CN117503238A - Skin stretching device and skin stretching method - Google Patents

Abstract

The invention discloses a skin stretching device and a skin stretching method using the skin stretching device, wherein the skin stretching device comprises a stretching structure and an adjusting structure, the stretching structure comprises a first stretching sleeve, a second stretching sleeve and a stretching wire, and a wire hole communicated with an inner tube of the second stretching sleeve is formed in the middle of the second stretching Zhang Taoguan. The adjusting structure comprises a limiting sleeve and an adjusting piece, wherein the limiting sleeve is connected to the outer side of the second stretching sleeve, the closed end is accommodated in the limiting sleeve, and part of the adjusting piece stretches into the limiting sleeve and is connected to the closed end. The skin stretching device can be used for adjusting the stretching distance of the skin by medical staff to a great extent.

Description

Skin stretching device and skin stretching method

Technical Field

The invention relates to the technical field of medical equipment, in particular to a skin stretching device and a skin stretching method.

Background

Wound repair is a common clinical problem and mainly comprises traumatic wound, diabetic wound, radioactive ulcer, dynamic and static ulcer, pressure ulcer and the like. At present, for some skin wounds with larger areas, a skin stretching device is needed to repair, and the skins at two sides of the wound are guided to be close to each other through the traction effect of the skin stretching device, so that the wound healing is realized.

In the related art, after the sharp part of the skin stretcher mainly penetrates through the skins at two sides, the wound surface is gathered and polymerized through the traction device, the structure is complex, and when the large wound surface is faced, enough stretchers are required to be distributed on the wound surface with a certain length, so that the uniform repair of the wound surface can be realized. On one hand, the difficulty of the repair operation is increased, and the treatment cost is increased; on the other hand, the number of the stretch devices is large, which is not beneficial to the adjustment of the stretch distance in the process.

Disclosure of Invention

The invention mainly aims to provide a skin stretching device which aims at prolonging the wound repair length, reducing the operation difficulty and simultaneously facilitating the adjustment of the stretching distance of the skin.

To achieve the above object, the present invention provides a skin stretching device comprising:

the stretching structure comprises a first stretching sleeve, a second stretching sleeve and a stretching wire, wherein a wire hole for communicating an inner tube of the second stretching sleeve is formed in the middle of the second stretching sleeve Zhang Taoguan, the first stretching sleeve and the second stretching Zhang Taoguan are arranged at two sides of a wound surface at intervals, the end part of the stretching wire sequentially penetrates through the first stretching sleeve and the second stretching Zhang Taoguan through the wire hole and penetrates out of the wire hole, and a closed end is formed on the outer side of the second stretching sleeve through the stretching wire; and

the adjusting structure comprises a limiting sleeve and an adjusting piece, wherein the limiting sleeve is connected to the outer side of the second stretching sleeve, the closed end is accommodated in the limiting sleeve, a part of the adjusting piece stretches into the limiting sleeve and is connected to the closed end, and the adjusting piece can pull the closed end to move towards one side far away from the second stretching sleeve so that the first stretching sleeve and the second stretching Zhang Taoguan move towards each other.

In an embodiment of the present invention, the adjusting member includes a body and a connection seat, where a portion of the body extends into the limiting sleeve and is detachably connected to the closed end, and the connection seat abuts against an end portion of the limiting sleeve away from the second traction Zhang Taoguan and is detachably connected to the body.

In an embodiment of the invention, the body is provided with a plurality of clamping buckles, the clamping buckles are arranged at intervals along the extending direction of the body, the connecting seat is provided with clamping holes, and any one of the clamping buckles can be buckled in the clamping holes.

In an embodiment of the invention, the locking buckle includes a guiding surface and a locking surface that are connected, the guiding surface is disposed obliquely towards one side of the second leg Zhang Taoguan, the body moves towards one side away from the second leg Zhang Taoguan, and the locking buckle is slidably locked in the locking hole.

