CN112155677B

CN112155677B - Auxiliary skin cutting device

Info

Publication number: CN112155677B
Application number: CN202011157652.8A
Authority: CN
Inventors: 王业广; 司友琴
Original assignee: Shenzhen Traditional Chinese Medicine Hospital
Current assignee: Shenzhen Traditional Chinese Medicine Hospital
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2022-04-26
Anticipated expiration: 2040-10-26
Also published as: CN112155677A

Abstract

The invention discloses an auxiliary skin cutting device which comprises two flexible tracks, a sliding part, an installation part and a limiting component, wherein the two flexible tracks are arranged at intervals, the sliding part is slidably arranged on the flexible tracks, the installation part is arranged on the sliding part in a penetrating mode and can move in the vertical direction, an installation groove which is arranged in a gap between the two flexible tracks is formed in the installation part and used for installing a scalpel, the limiting component is connected with the two flexible tracks, and the limiting component is used for limiting the sliding part. This supplementary skin device of cutting can satisfy the operation incision needs of different positions, different shapes and different degree of depth for operating personnel can once only cut skin accurately, has reduced the possibility that the relevant complication of cutting the skin appears, has promoted operation security, rapidity and accuracy.

Description

Auxiliary skin cutting device

Technical Field

The invention relates to the technical field of medical instruments, in particular to an auxiliary skin cutting device.

Background

The skin incision is the first step of all operations, and at present, the operator holds a scalpel to directly incise the skin, and the accuracy, depth, length, whether the skin is perpendicular to the skin and the like of the operator are completely dependent on the experience and hand feeling of the operator. Therefore, it is difficult to perfectly cut skin at one time during the operation, especially for the doctor with less experience. Therefore, the problems of increased wound, accidental injury to deep tissues or insufficient depth requiring repeated cutting often occur in the process of cutting the skin, which results in the problems of incomplete skin margin, prolonged operation time, difficult suturing, poor appearance, increased scars, even poor healing of the skin margin and even necrosis. Is far away from the ideas of precision, micro-wound and the like advocated at present.

Disclosure of Invention

The invention aims to provide an auxiliary skin cutting device which can meet the requirements of operation incisions at different positions, different shapes and different depths, so that an operator can accurately cut the skin at one time, the possibility of skin cutting related complications is reduced, and the safety, the rapidness and the accuracy of the operation are improved.

In order to realize the technical effects, the technical scheme of the auxiliary skin cutting device is as follows:

the invention discloses an auxiliary skin cutting device, which comprises: the number of the flexible tracks is two, and the two flexible tracks are arranged at intervals; the sliding piece is arranged on the flexible track in a sliding manner; the mounting piece penetrates through the sliding piece and can move up and down, a mounting groove arranged in a gap between the mounting piece and the two flexible rails is formed in the mounting piece, and the mounting groove is used for mounting a scalpel; and the limiting assembly is connected with the two flexible tracks and is used for limiting the sliding part.

In some embodiments, the mounting member is disposed obliquely, and an angle between an upper end surface of the mounting member and an upper end surface of the sliding member is an acute angle.

In some embodiments, two opposite side walls of the mounting groove are provided with limiting grooves, and the limiting grooves are used for limiting the scalpel.

In some embodiments, the auxiliary peeling device further comprises a first locking member, the first locking member is arranged on the sliding member in a penetrating mode, and one end of the first locking member can abut against the mounting member to lock the mounting member on the sliding member.

In some embodiments, each of the flexible tracks comprises a plurality of sequentially spliced track pieces, each of the track pieces comprising: the body comprises a vertical plate and transverse plates connected to two ends of the vertical plate; the first connecting part is connected to the side wall of the body and provided with a spherical connector; the second connecting part is connected to the other side wall of the body, is positioned on the side wall opposite to the body and is provided with a semispherical groove; the spherical connecting head of one track piece is rotatably matched in the hemispherical groove of the other track piece.

In some specific embodiments, the limiting assembly includes two limiting members, each of the two limiting members is slidably disposed on the two bodies, and the two limiting members are located on two sides of the sliding member.

