Mould for skin doubling technology in skin grafting operation

By designing a mold for skin grafting surgery, the problem of expensive cutting skin molds in the prior art and difficulty in ensuring consistency in manual cutting is solved, efficient and accurate skin cutting is achieved, and the quality and efficiency of skin grafting surgery are improved.

CN119818154APending Publication Date: 2025-04-15175TH HOSPITAL OF PEOPLES LIBERATION ARMY
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Patent Information

Application Number
CN202510115600.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2025-04-15

AI Technical Summary

Technical Problem

The cutting skin mold used in Meek skin grafting surgery in the prior art is expensive, and the technology is protected by patents, resulting in a market monopoly and increasing the economic burden on patients. At the same time, manual cutting is difficult to ensure the consistency of the size and shape of the skin grafting surgery, which affects the efficiency and quality of skin grafting surgery.

Method used

A mold for skin grafting technology in skin grafting surgery is designed, including placing plates and cover plates, with equally spaced cutting grooves on the cover plates, with a clearance of 3mm, and cutting along the cutting grooves through the cutting tool to ensure consistency in the size of the skin.

Benefits of technology

Through the use of the mold, the skin graft can be accurately cut into square skin 3mm×3mm, which improves the efficiency and quality of skin grafting surgery, reduces the surgical time, reduces the risk of infection, and improves the utilization rate of skin grafting materials.

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Abstract

The invention provides a mould for a skin doubling technology in a skin grafting operation, which comprises a placing plate and a cover plate, a plurality of grafted skins are placed on the placing plate, the cover plate tightly covers the grafted skins and cuts the grafted skins through a cutting tool, a buckle is arranged between the placing plate and the cover plate, cutting grooves are arranged on the cover plate at equal intervals, and the gap between the cutting grooves is 3mm. The cover plate tightly covers the grafted skin, and the vertical cutting width is 3 mm. The cutting grooves are formed in the cover plate at equal intervals, the gap of the cutting grooves is 3 mm, the cutting grooves can be matched with a cutting tool to accurately cut the grafted skin into square skin pieces of 3 mm * 3 mm, the accuracy of the size of the grafted skin is ensured, and the surgical effect is improved advantageously. By means of the placing plate, the cover plate and the protrusions on the lower surface of the cover plate, the grafted skin can be kept stable in the cutting process, and therefore the completeness and quality of the grafted skin are guaranteed. The use method of the mold is simple and convenient, the cutting work of skin grafting can be rapidly and efficiently completed through a standardized operation process, the operation time is saved, and the operation efficiency is improved.
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Description

Technical Field

[0001] The invention relates to the field of skin grafting surgery, in particular to a mold used for skin-double technology in skin grafting surgery. Background Art

[0002] Meek skin grafting is a method commonly used to treat large-area burns and skin defects. In this operation, the mold for cutting skin flaps plays a vital role. It can cut the skin into skin flaps of specific size and shape for transplantation. However, the molds for cutting skin flaps used in Meek skin grafting are currently expensive on the market. The technology of Meek skin grafting molds may be protected by patents, which requires manufacturers to pay patent fees, further pushing up the price of the molds. In some cases, there may be only a few manufacturers in the market that can provide molds for cutting skin flaps in Meek skin grafting, which may lead to market monopoly, making it difficult to reduce prices and bringing a greater financial burden to patients. Therefore, the development of molds for double skin technology in skin grafting is particularly important.

[0003] In traditional skin grafting surgery, doctors usually need to rely on experience and manual operation to cut the skin, which not only requires high technical skills of doctors, but also is cumbersome and time-consuming. In addition, manual cutting makes it difficult to ensure the consistency of the size and shape of the skin graft, which may affect the effect of the skin grafting surgery.

[0004] The existing technology lacks a special skin graft cutting mold, which limits the efficiency and quality of skin grafting surgery. Doctors need to spend more time and energy to cut the skin during surgery, which increases the difficulty and risk of the operation. At the same time, inconsistent skin size and shape may also lead to poor healing of the skin after transplantation, affecting the patient's recovery process. Therefore, we propose a mold for the double skin technique in skin grafting surgery. Summary of the invention

[0005] The purpose of the present invention is to address the problems raised by the existing background technology. In order to achieve the above invention purpose, the present invention provides the following technical solutions: a mold for double skin technology in skin grafting surgery, including a placement plate and a cover plate, the placement plate is provided with a groove, a gasket is placed in the groove, a plurality of skin grafts are placed on the gasket, the cover plate covers the skin graft and is cut by a cutting tool, and a buckle is provided between the placement plate and the cover plate.