In an embodiment of the invention, the material of the body is a flexible material, and the connection seat is integrally formed at an end of the body.

In an embodiment of the invention, the second stretching sleeve includes a tube body and an elastic sleeve sleeved outside the tube body, the tube body is provided with the wire hole, and the elastic sleeve is provided with a position avoiding hole corresponding to the wire hole.

In an embodiment of the invention, at least one limiting rib is formed on the outer side of the pipe body in a surrounding manner, a limiting groove is formed on the inner wall surface of the elastic sleeve, and the limiting rib can be elastically embedded in the limiting groove.

In an embodiment of the invention, the second stretching sleeve includes a positioning flange, the positioning flange is annularly arranged at the outer edge of the wire hole, and the limiting sleeve can be inserted into the outer side of the positioning flange.

In an embodiment of the invention, the material of the tube body and the elastic sleeve is medical grade plastic material.

The invention also provides a skin stretching method, which is applied to the skin stretching device and comprises the following steps of:

step one: sterilizing the wound surface to be repaired;

step two: fixing the first stretching sleeve and the second stretching sleeve on two sides of the wound surface;

step three: the end part of the stretching wire is guided by a suture needle to penetrate through a wire hole of the second stretching sleeve, and after penetrating into wound skin and the first stretching sleeve respectively, the end part extends out of the wire hole and is knotted outside the second stretching sleeve to form a closed end;

step four: connecting an adjusting piece to the closed end of the stretching wire, sleeving the adjusting piece and the outer side of the closed end by adopting a limiting sleeve, and abutting one end of the limiting sleeve to the outer side of the second stretching sleeve;

step five: according to the treatment condition, the adjusting piece is pulled, so that the stretching wire drives the first stretching sleeve and the second stretching sleeve Zhang Taoguan to move towards each other, and further the skins on two sides of the wound surface are driven to approach each other.

The skin stretching device comprises a stretching structure and an adjusting structure, wherein the stretching structure comprises a first stretching sleeve, a second stretching sleeve and a stretching wire, and a wire hole communicated with an inner tube of the second stretching Zhang Taoguan is formed in the middle of the second stretching Zhang Taoguan. The adjusting structure comprises a limiting sleeve and an adjusting piece, wherein the limiting sleeve is connected to the outer side of the second stretching sleeve, the closed end is accommodated in the limiting sleeve, and part of the adjusting piece stretches into the limiting sleeve and is connected to the closed end.

In a specific application, the first stretching sleeve and the second stretching sleeve Zhang Taoguan are arranged at two sides of the wound surface at intervals, one end of the stretching wire stretches into the second stretching Zhang Taoguan from the wire hole and stretches out from an opening at one end of the stretching wire, the stretching wire respectively penetrates into the first stretching sleeve, the second stretching sleeve and the skin at the end parts of the first stretching sleeve and the second stretching sleeve under the guidance of the suture needle, finally penetrates out from the wire hole, and is knotted at the outer side of the second stretching sleeve to form a closed end. Under the action of external force, the adjusting piece can pull the closed end to move towards one side far away from the second stretching sleeve, so that the first stretching sleeve and the second stretching sleeve are close to each other, and the skins at the two sides of the traction wound surface are close to each other, and the wound surface is repaired. According to the invention, the first stretching sleeve and the second stretching sleeve Zhang Taoguan are connected through the stretching wire, and the stretching wire penetrates into the skin at the end part of the stretching wire at the same time, namely, under the action of the stretching force of the stretching wire, the first stretching sleeve and the second stretching sleeve can drive the wound skin contacted with the first stretching sleeve and the second stretching sleeve to be close to each other, so that the wound repair distance is prolonged to a certain extent, and meanwhile, the first stretching sleeve and the second stretching sleeve Zhang Taoguan with different lengths can be replaced according to the conditions of a patient and the wound, so that the skin stretching device can be better close to the actual situation, and further the wound repair effect is improved. Simultaneously, through adopting regulating part pulling closed end, can be with first stretch sleeve pipe, second stretch sleeve pipe and corresponding skin be close to each other, so, also made things convenient for medical personnel to adjust the stretch distance of skin to a great extent.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of a skin retractor of the present invention applied to a wound surface;

