Skin scratching device for skin biopsy

Abstract

The utility model relates to a skin scratching device for skin biopsy. The skin scratching device comprises a pasting unit, a first guide unit, a second guide unit, a first movable unit, a second movable unit, a first skin scratching unit and a second skin scratching unit. The skin scratching device has the advantages that the skin scratching device can be pasted to the skin of an affected part through the pasting unit, so that follow-up skin scratching operation is facilitated; the first guide unit and the second guide unit are matched for use, so that a leather scratching line can be limited, and the regularity of a notch is improved; the first movable unit, the second movable unit, the first skin scratching unit and the second skin scratching unit are used in cooperation to conduct skin scratching operation on the skin of the affected part; the distance between the first skin scratching unit and the second skin scratching unit close to the skin is limited through cooperative use of the first adjusting unit and the second adjusting unit, the phenomenon that the bleeding and soft tissue injury risks are increased due to too deep skin scratching is avoided, the experiment result is guaranteed, and the practicability of the skin scratching device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment for treating skin diseases, in particular to a skin cutting device for skin biopsy. Background Technique

[0002] In order to diagnose and treat some skin diseases or conduct relevant scientific research, skin tissue biopsy is often required. For the convenience of wound suture and beautiful healing, clinicians often choose a fusiform incision to obtain skin tissue. However, the size and shape of the cut skin depend on the technique, experience and on-site performance of the biopsy doctor. Excessive or unevenly cut skin will increase the pain of the patient. Too little cut skin may affect the biopsy results. At the same time, if the skin cutting is accidentally too deep, it will increase the risk of bleeding and soft tissue injury. In scientific research, the obtained skin specimens are different, which is not conducive to test standardization, increases the difficulty of subsequent sorting and analysis work, and may interfere with the test results.

[0003] At present, in view of the problems of uneven biopsy skin cutting incisions, accidentally too deep skin cutting increasing the risk of tissue injury and affecting biopsy results in the related technology, no effective solution has been proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a skin cutting device for skin biopsy in view of the deficiencies in the prior art, so as to solve the problems of uneven biopsy skin cutting incisions, accidentally too deep skin cutting increasing the risk of tissue injury and affecting biopsy results in the related technology.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is:

[0006] In the first aspect, a skin cutting device for skin biopsy is provided, including:

[0007] A pasting unit, which is arranged on the skin of the affected area and is used to paste the skin cutting device to the skin of the affected area;

[0008] A first guiding unit, which is arranged at the top end of the pasting unit and is connected with the pasting unit;

[0009] A second guiding unit, which is arranged at the top end of the pasting unit and is connected with the pasting unit, and is used to cooperate with the first guiding unit to form a fusiform shape;

[0010] A first moving unit, which is movably connected with the first guiding unit and is used to reciprocate along the length direction of the first guiding unit;

[0011] A second moving unit, which is movably connected with the second guiding unit and is used to reciprocate along the length direction of the second guiding unit;

[0012] The first skin-scratching unit is arranged on the first moving unit and is used to reciprocate at least along the length direction of the first guiding unit under the action of the first moving unit so as to scratch the skin of the affected area;

[0013] The second skin-scratching unit is arranged on the second moving unit and is used to reciprocate at least along the length direction of the second guiding unit under the action of the second moving unit so as to scratch the skin of the affected area.

[0014] In some embodiments, it further includes:

[0015] The first control unit is arranged on the top of the first moving unit and is used to drive the first skin-scratching unit to reciprocate along the height direction and the length direction of the first guiding unit;

[0016] The second control unit is arranged on the top of the second moving unit and is used to drive the second skin-scratching unit to reciprocate along the height direction and the length direction of the first guiding unit.

[0017] In some embodiments, it further includes:

[0018] The first adjusting unit is arranged inside the first moving unit and is respectively connected to the first skin-scratching unit and the first control unit, and is used to drive the first skin-scratching unit to reciprocate along the height direction of the first moving unit under the action of the first control unit;

[0019] The second adjusting unit is arranged inside the second moving unit and is respectively connected to the second skin-scratching unit and the second control unit, and is used to drive the second skin-scratching unit to reciprocate along the height direction of the second moving unit under the action of the second control unit.

[0020] By adopting the above technical solutions, the utility model has the following technical effects compared with the prior art:

[0021] A skin cutting device for skin biopsy of the present utility model can paste the skin cutting device on the skin of the affected area by using a pasting unit, so as to facilitate subsequent skin cutting operations; the cooperation between the first guiding unit and the second guiding unit can define the skin cutting line to improve the neatness of the incision; the cooperation between the first moving unit, the second moving unit, the first skin cutting unit and the second skin cutting unit is used to perform skin cutting operations on the skin of the affected area; the cooperation between the first adjusting unit and the second adjusting unit defines the distance between the first skin cutting unit and the second skin cutting unit close to the skin, avoiding the risk of excessive skin cutting depth increasing bleeding and soft tissue damage, ensuring the experimental results, and improving the practicability of the skin cutting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a three-dimensional structural schematic diagram of the skin cutting device according to an embodiment of the present utility model;

[0023] Figure 2 a is a partial structural schematic diagram (I) of the skin cutting device according to an embodiment of the present utility model;

[0024] Figure 2 b is a partial structural schematic diagram (II) of the skin cutting device according to an embodiment of the present utility model;

[0025] Figure 3 is an exploded view of the pasting unit according to an embodiment of the present utility model;

[0026] Figure 4 a is an enlarged partial view of the first guiding unit according to an embodiment of the present utility model;

[0027] Figure 4 b is an enlarged partial view of the second guiding unit according to an embodiment of the present utility model;

[0028] Figure 5 a is a three-dimensional structural schematic diagram of the first moving unit according to an embodiment of the present utility model;

[0029] Figure 5 b is a three-dimensional structural schematic diagram of the second moving unit according to an embodiment of the present utility model;

[0030] Figure 6 a is a three-dimensional structural schematic diagram of the first skin cutting unit according to an embodiment of the present utility model;

[0031] Figure 6 b is a three-dimensional structural schematic diagram of the second skin cutting unit according to an embodiment of the present utility model;

[0032] Figure 7 a is a three-dimensional structural schematic diagram of another structure of the first guiding unit according to an embodiment of the present utility model;