In some more specific embodiments, each of the limiting members is provided with two sliding grooves arranged at intervals, each of the sliding grooves is matched with the transverse plate located above one of the rail members, the auxiliary peeling device further comprises a second locking member, the second locking member is arranged on the limiting member in a penetrating manner, and the second locking member is used for locking the limiting member on the rail member.

In some specific embodiments, the slider includes: the sliding plate is stopped against the top wall of the transverse plate positioned above the rail piece; the rotating shaft of the roller is connected to the sliding plate, the circumferential surface of the roller can be abutted against the side wall of the vertical plate, and the upper end surface of the roller is abutted against the bottom wall of the transverse plate above the rail piece.

In some more specific embodiments, the number of the rollers is three, two of the rollers are respectively positioned at the outer sides of the two flexible tracks, and the other roller is positioned between the two flexible tracks.

In some embodiments, the side wall of at least one of the flexible tracks is provided with scale marks.

The auxiliary skin cutting device provided by the embodiment of the invention has the advantages that the flexible track can limit the trend of the scalpel, so that the auxiliary skin cutting device can be suitable for incisions with different shapes; the flexible track is provided with the sliding part and the mounting part, and the mounting part is provided with a mounting groove for mounting the scalpel; the scalpel can be ensured to be vertical to the skin of a patient, so that an operator can accurately cut the skin at one time, the possibility of skin cutting related complications is reduced, and the safety, rapidness and accuracy of the operation are improved; because the installed part is worn to establish on the slider and can follow the up-and-down direction motion, can realize the adjustment of scalpel relative patient skin distance to the adjustment to the incision degree of depth is realized. The limiting assembly can limit the sliding range of the sliding part, so that the starting position and the ending position of the incision can be determined by adopting the limiting assembly according to the positioning of the intraoperative or preoperative images, and the auxiliary skin cutting device can be suitable for incisions with different lengths.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary skin cutting device according to an embodiment of the invention.

Fig. 2 is a schematic structural diagram of a rail member of a flexible rail of an auxiliary dermatome of the embodiment of the invention.

Fig. 3 is a schematic structural view of a sliding member and a mounting member of the auxiliary dermatome of the embodiment of the invention.

Fig. 4 is a schematic structural diagram of a limiting member of the auxiliary skin cutting device according to the embodiment of the invention.

Reference numerals:

1. a flexible track; 11. a rail member; 111. a body; 1111. a vertical plate; 1112. a transverse plate; 112. a first connection portion; 1121. a spherical connector; 113. a second connecting portion; 1131. a hemispherical groove; 2. a slider; 21. a sliding plate; 22. a roller; 23. a rotating shaft; 3. a mounting member; 31. mounting grooves; 32. a limiting groove; 4. a limiting component; 41. a limiting member; 411. a chute; 5. a first locking member; 6. and a second locking member.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The structure of the auxiliary skin cutting device according to the embodiment of the present invention will be described with reference to fig. 1 to 4.

The invention discloses an auxiliary skin cutting device, which comprises two flexible rails 1, two sliding parts 2, an installation part 3 and a limiting component 4, wherein the two flexible rails 1 are arranged at intervals, the sliding part 2 is slidably arranged on the flexible rails 1, the installation part 3 penetrates through the sliding part 2 and can move up and down, an installation groove 31 arranged in a gap between the two flexible rails 1 is formed in the installation part 3, the installation groove 31 is used for installing a scalpel, the limiting component 4 is connected with the two flexible rails 1, and the limiting component 4 is used for limiting the sliding part 2.

It can be understood that, in the actual use process, after the scalpel is installed in the installation groove 31, the orientation of the flexible track 1 can determine the orientation of the scalpel. That is to say, can adjust the trend of flexible track 1 according to patient's size and the needs of operation in the operation process to make the supplementary skin cutting device of this embodiment can be applicable to the incision of different shapes. And because the mounting groove 31 corresponds the gap setting of two flexible track 1, when the scalpel is installed in mounting groove 31 and flexible track 1 laminating on patient's skin like this, can guarantee that the scalpel is perpendicular and patient's skin for operating personnel can once only cut skin accurately, has reduced the possibility that the relevant complication of cuting appears, has promoted operation security, agility and accuracy.