FIG. 2 is a top view of the skin retractor of FIG. 1;

FIG. 3 is a side view of the skin retractor of FIG. 1;

FIG. 4 is a cross-sectional view of the skin retractor of FIG. 3 taken along the direction A-A;

FIG. 5 is an enlarged detail view at A in FIG. 4;

FIG. 6 is a cross-sectional view taken along A-A of another embodiment of a skin retractor of the present invention;

FIG. 7 is an exploded view of the skin retractor of FIG. 6;

fig. 8 is a flow chart of the steps of the skin stretching method of the present invention.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Skin stretching device	13a	Closed end
10	Stretching structure	20	Adjusting structure
				11	First stretching sleeve	21	Limiting sleeve
12	Second lead Zhang Taoguan	22	Adjusting piece
				12a	Wire hole	221	Body
121	Pipe body	2211	Clamping buckle
				1211	Spacing protruding muscle	2211a	Guide surface
122	Elastic sleeve	2211b	Fastening surface
				122a	Avoidance hole	222	Connecting seat
122b	Limiting groove	222a	Clamping hole
				123	Positioning flange	200	Wound surface
13	Stretch wire

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

Referring to fig. 1-5, the present invention proposes a skin retractor 100.

In the embodiment of the invention, the skin stretching device 100 comprises a stretching structure 10, and comprises a first stretching sleeve 11, a second stretching Zhang Taoguan and a stretching wire 13, wherein a wire hole 12a communicated with an inner tube of the second stretching sleeve 12 is formed in the middle of the second stretching sleeve 12, the first stretching sleeve 11 and the second stretching sleeve 12 are arranged at two sides of a wound surface 200 at intervals, the end part of the stretching wire 13 sequentially penetrates through the first stretching sleeve 11 and the second stretching Zhang Taoguan 12 through the wire hole 12a and penetrates out through the wire hole 12a, and the stretching wire 13 forms a closed end 13a at the outer side of the second stretching sleeve 12; the adjusting structure 20 comprises a limiting sleeve 21 and an adjusting piece 22, the limiting sleeve 21 is connected to the outer side of the second stretching sleeve 12, the closed end 13a is accommodated in the limiting sleeve 21, a part of the adjusting piece 22 stretches into the limiting sleeve 21 and is connected to the closed end 13a, and the adjusting piece 22 can pull the closed end 13a to move towards the side far away from the second stretching sleeve 12 so as to enable the first stretching sleeve 11 and the second stretching sleeve Zhang Taoguan to move towards each other.

Specifically, in the present embodiment, the second stretch-casing 12 includes a tube body 121 and an elastic sleeve 122 sleeved on the outer side of the tube body 121, wherein the tube body 121 and the elastic sleeve 122 are made of medical plastic materials, which is convenient for forming and manufacturing, and has high safety. The pipe body 121 has a rigid structure, two ends of the pipe body are open, a wire hole 12a is formed in the middle of the pipe body, the elastic sleeve 122 is elastically embedded in the outer surface of the pipe body 121, a position avoiding hole 122a corresponding to the wire hole 12a is formed in the elastic sleeve, and the wire hole 12a and the position avoiding hole 122a are used for allowing the tension wire 13 to pass in or pass out. At least one limiting rib 1211 is formed on the outer side of the pipe body 121 in a surrounding mode, a limiting groove 122b is formed on the inner wall surface of the elastic sleeve 122, the elastic sleeve 122 is sleeved on the outer side of the pipe body 121, the limiting rib 1211 can be elastically embedded in the limiting groove 122b, and therefore connection between the pipe body 121 and the elastic sleeve 122 is more stable. The structure of the first stretching sleeve 11 may refer to the structure of the second stretching sleeve 12, and the difference is that the first stretching sleeve 11 is not provided with the wire hole 12a and the avoidance hole 122a, and the structure of the first stretching sleeve 11 will not be described in detail herein.

