Fixing device for achilles tendon suture repair

Abstract

The utility model relates to a fixing device for achilles tendon suturing and repairing, which comprises a fixing body arranged at a position 30-50mm above a cutting incision at a fractured achilles tendon, and the length of the incision is 15-20mm; the device comprises an arc-shaped fixator, a plurality of positioning needles used for being inserted into achilles tendon tissue are arranged on the inner arc face of the arc-shaped fixator, and gum is arranged on the outer arc face of the arc-shaped fixator. The self-adhesive bandage is adhered to the outer side of the back adhesive and is used for winding and fixing the arc-shaped fixer; the proximal end and the distal end of the fractured achilles tendon are sewn together through the suture line I, and the proximal end is stretched downwards to exceed the distal end by 8-12 mm; dressing is smeared on the outer side of the suture line I; the suture line II is used for suturing the cutting notches together, and hemostatic sponge and gauze are sequentially arranged on the outer side of the suture line II. On the premise that the suturing and repairing effect of the fractured achilles tendon is not affected, the operation is simple, wound healing is promoted, and complications are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and particularly relates to a fixing device for achilles tendon suture repair. Background Technique

[0002] Achilles tendon rupture is usually caused by sports injuries or external force cutting, resulting in the rupture of the achilles tendon tissue. At present, the clinical methods for suture repair of ruptured achilles tendon mainly include open surgery, percutaneous minimally invasive suture surgery, and treatment with a minimally invasive achilles tendon rupture channel anastomosis device. The traditional achilles tendon suture surgery is open surgery, which requires exposing the normal part of the achilles tendon. This method has a large incision and requires stripping the tendon sheath. Therefore, the blood supply of the achilles tendon tissue is severely damaged, and the incidence of complications is relatively high. The complications include achilles tendon re-rupture, skin necrosis, infection, joint stiffness, etc.; another is percutaneous minimally invasive suture surgery, whose operation process is to make 6 small incisions on both sides of the achilles tendon and suture the ruptured achilles tendon percutaneously. This method has less damage and the probability of complications is greatly reduced. However, since the suture process cannot directly observe the achilles tendon stump, the operation difficulty is large, the quality of the stump repair cannot be guaranteed, and sural nerve injury may be caused; the more advanced surgical method is the minimally invasive achilles tendon rupture channel anastomosis device. The production cost and the cost for end-users of this product are both relatively high, and the surgical process is slightly complicated.

[0003] In view of this, it is urgent to provide a fixing device for achilles tendon suture repair that can be operated simply, promote wound healing, and reduce complications without affecting the suture repair effect of the ruptured achilles tendon. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a fixing device for achilles tendon suture repair.

[0005] To solve the above problems, the technical solutions adopted by the utility model are as follows:

[0006] A fixing device for achilles tendon suture repair, which comprises:

[0007] A fixing body, which is arranged 30 - 50 mm above the cutting incision at the ruptured achilles tendon, and the length of the incision is 15 - 20 mm; it comprises an arc-shaped fixator, and a plurality of positioning needles for piercing into the achilles tendon tissue are arranged on the inner arc surface of the arc-shaped fixator, and an adhesive is arranged on the outer arc surface;

[0008] A self-adhesive bandage, which is pasted on the outside of the adhesive, and is used for winding and fixing the arc-shaped fixator;

[0009] A suture line Ⅰ, which sutures the distal end of the ruptured achilles tendon and the proximal end of the ruptured achilles tendon that is stretched downward by a preset distance in advance. Among them, the proximal end of the ruptured achilles tendon is stretched downward to exceed the distal end of the ruptured achilles tendon by 8 - 12 mm; a dressing is applied to the outside of the suture line Ⅰ;

[0010] Suture II, which stitches the cutting incisions together, and a hemostatic sponge and a gauze are sequentially arranged on the outer side of the suture II.

[0011] As an implementation manner of the utility model, 4 positioning needles are provided, the 4 positioning needles are arranged in an isosceles trapezoid, and the 4 positioning needles are respectively located at the four corners of the isosceles trapezoid.