Meanwhile, the mounting part 3 can move along the up-and-down direction, so that the distance between the scalpel and the skin of a patient can be adjusted, the cutting depth of the scalpel is accurately controlled, and the occurrence of complications caused by too deep or too shallow incisions in the operation process is avoided. In addition, because spacing subassembly 4 can spacing slider 2, that is to say in the in-service use process, slider 2 can only slide in the space that spacing subassembly 4 was prescribed a limit to can adopt spacing subassembly 4 to confirm the initial position and the termination site of incision according to image location before or in the art, thereby make the supplementary device of cuting of this embodiment can be applicable to the incision of different length.

The auxiliary skin cutting device of the embodiment has the advantages that the flexible track 1 is arranged, and the flexible track 1 can limit the trend of the scalpel, so that the auxiliary skin cutting device can be suitable for incisions with different shapes; because the sliding part 2 and the mounting part 3 are arranged on the flexible track 1, and the mounting part 3 is provided with the mounting groove 31 for mounting the scalpel, the scalpel can be ensured to be vertical to the skin of a patient, so that an operator can accurately cut the skin at one time, the possibility of occurrence of complications related to skin cutting is reduced, and the safety, the rapidness and the accuracy of the operation are improved; because installed part 3 wears to establish on slider 2 and can follow the up-and-down direction motion, can realize the adjustment of scalpel relative patient skin distance to realize the adjustment to the incision degree of depth.

Since the limiting component 4 can limit the sliding range of the sliding part 2, the limiting component 4 can be used for determining the starting position and the ending position of the incision according to the positioning of the intraoperative or preoperative image, so that the auxiliary skin cutting device of the embodiment can be suitable for incisions with different lengths.

In some embodiments, the mounting member 3 is disposed obliquely, and the upper end surface of the mounting member 3 and the upper end surface of the sliding member 2 form an acute angle. It can be understood that if the mounting member 3 is vertically arranged, the scalpel is always in a vertical state in the process of cutting the skin, and the scalpel in the state is not beneficial to skin cutting, and in the embodiment, because the mounting member 3 is obliquely arranged relative to the sliding member 2, the scalpel is in an inclined posture forming an acute angle with the horizontal plane in the process of cutting the skin, so that the skin cutting is convenient for a doctor, the doctor can cut the skin more smoothly and accurately at one time, and the possibility of occurrence of complications related to skin cutting is reduced.

It should be noted that the size of the included angle between the upper end surface of the mounting member 3 and the upper end surface of the sliding member 2 can be selected according to actual needs, and the size of the included angle is not specifically limited herein.

In some embodiments, the mounting groove 31 has two opposite side walls each having a limiting groove 32, and the limiting grooves 32 are used for limiting the position of the scalpel. Therefore, the limiting groove 32 can more stably embed the scalpel into the mounting groove 31, so that a doctor can stably control the scalpel to cut the skin at one time, and the possibility of skin cutting related complications is reduced.

It should be noted that the specific shape of the limiting groove 32 can be selected according to the type of the scalpel, and the specific shape of the limiting groove 32 is not limited herein.

In some embodiments, as shown in fig. 1, the auxiliary peeling device further comprises a first locking member 5, the first locking member 5 is arranged on the sliding member 2 in a penetrating way, and one end of the first locking member 5 can be abutted against the mounting member 3 to lock the mounting member 3 on the sliding member 2. It can be understood that, adjust installed part 3 according to incision degree of depth demand before the operation begins, can adopt first locking piece 5 to die installed part 3 lock on slider 2, just so avoided the incision in-process because the phenomenon of the skin cutting error that installed part 3 rocked and lead to takes place to ensure that the doctor can cut open the skin accurately, reduced the possibility that the relevant complication of skin cutting appears.

It should be noted here that the first locking member 5 can be selected from a screw or a pin according to actual needs, and particularly can be selected according to actual needs.