Referring to fig. 2 again, in a specific application, the first stretching sleeve 11 and the second stretching sleeve 12 may be disposed at two sides of the wound surface 200 at intervals in advance, and fixed by a medical adhesive tape. The end of the stretching wire 13 is connected with a suture needle, under the operation of medical staff, the stretching wire 13 enters the needle from a starting point O, the warp hole 12a stretches into the second stretching Zhang Taoguan and stretches out from an opening at one end of the warp hole, the stretching wire 13 respectively penetrates into the first stretching sleeve 11, the second stretching Zhang Taoguan and the skin at the end of the first stretching sleeve and the skin at the end of the second stretching sleeve along the arrow direction, finally penetrates out from the wire hole 12a, returns to a terminal point P, and is knotted outside the second stretching sleeve 12 to form a closed end 13a. The closed end 13a is positioned in the limit sleeve 21, the adjusting piece 22 partially stretches into the limit sleeve 21 and is connected with the closed end 13a, and under the action of external force, the adjusting piece 22 can pull the closed end 13a to move towards one side far away from the second stretching sleeve 12, so that the first stretching sleeve 11 and the second stretching sleeve 12 are close to each other, and the skins at two sides of the traction wound surface 200 are close to each other, and the repair is performed.

In the invention, the first stretching sleeve 11 and the second stretching sleeve Zhang Taoguan are connected through the stretching wire 13, the stretching wire 13 penetrates into the skin at the end part of the stretching wire at the same time, namely, under the action of the stretching force of the stretching wire 13, the first stretching sleeve 11 and the second stretching sleeve 12 can drive the skin of the wound surface 200 contacted with the first stretching sleeve 11 and the second stretching sleeve 12 to be close to each other, so that the repairing distance of the wound surface 200 is prolonged to a certain extent, and meanwhile, the first stretching sleeve 11 and the second stretching sleeve Zhang Taoguan with different lengths can be replaced according to the conditions of a patient and the wound surface 200, so that the skin stretching device 100 can be better close to the actual situation, and further the repairing effect of the wound surface 200 is improved. Meanwhile, the first stretching sleeve 11, the second stretching sleeve Zhang Taoguan 12 and the corresponding skin can be mutually close by pulling the closed end 13a through the adjusting piece 22, so that the stretching distance of the skin can be adjusted by medical staff to a great extent.

It can be appreciated that, because the contact area between the first stretching sleeve 11 and the second stretching Zhang Taoguan and the skin of the wound surface 200 is larger, the pain of the patient can be relieved to a greater extent when the operation adjusting member 22 pulls the stretching wire 13 to repair the wound surface 200.

Referring to fig. 4 and 5 again, in an embodiment of the invention, the adjusting member 22 includes a body 221 and a connecting seat 222, wherein a portion of the body 221 extends into the limiting sleeve 21 and is detachably connected to the closed end 13a, and the connecting seat 222 abuts against an end portion of the limiting sleeve 21 away from the second stretching sleeve 12 and is detachably connected to the body 221.