[0033] Figure 7 Figure b is a three-dimensional structural schematic diagram of another structure of the second guiding unit according to an embodiment of the present invention;

[0034] Figure 8 Figure a is a three-dimensional structural schematic diagram (one) of another structure of the first moving unit according to an embodiment of the present invention;

[0035] Figure 8 Figure b is a three-dimensional structural schematic diagram (two) of another structure of the first moving unit according to an embodiment of the present invention;

[0036] Figure 9 Figure a is a three-dimensional structural schematic diagram (one) of another structure of the second moving unit according to an embodiment of the present invention;

[0037] Figure 9 Figure b is a three-dimensional structural schematic diagram (two) of another structure of the second moving unit according to an embodiment of the present invention;

[0038] Figure 10 Figure a is a three-dimensional structural schematic diagram (one) of another structure of the peeling device according to an embodiment of the present invention;

[0039] Figure 10 Figure b is a three-dimensional structural schematic diagram (two) of another structure of the peeling device according to an embodiment of the present invention;

[0040] Figure 11 Figure a is a three-dimensional structural schematic diagram of the first control unit according to an embodiment of the present invention;

[0041] Figure 11 Figure b is a three-dimensional structural schematic diagram of the second control unit according to an embodiment of the present invention;

[0042] Figure 12 Figure a is an exploded view of the first adjustment unit according to an embodiment of the present invention;

[0043] Figure 12 Figure b is an exploded view of the second adjustment unit according to an embodiment of the present invention;

[0044] The reference numerals therein are: 100, pasting unit; 101, pasting element; 102, first chute element; 103, second chute element; 104, isolation element; 200, first guiding unit; 201, first guiding element; 202, third chute element; 203, fourth chute element; 204, first through groove element; 205, first limiting element; 206, seventh chute element; 207, eighth chute element; 208, third through groove element; 300, second guiding unit; 301, second guiding element; 302, fifth chute element; 303, sixth chute element; 304, second through groove element; 305, second limiting element; 306, ninth chute element; 307, tenth chute element; 308, fourth through groove element; 400, first moving unit; 401, first moving element; 402, third limiting element; 403, fourth limiting element; 404, first slider element; 405, first cavity element; 406, eleventh chute element; 500, second moving unit; 501, second moving element; 502, fifth limiting element; 503, sixth limiting element; 504, second slider element; 505, second cavity element; 506, twelfth chute element; 600, first skinning unit; 601, first skinning element; 700, second skinning unit; 701, second skinning element; 800, first control unit; 801, first control element; 802, first connecting element; 900, second control unit; 901, second control element; 902, second connecting element; 1000, first adjusting unit; 1001, third moving element; 1002, thirteenth chute element; 1003, third slider element; 1004, first elastic element; 1005, seventh limiting element; 1100, second adjusting unit; 1101, fourth moving element; 1102, fourteenth chute element; 1103, fourth slider element; 1104, second elastic element; 1105, eighth limiting element. Detailed implementation manners

[0045] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts fall within the scope of protection of the present invention.

[0046] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0047] Next, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments, but it is not a limitation of the present invention.

[0048] Example 1

[0049] A schematic embodiment of the present utility model.

[0050] As Figure 1 、 Figure 2 a, Figure 2 b shown, a skin incision device for skin biopsy includes a sticking unit 100, a first guiding unit 200, a second guiding unit 300, a first moving unit 400, a second moving unit 500, a first skin incision unit 600 and a second skin incision unit 700. Among them, the sticking unit 100 is arranged on the skin of the affected area for sticking the skin incision device to the skin of the affected area; the first guiding unit 200 is arranged at the top of the sticking unit 100 and is connected to the sticking unit 100; the second guiding unit 300 is arranged at the top of the sticking unit 100 and is connected to the sticking unit 100 for cooperating with the first guiding unit 200 to form a spindle shape; the first moving unit 400 is movably connected to the first guiding unit 200 for reciprocating along the length direction of the first guiding unit 200; the second moving unit 500 is movably connected to the second guiding unit 300 for reciprocating along the length direction of the second guiding unit 300; the first skin incision unit 600 is arranged on the first moving unit 400 for reciprocating at least along the length direction of the first guiding unit 200 under the action of the first moving unit 400 to incise the skin of the affected area; the second skin incision unit 700 is arranged on the second moving unit 500 for reciprocating at least along the length direction of the second guiding unit 300 under the action of the second moving unit 500 to incise the skin of the affected area.

[0051] In the present utility model, the first guiding unit 200 and the second guiding unit 300 have the same structure; the first moving unit 400 and the second moving unit 500 have the same structure; the first skin incision unit 600 and the second skin incision unit 700 have the same structure.

[0052] As Figure 3As shown, the pasting unit 100 includes a pasting element 101, a first chute element 102, a second chute element 103, and a separating element 104. Among them, the pasting element 101 is disposed on the skin of the affected area. At the top of the pasting element 101, a first guiding unit 200 and a second guiding unit 300 are respectively provided for pasting the first guiding unit 200 and the second guiding unit 300 to the skin of the affected area. The first chute element 102 penetrates through the pasting element 101. Above the first chute element 102, a first guiding unit 200 is provided for the first skin scraping unit 600 to pass through. The second chute element 103 penetrates through the pasting element 101. Above the second chute element 103, a second guiding unit 300 is provided for cooperating with the first chute element 102 to form a spindle shape and for the second skin scraping unit 700 to pass through. The separating element 104 is removably disposed at the bottom of the pasting element 101.

[0053] The cross-section of the pasting element 101 is rectangular, circular, oval, etc.

[0054] In some embodiments, the pasting element 101 is made of polyethylene (PE).

[0055] In some embodiments, the pasting element 101 is a pasting plate.

[0056] The cross-section of the first chute element 102 is arc-shaped.

[0057] The size of the first chute element 102 matches the size of the pasting element 101. Generally, the radial dimension (such as length) of the first chute element 102 is smaller than the radial dimension (such as length, width, diameter) of the pasting element 101, and the axial dimension (such as depth) of the first chute element 102 is equal to the axial dimension (such as height) of the pasting element 101.

[0058] In some embodiments, the first chute element 102 is a first chute.

