment of membrane body is placed in outside band open annular shell, and the two sides with open annular shell are device and the guide groove for being oriented to membrane body two sides, and the inner ring surface hollow out with open annular shell accommodates holdfast position.Its structure is simple, can quick anastomosis tendon connection, meet rupture of tendon operation after tendon normal activity demand, mitigate tendon anastomosis mouth tension, after operation can patient can functional training immediately, reduce adhesion of tendon risk, improve clinical operation effect, avoid second operation.

Description

It is a kind of for reinforcing the tendon Antiadhesive film stapler of tendon anastomosis mouth

Technical field

It is specifically a kind of for reinforcing the tendon of tendon anastomosis mouth the utility model relates to a kind of surgery medical material Antiadhesive film stapler.

Background technique

Rupture of tendon is clinical common wound.The common technology master currently, the damage clinical repair of rupture of tendon both at home and abroad is performed the operation Want various sewing methods directly to suture, outer fixed 3-4 week after suture, it is postoperative there are the problem of have: pulled first is that previous anastomotic is in State, it is unfavorable to healing process of tendons, it could activity after must generally fixing 3-4 weeks after operation；Second is that easily there is adhesion of tendon, majority is suffered from Person has to implement tenolysis operation, brings secondary insult to patient.

For the above-mentioned deficiency for suturing reparation tendon injury using surgical thread, existing usual way is with absorbable material system The Antiadhesive film of work wraps up tendon, prevents adhesion of tendon.But postoperative to still need to fix 3-4 weeks, effect is also unsatisfactory.? Effect is ideal when having scholar to think Antiadhesive film for the operation of secondary tenolysis.

Tendon injury is postoperative to cause adhesion to be always a problem of hand surgical field.Both there is endogenous and be cured in healing process of tendons It closes, and there are exogenous healings.For the formation for preventing adhesion of tendon, endogenous should be promoted to heal, inhibit exogenous healing.Mitigate For the method for the exogenous healing of tendon mainly using biology or non-biological material mechanical barrier previous anastomotic, early postoperation carries out appropriateness Functional training.However, postoperative excessive exercise is easy to lead since existing tendon repair technology is inadequate in suture site tension Cause tendon is broken again or the broken ends of fractured bone is separated and need to be performed the operation again.

Have the safety that a large amount of research has shown that biomaterial for anti-adhesion of tendon, but is mainly used for tendon and week Tissue separation is enclosed, is not directed to improve the stretching resistance of previous anastomotic.From Xiao Sen et al., (the pla-pcl plasticizing polylactic acid such as Xiao Sen is blended The preparation of material and performance study plastics fourth industry, 2010,38 (6): 15-18) result of study it is found that can be used altogether The biomaterial for preparing tool some strength and toughness of mixed material.Patent of invention 201210246728.3(Chen Xiaoming makes flesh The material of tendon matching device, type tendon stapler and production method using the material, 2012.07.17) one kind is disclosed for making The material of type tendon stapler, type tendon stapler and its manufacturing method using the material.The material by mass percentage, by 69- 90% polylactic acid, 8-30% polycaprolactone, 0. 5-2% silicone oil composition, are prepared using melt blending modification technology, can be produced for having There is the flexible Antiadhesive film of higher-strength and for clinic.

Aiming at the problem that being easy to cause adhesion of tendon after tendon suture operation, patent of invention 200910063739.6 (lijin, Central type tendon stapler, 2009. 8) and utility model patent 200920227679.2 (lijin, central type tendon stapler, 8) 2009. disclose a kind of central type tendon stapler being made of body portion, two sutures and two sewing needles, body portion by Strip structure made of degradable biomaterial, middle section are the cylindroid bodily form, and both ends are the elliptic cone bodily form, two sutures One end is connected with body portion respectively, and the other end of two sutures is connected with the tail portion of two sewing needles respectively.The innovation and creation Biomaterial is used to improve tendon anastomosis quality and intensity by ground, after operation 2 days can setting in motion, it is general to reduce adhesion of tendon Rate reduces second operation.Foregoing invention is disadvantageous in that surgical procedure is more complicated, and operation difficulty is also bigger, fixed effect Fruit is unreliable, and the risk that adhesion of tendon occurs at tendon suture is still larger.