Specifically, the body 221 extends in a long strip shape, and is formed with a plurality of fastening buckles 2211 disposed at intervals, the plurality of fastening buckles 2211 are disposed at intervals along the extending direction of the body 221, the connection base 222 is provided with fastening holes 222a, and any fastening buckle 2211 can be fastened in the fastening hole 222 a. In a specific application, the closed end 13a of the tension wire 13 may be connected to the end of the body 221 in advance by winding and knotting, then the limiting sleeve 21 is sleeved on the outer side of the body 221, one end of the limiting sleeve is abutted to the outer side of the second tension sleeve 12, the end of the body 221 away from the closed end 13a extends out from the opening on one side of the limiting sleeve 21, the connecting seat 222 is placed at the opening of the limiting sleeve 21, the clamping buckle 2211 is buckled in the clamping hole 222a, the connecting seat 222 is connected with the body 221, and the body 221 is fixedly acted on the connecting seat 222 under the action of the tension force of the tension wire 13 due to the tension force of the tension wire 13, so that the connecting seat 222 is firmly abutted to the opening end of the limiting sleeve 21.

The body 221 and the connecting seat 222 are connected by the clamping buckle 2211 and the clamping hole 222a, the structure of the adjusting piece 22 is simple, and the adjusting operation is more convenient. It can be appreciated that the distance between the plurality of fastening buckles 2211 can be set according to the actual need of repairing the wound surface 200. For example, the distance between the plurality of clamping buckles 2211 is 0.5mm, and medical staff can select the quantity of the corresponding clamping buckles 2211 for single movement according to the healing condition of the patient, so that stretching distances are 0.5mm, 1.0mm, 1.5mm and the like, the skin stretching distance is precisely controlled, and the skin stretching effect is improved. The number of the snap-in buckles 2211 and the number of the plurality of snap-in buckles 2211 are not particularly limited.

Referring to fig. 6 and 7, in other embodiments of the present invention, the adjusting member 22 includes an adjusting rod (not shown) and an adjusting seat (not shown), wherein the adjusting rod includes a rod body (not shown) and a connecting buckle (not shown) rotatably connected to an end of the rod body, the adjusting seat is sleeved on an end of the limiting sleeve 21 and provided with a threaded hole, and a thread is formed in a middle portion of the rod body. The rod body is in threaded connection with the adjusting seat, and the closing end 13a is connected in the connecting buckle. In specific application, the skin stretching distance can be adjusted by rotating the end part of the rod body, so that the skin stretching distance is controlled more accurately.

Referring to fig. 5 again, further, the fastening buckle 2211 includes a guiding surface 2211a and a fastening surface 2211b connected to each other, specifically, the guiding surface 2211a is inclined toward the second leg Zhang Taoguan side, the fastening surface 2211b forms an included angle with the guiding surface 2211a, and a fastening inclined surface (not shown) matched with the guiding surface 2211a is formed in the fastening hole 222 a. Under the action of external force, the body 221 moves towards the side away from the second pulling and pushing Zhang Taoguan, under the guidance of the guiding surface 2211a, the guiding surface 2211a and the buckling inclined surface are attached and pressed mutually, so that the buckling buckle 2211 finally extends out of the buckling hole 222a, and under the action of the pulling and stretching wire 13, the buckling surface 2211b of the buckling buckle 2211 abuts against the opening end of the buckling hole 222a, and thus the adjustment operation of the pulling and stretching distance can be completed. In the present application, by providing the guiding surface 2211a and the fastening surface 2211b, on one hand, the connection between the fastening buckle 2211 and the fastening hole 222a is relatively firm; on the other hand, medical staff can complete the adjustment of the stretching distance without tripping, the repairing effect of the wound surface 200 can be further improved, and the pain feeling of a patient is reduced.

Referring to fig. 4 again, further, in the present embodiment, the body 221 is made of a flexible material, such as a medical plastic material, the connecting seat 222 is integrally formed at the end of the body 221, and the body 221 can be bent and folded to form a "U" shape under the action of external force. In a specific application, after the first stretching sleeve 11, the second stretching Zhang Taoguan and the skin puncturing are connected by using the suture needle, the closed end 13a is formed on the outer side of the second stretching sleeve 12 in advance, and the body 221 is bent through the closed end 13a and connected to the connecting seat 222, so as to connect the closed end 13a with the body 221. Thus, the wound surface 200 of the medical staff is more convenient to repair and operate.