[0059] The cross-section of the second chute element 103 is arc-shaped.

[0060] The size of the second chute element 103 matches the size of the pasting element 101. Generally, the radial dimension (such as length) of the second chute element 103 is smaller than the radial dimension (such as length, width, diameter) of the pasting element 101, and the axial dimension (such as depth) of the second chute element 103 is equal to the axial dimension (such as height) of the pasting element 101.

[0061] The size of the second chute element 103 matches the size of the first chute element 102. Generally, the radial dimension (such as length) of the second chute element 103 is equal to the radial dimension (such as length) of the first chute element 102, and the axial dimension (such as depth) of the second chute element 103 is equal to the axial dimension (such as depth) of the first chute element 102.

[0062] In some of these embodiments, the second chute element 103 is a second chute.

[0063] The cross-section of the isolation element 104 is rectangular, circular, oval, etc.

[0064] The size of the isolation element 104 matches the size of the adhesive element 101. Generally, the radial dimensions (such as length, width, diameter) of the isolation element 104 are equal to the radial dimensions (such as length, width, diameter) of the adhesive element 101, and the axial dimension of the isolation element 104 is less than the axial dimension of the adhesive element 101.

[0065] In some of these embodiments, the isolation element 104 is a release paper.

[0066] As Figure 4 shown in a, the first guiding unit 200 includes a first guiding element 201, a third chute element 202, a fourth chute element 203, a first through-channel element 204, and at least one first limiting element 205. Among them, the first guiding element 201 is arranged on the top of the pasting unit 100 and is used to cooperate with the second guiding unit 300 to form a shuttle shape; the third chute element 202 is arranged on the top of the first guiding element 201 and is movably connected to the first moving unit 400, and is used to allow the first moving unit 400 to reciprocate along the height direction and the length direction of the first guiding element 201; the fourth chute element 203 is arranged at the bottom of the first guiding element 201 and is communicated with the third chute element 202 and is slidably connected to the first leather-cutting unit 600, and is used to allow the first leather-cutting unit 600 to reciprocate along the height direction and the length direction of the first guiding element 201; the first through-channel element 204 is arranged through the middle of the first guiding element 201 and is communicated with the third chute element 202 and is movably connected to the first moving unit 400, and is used to allow the first moving unit 400 to reciprocate along the length direction of the first guiding element 201; the first limiting element 205 is arranged inside the first guiding element 201 and is located at the side of the third chute element 202 and is in limiting and sliding connection with the first moving unit 400, and is used to limit the position of the first moving unit 400 and allow the first moving unit 400 to reciprocate along the length direction of the first guiding element 201.

[0067] Specifically, the first guiding element 201 is arranged on the top of the adhesive element 101 and is connected to the adhesive element 101.

[0068] The cross-section of the first guiding element 201 is arc-shaped and the longitudinal section is rectangular.

[0069] The dimensions of the first guiding element 201 match the dimensions of the pasting element 101. Generally, the thickness of the first guiding element 201 (the distance between the outer edge surface and the inner edge surface of the first guiding element 201) is less than the radial dimension (such as length, width, diameter) of the pasting element 101, and the axial dimension (such as height) of the first guiding element 201 is greater than the axial dimension (such as height) of the pasting element 101.

[0070] The dimensions of the first guiding element 201 match the dimensions of the first sliding groove element 102. Generally, the radial dimension of the inner edge surface of the first guiding element 201 is less than the radial dimension of the first sliding groove element 102, and the radial dimension of the outer edge surface of the first guiding element 201 is greater than the radial dimension of the first sliding groove element 102.

[0071] In some of these embodiments, the first guiding element 201 is fixedly connected to the pasting element 101, including but not limited to bonding.

[0072] In some of these embodiments, the first guiding element 201 is made of plastic material.

[0073] In some of these embodiments, the first guiding element 201 is a first guiding plate.

[0074] The cross-section of the third sliding groove element 202 is arc-shaped and the longitudinal section is rectangular.

[0075] The dimensions of the third sliding groove element 202 match the dimensions of the first guiding element 201. Generally, the radial dimension (such as length) of the third sliding groove element 202 is equal to the radial dimension (such as length) of the first guiding element 201, the thickness of the third sliding groove element 202 (the distance between the outer edge surface and the inner edge surface of the third sliding groove element 202) is less than the thickness of the first guiding element 201 (the distance between the outer edge surface and the inner edge surface of the first guiding element 201), and the axial dimension (such as depth) of the third sliding groove element 202 is less than the axial dimension (such as height) of the first guiding element 201.

[0076] In some of these embodiments, the third sliding groove element 202 is a third sliding groove.

[0077] The cross-section of the fourth sliding groove element 203 is arc-shaped and the longitudinal section is rectangular.

[0078] The dimensions of the fourth chute element 203 match those of the third chute element 202. Generally, the radial dimension (such as length) of the fourth chute element 203 is smaller than that of the third chute element 202, the thickness of the fourth chute element 203 (the distance between the outer surface and the inner surface of the fourth chute element 203) is smaller than that of the third chute element 202, and the axial dimension (such as depth) of the fourth chute element 203 is smaller than that of the third chute element 202.

[0079] In some of these embodiments, the fourth chute element 203 is a fourth chute.

[0080] The cross-section of the first through slot element 204 is arc-shaped and the longitudinal section is rectangular.

[0081] The dimensions of the first through slot element 204 match those of the first guiding element 201. Generally, the radial dimension (such as length) of the first through slot element 204 is smaller than that of the first guiding element 201, the thickness of the first through slot element 204 (the distance between the outer surface and the inner surface of the first through slot element 204) is equal to that of the first guiding element 201, and the axial dimension (such as depth) of the first through slot element 204 is smaller than that of the first guiding element 201.

[0082] The dimensions of the first through slot element 204 match those of the third chute element 202. Generally, the radial dimension (such as length) of the first through slot element 204 is smaller than that of the third chute element 202, the thickness of the first through slot element 204 (the distance between the outer surface and the inner surface of the first through slot element 204) is larger than that of the third chute element 202, and the axial dimension (such as depth) of the first through slot element 204 is smaller than that of the third chute element 202.

[0083] The dimensions of the first through slot element 204 match those of the fourth chute element 203. Generally, the radial dimension (such as length) of the first through slot element 204 is equal to that of the fourth chute element 203.

