KR101488194B1 - Mesh assembly and manufacturing method of them - Google Patents

Abstract

The present invention relates to a medical mesh inserted into a soft tissue or human tissue for elevating the soft tissue and, more specifically, to a medical mesh assembly which comprises a mesh member inserted into a body tissue and supporting organs; and a fixing member formed on the mesh member to increase the bonding force inside the body, and additionally comprises a hanging member protruded in the diagonal direction from the upper part, the lower part, or both parts of the fixing member for strong fixation in the body, thereby fixing the organ on the regular position without interruption of external impacts or shakes.

Description

[0001] MESH ASSEMBLY AND MANUFACTURING METHOD OF THEM [0002]

The present invention relates to a medical mesh inserted into a soft tissue or a body tissue for a soft tissue elevation, and more particularly, to a medical mesh inserted into a soft tissue or a human tissue to support the tissue, And an engaging member protruding obliquely to the upper portion or the lower portion of the fixing member or both of the fixing members so as to firmly fix the same in a soft tissue or a human body, The present invention relates to a medical mesh assembly and a method of manufacturing the same.

 Prior Art No. 10-1337465 entitled " Mesh Assembly for Cosmetic Surgery ", the prior art is inserted into the skin of the body and all or a part of it is adhered to the skin tissue and forms a two-dimensional plane as a whole And an adjuster connected to the net so as to penetrate through the through hole so that the net can be pulled so that the net can be pulled. And to provide a mesh assembly for cosmetic surgery.

However, the above-mentioned prior art is capable of improving the adhesion force with the skin tissue by being inserted into the skin but forming a net, but it has a problem that the adhesion force is weakened due to external shaking or impact and can be separated from the tissue.

Also, according to the prior art, there is a registered utility model No. 20-0431723, " Mesh for incontinence surgery &

In the prior art, a mesh portion is formed in a mesh-like shape having a predetermined width, and a plurality of mesh-shaped meshes having the predetermined width are coupled to each other. In the mesh portion, both sides of a plurality of meshes are connected to each other, A plurality of coupling parts are formed on both sides of each of the meshes, and a plurality of coupling parts are formed on the respective coupling parts of the respective meshes, And a knot is formed so as to be separated from the respective engaging portions while being loosened.

However, the above-mentioned prior art relates to a mesh which is inserted into skin and adhered to skin tissue or the like and can increase the adhesion force by improving the contact area. However, since the mesh is deviated from the treatment position due to vibration or external impact before adhesion with tissue Can cause problems.

Further, in the prior art, there is disclosed in Korean Patent Application No. 10-2011-0126118, " Implant for restoration of pelvic organ prolapse &

The prior art described above is for restoring the prolapse of various pelvic organ including vaginal prolapse, comprising a first lid having a double dense mesh formed of first and second filaments, a single dense mesh formed of a first filament And a third lid having a single dense mesh formed of a second lid and a second filament, wherein the first lid, the second lid and the third lid may share a common cross line capable of forming an arc, The implants for repairing the pelvic organ prolapse that can be formed by knitting a piece of mesh of the same shape are presented.

However, in the conventional technique, the filaments having a plurality of networks are arranged in a superposed arrangement to treat prolapse of the organ. The first and second filaments are fixedly fixed to the treatment position from an external impact or vibration before adhesion, There is a problem that can not be done.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

A mesh support for supporting the tissue to perform a procedure such as soft tissue floatation, a fixing member for fixing the mesh and the soft tissue, and a latching member provided for enhancing the adhesion force, And to provide a medical mesh assembly that can be positively positioned.

Further, when the fixing member is formed into a thread, it is harmless to the human body and the manufacturing process can be simplified,

Wherein the engaging member is formed of a protrusion provided only on the upper portion or the lower portion of the fixing member or both of the fixing member and the protrusion is maximized and firmly fixed to the tissue on the lower and upper surfaces of the mesh .

Further, since the projections are obliquely held in one direction from the fixing member, the fixation with the tissue can be further strengthened,

It is a further object of the present invention to solve the problem that the fixing member is cut by the excessive groove or the protrusion does not protrude due to the small groove due to the excessive groove, .

