CN113384365B - Skin flap is repaiied into skin piece auxiliary instrument - Google Patents

Abstract

The invention discloses an auxiliary device for repairing skin flaps, comprising a support base, a movable support column, a flap support plate and a fixed buckle, the movable support column is sleeved on the surface of the support base, and the movable support column and The supporting base is threadedly connected; the present invention can replace fingers to support the skin flap through the setting of the flap support plate, and can liberate one hand of the doctor, so that it is convenient for the doctor to perform surgery with both hands, which improves the convenience and Comfortable, thereby improving the efficiency of the operation. Through the setting of four fixing buckles, the flap on the top of the flap support plate can be fixed, avoiding the situation that the flap slides on the surface of the flap support plate, and improving the flap Through the cooperation of the support base and the movable support column, the height of the flap support plate can be raised and lowered, thereby improving the applicability of the auxiliary device for skin flap repairing, and being applicable to different use environments.

Description

An auxiliary device for skin flap repairing

technical field

The invention relates to the technical field of burn plastic surgery, in particular to an auxiliary instrument for skin flap repairing.

Background technique

Skin flap repairing is a common surgical operation, which is mainly aimed at thinning the cut skin flap, depending on the thickness of the skin flap required by the wound surface, and has a wide range of uses in burn plastic surgery. In terms of plastic surgery for burns, the common operation method for repairing skin flaps is: cutting and removing the skin parts that need to be repaired in pieces, and removing fat tissue and part of the dermis for the thin skin flaps that need to be repaired.

In the process of traditional skin flap repairing, one end of the skin needs to be fixed with a fixing clip, one hand fixes the skin, and the other hand performs the operation. During the operation, the doctor's left thumb and index finger clamp the skin flap , the index finger supports the surgical site, and the other hand performs the surgical operation. However, there will be the following problems in this way: 1. Stability of surgical fixation: the flap tissue is fixed by fingers, and it is easy to cause the hand to slide during the operation, thereby increasing the damage to the repaired skin; 2. Convenience of the operation: the operation is performed with one hand The operation will inevitably bring a lot of inconvenience, and the requirements for the doctor's level are too high; 3. Physical exertion: maintaining stable support for the fingers for a long time will make the doctor more tired during the operation; 4. Multiple finger presses may cause adverse effects on the skin tissue. Influence.

For this reason, we propose a kind of skin flap to be repaired into the auxiliary instrument of skin graft.

Contents of the invention

The technical task of the present invention is to address the above deficiencies, to provide an auxiliary device for skin flap repairing, which is used to replace the use of fingers. The flap support plate has a curved rectangular structure, and fixed buckles are arranged at the four corners of the support plane. It is used to fix at a specific skin position to prevent sliding, and at the same time, the height of the flap support plate can be adjusted by using a retractable movable support column to solve the above problems.

Technical scheme of the present invention is realized like this:

The invention provides an auxiliary device for repairing skin flaps, comprising: a support base, a movable support column, a flap support plate and a fixed buckle, the movable support column is sleeved on the surface of the support base, and the movable support column It is threadedly connected with the support base, the flap support plate is welded on the top of the movable support column, the number of the fixed buckles is four, and the four fixed buckles are respectively welded to the four corners of the flap support plate;

Wherein, the support base includes a support disc, a threaded sleeve, and a limit support column, and the limit support column is inserted on the top of the support disc, and the limit support column is located at the center of the top of the support disc, The threaded sleeve is sleeved on the surface of the limit support column, the inner wall of the threaded sleeve is welded to the limit support column, and the inner cavity of the limit support column is provided with a slot, and the slot is located at the limit At the central axis of the supporting column, both sides of the slot are provided with limiting slots;