[0084] In some of these embodiments, the first through slot element 204 is a first through slot.

[0085] The cross-section of the first limiting element 205 is arc-shaped and the longitudinal section is arc-shaped.

[0086] The size of the first limiting element 205 matches the size of the first guiding element 201. Generally, the radial dimension (such as length) of the first limiting element 205 is equal to the radial dimension (such as length) of the first guiding element 201, the radial dimension (such as width) of the first limiting element 205 is less than the thickness of the first guiding element 201 (the distance between the outer edge surface and the inner edge surface of the first guiding element 201), and the axial dimension (such as height, depth) of the first limiting element 205 is less than the axial dimension (such as height) of the first guiding element 201.

[0087] In some of these embodiments, there are several first limiting elements 205. The several first limiting elements 205 are symmetrically arranged on both sides inside the third chute element 202.

[0088] In some of these embodiments, a first limiting element 205 is arranged on one side inside the third chute element 202, and a first limiting element 205 is arranged on the other side inside the third chute element 202.

[0089] In some of these embodiments, the first limiting element 205 is a first limiting groove.

[0090] As Figure 4 As shown in b, the second guiding unit 300 includes a second guiding element 301, a fifth chute element 302, a sixth chute element 303, a second through groove element 304, and at least one second limiting element 305. Among them, the second guiding element 301 is arranged on the top of the pasting unit 100 and is used to cooperate with the first guiding unit 200 to form a shuttle shape; the fifth chute element 302 is arranged on the top of the second guiding element 301 and is movably connected to the second moving unit 500, and is used for the second moving unit 500 to reciprocate along the height direction and the length direction of the second guiding element 301; the sixth chute element 303 is arranged at the bottom of the second guiding element 301, communicates with the fifth chute element 302, and is slidably connected to the second peeling unit 700, and is used for the second peeling unit 700 to reciprocate along the height direction and the length direction of the second guiding element 301; the second through groove element 304 is arranged through the middle of the second guiding element 301, communicates with the fifth chute element 302, and is movably connected to the second moving unit 500, and is used for the second moving unit 500 to reciprocate along the length direction of the second guiding element 301; the second limiting element 305 is arranged inside the second guiding element 301, is located on the side of the fifth chute element 302, and is in limiting and sliding connection with the second moving unit 500, and is used to limit the position of the second moving unit 500 and for the second moving unit 500 to reciprocate along the length direction of the second guiding element 301.

[0091] Specifically, the second guiding element 301 is disposed on the top of the pasting element 101 and connected to the pasting element 101, and is used to cooperate with the first guiding element 201 to form a spindle shape.

[0092] The structure, connection relationship, and dimensions of the second guiding element 301 are the same as those of the first guiding element 201, and will not be described herein again.

[0093] In some embodiments, the second guiding element 301 is a second guiding plate.

[0094] The structure, connection relationship, and dimensions of the fifth chute element 302 are the same as those of the third chute element 202, and will not be described herein again.

[0095] In some embodiments, the fifth chute element 302 is a fifth chute.

[0096] The structure, connection relationship, and dimensions of the sixth chute element 303 are the same as those of the fourth chute element 203, and will not be described herein again.

[0097] In some embodiments, the sixth chute element 303 is a sixth chute.

[0098] The structure, connection relationship, and dimensions of the second through slot element 304 are the same as those of the first through slot element 204, and will not be described herein again.

[0099] In some embodiments, the second through slot element 304 is a second through slot.

[0100] The structure, connection relationship, and dimensions of the second limiting element 305 are the same as those of the first limiting element 205, and will not be described herein again.

[0101] In some embodiments, the second limiting element 305 is a second limiting slot.

[0102] As Figure 5 shown in a, the first moving unit 400 includes a first moving element 401 and a third limiting element 402. Among them, the first moving element 401 is movably connected to the first guiding unit 200, and a first leather scraping unit 600 is disposed at the bottom of the first moving element 401, and is used to drive the first leather scraping unit 600 to reciprocate in the height direction and the length direction of the first guiding unit 200; the third limiting element 402 is disposed at the bottom of the first moving element 401 and is in a limiting connection with the first guiding unit 200, and is used to limit the position of the first moving element 401 in the initial state to prevent the first leather scraping unit 600 from protruding from the bottom of the first guiding unit 200.

[0103] Specifically, the first movable element 401 is movably connected to the third chute element 202; the third limiting element 402 is slidably connected to the first limiting element 205 with limited movement.

[0104] The first movable element 401 has an arc-shaped structure on its side. The arc shape is used to fit the third chute element 202.

[0105] The dimensions of the first movable element 401 match those of the third chute element 202. Generally, the length of the first movable element 401 is less than the radial dimension (such as length) of the third chute element 202, the width of the first movable element 401 is equal to the thickness of the third chute element 202 (such as the distance between the outer surface and the inner surface of the third chute element 202), and the height of the first movable element 401 is greater than the axial dimension (such as height) of the third chute element 202.

[0106] In some embodiments, the first movable element 401 is made of plastic material.

[0107] In some embodiments, the first movable element 401 is a first movable block.

[0108] The cross-section of the third limiting element 402 is arc-shaped.

[0109] The dimensions of the third limiting element 402 match those of the first movable element 401. Generally, the radial dimension (such as length) of the third limiting element 402 is equal to the length of the first movable element 401, the radial dimension (such as width) of the third limiting element 402 is less than the width of the first movable element 401, and the axial dimension (such as height) of the third limiting element 402 is less than the height of the first movable element 401.

[0110] The dimensions of the third limiting element 402 match those of the first limiting element 205. Generally, the radial dimension (such as length) of the third limiting element 402 is less than the radial dimension (such as length) of the first limiting element 205, the radial dimension (such as width) of the third limiting element 402 is equal to the radial dimension (such as width) of the first limiting element 205, and the axial dimension (such as height) of the third limiting element 402 is equal to the axial dimension (such as height, depth) of the first limiting element 205.

[0111] The dimensions of the third limiting element 402 match those of the first through-channel element 204. Generally, the radial dimension (such as length) of the third limiting element 402 is less than the radial dimension (such as length) of the first through-channel element 204, and the axial dimension (such as height) of the third limiting element 402 is not greater than the axial dimension (such as depth) of the first through-channel element 204.

