CN219070792U - Y-shaped self-fixing patch for TAPP - Google Patents

Abstract

The utility model discloses a Y-shaped self-fixing patch for TAPP, which comprises the following components: self-fastening patch body, self-fastening patch includes: the framework is provided with a net surface layer arranged on one surface of the framework and a hook surface layer arranged on the other surface of the framework; the framework is a reticular structure, and the reticular surface layer is a plurality of degradable fibers which are longitudinally and transversely inserted in the gaps of the reticular structure; the framework is divided into two bifurcation parts along the long axis of the framework; the bifurcation part is curled from two sides to the center along the self-fixing cloth piece to form an arc shape; the arc-shaped convex surface is a hooking layer, and the hooking layer is a plurality of miniature grapples; the top end of the miniature grapple is bent to be in a hook-shaped structure and is vertically connected with the framework; the Y-shaped self-fixing patch bifurcation can form a marking position, so that the bifurcation and the circular uterine ligament can be positioned conveniently, and the difficulty of paving the patch is reduced; compared with the prior art, the method has the advantages that the self-fixing patch is paved from the center to the two sides, the paving path is shortened generally, the possibility of patch wrinkles is reduced, and the paving time is shortened.

Description

Y-shaped self-fixing patch for TAPP

Technical Field

The utility model relates to the technical field of inguinal hernia repair, in particular to a Y-shaped self-fixing patch for TAPP.

Background

Inguinal hernias are clinically common diseases, and current surgery is the only effective means for treating adult inguinal hernias. From the concept of tension-free repair, patch material repair is rapidly accepted by clinicians, along with the development of operation technology, the postoperative recurrence rate is stabilized at present, and corresponding postoperative chronic pain gradually becomes a focus of attention, so that laparoscopic inguinal hernia preperitoneal repair (TAPP) has the advantages of rapid recovery, attractive appearance and the like, and the TAPP can relieve postoperative pain due to the rear patch, and the development of materials plays an important role in reducing pain.

The prior art patch is fixed by a nail gun, medical glue, suture and the like, and the fixing modes can lead to nerve vascular injury, increase operation cost and time and increase the incidence rate of postoperative seroma. In the prior art, a sheet-shaped self-fixing patch also exists, and the self-fixing patch has an automatic adhesion effect on tissues, so that the patch is quite difficult to lay in a peritoneal space, the patch is curled and deformed due to improper laying, and a defect area cannot be effectively covered, so that the operation fails.

Accordingly, there is a need for an improvement over the self-fixating patches of the prior art to solve the above-mentioned problems and to be suitable for laparoscopic inguinal hernia preperitoneal repair.

Disclosure of Invention

The utility model overcomes the defects of the prior art and provides the Y-shaped self-fixing patch for TAPP.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a Y-shaped self-fastening patch for TAPP comprising: a self-securing patch body;

the self-fastening patch includes: the framework is provided with a net surface layer arranged on one surface of the framework and a hook surface layer arranged on the other surface of the framework; the framework is of a net structure, and the net surface layer is a plurality of degradable fibers longitudinally and transversely inserted in gaps of the net structure;

the framework is divided into two bifurcation parts along the long axis of the framework; the bifurcation part is curled from two sides to the center along the self-fixing patch to form an arc shape; the arc-shaped convex surface is the hooking surface layer, and the hooking surface layer is a plurality of miniature grapples; the top end of the miniature grapple is bent to be in a hook-shaped structure and is vertically connected with the framework.

In a preferred embodiment of the present utility model, the skeleton is composed of a plurality of crisscrossed polypropylene fibers.

In a preferred embodiment of the present utility model, the self-fastening patch body is divided along its central long axis to form two bifurcation parts.

In a preferred embodiment of the present utility model, the micro grapple is made of polylactic acid material.

In a preferred embodiment of the present utility model, the crotch portion has a length which is half the length of the self-fastening patch.

In a preferred embodiment of the present utility model, a bending portion is connected to each root portion of the bifurcation.

In a preferred embodiment of the present utility model, the bending portion is a polypropylene film.

In a preferred embodiment of the present utility model, the degradable fiber is a polyglycolic acid fiber or a polypropylene fiber.

In a preferred embodiment of the present utility model, the bifurcation is symmetrically disposed about a central major axis of the framework.

The utility model solves the defects existing in the background technology, and has the following beneficial effects:

the utility model provides a self-fixing patch which is suitable for TAPP (tape-like polypropylene), wherein two sides of the patch are respectively a net surface layer and a hook surface layer, the patch is divided into two bifurcation parts along a long axis of the patch, and the bifurcation parts are curled from two sides to the center to form an arc shape, so that the contact area of the less hook surface layer of the bifurcation parts and tissues is reduced, the less hook surface layer is easy to enter abdominal cavities, and the damage of miniature grappling hooks to the tissues is reduced.

The Y-shaped self-fixing patch bifurcation can form a mark position, so that the bifurcation and the circular uterine ligament can be positioned conveniently, and the difficulty of paving the patch is reduced; the self-fixing patch is paved from the center to two sides, and compared with the paving path in the prior art, the method shortens half, reduces the possibility of patch wrinkles and shortens the paving time.

The miniature grapple is made of polylactic acid material. The miniature grapple can automatically grasp tissues, ensure that the tissues are uniformly adhered under stress, is not easy to generate patch curling and displacement, does not damage nerve vessels during fixation, can be completely absorbed after 15 months of operation, and has good anti-infection capability.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic perspective view of a Y-shaped self-fastening patch for TAPP according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic structural view of a bifurcation of a preferred embodiment of the present utility model;

in the figure: 1. y-shaped self-fixing patch; 2. a skeleton; 3. a mesh layer; 4. a hook surface layer; 5. a bifurcation part; 6. a bending part.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.