In some embodiments, as shown in fig. 1-2, each flexible track 1 includes a plurality of track pieces 11 connected in sequence, each track piece 11 includes a body 111, a first connecting portion 112 and a second connecting portion, the body 111 includes a vertical plate 1111 and a transverse plate 1112 connected to two ends of the vertical plate 1111, the first connecting portion 112 is connected to a side wall of the body 111, the first connecting portion 112 has a spherical connector 1121, the second connecting portion 113 is connected to another side wall of the body 111, and is located on a side wall opposite to the body 111 with respect to the first connecting portion 112, and the second connecting portion 113 has a hemispherical groove 1131. The ball-shaped connector 1121 of one rail member 11 is rotatably fitted into the hemispherical groove 1131 of the other rail member 11.

It can be understood that the flexible track 1 is formed by splicing a plurality of track pieces 11, and the length of the flexible track 1 can be adjusted according to actual needs in the actual use process, so that the auxiliary skin cutting device of the embodiment can better meet the needs of various incisions. And two adjacent track pieces 11 adopt spherical connector 1121 and hemisphere groove 1131 to realize the cooperation, have guaranteed that whole flexible track 1 can warp wantonly to the supplementary skin device of cutting of further having guaranteed this embodiment can be better satisfy the needs of various incisions.

In addition, the body 111 is formed in an i-shape, which can improve the strength of the entire flexible rail 1, thereby reducing the damage probability of the flexible rail 1. The body 111 is formed into an I shape, so that the limiting assembly 4 and the sliding part 2 can slide relative to the flexible track 1, the adjustment of the moving range of the sliding part 2 by the sliding limiting assembly 4 can be ensured, the accurate control of the incision length is ensured, the sliding part 2 can slide relative to the flexible track 1 smoothly, and the skin cutting operation by the scalpel can be smoothly completed by the doctor.

Of course, in other embodiments of the present invention, two adjacent rail members 11 may also adopt other structures for rotational engagement, and are not limited to the engagement structure of the spherical connection head 1121 and the hemispherical groove 1131 in this embodiment.

In some specific embodiments, the position-limiting assembly 4 includes two position-limiting members 41, each position-limiting member 41 is slidably disposed on two bodies 111, and the two position-limiting members 41 are disposed on two sides of the sliding member 2. Thus, the doctor can adjust the movable range of the slider 2 by the slide stopper 41, thereby ensuring accurate control of the incision length.

In some more specific embodiments, as shown in fig. 4, each retaining member 41 is provided with two sliding slots 411 arranged at intervals, each sliding slot 411 is engaged with the transverse plate 1112 located above one rail member 11, the auxiliary peeling device further includes a second locking member 6, the second locking member 6 is inserted through the retaining member 41, and the second locking member 6 is used for locking the retaining member 41 to the rail member 11. It can be understood that, the limiting member 41 is matched with the transverse plate 1112 of the track member 11 by the sliding slot 411, on one hand, the connection stability of the limiting member 41 and the track member 11 is better ensured, the phenomenon that the limiting member 41 falls off from the track member 11 is avoided, on the other hand, the limiting member 41 can be ensured to stably slide relative to the flexible track 1, and the doctor is ensured to realize accurate control of the incision length by sliding the limiting member 41.

In addition, before the operation, after the limiting member 41 is adjusted according to the operation requirement, the second locking member 6 is adopted to lock the limiting member 41, so that the preset incision length caused by the swinging of the limiting member 41 can be prevented from changing, and the accurate control of the incision length is ensured.

In some specific embodiments, as shown in fig. 3, the sliding member 2 includes a sliding plate 21 and a roller 22, the sliding plate 21 is abutted against the top wall of the transverse plate 1112 located above the rail member 11, the rotating shaft 23 of the roller 22 is connected to the sliding plate 21, the peripheral surface of the roller 22 can be abutted against the side wall of the vertical plate 1111, and the upper end surface of the roller 22 is abutted against the bottom wall of the transverse plate 1112 located above the rail member 11. It will be appreciated that the sliding plate 21 ensures the stability of the mounting of the entire slider 2, and thus the stability of the scalpel, relative to the flexible rail 1. The added roller 22 ensures that the sliding part 2 can slide relatively smoothly relative to the flexible track 1, thereby ensuring that a doctor can smoothly complete the skin cutting operation by adopting a scalpel.