Further, it is an object of the present invention to provide a medical mesh assembly capable of adjusting a force for supporting a tissue by providing one or a plurality of fixing members on the mesh according to the size of the tissue or the method to be performed.

In addition, the present invention relates to a method of manufacturing a metal mold, comprising: a first step of adhering a fixing member to a mesh; and a step of forming a groove in the fixing member through the bonding step, And it is an object of the present invention to provide a method of manufacturing a medical mesh assembly that can fix a fixing member to a mesh by an adhesive step after forming an engaging member through the machining step .

In order to achieve the above object, a medical mesh assembly according to the present invention includes:

Mesh;

A fixing member provided on the mesh;

And an engaging member provided on an outer surface of the fixing member,

Wherein the fixing member is made of a thread,

Wherein the engaging member is composed of a plurality of projections provided on the upper portion or the lower portion or both of the fixing members,

The protrusion

And is protruded in one direction from the fixing member.

As described above, the medical mesh assembly according to the present invention includes a mesh for supporting a soft tissue for performing a soft tissue elevation and the like, and a fixing member provided on the mesh and formed with an engaging member, The force can be improved and fixed to the treatment position accurately,

By forming the fixing member in a thread shape, it is harmless in the body, the occurrence of complications can be minimized, and manufacturing cost can be reduced,

And the protrusion is protruded in one direction from the fixing member, so that it is possible to secure a supporting force in the tissue, and therefore, So that it can be supported firmly,

By providing one or a plurality of fixing members in the mesh, it is possible to secure a stronger supporting force depending on the size of the tissue or the degree of escape.

Further, an engaging member is formed precisely on the upper portion or the lower portion of the fixing member by sequentially performing a bonding step of bonding the mesh and the fixing member, and a forming step of forming the engaging member by forming grooves in the fixing member past the bonding step And at the same time, it is possible to prevent a problem of warping or breakage of the engaging member, which may occur in adhesion of the fixing member and the mesh, in advance.

1 is a perspective view of a medical mesh assembly according to the present invention;
2 is a top view and side view of a medical mesh assembly according to the present invention;
3 is a modification of the medical mesh assembly according to the present invention
4 is a cross-sectional view of an embodiment of a medical mesh assembly according to the present invention
5 is a modification of the medical mesh assembly according to the present invention
6 is a modification of the medical mesh assembly according to the present invention
FIG. 7 is an embodiment of a method of manufacturing a medical mesh assembly according to the present invention
8 is a perspective view of the insertion mechanism according to the present invention.
9 is an exploded perspective view of the insertion mechanism according to the present invention.
Figure 10 is an embodiment of a mesh assembly using an insertion tool according to the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain embodiments, it is obvious that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

1 and 2, a medical mesh assembly P according to the present invention includes a mesh 10, a fixing member 20 provided on the mesh 10, And an engaging member (30) formed on the base.

1 and 2, the present invention further includes a fixing member 20 on a mesh 10 supporting a soft tissue and increases the adhesion force with the soft tissue on the outer surface of the fixing member 20 And further includes an engaging member (30) which can be firmly fixed and can impart a supporting force to the mesh (10).

More specifically, the mesh 10 is made of a material harmless to the human body. More specifically, the mesh 10 may be formed of polypropylene which is harmless to the human body. In some cases, the mesh 10 may be formed of gold, stainless steel, The fixing member 20 is made of a dissolvable material such as polydioxanone, PGA, PGLA, PDO or the like, which is soluble in the body, and the fixing member 20 is also made of a dissolvable material.

In addition, the mesh 10 is preferably a mesh structure that supports and supports the tissue, and can support the tissue uniformly by improving the contact area with the tissue. In the procedure, as shown in FIG. 4, It is preferable to further include a binding portion 113 for sewing the mesh 10 and the organs using a thread 20 'or the like in order to prevent the mesh 10 from shaking.

2, the mesh 10 is further provided with a fixing member 20. The fixing member 20 is formed of a thread 20 ', and the outer surface of the fixing member 20 And a latching member 30 is further provided.