Wherein, the movable support column includes a fixed column, a fixed collar, a rotating connection ring, a rotating sleeve, a post, a limit column, a connecting ring and a rotation limit ring, and the fixed collar is welded on the surface of the fixed column, The connecting ring is welded on the surface of the fixed collar, the thickness of the connecting ring is smaller than the thickness of the fixed collar, the rotation limiting ring is welded on the surface of the connecting ring, and the thickness of the rotating limiting ring is greater than that of the connecting ring Thickness, the post is welded on the bottom of the fixed column, the diameter of the post is smaller than the diameter of the fixed post, the post is located at the center of the bottom of the fixed post, the number of the limiting posts is two, two The limiting posts are respectively welded on both sides of the post, the rotating connecting ring is sleeved on the surface of the rotating limiting ring, the rotating connecting ring is rotatably connected with the rotating limiting ring, and the rotating sleeve is welded on the rotating The bottom of the connecting ring, the inner diameter of the rotating sleeve is the same as the inner diameter of the rotating connecting ring, the inner wall of the rotating connecting ring is provided with a connecting annular groove, the inside of the rotating connecting ring and the inner side of the connecting annular groove is provided with a rotating An annular groove, the inner cavity of the rotating sleeve is provided with a threaded groove, the threaded groove is sleeved on the surface of the threaded sleeve, the inner wall of the threaded groove is threadedly connected with the outer wall of the threaded sleeve, and the flap support plate Welded on the top of the fixed post;

Wherein, the fixed buckle includes a fixed buckle seat, a movable buckle seat, a first magnetic piece and a second magnetic piece, the fixed buckle seat is welded on the top of the flap support plate, and the top of the fixed buckle seat is embedded with The second magnetic piece, the second magnetic piece is located at the center of the top of the fixed buckle, the top of the fixed buckle is provided with a movable buckle, the bottom of the movable buckle is embedded with a first magnetic piece, the The first magnetic sheet is located at the center of the bottom of the movable buckle, the diameter of the slot is larger than that of the post, the bottom end of the post passes through the slot, and the post is plugged into the slot.

Preferably, the two limiting posts are respectively located in the inner cavities of the two limiting grooves, and the limiting posts are slidably connected with the limiting grooves.

Preferably, the surface of the rotating sleeve is covered with a silicone anti-slip sleeve, the inner wall of the silicone anti-slip sleeve is bonded to the rotating sleeve, and the surface of the silicone anti-slip sleeve is provided with anti-slip lines.

Preferably, the length of the post is the same as that of the limiting post.

Preferably, the connecting ring is located in the inner cavity of the connecting annular groove, and the connecting ring is rotatably connected with the connecting annular groove.

Preferably, the rotation limiting ring is located in the inner cavity of the rotating annular groove, and the rotating limiting ring is rotatably connected with the rotating annular groove.

Preferably, both the top of the fixed buckle and the bottom of the movable buckle are smooth, and the roughness of the top of the fixed buckle and the bottom of the movable buckle is not greater than Ra0.1.

Preferably, the inner sides of the first magnetic sheet and the second magnetic sheet have opposite magnetic properties.

As a preference, the top of the movable buckle is bonded with a pull block

As a preference, an installation groove is opened in the middle of the top of the support disc, and both sides of the installation groove are provided with card slots, the bottom of the limit support column is welded with an installation column, and the two sides inside the installation column are Each is provided with a movable slot, the inner cavity of the movable slot is slidably connected with a movable block, the side of the movable block close to the slot is welded with a block, and the side of the movable block away from the slot is welded with a spring.

Compared with prior art, advantage and positive effect of the present invention are:

1. The present invention, through the installation of the flap support plate, can replace the fingers to support the flap, and can liberate one hand of the doctor, so that it is convenient for the doctor to perform surgery with both hands, and the convenience and comfort of the doctor's operation are improved , thereby improving the efficiency of the operation;

2. The present invention can fix the flap on the top of the flap support plate through the arrangement of four fixing buckles, avoiding the situation that the flap slides on the surface of the flap support plate, and improving the stability of the flap;

3. The present invention, through the cooperation of the support base and the movable support column, can raise and lower the height of the flap support plate, thereby improving the applicability of the auxiliary device for repairing the flap, and being applicable to different use environments.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is a schematic structural view of an auxiliary device for repairing a skin flap according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of another viewing angle of the auxiliary instrument for skin flap repairing according to an embodiment of the present invention;

3 is a schematic structural view of a support base according to an embodiment of the present invention;

Fig. 4 is a schematic cross-sectional structure diagram of a position-limiting support column according to an embodiment of the present invention;

5 is a schematic structural view of a movable support column according to an embodiment of the present invention;