Referring to fig. 7 again, in an embodiment of the present invention, the second stretching sleeve 12 includes a positioning flange 123, the positioning flange 123 is disposed around the outer edge of the wire hole 12a, and when the limiting sleeve 21 abuts against the outer side of the second stretching sleeve 12, the end portion of the limiting sleeve is inserted into the outer side of the positioning flange 123. So can avoid limit sleeve 21 and second to lead Zhang Taoguan to take place the condition of dislocation each other in the operation or the surface of a wound 200 repair process, and then guarantee surface of a wound 200 prosthetic effect.

Referring to fig. 8, the present invention further provides a skin stretching method, which uses the skin stretching device 100 as described above, wherein the skin stretching method comprises the following steps:

s10, step one: disinfecting the wound surface 200 to be repaired;

in this step, the wound 200 to be repaired is sterilized by selecting medicines such as alcohol, iodophor, etc. according to the actual conditions of the wound 200 and the patient.

S20, step two: fixing the first stretching sleeve 11 and the second stretching Zhang Taoguan 12 on two sides of the wound surface 200;

in this step, the lengths of the first stretching sleeve 11 and the second stretching sleeve 12 are selected according to the length of the wound 200, and when the length of the wound 200 is longer, the repair can be performed by adopting a mode of matching a plurality of first stretching sleeves 11 and a plurality of second stretching sleeves Zhang Taoguan. The first stretch tube 11 and the second stretch Zhang Taoguan are secured to the wound surface 200 skin by a medical adhesive.

S30, step three: the end part of the stretching wire 13 is guided by a suture needle to penetrate through a wire hole 12a of the second stretching sleeve 12, and after penetrating into the skin of the wound 200 and the first stretching sleeve 11 respectively, the end part extends out of the wire hole 12a, and is knotted outside the second stretching sleeve 12 to form a closed end 13a;

in this step, the suture needle is wound around and fixed to the end of the stretch yarn 13, and the suture needle is held by forceps so as to be inserted through the yarn hole 12a of the second stretch yarn 12, sequentially inserted into the wound surface 200 and the first stretch yarn 11 along the track line, returned to the second stretch yarn Zhang Taoguan 12, then extended through the yarn hole 12a, and knotted outside the second stretch yarn 12 to form the closed end 13a.

S40, step four: connecting an adjusting piece 22 to a closed end 13a of the tension wire 13, sleeving the adjusting piece 22 and the outer side of the closed end 13a by adopting a limiting sleeve 21, and abutting one end of the limiting sleeve 21 to the outer side of the second tension sleeve 12;

s50, step five: according to the treatment condition, the adjusting piece 22 is pulled, so that the stretching wire 13 drives the first stretching sleeve 11 and the second stretching sleeve Zhang Taoguan to move towards each other, and further drives the skins at two sides of the wound surface 200 to approach each other.

The skin stretching method is simple in operation and high in safety, the first stretching sleeve 11 and the second stretching sleeve Zhang Taoguan are connected through the stretching wire 13, the stretching wire 13 penetrates into the skin at the end of the skin stretching wire, namely, under the action of the stretching force of the stretching wire 13, the first stretching sleeve 11 and the second stretching sleeve 12 can drive the skin of the wound 200 contacted with the first stretching sleeve 11 and the second stretching sleeve 12 to be close to each other, so that the repairing distance of the wound 200 is prolonged to a certain extent, and meanwhile, the first stretching sleeve 11 and the second stretching sleeve Zhang Taoguan with different lengths can be replaced according to the conditions of a patient and the wound 200, so that the skin stretching device 100 can be better close to the actual situation, and further the repairing effect of the wound 200 is improved. Meanwhile, the first stretching sleeve 11, the second stretching sleeve Zhang Taoguan 12 and the corresponding skin can be mutually close by pulling the closed end 13a through the adjusting piece 22, so that the stretching distance of the skin can be adjusted by medical staff to a great extent.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (10)