More specifically, the fixing member 20 is provided on the mesh 10, and the fixing member 20 and the mesh 10 may be formed using a harmless adhesive or the like, 20 are melted and bonded together.

The fixing member 20 is formed of a thread 20 ', and an engaging member 30 is further provided on the outer circumferential surface of the thread 20'. The latching member 30 is composed of a plurality of protrusions 30 'provided on the upper portion or the lower portion or both of the fixing member 20 and the protrusions 30' And protruding obliquely.

More specifically, as shown in the one-dot chain line in FIG. 2, the protrusion 30 'formed on the outer circumferential surface of the fixing member 20 extends along the outer circumferential surface of the fixing member 20, that is, the thread 20' It may be formed on the upper portion or the lower portion or both of them, or it may be formed separately and attached to the chamber 20 ', or provided with a sheath on the chamber 20'. A recess 21 having a predetermined depth is formed by forming a sheath on the surface of the thread 20 'and a part of the thread 20' adjacent to the thread 21 protrudes to the outside so that the protrusion 30 ' When this method is used, protruded protrusions 30 'can be formed without using any additional material other than the seal 20'.

The depth of the groove 21 is preferably 10% to 40% of the diameter of the thread 20 '. When the depth of the groove 21 is greater than 40% of the diameter of the thread 20' And if the depth of the groove 21 is smaller than 10% of the diameter of the thread 20 ', the protrusion 30' may not protrude sufficiently and the fixation effect in the body tissue may be deteriorated .

Also, the protrusions 30 'may be formed at positions opposite to both sides of the thread 20'. However, since the thread 20 'may be broken by the groove 21 in this case, the protrusions 30' Are preferably provided in a zigzag shape alternately on the upper and lower surfaces of the seal 20 '.

Further, in the case of forming the groove 21 in the chamber 20 ', a slanting portion A is formed obliquely in the groove 21 so as to be formed obliquely in the chamber 20' And a straight line portion B formed at the end of the slanting portion A in the same direction as the length direction of the seal is formed. It is preferable to construct the protrusion 30 'so that the protrusion 30' protrudes naturally outwardly by taking the blade. In this case, the thickness of the thread can be maintained, and the problem that the thread 20 ' .

2, the fixing member 20 may be provided on the upper and lower surfaces of the mesh 10 in a manner that the fixing member 20 is coupled to one side of the mesh 10, The protrusions 30 'on the side of the mesh 10 which are in close contact with the mesh 10 are not protruded to the outside due to the thickness of the mesh 10. In this case, So that the protrusion 30 'is formed in both directions of the medical mesh assembly according to the present invention to improve the bonding force with the tissue.

The fixing member 20 is provided with a locking member 30 formed of a projection 30 'at the upper portion or the lower portion or both of the locking member 30 and the fixing member 20, The fixing member 20 is provided with flat portions 23 on both sides of which the engaging member 30 is not provided.

Therefore, when the mesh 10 to which the fixing member 20 is coupled is inserted into the soft tissue or the human body, the frictional force or the like is increased by the projection 30 ', which is provided irregularly in all directions, The difficulty is more easily introduced into the soft tissues or the human body due to the flat portions 23 provided on both sides of the fixing member 20 and the operation time is shortened and the engagement member 20 30) so that it can be firmly fixed in place.

3 (A) shows a modification according to the present invention. The locking member 30 includes first and second locking portions 31 and 33 provided on the fixing member 20, The protrusions 30 'are connected to the first and second engagement portions 31 and 33, respectively, and the connection portion 35 is provided between the first and second engagement portions 31 and 33, (35).

3 and 4, the engaging member 30 is provided on the outer surface of the fixing member 20, and the engaging member 30 is fixed to the center of the fixing member 20, And first and second fastening portions 31 and 33 provided on both sides of the connection portion 35. The first and second fastening portions 31 and 33 are provided on both sides of the connection portion 35, respectively.