Fig. 6 is a structural schematic diagram of another viewing angle of a movable support column according to an embodiment of the present invention;

Fig. 7 is a schematic diagram of a connection structure of a rotating sleeve and a rotating connecting ring according to an embodiment of the present invention;

Fig. 8 is a schematic diagram of the connection structure of the insertion post and the fixing post according to an embodiment of the present invention;

Fig. 9 is a schematic cross-sectional structure diagram of a movable support column according to an embodiment of the present invention;

Fig. 10 is an enlarged view of the partial structure of A in Fig. 9 according to the present invention;

Fig. 11 is a schematic cross-sectional structure diagram of a fixing buckle according to an embodiment of the present invention;

Fig. 12 is a schematic cross-sectional structure diagram of a support base according to an embodiment of the present invention.

In the figure: 1, support base; 11, support disc; 12, threaded sleeve; 13, limit support column; 14, slot; 15, limit groove; 16, installation column; 17, card slot; 18, Block; 19, movable groove; 110, movable block; 111, spring; 112, installation groove; 2, movable supporting column; 21, fixed column; 22, fixed collar; 23, rotating connecting ring; 24, rotating sleeve ; 4, fixed buckle; 41, fixed buckle seat; 42, movable buckle seat; 43, the first magnetic piece; 44, the second magnetic piece; 45, pull block.

Detailed ways

In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Example 1

As shown in Figures 1-12, an auxiliary instrument for repairing skin flaps according to an embodiment of the present invention includes a support base 1, a movable support column 2, a flap support plate 3 and a fixed buckle 4, and the movable support column 2 Set on the surface of the support base 1, the movable support column 2 is threadedly connected with the support base 1, the flap support plate 3 is welded on the top of the movable support column 2, the number of fixed buckles 4 is four, and the four fixed buckles 4 are respectively welded on the four corners of the flap support plate 3.

Wherein, the support base 1 includes a support disc 11, a threaded sleeve 12, a limit support column 13, the limit support column 13 is inserted on the top of the support disc 11, and the limit support column 13 is located at the center of the support disc 11 top At the position, the threaded sleeve 12 is sleeved on the surface of the limit support column 13, the inner wall of the threaded sleeve 12 is welded with the limit support column 13, the inner cavity of the limit support column 13 is provided with a slot 14, and the slot 14 is located at the limit At the central axis of the support column 13, both sides of the slot 14 are provided with limiting grooves 15.

Wherein, the movable support column 2 comprises a fixed column 21, a fixed collar 22, a rotating connection ring 23, a rotating sleeve 24, a post 26, a limit column 27, a connecting ring 210 and a rotation limit ring 211, and the fixed collar 22 is welded On the surface of the fixed column 21, the connecting ring 210 is welded on the surface of the fixed collar 22, the thickness of the connecting ring 210 is less than the thickness of the fixed collar 22, the rotation limit ring 211 is welded on the surface of the connection ring 210, and the rotation limit ring 211 The thickness of the connecting ring 210 is greater than the thickness of the connecting ring 210. The post 26 is welded on the bottom of the fixed post 21. The diameter of the post 26 is less than the diameter of the fixed post 21. The post 26 is located at the center of the bottom of the fixed post 21. The number of limit posts 27 There are two, two limit posts 27 are respectively welded on both sides of the post 26, the rotating connecting ring 23 is sleeved on the surface of the rotating limiting ring 211, the rotating connecting ring 23 is rotationally connected with the rotating limiting ring 211, and the rotating sleeve The cylinder 24 is welded on the bottom of the rotating connecting ring 23, the inner diameter of the rotating sleeve 24 is the same as that of the rotating connecting ring 23, the inner wall of the rotating connecting ring 23 is provided with a connecting annular groove 29, and the inside of the rotating connecting ring 23 is located in the connecting annular groove The inner side of 29 is provided with a rotating annular groove 212, and the inner cavity of the rotating sleeve 24 is provided with a threaded groove 28. , the flap supporting plate 3 is welded on the top of the fixing post 21.