[0112] The number of the third limiting elements 402 matches the number of the first limiting elements 205. Generally, the number of the third limiting elements 402 is equal to the number of the first limiting elements 205.

[0113] In some of these embodiments, there are several third limiting elements 402. The several third limiting elements 402 are symmetrically arranged on both sides of the first movable element 401.

[0114] In some of these embodiments, a third limiting element 402 is arranged on one side of the first movable element 401, and a third limiting element 402 is arranged on the other side of the first movable element 401.

[0115] In some of these embodiments, the third limiting element 402 is fixedly connected to the first movable element 401, including but not limited to hot melt connection.

[0116] In some of these embodiments, the third limiting element 402 is made of silica gel material.

[0117] In some of these embodiments, the third limiting element 402 is a first limiting block.

[0118] Further, the first movable unit 400 further includes a fourth limiting element 403. Wherein, the fourth limiting element 403 is arranged on the top of the first movable element 401 and is in limiting connection with the first guiding unit 200, and is used to limit the position of the first movable element 401 in the working state so that the first skinning unit 600 protrudes from the bottom of the first guiding unit 200 by a preset distance.

[0119] Specifically, the fourth limiting element 403 is in limiting sliding connection with the first limiting element 205.

[0120] The cross section of the fourth limiting element 403 is arc-shaped.

[0121] The size of the fourth limiting element 403 matches the size of the first movable element 401. Generally, the radial dimension (such as length) of the fourth limiting element 403 is equal to the length of the first movable element 401, the radial dimension (such as width) of the fourth limiting element 403 is less than the width of the first movable element 401, and the axial dimension (such as height) of the fourth limiting element 403 is less than the height of the first movable element 401.

[0122] The dimensions of the fourth limiting element 403 match those of the first limiting element 205. Generally, the radial dimension (such as length) of the fourth limiting element 403 is smaller than that of the first limiting element 205, the radial dimension (such as width) of the fourth limiting element 403 is equal to that of the first limiting element 205, and the axial dimension (such as height) of the fourth limiting element 403 is equal to that of the first limiting element 205 (such as height, depth).

[0123] The dimensions of the fourth limiting element 403 match those of the third limiting element 402. Generally, the radial dimension (such as length) of the fourth limiting element 403 is equal to the length of the third limiting element 402, the radial dimension (such as width) of the fourth limiting element 403 is equal to that of the third limiting element 402, and the axial dimension (such as height) of the fourth limiting element 403 is equal to that of the third limiting element 402.

[0124] The number of the fourth limiting elements 403 matches that of the third limiting elements 402. Generally, the number of the fourth limiting elements 403 is equal to that of the third limiting elements 402.

[0125] In some of the embodiments, there are several fourth limiting elements 403. The several fourth limiting elements 403 are symmetrically arranged on both sides of the first movable element 401.

[0126] In some of the embodiments, a fourth limiting element 403 is arranged on one side of the first movable element 401, and a fourth limiting element 403 is arranged on the other side of the first movable element 401.

[0127] In some of the embodiments, the fourth limiting element 403 is fixedly connected to the first movable element 401, including but not limited to heat fusion connection.

[0128] In some of the embodiments, the fourth limiting element 403 is made of silica gel material.

[0129] In some of the embodiments, the fourth limiting element 403 is a second limiting block.

[0130] Such as Figure 5As shown in Fig. b, the second moving unit 500 includes a second moving element 501 and a fifth limiting element 502. Among them, the second moving element 501 is movably connected to the second guiding unit 300. A second skinning unit 700 is provided at the bottom of the second moving element 501, which is used to drive the second skinning unit 700 to reciprocate along the height direction and the length direction of the second guiding unit 300; the fifth limiting element 502 is provided at the bottom of the second moving element 501 and is limit-connected to the second guiding unit 300, which is used to limit the position of the second moving element 501 in the initial state to prevent the second skinning unit 700 from protruding from the bottom of the second guiding unit 300.

[0131] Specifically, the second moving element 501 is movably connected to the fifth chute element 302; the fifth limiting element 502 is limit-slidably connected to the second limiting element 305.

[0132] The structure, connection relationship, and dimensions of the second moving element 501 are the same as those of the first moving element 401, and will not be elaborated here.

[0133] In some embodiments, the second moving element 501 is a second moving block.

[0134] The structure, connection relationship, and dimensions of the fifth limiting element 502 are the same as those of the third limiting element 402, and will not be elaborated here.

[0135] In some embodiments, the fifth limiting element 502 is a third limiting block.

[0136] Furthermore, the second moving unit 500 further includes a sixth limiting element 503. Among them, the sixth limiting element 503 is provided at the top of the second moving element 501 and is limit-connected to the second guiding unit 300, which is used to limit the position of the second moving element 501 in the working state to make the second skinning unit 700 protrude from the bottom of the second guiding unit 300 by a preset distance.

[0137] Specifically, the sixth limiting element 503 is limit-slidably connected to the second limiting element 305.

[0138] The structure, connection relationship, and dimensions of the sixth limiting element 503 are the same as those of the fourth limiting element 403, and will not be elaborated here.

[0139] In some embodiments, the sixth limiting element 503 is a fourth limiting block.

[0140] As Figure 6As shown in a, the first skin-scraping unit 600 includes a first skin-scraping element 601. Among them, the first skin-scraping element 601 is disposed on the first moving unit 400 and is used to reciprocate along the height direction and the length direction of the first guiding unit 200 under the action of the first moving unit 400 to scrape the skin of the affected area.

[0141] Specifically, the first skin-scraping element 601 is disposed at the bottom end of the first moving element 401, is connected to the first moving element 401, and is slidably connected to the fourth chute element 203.

[0142] The cross section of the first skin-scraping element 601 is in the shape of a right triangle. Specifically, the short right-angled side of the first skin-scraping element 601 is connected to the bottom end of the first moving element 401.

[0143] The size of the first skin-scraping element 601 matches the size of the first moving element 401. Generally, the length of the short right-angled side of the first skin-scraping element 601 is less than the length of the first moving element 401, the thickness (such as the width) of the first skin-scraping element 601 is less than the width of the first moving element 401, and the length of the long right-angled side of the first skin-scraping element 601 is less than the height of the first moving element 401.