At this time, the first and second latching parts 31 and 33 are provided with projections 30 'projecting obliquely. The projections 30' are provided obliquely toward the connection parts 35, respectively, It is made up of mutually facing shapes. A supporting member 11 provided on the mesh 10 for supporting the tissue and a holding member 20 connected to the supporting member 11 to be adhered to the surrounding tissues, When the fixing member 20 is adhered to the tissue through the protrusion 30 'obliquely protruding obliquely with respect to the connecting portion 35 provided at the center of the fixing member 20, So that the support 11 supporting the tissue can firmly support the tissue, thereby effectively treating the soft tissue lift-up procedure and the like.

The first and second latching parts 31 and 33 and the connection part may be provided in a plurality of meshes 10 and the protrusions 30 and 30 of the first and second latching parts 31 and 33 'May protrude in the direction of the connection portion, in the opposite direction, or in different directions, respectively, and may be variously configured according to the method of operation and the procedure in the tissue.

As shown in FIG. 3B, the mesh 10 may further include one or a plurality of fixing members 20. This is because when the portion of the tissue to be treated is wide, the supporting force must be strong The mesh 10 is provided with a plurality of two or more fixing members 20 continuously arranged to increase the adhesion force with the tissue and thus a strong supporting force can be maintained in the supporting portion 11, So that a large area soft tissue lift can be performed.

5, the engaging member 30 may be directly formed on the mesh 10, and more specifically, as shown in FIG. 5A, the upper portion of the mesh 10 Or the lower portion may be directly formed with a plurality of protruding latching members 30 so that only the mesh 10 can be inserted directly into the treatment site regardless of the presence of the fixing member 20, And it is possible to prevent the fixing member 20 from falling off the mesh 10 in advance. 5 (B), when the fixing member 20 having the engaging member 30 is fixed to the mesh, the fixing member 20 is fixed to the upper and lower portions of the mesh 10, So that the engaging member 30 can be protruded on both the upper and lower sides of the mesh 10 and can be firmly fixed in the tissue.

6, when the engaging member 30 is directly formed on the mesh 10, there is a risk that the mesh 10 is cut off due to the small thickness of the mesh 10. In order to solve this problem, In the injection molding of the mesh 10, the mesh 10 may be formed by injection molding to form the bulged portion 10-1 and protruding along the central portion of the mesh 10. Therefore, since the latching member 30 is formed integrally with the bulged portion 10-1, it is possible to prevent the mesh 10 from being broken, and the bulged portion 10-1 can be prevented from being broken It may be formed along the center of the mesh 10, but it may be formed in the center or a plurality of the sides, and the scope of the right should not be construed as limiting.

7, in order to attach the fixing member 20 to the mesh 10, the fixing member 20 may be provided with a knife or the like on the fixing member 20 in order to manufacture the medical mesh assembly P according to the present invention, The grooves 21 are formed in the grooves 21 to form the protrusions 30 and then the fixing member 20 is bonded to the mesh 10 to make the mesh assembly P do. However, in this case, there may arise a problem that the protrusion 30 'is not formed exactly on the upper portion or the lower portion or both of the fixing member 20 adhered to the mesh 10. The medical mesh assembly P according to the present invention includes a bonding step 100 for pre-bonding a fixing member to the mesh 10 and a fixing step for bonding the fixing member 20 (200) for forming an engaging member (30)

Further comprising a protruding step (300) for protruding the latching member (30) formed by the machining step (200) so that the latching member (30) formed in the processing step (200) So that it can be protruded to the outside.

Further, a method of forming the holding member 30 through the processing step 200 and bonding the holding member 20 with the holding member 20 to the mesh 10 is also included in the scope of the present invention. do.

In addition, it is preferable that the machining step 200 and the protruding step 300 proceed sequentially. However, the grooves 21 are formed through the machining step 200, so that the blade is naturally removed and the protruding step 300 It is also possible to proceed.

In the case where the fixing member 20 is not provided, the protrusion step 300 for protruding the engaging member 30 formed in the processing step and the processing step 200 for forming the engaging member on the mesh 10 may be performed. The medical mesh assembly according to the present invention can be manufactured by excluding the bonding step 100.