Wherein, the fixed buckle 4 includes a fixed buckle seat 41, a movable buckle seat 42, a first magnetic piece 43 and a second magnetic piece 44, the fixed buckle seat 41 is welded on the top of the flap support plate 3, and the top of the fixed buckle seat 41 is embedded There is a second magnetic piece 44, the second magnetic piece 44 is located at the center of the top of the fixed buckle 41, the top of the fixed buckle 41 is provided with a movable buckle 42, and the bottom of the movable buckle 42 is embedded with a first magnetic piece 43 , the first magnetic piece 43 is located at the center of the bottom of the movable buckle 42 .

By adopting the above-mentioned technical scheme, through the arrangement of 3 pairs of skin flap support plates, the skin flap can be supported instead of fingers, and one hand of the doctor can be liberated, so that it is convenient for the doctor to perform surgery with both hands, and the convenience and efficiency of the doctor's operation are improved. comfort, thereby improving the efficiency of the operation, through the setting of four fixing buckles 4, the flap at the top of the flap support plate 3 can be fixed, avoiding the situation that the flap slides on the surface of the flap support plate 3, and improving The stability of the skin flap is improved, and the height of the flap support plate 3 can be raised and lowered through the cooperation of the support base 1 and the movable support column 2, thereby improving the applicability of the auxiliary device for repairing the skin flap, and being applicable to Different use environments, the diameter of the slot 14 is greater than the diameter of the post 26, the bottom end of the post 26 runs through the slot 14, and the post 26 is plugged into the slot 14. By adopting the above technical scheme, the movable support post 2 can be carried out. The limit improves the stability of the movable support column 2 when it is raised and lowered.

The length of the post 26 is the same as that of the limit post 27 .

By adopting the above-mentioned technical solution, the limit post 27 can always keep the position limit on the insertion post 26 .

Connecting ring 210 is positioned at the inner cavity of connecting annular groove 29, and connecting ring 210 is connected with connecting annular groove 29 in rotation.

By adopting the above technical solution, the rotation limiting ring 211 can be driven to rotate in the rotation annular groove 212 through the connecting ring 210 .

The rotation limiting ring 211 is located in the inner cavity of the rotating annular groove 212 , and the rotating limiting ring 211 is rotatably connected with the rotating annular groove 212 .

By adopting the above technical solution, it is possible to avoid the falling off of the rotating connection ring 23 and improve the stability of the rotating connection ring 23 when rotating.

The top of the fixed buckle 41 and the bottom of the movable buckle 42 are smooth, and the roughness of the top of the fixed buckle 41 and the bottom of the movable buckle 42 is not greater than Ra0.1.

By adopting the above-mentioned technical scheme, it is possible to avoid the situation that the top of the fixed buckle seat 41 and the bottom of the movable buckle seat 42 contact with the skin flap and cause the skin flap to wear.

The inner sides of the first magnetic sheet 43 and the second magnetic sheet 44 have opposite magnetic properties.

By adopting the above-mentioned technical scheme, it is possible to utilize magnetism to place the movable buckle 42 and the fixed buckle 41 on both sides of the skin flap respectively to fix the skin flap.

Example 2

More specifically, as shown in Figure 5, the difference between this embodiment and the above-mentioned embodiments is that the surface of the rotating sleeve 24 is covered with a silicone anti-slip sleeve 25, and the inner wall of the silicone anti-slip sleeve 25 is bonded to the rotating sleeve 24. , the surface of the silicone anti-slip sleeve 25 is provided with anti-slip lines, by adopting the above-mentioned technical scheme, the friction force between the hand and the rotating sleeve 24 can be improved when rotating the rotating sleeve 24, and slipping occurs when the rotating rotating sleeve 24 is avoided.

Example 3

More specifically, as shown in Figures 4 and 8, the difference between this embodiment and the above-mentioned embodiment is that the two limiting posts 27 are respectively located in the inner cavities of the two limiting grooves 15, and the limiting columns 27 and the limiting grooves 15 Sliding connection, by using the above-mentioned technical scheme, the post 26 can be limited, avoiding that when the rotary connection ring 23 rotates, the rotary connection ring 23 drives the rotation limit ring 211, the connection ring 210, and the fixed collar through friction. 22 and the fixed column 21 rotate and then cause the post 26 to follow the rotation, which improves the stability of the duplication instrument.