In some more specific embodiments, as shown in fig. 3, the rollers 22 are three, wherein two rollers 22 are respectively located at the outer sides of the two flexible rails 1, and the other roller 22 is located between the two flexible rails 1. It can be understood that, the three rollers 22 are provided, which not only ensures the connection stability of the sliding member 2 and the rail member 11, but also ensures that the sliding member 2 can slide relatively smoothly relative to the rail member 11, thereby ensuring that the doctor can smoothly complete the skin cutting operation by using the scalpel.

Of course, in other embodiments of the present invention, the number and arrangement of the rollers 22 may be selected according to actual needs, and are not limited to the above limitations.

In some embodiments, the side wall of at least one flexible track 1 is provided with scale marks. Therefore, in the skin cutting process, a doctor can adjust the position of the limiting assembly 4 according to the scale marks to limit the sliding range of the sliding part 2, so that the accurate control of the incision length is realized.

Example (b):

an auxiliary dermatome of an embodiment of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1 to 4, the auxiliary dermatome of the present embodiment includes a flexible rail 1, a sliding member 2, a mounting member 3, a position-restricting assembly 4, a first locking member 5, and a second locking member 6.

Flexible track 1 is two, two flexible track 1 intervals set up, every flexible track 1 all includes eleven track spare 11 of concatenation in proper order, every track spare 11 all includes body 111, first connecting portion 112 and second are even connecting portion, body 111 includes riser 1111 and connects the diaphragm 1112 at riser 1111 both ends, first connecting portion 112 is connected on the lateral wall of body 111, first connecting portion 112 has spherical connector 1121, second connecting portion 113 is connected on another lateral wall of body 111, and be located the relative lateral wall that sets up of body 111 with first connecting portion 112, second connecting portion 113 has hemisphere groove 1131. The ball-shaped connector 1121 of one rail member 11 is rotatably fitted into the hemispherical groove 1131 of the other rail member 11.

The sliding member 2 includes a sliding plate 21 and three rollers 22, the sliding plate 21 is abutted against the top wall of the transverse plate 1112 located above the rail member 11, the rotating shaft 23 of each roller 22 is connected to the sliding plate 21, the circumferential surface of the roller 22 can be abutted against the side wall of the vertical plate 1111, and the upper end surface of the roller 22 is abutted against the bottom wall of the transverse plate 1112 located above the rail member 11. Two rollers 22 are respectively positioned at the outer sides of the two flexible tracks 1, and the other roller 22 is positioned between the two flexible tracks 1.

The installed part 3 wears to establish on the sliding plate 21 and is located between the gap of two flexible track 1, and installed part 3 just can relative sliding plate 21 along the up-and-down direction motion, be equipped with on the installed part 3 with the mounting groove 31 of the gap setting of two flexible track 1, all be equipped with spacing groove 32 on two relative lateral walls that set up of dress groove, and spacing groove 32 is used for spacing scalpel. The first locking piece 5 is arranged on the sliding piece 2 in a penetrating way, and one end of the first locking piece 5 can be stopped on the installation piece 3 to lock the installation piece 3 on the sliding piece 2.

The position limiting assembly 4 includes two position limiting members 41, each position limiting member 41 is slidably disposed on two bodies 111, and the two position limiting members 41 are located on two sides of the sliding member 2. Each limiting member 41 is provided with two sliding grooves 411 arranged at intervals, each sliding groove 411 is matched with a transverse plate 1112 located above one rail member 11, the second locking member 6 is arranged on the limiting member 41 in a penetrating manner, and the second locking member 6 is used for locking the limiting member 41 on the rail member 11.