[0144] The size of the first skin-scraping element 601 matches the size of the fourth chute element 203. Generally, the thickness (such as the width) of the first skin-scraping element 601 is not greater than the thickness of the fourth chute element 203 (such as the distance between the outer edge surface and the inner edge surface of the fourth chute element 203), and the length of the long right-angled side of the first skin-scraping element 601 is greater than the axial dimension (such as the height) of the fourth chute element 203.

[0145] In some embodiments, the first skin-scraping element 601 is fixedly connected to the first moving element 401, including but not limited to bolt connection.

[0146] In some embodiments, the first skin-scraping element 601 is made of a metal material.

[0147] In some embodiments, the first skin-scraping element 601 is a first skin-scraping knife.

[0148] As Figure 6 As shown in b, the second skin-scraping unit 700 includes a second skin-scraping element 701. Among them, the second skin-scraping element 701 is disposed on the second moving unit 500 and is used to reciprocate along the height direction and the length direction of the second guiding unit 300 under the action of the second moving unit 500 to scrape the skin of the affected area.

[0149] Specifically, the second skin-scraping element 701 is disposed at the bottom end of the second moving element 501, is connected to the second moving element 501, and is slidably connected to the sixth chute element 303.

[0150] The structure, connection relationship, and dimensions of the second peeling element 701 are the same as those of the first peeling element 601, and will not be elaborated here.

[0151] In some of these embodiments, the second peeling element 701 is a second peeling knife.

[0152] Furthermore, the peeling device further includes a first control unit and a second control unit. Among them, the first control unit is disposed on the top of the first moving unit 400 and is used to drive the first peeling unit 600 to reciprocate in the height direction and the length direction of the first guiding unit 200; the second control unit is disposed on the top of the second moving unit 500 and is used to drive the second peeling unit 700 to reciprocate in the height direction and the length direction of the first guiding unit 200.

[0153] The first control unit includes a first control element. Among them, the first control element is disposed on the top of the first moving unit 400 and is used to drive the first peeling unit 600 to reciprocate in the height direction and the length direction of the first guiding unit 200.

[0154] Specifically, the first control element is disposed on the top of the first moving element 401.

[0155] The cross-section of the first control element is rectangular.

[0156] The dimensions of the first control element match those of the first moving element 401. Generally, the length of the first control element is equal to the length of the first moving element 401, the width of the first control element is equal to the width of the first moving element 401, and the height of the first control element is less than the height of the first moving element 401.

[0157] The dimensions of the first control element match those of the third chute element 202. Generally, the length of the first control element is less than the length of the third chute element 202, the width of the first control element is equal to the width of the third chute element 202, and the height of the first control element is less than the height of the third chute element 202.

[0158] In some of these embodiments, the first control element is fixedly connected to the first moving element 401, including but not limited to being integrally formed.

[0159] In some of these embodiments, the first control element is made of plastic material.

[0160] In some of these embodiments, the first control element is a first control wrench.

[0161] The second control unit includes a second control element. Specifically, the second control element is disposed on the top of the second movable unit 500 and is used to drive the second skin scraping unit 700 to reciprocate in the height direction and the length direction of the second guiding unit 300.

[0162] Specifically, the second control element is disposed on the top of the second movable element 501.

[0163] The structure, connection relationship, and dimensions of the second control element are the same as those of the first control element, and will not be described herein again.

[0164] In some of the embodiments, the second control element is a second control wrench.

[0165] The usage method of the present utility model is as follows:

[0166] (1) Pasting the skin scraping device

[0167] Disinfect the skin of the specified affected area;

[0168] Tear off the isolation element 104 provided at the bottom of the pasting element 101 to expose the pasting surface at the bottom of the pasting element 101.

[0169] Tighten the skin of the affected area and attach the skin scraping device to the skin of the affected area through the pasting element 101.

[0170] (2) Operation of the first skin scraping element 601

[0171] Press down the first movable element 401 through the first control element 801 to move it downward along the height direction of the first guiding element 201;

[0172] Drive the third limiting element 402 to disengage from the first limiting element 205 through the first movable element 401 until the third limiting element 402 is moved into the first through slot element 204;

[0173] During the process, the fourth limiting element 403 is snapped into the first limiting element 205, thereby driving the first skin scraping element 601 to contact the skin of the affected area;

[0174] Push the first movable element 401 to drive the first skin scraping element 601 to move along the length direction of the third sliding slot element 202, thereby cutting the skin of the affected area.

[0175] (3) Operation of the second skin scraping element 701

[0176] It is basically the same as the working method in (2), and will not be described herein again.

[0177] (4) Taking out operation

[0178] Lift the first movable element 401 through the first control element so that it moves upward along the height direction of the first guiding element 201;

[0179] Drive the fourth limiting element 403 away from the first limiting element 205 through the first movable element 401, so that the third limiting element 402 is moved out of the first through-slot element 204 and snapped onto the first limiting element 205, thereby driving the first skin-scraping element 601 away from the affected skin;

[0180] Among them, the working method of the second skin-scraping element 701 moving away from the affected skin is basically the same as that of the first skin-scraping element 601 moving away from the affected skin, and will not be elaborated here.

[0181] Tear off the adhesive element 101 to take out the skin-scraping device;

[0182] Expose the skin, and medical staff perform the next tissue separation operation.

[0183] The advantages of the present utility model are that the skin-scraping device can be pasted on the affected skin by using the pasting unit, which is convenient for subsequent skin-scraping operations; the cooperation between the first guiding unit and the second guiding unit can limit the skin-scraping line to improve the neatness of the incision.

[0184] Embodiment 2

[0185] A schematic embodiment of the present utility model. The difference between this embodiment and Embodiment 1 is that the structures of the first guiding unit 200, the second guiding unit 300, the first movable unit 400, and the second movable unit 500 are different.