Example 4

More specifically, as shown in Figure 11, the difference between this embodiment and the above-mentioned embodiments is that a pull block 45 is bonded to the top of the movable buckle seat 42. The point of application of force improves the convenience when pulling the movable buckle seat 42.

Example 5

More specifically, as shown in Figure 12, the difference between this embodiment and the above-mentioned embodiment is that the middle part of the top of the support disc 11 is provided with a mounting groove 112, and both sides of the mounting groove 112 are provided with a locking groove 17, the limit The bottom of the support column 13 is welded with a mounting column 16, and both sides of the mounting column 16 are provided with a movable groove 19, and the inner cavity of the movable groove 19 is slidably connected with a movable block 110, and the side of the movable block 110 near the draw groove 17 is welded There is a clamping block 18 , and a spring 111 is welded on the side of the movable block 110 away from the clamping groove 17 , which facilitates the installation of the limit support column 13 and the support disc 11 .

In order to facilitate the understanding of the above-mentioned technical solution of the present invention, the working principle or operation mode of the present invention in the actual process will be described in detail below.

In actual application, the movable buckle seats 42 on the four fixed buckles 4 are first separated from the fixed buckle seats 41 by the pull block 45, and then after the flap support plate 3 is placed on the flap operation area, the four movable buckles Seats 42 are respectively placed on the tops of the four fixed buckle seats 41, and the fixed buckle seats 41 and the movable buckle seats 42 are tightly connected together by magnetic force to fix the flap operation area. By rotating the rotating sleeve 24, the rotating sleeve The cylinder 24 drives the rotating connecting ring 23 on the top to rotate, and the rotating connecting ring 23 rotates on the surface of the rotation limiting ring 211. At the same time, the rotating sleeve 24 passes through the cooperation of the inner wall thread of the internal thread groove 28 and the surface thread of the threaded sleeve 12, so that The rotating sleeve 24 rises or falls, and then the top of the fixed column 21 rises or falls;

The present invention is provided with 3 pairs of skin flap support plates, which can replace the fingers to support the skin flap, and can liberate one hand of the doctor, thereby facilitating the operation with both hands of the doctor, improving the convenience and comfort of the doctor during operation, and further Improve the efficiency of the operation, through the setting of four fixing buckles 4, the skin flap on the top of the skin flap support plate 3 can be fixed, avoiding the situation that the skin flap slides on the surface of the skin flap support plate 3, and improving the stability of the skin flap. Stability, through the cooperation of the support base 1 and the movable support column 2, the height of the flap support plate 3 can be raised and lowered, thereby improving the applicability of the auxiliary device for repairing the flap, and being applicable to different use environments.

Through the above specific implementation manners, those skilled in the art can easily realize the present invention. However, it should be understood that the present invention is not limited to the specific embodiments described above. On the basis of the disclosed embodiments, those skilled in the art can arbitrarily combine different technical features, so as to realize different technical solutions.

Claims (5)