The auxiliary skin cutting device of the embodiment has the following advantages:

firstly, the method comprises the following steps: the skin cutting function of accurate depth limitation and length limitation can be realized, the skin cutting operation of a doctor by only depending on experience and hand feeling is not needed, the blindness of the skin cutting in the operation is greatly reduced, and the probability of occurrence of complications related to the operation incision is reduced;

secondly, the method comprises the following steps: the operation efficiency is improved, the operation accuracy is improved, and the operation wound is reduced;

thirdly, the method comprises the following steps: the flexible track 1 with the scale is adopted for cutting skin and guiding, so that the skin cutting device is suitable for operations of various parts, and can be disassembled or connected according to actual requirements to meet the requirements of operations of various incision lengths;

fourthly: the sterilizing and reusing device has the advantages of capability of sterilizing and reusing, dexterity, convenience and high practicability;

fifth, the method comprises the following steps: the flexible ruler can be used as a positioning mark and a flexible ruler for measuring length in the operation process, and the use satisfaction of a user is greatly improved.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. An auxiliary skin cutting device, comprising:

the number of the flexible tracks (1) is two, and the two flexible tracks (1) are arranged at intervals;

the sliding piece (2) is arranged on the flexible track (1) in a sliding manner;

the mounting piece (3) penetrates through the sliding piece (2) and can move up and down, a mounting groove (31) formed in a gap between the mounting piece (3) and the two flexible rails (1) is formed in the mounting piece (3), and the mounting groove (31) is used for mounting a scalpel;

the limiting assembly (4), the limiting assembly (4) is connected with the two flexible tracks (1), and the limiting assembly (4) is used for limiting the sliding part (2); wherein:

each flexible track (1) all includes a plurality of track pieces (11) of concatenation in proper order, every track piece (11) all includes:

the body (111) comprises a vertical plate (1111) and a transverse plate (1112) connected to two ends of the vertical plate (1111);

a first connecting part (112), wherein the first connecting part (112) is connected to the side wall of the body (111), and the first connecting part (112) is provided with a spherical connector (1121);

a second connecting portion (113), wherein the second connecting portion (113) is connected to the other side wall of the body (111), and is located on the side wall opposite to the body (111) relative to the first connecting portion (112), and the second connecting portion (113) is provided with a hemispherical groove (1131); wherein the spherical joint (1121) of one of the rail members (11) is rotatably fitted in the hemispherical groove (1131) of the other rail member (11).

2. Auxiliary dermatome of claim 1, characterized in that the mounting piece (3) is arranged obliquely, the upper end face of the mounting piece (3) and the upper end face of the sliding piece (2) form an acute angle.

3. The auxiliary skin cutting device according to claim 1, wherein two opposite side walls of the mounting groove (31) are provided with limiting grooves (32), and the limiting grooves (32) are used for limiting the scalpel.

4. Auxiliary cutting device according to claim 1, characterized in that it further comprises a first locking member (5), said first locking member (5) being threaded onto said slider (2), one end of said first locking member (5) being able to rest against said mounting member (3) to lock said mounting member (3) onto said slider (2).

5. The auxiliary dermatome of claim 1, characterized in that the limiting component (4) comprises two limiting members (41), each limiting member (41) is slidably arranged on two bodies (111), and the two limiting members (41) are arranged on two sides of the sliding member (2).

6. The auxiliary peeling device as claimed in claim 5, wherein each limiting member (41) is provided with two sliding grooves (411) arranged at intervals, each sliding groove (411) is matched with the transverse plate (1112) of one rail member (11) located above, the auxiliary peeling device further comprises a second locking member (6), the second locking member (6) is arranged on the limiting member (41) in a penetrating manner, and the second locking member (6) is used for locking the limiting member (41) on the rail member (11).

7. Auxiliary cutting device according to claim 5, characterized in that said slider (2) comprises:

a sliding plate (21), wherein the sliding plate (21) is stopped against the top wall of the transverse plate (1112) positioned above the rail member (11);

the rotating shaft (23) of the roller (22) is connected to the sliding plate (21), the circumferential surface of the roller (22) can abut against the side wall of the vertical plate (1111), and the upper end surface of the roller (22) abuts against the bottom wall of the transverse plate (1112) above the rail piece (11).

8. Auxiliary cutting device according to claim 7, characterized in that said rollers (22) are three, two of said rollers (22) being located outside two of said flexible tracks (1), respectively, and the other one of said rollers (22) being located between two of said flexible tracks (1).

9. Auxiliary skin cutting device according to any one of claims 1-8, characterized in that the side wall of at least one of said flexible tracks (1) is provided with graduated markings.