[0006] As a preferred technical solution of the present invention, the cutting grooves of the cover plate are arranged at equal intervals, and the gap between the cutting grooves is 3 mm.

[0007] As a preferred technical solution of the present invention, the vertical cutting width of the cover plate covering the skin graft is 3mm, the horizontal cutting width of the cover plate covering the skin graft is 3mm, and the cut skin piece is a square with a size of 3mm×3mm.

[0008] As a preferred technical solution of the present invention, the buckle is connected to the cover plate.

[0009] As a preferred technical solution of the present invention, a protrusion corresponding to the cutting groove is provided on the lower surface of the cover plate.

[0010] As a preferred technical solution of the present invention, the buckles provided on the cover plate cooperate with the buckle seats on the placement plate to fix the cover plate on the placement plate.

[0011] A method for using a mold for double skin technique in skin grafting surgery, comprising the following steps: Step 1. Preoperative preparation: strictly disinfect the mold to ensure sterility, prepare the skin grafting material to be cut, and ensure that it is clean and undamaged;

[0012] Step 2. Placing the skin grafts: placing the processed skin grafts flatly on the placement board of the mold;

[0013] Step 3. Cover the cover: Carefully cover the cover on the placement board, making sure the skin graft is tightly sandwiched between the placement board and the cover; accurately align the buckles on the cover with the buckle seats on the placement board, and gently press to firmly fix the cover on the placement board; in this process, pay attention to the full contact between the protrusions on the lower surface of the cover and the skin graft to ensure the accuracy of the cutting;

[0014] Step 4. Adjust the position: Check that the cover completely covers the skin graft and that the skin graft has not moved or wrinkled on the placement board; if necessary, make fine adjustments to ensure that the skin graft is in the correct position;

[0015] Step 5. Cutting: Use a cutting tool to first cut vertically along the cutting groove on the cover plate with a width of 3 mm. After the vertical cutting is completed, remove the cover plate again, fix the skin graft horizontally with the cover plate, and then use a cutting tool to cut horizontally with a width of 3 mm to obtain a 3 mm×3 mm square skin piece.

[0016] Step 6. Check the cutting effect: After cutting, carefully open the buckle and remove the cover from the placement plate.

[0017] As a preferred technical solution of the present invention, the gap between the cutting tool in step 5 and the cutting groove is the same as 3 mm.

[0018] As a preferred technical solution of the present invention, the step 7 is also included: after the skin graft is cut, the skin graft is attached to the skin graft using a skin grafting film.

[0019] As a preferred technical solution of the present invention, step 8. cleaning and storage is also included: after the operation is completed, the mold is thoroughly cleaned and disinfected to remove residual skin graft debris and blood stains, and the cleaned mold is stored in a dry, sterile environment for next use.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The cover plate is provided with cutting grooves at equal intervals, and the gap between the cutting grooves is 3mm. The skin graft can be accurately cut into 3mm×3mm square skin pieces with the cutting tool, ensuring the consistency and accuracy of the skin graft size, which is conducive to improving the surgical effect. The placement plate and the cover plate, as well as the bulges on the lower surface of the cover plate, can keep the skin graft stable during the cutting process, reduce the occurrence of movement and wrinkles, and thus ensure the integrity and quality of the skin graft.

[0022] The use method of the mold of the present invention is relatively simple, and through a standardized operating procedure, the cutting work of the skin graft can be completed quickly and efficiently, thus saving operation time and improving operation efficiency.