1. A skin retractor, comprising:

the stretching structure comprises a first stretching sleeve, a second stretching sleeve and a stretching wire, wherein a wire hole for communicating an inner tube of the second stretching sleeve is formed in the middle of the second stretching sleeve Zhang Taoguan, the first stretching sleeve and the second stretching Zhang Taoguan are arranged at two sides of a wound surface at intervals, the end part of the stretching wire sequentially penetrates through the first stretching sleeve and the second stretching Zhang Taoguan through the wire hole and penetrates out of the wire hole, and a closed end is formed on the outer side of the second stretching sleeve through the stretching wire; and

the adjusting structure comprises a limiting sleeve and an adjusting piece, wherein the limiting sleeve is connected to the outer side of the second stretching sleeve, the closed end is accommodated in the limiting sleeve, a part of the adjusting piece stretches into the limiting sleeve and is connected to the closed end, and the adjusting piece can pull the closed end to move towards one side far away from the second stretching sleeve so that the first stretching sleeve and the second stretching Zhang Taoguan move towards each other.

2. The skin retractor of claim 1, wherein said adjustment member comprises a body and a connector, a portion of said body extending into said stop collar and being removably connected to said closed end, said connector being adapted to abut an end of said stop collar distal from said second leg Zhang Taoguan and being removably connected to said body.

3. The skin stretching device of claim 2, wherein the body is provided with a plurality of clamping buckles, the clamping buckles are arranged at intervals along the extending direction of the body, the connecting seat is provided with clamping holes, and any clamping buckle can be buckled in each clamping hole.

4. The skin retractor of claim 3, wherein said snap fastener comprises a guide surface and a snap surface connected, said guide surface being disposed obliquely toward said second leg Zhang Taoguan, said body being movable toward a side facing away from said second leg Zhang Taoguan, said snap fastener being slidably snapped into said snap hole.

5. The skin retractor of claim 3, wherein the body is made of a flexible material, and the connector is integrally formed at an end of the body.

6. The skin stretching device of any one of claims 1-5, wherein the second stretching sleeve comprises a tube body and an elastic sleeve sleeved outside the tube body, the tube body is provided with the wire hole, and the elastic sleeve is provided with a avoidance hole corresponding to the wire hole.

7. The skin stretching device of claim 6, wherein at least one limiting rib is formed on the outer side of the tube body in a surrounding mode, a limiting groove is formed on the inner wall surface of the elastic sleeve, and the limiting rib can be elastically embedded in the limiting groove.

8. The skin retractor of claim 6, wherein said second retractor cannula comprises a locating flange, said locating flange is looped around an outer edge of said wire aperture, and said stop cannula is insertable outside of said locating flange.

9. The skin retractor of claim 6, wherein said tube and said elastic sleeve are made of medical grade plastic material.

10. A skin stretching method applying the skin stretching device according to any one of claims 1 to 9, characterized in that the skin stretching method comprises the steps of:

step one: sterilizing the wound surface to be repaired;

step two: fixing the first stretching sleeve and the second stretching sleeve on two sides of the wound surface;

step three: the end part of the stretching wire is guided by a suture needle to penetrate through a wire hole of the second stretching sleeve, and after penetrating into wound skin and the first stretching sleeve respectively, the end part extends out of the wire hole and is knotted outside the second stretching sleeve to form a closed end;

step four: connecting an adjusting piece to the closed end of the stretching wire, sleeving the adjusting piece and the outer side of the closed end by adopting a limiting sleeve, and abutting one end of the limiting sleeve to the outer side of the second stretching sleeve;

step five: according to the treatment condition, the adjusting piece is pulled, so that the stretching wire drives the first stretching sleeve and the second stretching sleeve Zhang Taoguan to move towards each other, and further the skins on two sides of the wound surface are driven to approach each other.