[0186] Such as Figure 1 、 Figure 2 a、 Figure 2As shown in Fig. b, a skin scraping device for skin biopsy includes a pasting unit 100, a first guiding unit 200, a second guiding unit 300, a first moving unit 400, a second moving unit 500, a first skin scraping unit 600 and a second skin scraping unit 700. Among them, the pasting unit 100 is arranged on the skin of the affected area for pasting the skin scraping device to the skin of the affected area; the first guiding unit 200 is arranged at the top of the pasting unit 100 and is connected to the pasting unit 100; the second guiding unit 300 is arranged at the top of the pasting unit 100 and is connected to the pasting unit 100 for cooperating with the first guiding unit 200 to form a spindle shape; the first moving unit 400 is movably connected to the first guiding unit 200 for reciprocating along the length direction of the first guiding unit 200; the second moving unit 500 is movably connected to the second guiding unit 300 for reciprocating along the length direction of the second guiding unit 300; the first skin scraping unit 600 is arranged on the first moving unit 400 for reciprocating at least along the length direction of the first guiding unit 200 under the action of the first moving unit 400 to scrape open the skin of the affected area; the second skin scraping unit 700 is arranged on the second moving unit 500 for reciprocating at least along the length direction of the second guiding unit 300 under the action of the second moving unit 500 to scrape open the skin of the affected area.

[0187] The structures of the pasting unit 100, the first skin scraping unit 600 and the second skin scraping unit 700 are basically the same as those in Embodiment 1 and will not be described in detail here.

[0188] As Figure 7 As shown in Fig. a, the first guiding unit 200 includes a first guiding element 201, a seventh chute element 206 and an eighth chute element 207. Among them, the first guiding element 201 is arranged at the top of the pasting unit 100 and is connected to the pasting unit 100 for cooperating with the second guiding unit 300 to form a spindle shape; the seventh chute element 206 is arranged at the top of the first guiding element 201 and is slidably connected to the first moving unit 400; the eighth chute element 207 is arranged outside the first guiding element 201 and is communicated with the seventh chute element 206 and is slidably connected to the first moving unit 400 for allowing the first moving unit 400 to pass through the first guiding element 201.

[0189] Specifically, the first guiding element 201 is arranged on the top of the pasting element 101 and is connected to the pasting element 101.

[0190] The cross-section of the first guiding element 201 is arc-shaped and the longitudinal section is rectangular.

[0191] The dimensions of the first guiding element 201 match the dimensions of the pasting element 101. Generally, the thickness of the first guiding element 201 (the distance between the outer edge surface and the inner edge surface of the first guiding element 201) is less than the radial dimension (such as length, width, diameter) of the pasting element 101, and the axial dimension (such as height) of the first guiding element 201 is greater than the axial dimension (such as height) of the pasting element 101.

[0192] The dimensions of the first guiding element 201 match the dimensions of the first chute element 102. Generally, the radial dimension of the inner edge surface of the first guiding element 201 is less than the radial dimension of the first chute element 102, and the radial dimension of the outer edge surface of the first guiding element 201 is greater than the radial dimension of the first chute element 102.

[0193] In some of these embodiments, the first guiding element 201 is fixedly connected to the pasting element 101, including but not limited to bonding.

[0194] In some of these embodiments, the first guiding element 201 is made of plastic material.

[0195] In some of these embodiments, the first guiding element 201 is a first guiding plate.

[0196] The cross-section of the seventh chute element 206 is arc-shaped and the longitudinal section is rectangular.

[0197] The dimensions of the seventh chute element 206 match the dimensions of the first guiding element 201. Generally, the radial dimension (such as length) of the seventh chute element 206 is equal to the radial dimension (such as length) of the first guiding element 201, the thickness of the seventh chute element 206 (the distance between the outer edge surface and the inner edge surface of the seventh chute element 206) is less than the thickness of the first guiding element 201 (the distance between the outer edge surface and the inner edge surface of the first guiding element 201), and the axial dimension (such as height) of the seventh chute element 206 is less than the axial dimension (such as height) of the first guiding element 201.

[0198] In some of these embodiments, the seventh chute element 206 is a seventh chute.

[0199] The cross-section of the eighth chute element 207 is arc-shaped and the longitudinal section is rectangular.

[0200] The size of the eighth chute element 207 matches the size of the first guiding element 201. Generally, the radial dimension (such as length) of the eighth chute element 207 is smaller than the radial dimension (such as length) of the first guiding element 201, the thickness of the eighth chute element 207 (the distance between the outer surface and the inner surface of the eighth chute element 207) is smaller than the thickness of the first guiding element 201 (the distance between the outer surface and the inner surface of the first guiding element 201), and the axial dimension (such as height) of the eighth chute element 207 is smaller than the axial dimension (such as height) of the first guiding element 201.

[0201] The size of the eighth chute element 207 matches the size of the seventh chute element 206. Generally, the radial dimension (such as length) of the eighth chute element 207 is smaller than the radial dimension (such as length) of the seventh chute element 206, the thickness of the eighth chute element 207 (the distance between the outer surface and the inner surface of the eighth chute element 207) is smaller than the thickness of the seventh chute element 206 (the distance between the outer surface and the inner surface of the seventh chute element 206), and the axial dimension (such as height) of the eighth chute element 207 is larger than the axial dimension (such as height) of the seventh chute element 206.

[0202] In some of these embodiments, the eighth chute element 207 is an eighth chute.

[0203] Furthermore, the first guiding unit 200 further includes a third through groove element 208. Wherein, the third through groove element 208 is disposed at the bottom end of the first guiding element 201 and communicates with the seventh chute element 206 for allowing the second peeling unit 700 to penetrate into the first guiding element 201.

[0204] The cross-section of the third through groove element 208 is arc-shaped and the longitudinal section is rectangular.

[0205] The size of the third through groove element 208 matches the size of the seventh chute element 206. Generally, the radial dimension (such as length) of the third through groove element 208 is equal to the thickness of the seventh chute element 206 (the distance between the outer surface and the inner surface of the seventh chute element 206), the radial dimension (such as width) of the third through groove element 208 is smaller than the radial dimension (such as length) of the seventh chute element 206, and the axial dimension (such as height) of the third through groove element 208 is smaller than the axial dimension (such as height) of the seventh chute element 206.

[0206] In some of these embodiments, the third through groove element 208 is a third through groove.