[0023] The present invention strictly disinfects the mold before the operation, thoroughly cleans and disinfects it after the operation, and stores the mold in a dry, sterile environment, which helps to reduce the risk of infection and ensure the safety of the operation. During the operation, the buckle on the cover plate cooperates with the buckle seat on the placement plate, so that the cover plate can be firmly fixed, and the position adjustment is convenient, ensuring the correct position of the skin graft and improving the success rate of the operation. Accurate cutting can maximize the use of skin graft materials, reduce waste, and improve the utilization rate of skin graft materials. The mold and the method of use have high repeatability, can provide relatively consistent skin grafting treatment for different patients, and help improve the standardization of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of a horizontal placement structure provided by the present invention;

[0025] Figure 2 A schematic diagram of the longitudinal structure provided by the present invention;

[0026] Figure 3 The present invention is provided with a schematic diagram of a top view structure.

[0027] Indicated in the figure:

[0028] 1. Placement plate; 2. Cover plate; 201. Cutting groove; 3. Buckle; 301. Buckle seat. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0030] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. It should be noted that the embodiments of the present invention and the features and technical solutions in the embodiments can be combined with each other without conflict. It should be noted that similar numbers and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] Example 1: Please refer to Figure 1-Figure 3 A mold for double skin technology in skin grafting surgery includes a placement plate 1 and a cover plate 2. The placement plate 1 is provided with a groove, a gasket is placed in the groove, and multiple skin grafts are placed on the gasket. The cover plate 2 covers the skin graft and cuts it with a cutting tool. A buckle 3 is provided between the placement plate 1 and the cover plate 2. The cover plate 2 has cutting grooves 201 arranged at equal intervals, and the gap between the cutting grooves 201 is 3mm. The vertical cutting width of the skin graft covered by the cover plate 2 is 3mm, and the horizontal cutting width of the skin graft covered by the cover plate 2 is 3mm. The cut skin piece is a square with a size of 3mm×3mm.

[0032] The buckle 3 is connected to the cover plate 2. The lower surface of the cover plate 2 is provided with a protrusion corresponding to the cutting groove 201. The buckle 3 provided on the cover plate 2 cooperates with the buckle seat 301 on the placement plate 1 to fix the cover plate 2 on the placement plate 1.

[0033] The working principle of the mold of the double skin technique in skin grafting surgery is as follows: First, multiple skin grafts to be cut are placed on the placement plate 1. Then, the cover plate 2 is matched with the buckle seat 301 on the placement plate 1 through the buckle 3 to fix the cover plate 2 on the placement plate 1. At this time, the protrusions on the lower surface of the cover plate 2 are in contact with the skin graft, which plays a certain fixing and positioning role.

[0034] The cover plate 2 is provided with cutting grooves 201 arranged at equal intervals, and the gap between the cutting grooves 201 is 3 mm. After the cover plate 2 covers the skin graft, a cutting tool is used to cut along the cutting grooves 201. Since the vertical cutting width and the horizontal cutting width of the cover plate 2 covering the skin graft are both 3 mm, the cut skin piece is a square with a size of 3 mm×3 mm.

[0035] By using this mold, the skin graft can be cut more accurately into the required 3mm×3mm square skin flaps, thereby improving the efficiency and quality of the skin grafting operation.

[0036] The workflow of the mold of the double skin technique in skin grafting surgery: Preparation: Make sure that the placement plate 1 and cover plate 2 of the mold are clean and undamaged. Prepare the skin graft to be cut.

[0037] Placing skin grafts: Place multiple skin grafts neatly on placement board 1.

[0038] Put on the cover plate 2: match the buckle 3 of the cover plate 2 with the buckle seat 301 on the placement plate 1 to fix the cover plate 2 on the placement plate 1. In this process, the protrusion on the lower surface of the cover plate 2 contacts the skin graft, which plays a role in fixing and positioning the skin graft.

[0039] Cutting: Use a cutting tool to cut along the cutting groove 201 on the cover plate 2. Since the gap of the cutting groove 201 is 3 mm, and the vertical cutting width and the horizontal cutting width of the cover plate 2 covering the skin graft are both 3 mm, the cut skin piece is a square with a size of 3 mm×3 mm.

[0040] Cutting is completed: After the cutting is completed, the buckle 3 is opened, the cover plate 2 is removed from the placement plate 1, and the cut 3mm×3mm square skin graft is taken out for skin grafting surgery.