1. An auxiliary device for skin flap repair, characterized in that it includes: a support base (1), a movable support column (2), a flap support plate (3) and a fixed buckle (4); The movable support column (2) is sleeved on the surface of the support base (1); the movable support column (2) is screwed to the support base (1), and the flap support plate (3) is welded on the movable support column On the top of (2), the flap supporting plate (3) is an arc-shaped plate arched upwards, and the number of the fixing buckles (4) is four, and the four fixing buckles (4) are respectively Welded on the four corners of the flap support plate (3); wherein, the support base (1) includes a support disc (11), a threaded sleeve (12), a limit support column (13), and the limit support column (13) Inserted on the top of the support disc (11), the limit support column (13) is located at the center of the top of the support disc (11), and the threaded sleeve (12) is sleeved on the limit support The surface of the column (13), the inner wall of the threaded sleeve (12) is welded with the limit support column (13), and the inner cavity of the limit support column (13) is provided with a slot (14), and the insert The slot (14) is located at the central axis of the limit support column (13), and both sides of the slot (14) are provided with limit grooves (15); wherein, the movable support column (2) includes a fixed column ( 21), fixed collar (22), rotating connecting ring (23), rotating sleeve (24), inserting post (26), limiting post (27), connecting ring (210) and rotating limiting ring (211) , the fixing collar (22) is welded on the surface of the fixing column (21), the connecting ring (210) is welded on the surface of the fixing collar (22), and the thickness of the connecting ring (210) is smaller than that of the fixing collar (22), the rotation limiting ring (211) is welded on the surface of the connecting ring (210), the thickness of the rotating limiting ring (211) is greater than the thickness of the connecting ring (210), and the post ( 26) Welded on the bottom of the fixed column (21), the diameter of the inserted column (26) is smaller than the diameter of the fixed column (21), the inserted column (26) is located at the center of the bottom of the fixed column (21), the The number of limiting posts (27) is two, and the two limiting posts (27) are respectively welded on both sides of the post (26), and the rotating connecting ring (23) is sleeved on the rotating limiting ring ( 211), the rotating connecting ring (23) is rotationally connected with the rotating limiting ring (211), the rotating sleeve (24) is welded on the bottom of the rotating connecting ring (23), and the rotating sleeve (24 ) is the same as the inner diameter of the rotating connecting ring (23), the inner wall of the rotating connecting ring (23) is provided with a connecting annular groove (29), and the inside of the rotating connecting ring (23) is located in the connecting annular groove (29 ) is provided with a rotating annular groove (212), the inner cavity of the rotating sleeve (24) is provided with a threaded groove (28), and the threaded groove (28) is sleeved on the surface of the threaded sleeve (12), The inner wall of the threaded groove (28) is threadedly connected with the outer wall of the threaded sleeve (12), and the flap support plate (3) is welded on the top of the fixing column (21); wherein, the fixing buckle (4 ) includes a fixed buckle (41), a movable buckle (42), a first magnetic piece (43) and a second magnetic piece (44), and the fixed buckle (41) is welded on the flap support plate (3) At the top, the top of the fixed buckle (41) is embedded with a second magnetic piece (44), the second magnetic piece (44) is located at the center of the top of the fixed buckle (41), and the fixed buckle ( The top of 41) is provided with a movable buckle (42), and the bottom of the movable buckle (42) is embedded with a first magnetic piece (43), and the first magnetic piece (43) is located on the movable buckle (42) At the center of the bottom, the diameter of the slot (14) is greater than the diameter of the post (26), and the bottom end of the post (26) runs through the slot (14), and the post (26) and the slot (14) Insertion; the middle part of the top of the support disc (11) is provided with an installation slot (112), and both sides of the installation slot (112) are provided with card slots (17), and the limit support column The bottom of (13) is welded with a mounting column (16), and both sides of the mounting column (16) are provided with movable grooves (19), and the inner cavity of the movable groove (19) is slidingly connected with a movable block (110 ), the side of the movable block (110) close to the slot (17) is welded with a block (18), and the side of the movable block (110) away from the slot (17) is welded with a spring (111); The two limiting posts (27) are respectively located in the inner cavities of the two limiting grooves (15), and the limiting posts (27) are slidably connected with the limiting grooves (15); The length of the post (26) is the same as that of the limit post (27); The connecting ring (210) is located in the inner cavity of the connecting annular groove (29), and the connecting ring (210) is rotatably connected with the connecting annular groove (29); The rotation limiting ring (211) is located in the inner cavity of the rotating annular groove (212), and the rotating limiting ring (211) is rotationally connected with the rotating annular groove (212). 2. The auxiliary instrument for skin flap repairing according to claim 1, characterized in that, the surface of the rotating sleeve (24) is covered with a silicone anti-slip sleeve (25), and the silicone anti-slip sleeve (25 ) is bonded to the rotating sleeve (24), and the surface of the silicone anti-slip sleeve (25) is provided with anti-slip lines. 3. An auxiliary instrument for repairing skin flaps according to claim 1, characterized in that the top of the fixed buckle (41) and the bottom of the movable buckle (42) are smooth, and the fixed The roughness of the top of the button seat (41) and the bottom of the movable button seat (42) is not greater than Ra0.1. 4 . The auxiliary instrument for skin flap repairing according to claim 1 , characterized in that the magnetism of the inner sides of the first magnetic sheet ( 43 ) and the second magnetic sheet ( 44 ) are opposite. 5 . The auxiliary instrument for skin flap repairing according to claim 3 , characterized in that, a pull block ( 45 ) is bonded to the top of the movable buckle seat ( 42 ).

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