201520264694. X(Yang Fanwen of utility model patent of invention, a kind of novel type tendon stapler, 2015.04.28) A kind of method that Antiadhesive film is used to reinforce tendon anastomosis mouth is disclosed, rectangle net band body, surface is made in Antiadhesive film It is uniformly provided with several through-holes, is coincide tendon when suture by through-hole.The utility model overcomes in the prior art directly suture Technology is easy to draw open-minded deficiency, but pulling force still concentrates on previous anastomotic, and it is limited to increase stretching resistance level, it is postoperative still should not function immediately It takes exercise.

Patent of invention 201210246728.3(Chen Xiaoming is made the material of type tendon stapler, is kissed using the tendon of the material Clutch and production method, 2012.07.17) a kind of type tendon stapler is also disclosed simultaneously, it will be broken when implementing tendon repair operation Tendon to connecting, stapler is wrapped in the interface of fracture tendon, is locked tendon with regard to achievable flesh using self-locking mechanism Tendon prosthesis.The innovation and creation tendon Antiadhesive film is used to fix tendon, reduces tendon fracture tensile stress, after operation It can take exercise immediately, can effectively reduce adhesion of tendon risk.Patent of invention 201320008240.7(Yang Fanwen, one kind have self-locking The bio-absorbable type tendon stapler of mechanism, 2013.01.08) ratchet of preceding patent rearranged into two sides, improving postoperative initial stage suffers from Person feels the disadvantage that Surrounding muscles are uncomfortable and postoperative affected part is less attractive.But two kinds of inventions directly oppress fixation muscles using holdfast Tendon, ratchet can only monodirectional locking, cannot be adjusted, therefore have contention effect to tendon, be unfavorable for tendon endogenous healing.Simultaneously Bayonet may influence the movement of tendon, and stretching resistance ability caused by holdfast compressing is not also very reliable, clinically using still It is limited.

Therefore, in order to improve tendon anastomosis operation effect, need to study it is a kind of can more effectively prevent adhesion of tendon after operation, The material of previous anastomotic stretching resistance ability can be enhanced, at the same need to design it is a kind of can be by the smooth package tendon of the material, operability Strong device thoroughly solves the problems, such as adhesion of tendon.

Summary of the invention

The purpose of the utility model is to provide a kind of structure is simple, can the connection of quick anastomosis tendon, meet rupture of tendon hand Postoperative tendon normal activity demand, mitigate tendon anastomosis mouth tension, after operation can patient can functional training immediately, reduce tendon Adhesion risk improves clinical operation effect, avoids the tendon Antiadhesive film stapler of second operation.

The purpose of this utility model is realized by following scheme: a kind of tendon for reinforcing tendon anastomosis mouth prevents adhesion Film stapler, it is characterised in that: including band open annular shell, membrane body and holdfast, the membrane body is narrow strip biological material film, Multiple micropores are evenly equipped on membrane body, membrane body is divided into boot segment and adhesive bands along its length, lays on adhesive bands medial surface Have multiple holdfasts, have barb on holdfast, adjacent anchor nail on that barb position is different or dislocation holdfast on barb position it is identical, holdfast Biomaterial is used with barb overall structure, above-mentioned biomaterial is polylactic acid biomaterial；In the band open annular shell Membrane body is installed around, the boot segment of membrane body is placed in outside band open annular shell, and the two sides with open annular shell are device and oriented film The guide groove of body two sides, the inner ring surface hollow out with open annular shell accommodate holdfast position.

The holdfast and barb overall structure use titanium alloy.

Any holdfast circumference is equipped with two or more barbs, and adjacent anchor nails on barb on barb position difference or same holdfast Towards difference.

The micropore is 0.01-0.05mm.

The band open annular shell nozzle 270.

The utility model has stronger intensity and flexibility using fillet film bulk structure made of degradable biological material, Tight working spaces placement and smooth tension in capable of effectively ensuring to perform the operation, it is ensured that package sufficiently, improves match result；Membrane body With micropore, micropore size 0.01-0.1mm does not reduce the intensity of Antiadhesive film tension stress.The initial segment of membrane body is without holdfast Boot segment, rear end is the holdfast for being furnished with barbed, and on holdfast plus a certain number of overhead kicks, holdfast and overhead structure are with degradable Biomaterial is made, and with tissue fusion growth or titanium alloy, reacts small with tissue, effectively improves using safe Performance, and taken out without second operation.Holdfast is inserted into tendon, and being securely anchored by barb makes tendon Antiadhesive film membrane body firmly It is fixed on tendon, does not need impressed pressure and fix, guided section of membrane body guidance makes tendon after suturing around tendon circumference coiling Around the previous anastomotic in certain area, overcome existing stapler needs additional locking device, produces to tendon the uniform facet of stress point Raw compressing influences the shortcomings that healing process of tendons.Holdfast is staggered, and stress point can be made more uniform.