[0041] Embodiment 2: A method for using a mold for skin grafting surgery using a double skin technique, comprising the following steps:

[0042] Step 1. Preoperative preparation: Strictly disinfect the mold to ensure sterility, prepare the skin graft material to be cut, and ensure it is clean and undamaged;

[0043] Step 2. Placing the skin grafts: placing the processed skin grafts evenly on the placement plate 1 of the mold;

[0044] Step 3. Cover the cover plate 2: Carefully cover the cover plate 2 on the placement plate 1, ensuring that the skin graft is tightly clamped between the placement plate 1 and the cover plate 2; accurately align the buckle 3 on the cover plate 2 with the buckle seat 301 on the placement plate 1, and gently press to firmly fix the cover plate 2 on the placement plate 1; in this process, pay attention to the convexity on the lower surface of the cover plate 2 and the skin graft to ensure the accuracy of the cutting;

[0045] Step 4. Adjust the position: Check whether the cover plate 2 completely covers the skin graft and whether the skin graft has no movement or wrinkles on the placement plate 1; if necessary, make fine adjustments to ensure that the skin graft is in the correct position;

[0046] Step 5. Cutting: Use a cutting tool to first cut vertically along the cutting groove 201 on the cover plate 2 with a width of 3 mm; after the vertical cutting is completed, remove the cover plate 2 again, fix the skin graft horizontally with the cover plate 2, and then use a cutting tool to cut horizontally with a width of 3 mm to obtain a 3 mm×3 mm square skin piece;

[0047] Step 6. Check the cutting effect: After cutting is completed, carefully open the buckle 3 and remove the cover plate 2 from the placement plate 1.

[0048] The gap between the cutting tool and the cutting groove 201 in step 5 is the same as 3 mm.

[0049] Step 7. Collecting skin grafts: After the skin grafts are cut, use the skin grafting film to stick the skin grafts.

[0050] It also includes step 8. Cleaning and storage: After the operation is completed, the mold will be thoroughly cleaned and disinfected to remove residual skin graft debris and blood stains, and the cleaned mold will be stored in a dry, sterile environment for next use.

[0051] Before performing the skin grafting operation, the mold is first strictly disinfected to achieve a sterile state, and clean, undamaged skin graft materials are prepared. The processed multiple skin grafts are placed flat on the placement plate 1, and then covered with the cover plate 2. The protrusions on the lower surface of the cover plate 2 are in full contact with the skin graft, which can, on the one hand, play a certain role in fixing the skin graft, and on the other hand, help to ensure the accuracy of the cutting. By aligning the buckle 3 on the cover plate 2 with the buckle seat 301 on the placement plate 1 and pressing and fixing, the skin graft is tightly clamped between the placement plate 1 and the cover plate 2.

[0052] After ensuring that the cover plate 2 completely covers the skin graft and the skin graft position is correct, use a cutting tool to cut along the cutting groove 201 on the cover plate 2. The width of the cutting tool is the same as the gap of the cutting groove 201, both of which are 3mm. First, vertical cutting is performed to cut the skin graft into strips with a width of 3mm; after the vertical cutting is completed, the cover plate 2 is removed, the skin graft is fixed horizontally, and then horizontal cutting is performed, also cutting with a width of 3mm, and finally a square skin piece of 3mm×3mm is obtained.

[0053] After the cutting is completed, the buckle 3 is opened, the cover plate 2 is removed, and the skin grafting film can be used to stick the skin graft. After the operation is completed, the mold is thoroughly cleaned and disinfected to remove the residual skin graft debris and blood stains, and the cleaned mold is stored in a dry and sterile environment for the next use.

[0054] Example 3: A mold used for the double skin technique in skin grafting surgery was used during the operation.

[0055] Preoperative preparation:

[0056] Medical staff put the mold into a high-temperature and high-pressure sterilizer for strict disinfection to ensure that the mold is sterile.

[0057] Take out the prepared skin graft materials from the sterile packaging. These skin graft materials have been strictly screened and processed to ensure that they are clean and undamaged.

[0058] Placement of skin graft:

[0059] After the operation begins, the processed multiple skin grafts are placed flatly on the placement plate 1 of the mold to ensure that there is no overlap or wrinkles between the skin grafts.