As shown in fig. 1, a schematic perspective view of a Y-shaped self-fastening patch 1 for TAPP according to the present utility model is shown. The Y-shaped self-fastening patch 1 includes: self-securing patch body. The self-fastening patch includes: the framework 2, the net surface layer 3 arranged on one side of the framework 2, and the hook surface layer 4 arranged on the other side of the framework 2.

In this embodiment, the skeleton 2 is a net structure, and the net structure is composed of a plurality of polypropylene fibers which are crisscrossed. The polypropylene fiber has better degradation, softness and bending resistance, and patients have slight foreign body reaction and very low recurrence rate after being implanted into human bodies.

The size of the Y-shaped self-fixing patch in the embodiment is along with different TAPP types, sheet frameworks with different sizes are selectively cut to prepare the Y-shaped self-fixing patch, and the cut size can be 10cm multiplied by 15cm and the like.

In this embodiment, the mesh layer 3 is a plurality of degradable fibers longitudinally and transversely inserted in the gaps of the mesh structure. The degradable fiber is a polyglycolic acid fiber or a polypropylene fiber, preferably a polyglycolic acid fiber.

As shown in fig. 2, a schematic structural view of the crotch portion 5 in the present utility model is shown. The skeleton 2 is divided along its own major axis to form two crotch portions 5, preferably from the fastening patch body along its own central major axis to form two crotch portions 5. The crotch portion 5 is curled centrally along the self-fastening patch from both sides to form an arc shape. The crotch portion 5 has a length of half the length of the self-fastening patch. The convex surface of the arc shape is a hooking surface layer 4, and the hooking surface layer 4 is a plurality of miniature grapples.

The top end of the miniature grapple is bent to be in a hook-shaped structure and is vertically connected with the framework 2. The miniature grapple is made of polylactic acid material. The miniature grapple can automatically grasp tissues, so that the tissues are uniformly adhered under stress, the patch is not easy to curl and shift, nerve vessels are not damaged during fixation, and only the light-weight large-mesh patch is remained after 15 months of operation, so that the miniature grapple has good anti-infection capability.

In this embodiment, a bending portion 6 is connected to the root portion of each bifurcation portion 5. The bending portion 6 is a polypropylene film. In the present embodiment, when bending the crotch portion 5, since the skeleton 2 has flexibility, by simultaneously bending the crotch portion 5 and the bending portion 6, the crotch portion 5 is prevented from being rapidly deformed after bending.

According to the Y-shaped self-fixing patch 1, the bifurcation part 5 is curled to form an arc-shaped structure, so that the contact area between the less-hooked surface layer 4 of the bifurcation part 5 and tissues is reduced, the bifurcation part is easy to enter the abdominal cavity, and the damage of the miniature grapple to the tissues is reduced; the bifurcation of the Y-shaped self-fixing patch 1 can form a marking position, which is convenient for positioning the bifurcation and the circular uterine ligament and reduces the difficulty of paving the patch; the self-fixing patch is paved from the center to two sides, and compared with the paving path in the prior art, the method shortens half, reduces the possibility of patch wrinkles and shortens the paving time.

When the patch is used, the patch is curled into a cylinder shape from two sides to the center along the long axis of the patch, the two sides are curled to the shearing position of the middle patch, the patch is Y-shaped at the moment, and the hook surface layer 4 of the miniature grapple is arranged at the outer side of the arc shape; the self-fixing patch is placed in the abdominal cavity, the root of the bifurcation part 5 of the patch is placed in the position of the circular ligament of uterus, a hand-held endoscopic instrument presses the patch, the left half patch is unfolded leftwards by the other hand-held instrument, the above actions are repeated, the patch laying of the right patch is realized, and the patch laying is completed.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (9)

1. A Y-shaped self-fastening patch for TAPP comprising: the self-fixing patch body is characterized in that,

the self-fastening patch includes: the framework is provided with a net surface layer arranged on one surface of the framework and a hook surface layer arranged on the other surface of the framework; the framework is of a net structure, and the net surface layer is a plurality of degradable fibers longitudinally and transversely inserted in gaps of the net structure;

the framework is divided into two bifurcation parts along the long axis of the framework; the bifurcation part is curled from two sides to the center along the self-fixing patch to form an arc shape; the arc-shaped convex surface is the hooking surface layer, and the hooking surface layer is a plurality of miniature grapples; the top end of the miniature grapple is bent to be in a hook-shaped structure and is vertically connected with the framework.

2. A Y-shaped self-fastening patch for TAPP according to claim 1, wherein: the framework is composed of a plurality of polypropylene fibers which are crisscrossed.

3. A Y-shaped self-fastening patch for TAPP according to claim 1, wherein: the self-fixing patch body is divided into two bifurcation parts along the central long axis of the self-fixing patch body.

4. A Y-shaped self-fastening patch for TAPP according to claim 1, wherein: the miniature grapple is made of polylactic acid material.

5. A Y-shaped self-fastening patch for TAPP according to claim 1, wherein: the crotch portion has a length that is half the length of the self-fastening patch.

6. A Y-shaped self-fastening patch for TAPP according to claim 1, wherein: a bending part is connected to the root position of each bifurcation part.

7. A Y-shaped self-fastening patch for TAPP as defined in claim 6, wherein: the bending part is a polypropylene film.

8. A Y-shaped self-fastening patch for TAPP according to claim 1, wherein: the degradable fiber is polyglycolic acid fiber or polypropylene fiber.

9. A Y-shaped self-fastening patch for TAPP according to claim 1, wherein: the bifurcation is symmetrically disposed about a central long axis of the framework.

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