Although not shown in the drawing, a press is provided to adhere the fixing member 20 to the mesh 10, and the press is provided with an engaging member 30 corresponding to the position of the engaging member 30 provided on the fixing member 20 And a fusing part is provided between the seating groove and the seating groove. By positioning the fixing member 20 on the mesh 10 and pressing and fusing the same using the press, the fixing member 20 20) to the mesh (10). In this case, the entirety of the fixing member 20 is fusion-bonded in a dot-like manner without fusing, so that the mesh 10 to which the fixing member 20 is coupled can maintain flexibility, The pressing member 20 and the mesh member 10 are melted and fixed by the fixing member 20 and the mesh 10 in the process of fusing the fixing member 20 to the mesh 10 using the press. It is preferable that the meshes 10 are firmly fused together.

More specifically, in the processing step 200, grooves 21 are formed precisely at the upper portion or the lower portion or both of the fixing member 20 using a cutting tool such as a knife to naturally form the engaging member 30 In this case, the latching member 30, that is, the flat portion 23 without the protrusion 30 'can be formed on the side surface of the fixing member 20, . In this case, problems such as breakage and warping of the latching member 30, which may occur when the fixing member 20 having the latching member 30 formed thereon is adhered to the mesh 10, can be solved in advance , The ease of operation can be improved.

8 to 9, the mesh assembly according to the present invention further includes an insertion mechanism 100 for inserting the mesh assembly P into the soft tissue,

The insertion device 100 includes a trocar 110, a cannula 120, and a needle 130 that are inserted into a soft tissue.

More specifically, the trocar 110 includes an insertion portion 111 to be inserted into the soft tissue and a handle 113 to be connected to the insertion portion 111. The insertion portion 111 of the trocar 110 is further provided with an insertion portion 111A having a sharp end portion for penetrating the soft tissue. The insertion portion 111A of the trocar 110 is inserted through the soft tissue in the soft tissue by the insertion portion 111A. Thereby forming a passageway for inserting the mesh assembly P, which will be described later.

The cannula 120 may further include a cannula 120 to maintain the passage in the soft tissue to facilitate insertion of the mesh assembly P, And a coupling part 123 provided on the penetrating part 121 and adapted to be coupled to the handle 113 of the trocar 110. [ Accordingly, when the trocar 110 is inserted into the soft tissue after the trocar 110 coupled with the cannula 120 is inserted into the soft tissue, the cannula 120 is positioned within the soft tissue and the mesh assembly P is easily inserted .

The insertion portion 111 of the trocar 110 is longer than the penetration portion 121 of the cannula 120 so that the insertion portion 111A of the trocar 110 can be protruded, The insertion portion 111A of the trocar 110 comes out at the end of the tub 121 to easily penetrate the soft tissue.

As shown in FIG. 10 again, a step to be performed using the insertion mechanism 100 will be described in detail.

The trocar 110 to which the cannula 120 is coupled is inserted into the soft tissue to be treated first, and the trocar 110 is removed in the inserted state. In this case, the cannula 120 is positioned in the soft tissue to facilitate insertion of the mesh assembly P.

The mesh assembly P is inserted into the cannula 120 inserted into the soft tissue and the needle 130 to which the mesh assembly P is coupled is inserted into the cannula 120. The end portion PA of the needle 130 is sharpened so that the end PA of the needle penetrating the cannula 120 can bind the mesh assembly P to the soft tissue, Is preferably sharper than the end portion 111A of the trocar 110. [

The needle 130 is further provided with a coupling hole 131 at the end of the needle 130 in order to connect the mesh assembly P to the needle 130. The end of the needle 130 is connected to the coupling hole 131 So that the mesh assembly P can be positioned within the cannula 120 as the needle 130 passes through the cannula 120. [ Further, it is preferable that the mesh assembly P is positioned so as to protrude by about 1 cm through the cannula 120, but it is more preferable that the mesh assembly P is changed variously according to the method of operation and the position.

The needle 130 is removed and the cannula 120 is removed so that only the mesh assembly P can be positioned in the soft tissue.