[0060] Put on cover 2:

[0061] Carefully place the cover plate 2 on the placement plate 1 so that the skin graft is tightly sandwiched between the placement plate 1 and the cover plate 2.

[0062] Carefully align the buckle 3 on the cover plate 2 with the buckle seat 301 on the placement plate 1 , and press gently to firmly fix the cover plate 2 on the placement plate 1 .

[0063] During this process, it is noted that the protrusions on the lower surface of the cover plate 2 are in full contact with the skin graft, which effectively fixes the skin graft and provides accuracy guarantee for subsequent cutting.

[0064] Adjust position:

[0065] Check whether the cover plate 2 completely covers the skin graft. It is found that one part of the skin graft is slightly exposed. Adjustments are made in time to ensure that the skin graft does not move or wrinkle on the placement plate 1.

[0066] To make the cut:

[0067] A specially equipped cutting tool is used, the width of which is the same as the gap of the cutting groove 201 on the cover plate 2, both of which are mm.

[0068] First, vertical cutting is performed along the cutting groove 201 on the cover plate 2, and the skin graft is cut into strips according to a width of mm.

[0069] After the vertical cutting is completed, the cover plate 2 is carefully removed and the skin graft is fixed horizontally on the placement plate 1.

[0070] The cutting tool is used again to perform transverse cutting along the cutting groove 201 on the cover plate 2, and the cutting is also performed according to the width of mm, and finally a square leather piece of mm×mm is successfully obtained.

[0071] Check the cutting effect:

[0072] After the cutting is completed, carefully open the buckle 3 and remove the cover plate 2 from the placement plate 1.

[0073] The cut leather pieces were inspected and found to be of the expected size, with neat cutting edges and no damage or unevenness.

[0074] Collecting skin pieces:

[0075] After the skin graft is cut, the cut skin grafts are glued together one by one in preparation for transplantation using the skin grafting film.

[0076] Cleaning and storage:

[0077] After the operation is completed, the used mold is placed in a special cleaning pool and thoroughly rinsed with sterile saline to remove residual skin graft debris and blood stains.

[0078] The cleaned molds are sterilized again and then stored in a dry, sterile storage cabinet until the next use.

[0079] Example 4: In a skin grafting operation on a patient with a large area of ​​burns, the doctor used this mold for the double skin technique in skin grafting surgery. According to the work flow, first carry out preparation work, carefully check the placement plate 1 and cover plate 2 of the mold to ensure that they are clean and undamaged, and prepare the skin grafts that need to be cut. Then, place multiple skin grafts neatly on the gasket in the groove of the placement plate 1. Next, cover the cover plate 2, match the buckle 3 of the cover plate 2 with the buckle seat 301 on the placement plate 1, so that the cover plate 2 is firmly fixed on the placement plate 1. At this time, the protrusion on the lower surface of the cover plate 2 is in close contact with the skin graft, which plays a good role in fixing and positioning the skin graft. Afterwards, the doctor uses a special cutting tool to cut along the cutting groove 201 on the cover plate 2. Since the gap of the cutting groove 201 is 3mm, and the vertical cutting width and horizontal cutting width of the skin graft covered by the cover plate 2 are both 3mm, the cut skin pieces are all 3mm×3mm squares. Finally, after the cutting is completed, the doctor opens the buckle 3, removes the cover plate 2 from the placement plate 1, and successfully takes out the cut 3mm×3mm square skin grafts, and successfully applies these skin grafts to the patient's skin grafting surgery, thereby improving the efficiency and quality of the surgery.

[0080] The mold once again played an important role when performing a skin grafting operation on a scalded patient. Before the operation, the medical staff carefully completed the preparation work, confirmed that the placement plate 1 and cover plate 2 of the mold were in good condition and free of any contamination or damage, and prepared suitable skin grafting materials. Then, the skin grafts to be cut were neatly placed on the placement plate 1 one by one. Subsequently, the cover plate 2 was accurately placed on the placement plate 1, and the buckle 3 of the cover plate 2 was tightly fastened with the buckle seat 301 on the placement plate 1, so that the cover plate 2 was firmly fixed on the placement plate 1. In this process, the protrusions on the lower surface of the cover plate 2 effectively fixed and positioned the skin graft. Then, the medical staff used a strictly sterilized cutting tool to make precise cuts along the cutting groove 201 on the cover plate 2. Due to the design characteristics of the mold, the cut skin pieces are all 3mm×3mm squares with uniform size, which meets the requirements of the operation. After completing the cutting, the medical staff carefully opened the buckle 3, removed the cover plate 2 from the placement plate 1, and then took out the cut 3mm×3mm square skin grafts, and quickly and accurately transplanted them to the patient's burned area, providing strong support for the patient's recovery. It also demonstrates the practicality and effectiveness of the mold in skin grafting surgery.