[0012] As an implementation manner of the utility model, the length of the short side of the isosceles trapezoid is 6 - 8 mm, the length of the long side is 10 - 12 mm, and the height is 10 - 12 mm.

[0013] As an implementation manner of the utility model, the lengths of the first positioning needle and the second positioning needle at the diagonal are 10 - 12 mm, and the lengths of the third positioning needle and the fourth positioning needle at the other diagonal are 6 - 8 mm.

[0014] As an implementation manner of the utility model, the diameters of the 4 positioning needles are all 1.5 - 2.0 mm.

[0015] As an implementation manner of the utility model, the dressing is a chitosan gel or a collagen liquid dressing.

[0016] As an implementation manner of the utility model, the hemostatic sponge is a chitosan hemostatic sponge or a collagen hemostatic sponge.

[0017] As an implementation manner of the utility model, the material of the arc-shaped fixator is PC, ABS, PP, PA, PTFE or PS; the material of the positioning needle is 316L stainless steel.

[0018] As an implementation manner of the utility model, the length, width and thickness dimensions of the arc-shaped fixator are respectively (30 - 100) × (30 - 100) × (5 - 10) mm.

[0019] As an implementation manner of the utility model, the suture I is an absorbable suture, and the suture II is a non-absorbable suture.

[0020] The beneficial effects produced by adopting the above technical scheme are as follows:

[0021] The fixation device for Achilles tendon suture repair provided by the utility model sets the fixator as an arc shape, and arranges a plurality of positioning needles on the inner arc surface of the fixed body, which can effectively prevent the avulsion of the Achilles tendon at the positioning part. The absorbable suture thread is used to suture the broken end of the Achilles tendon, which can avoid secondary trauma caused by suture removal. By using a dressing (specifically, chitosan gel or collagen liquid dressing) to smear the broken end of the sutured Achilles tendon, it can effectively promote tissue healing and prevent tissue adhesion. By using a hemostatic sponge (specifically, chitosan hemostatic sponge or collagen hemostatic sponge) to attach to the skin wound, it can effectively promote the healing of the skin wound and reduce scar formation.

[0022] The fixation device for Achilles tendon suture repair provided by the invention has a simple structure, is easy to operate, has reliable stability and convenient transportation; on the premise of not affecting the suture repair effect of the broken Achilles tendon, it can also be operated simply, promote wound healing and reduce complications, and has a broad market prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic structural view of a structure for cutting an incision at the broken Achilles tendon provided by an embodiment of the utility model.

[0024] Figure 2 It is a schematic use view of the fixation device for Achilles tendon suture repair provided by an embodiment of the utility model.

[0025] Figure 3 It is a schematic structural view of a fixed body provided by an embodiment of the utility model.

[0026] Figure 4 is Figure 3 front view of.

[0027] Among them: 100 incision, 1 fixed body, 1-1 arc-shaped fixator, 1-2 positioning needle, 1-2-1 first positioning needle, 1-2-2 second positioning needle, 1-2-3 third positioning needle, 1-2-4 fourth positioning needle, 2 self-adhesive bandage, 3 suture Ⅰ, 4 dressing, 5 suture Ⅱ, 6 hemostatic sponge. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] To make the objectives, technical solutions and advantages of the utility model clearer, the following describes the utility model clearly and completely with reference to specific embodiments.

[0029] An embodiment of the utility model provides a fixation device for Achilles tendon suture repair, as Figures 1-4 shown, which includes:

[0030] The fixed body 1 is arranged at the calf 30 - 50 mm above the incision 100 at the broken Achilles tendon, and the length of the incision 100 is 15 - 20 mm; it includes an arc-shaped fixator 1-1, on the inner arc surface of the arc-shaped fixator 1-1, there are several positioning needles 1-2 for piercing into the Achilles tendon tissue, and on the outer arc surface, there is an adhesive (not shown in the figure);

[0031] The self-adhesive bandage 2 is pasted on the outside of the adhesive, and it is used to wind and fix the arc-shaped fixator 1-1;