Therefore, the mesh assembly P can be inserted into the soft tissue through the insertion mechanism 100 more easily and conveniently, thereby shortening the procedure time and simplifying the procedure.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the invention is not limited thereto. Various modifications, alterations, and changes may be made by those skilled in the art. And substitutions are to be construed as falling within the scope of protection of the present invention.

P: Mesh assembly 10: Mesh
11: Support part 13: Support part
113: Binding part 20: Fixing member
20 ': seal 30: latching member
30 ': projection 31: first latching part
33: second latching portion 35: connecting portion
21: groove 23:
100: Adhesion step 200: Processing step
100: insertion tool
110: Trocar 111: Insertion part
114: handle 120: cannula
121: penetrating part 123:
130: Needle 131: Coupling ball

Claims (15)

Mesh;
A fixing member fixed to the mesh and made of a thread;
And an engaging member provided at a fixed position of the mesh and the fixing member. The method according to claim 1,
Wherein the fixing member is joined in a staggered fashion to the upper and lower portions of the mesh. The method according to claim 1,
Wherein the latching member comprises a plurality of protrusions provided on the upper portion or the lower portion or both of the fixing members. The method of claim 3,
The protrusion
And the protruding portion protrudes from the fixing member in one direction. The method of claim 3,
The engaging member
First and second fastening portions provided on the fixing member, and connection portions provided between the first and second fastening portions,
Wherein the protrusion is protruded from the first engaging part and the second engaging part,
Wherein the first and second latching portions and the connecting portion are provided on the fixing member, respectively, one or more than one. 5. The method according to claim 4 or 5,
Wherein the fixing member is provided with a plurality of grooves,
The groove
A slanting portion formed obliquely to the thread,
And a straight portion extending in the slanting end portion and formed in the longitudinal direction of the seal. The method according to claim 6,
And a flat portion is further provided on a side surface of the fixing member. 8. The method of claim 7,
Wherein the mesh is provided with one or a plurality of fixing members. Mesh;
A fixing member fixed to the mesh and made of a thread;
And a locking member provided at a position where the mesh and the fixing member are fixed to each other, the method comprising:
A forming step of forming an engaging member at a position where the mesh and the fixing member are fixed;
A protruding step of protruding the engaging member formed in the machining step from the mesh;
Wherein the first and second surfaces of the first and second surfaces are in contact with each other. 10. The method of claim 9,
Wherein the step of forming the engaging member on the mesh comprises forming a thick portion on the mesh and integrally molding the mesh and the engaging member by injection molding. Mesh;
A fixing member fixed to the mesh and made of a thread;
And a locking member provided at a position where the mesh and the fixing member are fixed to each other, the method comprising:
A bonding step of bonding a fixing member to the mesh;
A forming step of forming an engaging member on a fixing member fixed to the mesh by the adhering step;
A protruding step of protruding an engaging member formed in the machining step;
Wherein the first and second surfaces of the first and second surfaces are in contact with each other. 12. The method of claim 11,
In the bonding step
And a press for fusing the fixing member to the mesh,
Wherein the press fuses the fixation member or the mesh or both of them in a dot manner. 13. The method of claim 12,
In the processing step
Wherein a groove is formed in the upper portion or the lower portion or both of the fixing member to form an engaging member. The apparatus of claim 1, further comprising an insertion mechanism for inserting the mesh assembly of claim 1 into the soft tissue,
The insertion mechanism
An insertion portion to be inserted into the soft tissue, and a handle portion to be connected to the insertion portion;
A cannula provided in the trocar and including a penetrating portion for interpolating the insertion portion and a coupling portion provided on the penetrating portion and coupled to the trocar;
Wherein the first and second electrodes are electrically connected to each other. 15. The method of claim 14,
Further comprising a needle inserted into the penetration of the cannula,
The needle is further provided with a coupling hole to which the mesh assembly is coupled so that the mesh assembly can be inserted into the soft tissue,
Wherein an end of the needle is tapered than an end of the insertion portion of the trocar.

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