Membrane body is placed in band open annular shell by the utility model, the smooth no-station pole canopy of film, band open annular shell two Side is oriented to membrane body two sides by two guide grooves that shell structure is formed, and membrane body two is placed on guide groove inner part without holdfast, there is holdfast portion The corresponding band open annular shell inner ring surface hollow part of the membrane body divided, in use, by with the corresponding engagement of the opening of open annular shell Good tendon position clamping, pulls membrane body boot segment, boot segment is bonded on tendon, while by adhesive bands by gradually drawing in guide groove Out and around tendon ring-type pressing on tendon, it is ensured that holdfast orderly, uniformly indentation tendon in, adhesive bands be fully drawn out completely around Operation is completed after compressor tendon circumference, operation is convenient, stablizes, safety.

Stapler provided by the invention does not influence the endogenous and external source healing of tendon, is not formed and oppressed to tendon, in tendon Healing stage provides enough stretching resistances always, make tendon repair it is postoperative can start at once rehabilitation without brake, from And avoid and stick together between tendon and peri-musculotendinous tissue, tendon anastomosis quality and intensity are greatly improved, secondary hand is reduced Art.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model usage state diagram.

In figure: membrane body 1, holdfast 2, boot segment 3, adhesive bands 4, barb 5, band open annular shell 6, guide groove 7.

Specific embodiment

It is described further below in conjunction with drawings and examples.

Fig. 1, shown in 2: it is a kind of for reinforcing the tendon Antiadhesive film stapler of tendon anastomosis mouth, including band open annular shell Body 6, membrane body 1 and holdfast 2, membrane body are narrow strip biological material film, are evenly equipped with multiple micropores, micropore 0.01- on membrane body 0.05mm, membrane body are divided into boot segment 3 and adhesive bands 4 along its length, multiple holdfasts 2 are laid on 4 medial surface of adhesive bands, Have barb 5 on holdfast 2, adjacent anchor nail on that barb position is different or dislocation holdfast on barb position it is identical, holdfast and barb are whole Body structure uses biomaterial, and above-mentioned biomaterial is polylactic acid biomaterial；Membrane body 1, film are installed around in band open annular shell 6 The boot segment of body is placed in outside band open annular shell, and the two sides with open annular shell are device and are oriented to leading for membrane body two sides Slot 7, the inner ring surface hollow out with open annular shell accommodate holdfast position.

On that basi of the above embodiments, titanium alloy also can be used in holdfast and barb overall structure.

On that basi of the above embodiments, any holdfast circumference is equipped with two or more barbs, and adjacent anchor nails on barb position not Barb direction is different together or on same holdfast.

Claims (5)

1. a kind of for reinforcing the tendon Antiadhesive film stapler of tendon anastomosis mouth, it is characterised in that: including band open annular shell Body, membrane body and holdfast, the membrane body are narrow strip biological material film, and multiple micropores are evenly equipped on membrane body, and membrane body is square along its length To boot segment and adhesive bands is divided into, it is laid with multiple holdfasts on adhesive bands medial surface, has barb on holdfast, adjacent anchor nails on Barb position is identical in barb position difference or dislocation holdfast, and holdfast and barb overall structure use biomaterial, above-mentioned biology Material is polylactic acid biomaterial；Membrane body is installed around in the band open annular shell, the boot segment of membrane body is placed in band open annular Outside shell, the two sides with open annular shell are device and the guide groove for being oriented to membrane body two sides, the inner ring with open annular shell Face hollow out accommodates holdfast position.

2. according to claim 1 a kind of for reinforcing the tendon Antiadhesive film stapler of tendon anastomosis mouth, feature exists In: the holdfast and barb overall structure use titanium alloy.

3. according to claim 1 a kind of for reinforcing the tendon Antiadhesive film stapler of tendon anastomosis mouth, feature exists Be equipped with two or more barbs in: any holdfast circumference, adjacent anchor nail on that barb position is different or same holdfast on barb towards not Together.

4. according to claim 1 a kind of for reinforcing the tendon Antiadhesive film stapler of tendon anastomosis mouth, feature exists In: the micropore is 0.01-0.05mm.

5. according to claim 1 a kind of for reinforcing the tendon Antiadhesive film stapler of tendon anastomosis mouth, feature exists In: the band open annular shell nozzle 270.