[0032] The suture Ⅰ 3 sutures the distal broken Achilles tendon and the proximal broken Achilles tendon that has been stretched downward by a preset distance in advance (specifically, contact suture). Among them, the proximal broken Achilles tendon is stretched downward by more than 8 - 12 mm of the distal broken Achilles tendon; a dressing is applied on the outside of the suture Ⅰ 3; the suture Ⅰ 3 is an absorbable suture, and the dressing 4 is a chitosan gel or a collagen liquid dressing;

[0033] The suture Ⅱ 5 sutures the incision 100 together, and a hemostatic sponge and a gauze are sequentially arranged on the outside of the suture Ⅱ 5; the suture Ⅱ 5 is a non-absorbable suture, and the hemostatic sponge 6 is a chitosan hemostatic sponge or a collagen hemostatic sponge.

[0034] When the fixing device for Achilles tendon suture and repair provided by the present utility model is in use, as Figure 1 shown, an incision 100 of 15 - 20 mm is made at the broken Achilles tendon, the proximal end of the broken Achilles tendon is clamped with a hemostatic forceps, pulled forcefully to the distal end, and stretched by more than 8 - 12 mm at the distal broken Achilles tendon, so that the two broken ends can be in a relaxed state when sutured, reducing the tension.

[0035] After that, the fixed body 1 is placed 30 - 50 mm above the incision 100, and pressed forcefully so that all the positioning needles 1-2 pierce into the Achilles tendon tissue, then the self-adhesive bandage 2 is pasted on the outside of the adhesive, and the fixed body 1 is wound and fixed; after that, the proximal broken Achilles tendon and the distal broken Achilles tendon are sutured in contact with each other by the suture Ⅰ 3 (absorbable suture), and a chitosan gel or a collagen liquid dressing 4 is applied. Further, the skin incision 100 is sutured with non-absorbable suture needles, a chitosan hemostatic sponge 6 or a collagen hemostatic sponge 6 is pasted on, and finally the wound is wrapped with a gauze.

[0036] The fixing device for Achilles tendon suture repair provided by the utility model sets the fixator as an arc shape, and a number of positioning needles 1-2 are arranged on the inner arc surface of the fixing body 1, which can effectively prevent the avulsion of the Achilles tendon at the positioning part. The absorbable suture needle thread is used to suture the broken ends of the Achilles tendon, which can avoid secondary trauma caused by suture removal. By using the dressing 4 (specifically, it can be chitosan gel or collagen liquid dressing) to smear the sutured broken ends of the Achilles tendon, it can effectively promote tissue healing and prevent tissue adhesion. By using the hemostatic sponge 6 (specifically, it can be chitosan hemostatic sponge or collagen hemostatic sponge) to attach to the skin wound, it can effectively promote the healing of the skin wound and reduce scar formation.

[0037] The fixing device for Achilles tendon suture repair provided by the invention has a simple structure, is easy to operate, has reliable stability and is convenient for transportation; on the premise of not affecting the suture repair effect of the broken Achilles tendon, it can also be operated simply, promote wound healing and reduce complications, and has a broad market prospect.

[0038] Next, the utility model further describes the structure of the fixing body 1.

[0039] As Figure 3 and Figure 4 shown, the dimensions of the arc-shaped fixator 1-1 in length, width and thickness are respectively (30-100)×(30-100)×(5-10) mm. Whether the long side is arc-shaped or the wide side is arc-shaped, this dimension refers to the length of the arc (as shown by a in the figure); in the embodiment of the utility model, it is preferred that the length and width of the arc-shaped fixator 1-1 are the same.

[0040] In a possible implementation manner, the material of the arc-shaped fixator 1-1 is PC, ABS, PP, PA, PTFE or PS, and the material of the positioning needle 1-2 is 316L stainless steel.