[0081] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A mold for double skin technique in skin grafting surgery, characterized in that: It comprises a placement plate (1) and a cover plate (2), wherein the placement plate (1) is provided with a groove, a gasket is placed in the groove, a plurality of skin grafts are placed on the gasket, the cover plate (2) covers the skin grafts and is cut by a cutting tool, and a buckle (3) is provided between the placement plate (1) and the cover plate (2).

2. A mold for double skin technique in skin grafting surgery according to claim 1, characterized in that: The cover plate (2) has cutting grooves (201) arranged at equal intervals, and the spacing between the cutting grooves (201) is 3 mm.

3. A mold for double skin technique in skin grafting surgery according to claim 2, characterized in that: The vertical cutting width of the cover plate (2) covering the skin graft is 3 mm, and the horizontal cutting width of the cover plate (2) covering the skin graft is 3 mm. The cut skin piece is a square with a size of 3 mm×3 mm.

4. A mold for double skin technique in skin grafting surgery according to claim 3, characterized in that: The buckle (3) is connected to the cover plate (2).

5. A mold for double skin technique in skin grafting surgery according to claim 4, characterized in that: The lower surface of the cover plate (2) is provided with a protrusion corresponding to the cutting groove (201).

6. A mold for skin grafting technique in skin grafting surgery according to claim 5, characterized in that: The buckle (3) provided on the cover plate (2) cooperates with the buckle seat (301) on the placement plate (1) to fix the cover plate (2) on the placement plate (1).

7. A method for using a mold for skin grafting surgery using double skin technology, characterized in that: The following steps are involved: Step 1. Preoperative preparation: Strictly disinfect the mold to ensure sterility and prepare the skin grafting materials to be cut; Step 2. Placing the skin grafts: placing the processed skin grafts evenly on the placement plate (1) of the mold; Step 3. Cover the cover plate (2): Carefully cover the cover plate (2) on the placement plate (1) to ensure that the skin graft is tightly clamped between the placement plate (1) and the cover plate (2); accurately align the buckle (3) on the cover plate (2) with the buckle seat (301) on the placement plate (1), and gently press to firmly fix the cover plate (2) on the placement plate (1); in this process, pay attention to the protrusion on the lower surface of the cover plate (2) and the skin graft in full contact; Step 4. Adjust the position: Check that the cover plate (2) completely covers the skin graft and that the skin graft does not move or wrinkle on the placement plate (1); Step 5. Cutting: Using a cutting tool, first cut vertically along the cutting groove (201) on the cover plate (2) with a width of 3 mm; after the vertical cutting is completed, remove the cover plate (2) again, fix the skin graft horizontally with the cover plate (2), and then use a cutting tool to cut horizontally with a width of 3 mm to obtain a square skin piece of 3 mm×3 mm; Step 6. Check the cutting effect: After the cutting is completed, carefully open the buckle (3) and remove the cover (2) from the placement plate (1).

8. The method for using a mold for double skin technique in skin grafting surgery according to claim 7, characterized in that: The gap between the cutting tool in step 5 and the cutting groove (201) is the same as 3 mm.

9. The method for using a mold for double skin technique in skin grafting surgery according to claim 8, characterized in that: The step also includes step 7. collecting skin grafts: after the skin grafts are cut, the skin grafts are attached to the skin grafts using skin grafting films.

10. The method for using a mold for skin grafting surgery according to claim 9, characterized in that: It also includes step 8. Cleaning and storage: After the operation is completed, the mold will be thoroughly cleaned and disinfected to remove residual skin graft debris and blood stains, and the cleaned mold will be stored in a dry, sterile environment.