[0041] As Figure 3 and Figure 4 shown, 4 positioning needles 1-2 are provided, and the 4 positioning needles 1-2 are arranged in an isosceles trapezoid, and the 4 positioning needles 1-2 are respectively located at the four corners of the isosceles trapezoid. The length of the short side of the isosceles trapezoid is 6-8 mm, the length of the long side is 10-12 mm, and the height is 10-12 mm. Among them, the length of the short side and the length of the long side both refer to the center distance between two positioning needles 1-2, and the height refers to the vertical distance between the short side and the long side. As Figure 4 shown, L1 represents the length of the short side, L2 represents the length of the long side, and h represents the height.

[0042] In the above case, the lengths of the first positioning pin 1-2-1 and the second positioning pin 1-2-2 located diagonally are 10-12 mm, and the lengths of the third positioning pin 1-2-3 and the fourth positioning pin 1-2-4 located at the other diagonal are 6-8 mm; the diameters of the 4 positioning pins 1-2 are all 1.5-2.0 mm.

[0043] The preparation method of the fixing body 1 can adopt the following steps:

[0044] Put PC, ABS, PP, PA, PTFE or PS materials into the barrel of the injection molding machine, put the 4 positioning pins 1-2 into the customized mold respectively, co-inject the high-temperature melted PC, ABS, PP, PA, PTFE or PS materials and the positioning pins 1-2 to form a finished product, and then stick the back glue in the middle on one side without the positioning pins 1-2, thus obtaining the fixing body 1.

Claims

1. A fixing device for Achilles tendon suture repair, characterized in that, It includes: A fixed body, which is arranged 30 - 50 mm above the incision cut at the broken Achilles tendon, and the length of the incision is 15 - 20 mm; It includes an arc-shaped fixator, on the inner arc surface of the arc-shaped fixator, there are several positioning needles for piercing into the Achilles tendon tissue, and on the outer arc surface, there is an adhesive; A self-adhesive bandage, which is pasted on the outside of the adhesive, and is used to wind and fix the arc-shaped fixator; Suture Ⅰ, which sutures the distal broken Achilles tendon and the proximal broken Achilles tendon that has been stretched downward by a preset distance in advance. Among them, the proximal broken Achilles tendon is stretched downward to exceed the distal broken Achilles tendon by 8 - 12 mm; a dressing is applied on the outside of the suture Ⅰ; Suture Ⅱ, which sutures the incision together, and a hemostatic sponge and a gauze are sequentially arranged on the outside of the suture Ⅱ.

2. The fixing device for Achilles tendon suture repair according to claim 1, characterized in that, There are 4 positioning needles, and the 4 positioning needles are arranged in an isosceles trapezoid, and the 4 positioning needles are respectively located at the four corners of the isosceles trapezoid.

3. The fixing device for Achilles tendon suture repair according to claim 2, wherein, The length of the short side of the isosceles trapezoid is 6 - 8 mm, the length of the long side is 10 - 12 mm, and the height is 10 - 12 mm.

4. The fixing device for Achilles tendon suture repair according to claim 3, wherein The lengths of the first positioning needle and the second positioning needle at the diagonal are 10 - 12 mm, and the lengths of the third positioning needle and the fourth positioning needle at the other diagonal are 6 - 8 mm.

5. The fixation device for Achilles tendon suture repair according to claim 4, characterized in that, The diameters of the 4 positioning needles are all 1.5 - 2.0 mm.

6. The fixation device for Achilles tendon suture repair according to claim 1, characterized in that, The dressing is chitosan gel or collagen liquid dressing.

7. The fixation device for Achilles tendon suture repair according to claim 1, characterized in that, The hemostatic sponge is chitosan hemostatic sponge or collagen hemostatic sponge.

8. A fixing device for Achilles tendon suture repair according to claim 1, characterized in that, The material of the arc-shaped fixator is PC, ABS, PP, PA, PTFE or PS; the material of the positioning needle is 316L stainless steel.

9. The fixing device for Achilles tendon suture repair according to claim 1, characterized in that, The length, width and thickness dimensions of the arc-shaped fixator are respectively (30 - 100) × (30 - 100) × (5 - 10) mm.

10. The fixation device for Achilles tendon suture repair according to claim 1, characterized in that, The suture Ⅰ is an absorbable suture, and the suture Ⅱ is a non-absorbable suture.

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