[0207] Such as Figure 7As shown in Figure b, the second guiding unit 300 includes a second guiding element 301, a ninth chute element 306, and a tenth chute element 307. Among them, the second guiding element 301 is disposed at the top of the pasting unit 100 and is connected to the pasting unit 100, and is used to cooperate with the first guiding unit 200 to form a spindle shape; the ninth chute element 306 is disposed at the top of the second guiding element 301 and is slidably connected to the second moving unit 500; the tenth chute element 307 is disposed outside the second guiding element 301, communicates with the ninth chute element 306, and is slidably connected to the second moving unit 500, and is used to allow the second moving unit 500 to pass through the second guiding element 301.

[0208] Specifically, the second guiding element 301 is disposed on the top of the pasting element 101 and is connected to the pasting element 101.

[0209] The structure, connection relationship, and dimensions of the second guiding element 301 are the same as those of the first guiding element 201, and will not be described in detail herein.

[0210] In some embodiments, the second guiding element 301 is a second guiding plate.

[0211] The structure, connection relationship, and dimensions of the ninth chute element 306 are the same as those of the seventh chute element 206, and will not be described in detail herein.

[0212] In some embodiments, the ninth chute element 306 is a ninth chute.

[0213] The structure, connection relationship, and dimensions of the tenth chute element 307 are the same as those of the eighth chute element 207, and will not be described in detail herein.

[0214] In some embodiments, the tenth chute element 307 is a tenth chute.

[0215] Furthermore, the second guiding unit 300 further includes a fourth through groove element 308. Among them, the fourth through groove element 308 is disposed at the bottom end of the second guiding element 301 and communicates with the ninth chute element 306, and is used to allow the first skinning unit 600 to penetrate into the first guiding element 201.

[0216] The structure, connection relationship, and dimensions of the fourth through groove element 308 are the same as those of the third through groove element 208, and will not be described in detail herein.

[0217] In some embodiments, the fourth through groove element 308 is a fourth through groove.

[0218] As Figure 8 a, Figure 8As shown in Fig. b, the first movable unit 400 includes a first movable element 401 and a first slider element 404. Among them, the first movable element 401 is slidably disposed inside the first guiding unit 200 and is used for reciprocating movement along the length direction of the first guiding unit 200; the first slider element 404 is disposed on the side of the first movable element 401 and is slidably connected to the first guiding unit 200.

[0219] Specifically, the first movable element 401 is slidably connected to the seventh chute element 206; the first slider element 404 is slidably connected to the eighth chute element 207.

[0220] The first movable element 401 has a circular arc-shaped structure on its side. The circular arc is used to fit the seventh chute element 206.

[0221] The dimensions of the first movable element 401 match the dimensions of the seventh chute element 206. Generally, the length of the first movable element 401 is less than the radial dimension (such as the length) of the seventh chute element 206, the width of the first movable element 401 is greater than the thickness of the seventh chute element 206 (such as the distance between the outer edge surface and the inner edge surface of the seventh chute element 206), and the height of the first movable element 401 is equal to the axial dimension (such as the height) of the seventh chute element 206.

[0222] In some embodiments, the first movable element 401 is made of plastic material.

[0223] In some embodiments, the first movable element 401 is a first movable block.

[0224] The cross-section of the first slider element 404 is convex. Specifically, the first slider element 404 includes a first slider and a second slider. Among them, the first end of the first slider is provided with the first movable element 401 and is slidably connected to the eighth chute element 207; the second slider is disposed at the second end of the first slider and is located outside the first guiding element 201.

[0225] The dimensions of the first slider match the dimensions of the first movable element 401. Generally, the length of the first slider is less than the length of the first movable element 401, the width of the first slider is less than the width of the first movable element 401, and the height of the first slider is less than the height of the first movable element 401.

[0226] The dimensions of the first slider match the dimensions of the eighth chute element 207. Generally, the length of the first slider is less than the radial dimension (such as the length) of the eighth chute element 207, the width of the first slider is equal to the thickness of the eighth chute element 207 (such as the distance between the outer edge surface and the inner edge surface of the eighth chute element 207), and the height of the first slider is equal to the axial dimension (such as the height) of the eighth chute element 207.

[0227] The size of the second slider matches the size of the first slider. Generally, the length of the second slider is equal to the length of the first slider, the width of the second slider is less than the width of the first slider, and the height of the second slider is greater than the height of the first slider.

[0228] The size of the second slider matches the size of the first guiding element 201. Generally, the length of the second slider is less than the radial dimension (such as length) of the first guiding element 201, the width of the second slider is less than the thickness of the first guiding element 201 (such as the distance between the outer edge surface and the inner edge surface of the first guiding element 201), and the height of the second slider is less than the axial dimension (such as height) of the first guiding element 201.

[0229] The size of the second slider matches the size of the eighth chute element 207. Generally, the height of the second slider is greater than the axial dimension (such as height) of the eighth chute element 207.

[0230] In some of these embodiments, the first slider element 404 is fixedly connected to the first movable element 401, including but not limited to being integrally formed.

[0231] In some of these embodiments, the first slider element 404 is made of plastic material.

[0232] Furthermore, the first movable unit 400 further includes a first cavity element 405 and an eleventh chute element 406. Among them, the first cavity element 405 is disposed at the top of the first movable unit 400, and the first peeling unit 600 and the first adjusting unit 1000 are respectively disposed inside the first cavity element 405; the eleventh chute element 406 is disposed at the bottom of the first movable unit 400, communicates with the first cavity element 405, and is slidably connected to the first peeling unit 600.

[0233] The cross-section of the first cavity element 405 is rectangular.

[0234] The size of the first cavity element 405 matches the size of the first movable element 401. Generally, the length of the first cavity element 405 is less than the length of the first movable element 401, the width of the first cavity element 405 is less than the width of the first movable element 401, and the height of the first cavity element 405 is less than the height of the first movable element 401.

[0235] In some of these embodiments, the first cavity element 405 is the first cavity.

[0236] The cross-section of the eleventh chute element 406 is rectangular.

[0237] The dimensions of the eleventh chute element 406 match those of the first cavity element 405. Generally, the length of the eleventh chute element 406 is less than that of the first cavity element 405, the width of the eleventh chute element 406 is less than that of the first cavity element 405, and the height of the eleventh chute element 406 is less than that of the first cavity element 405.

[0238] In some of these embodiments, the eleventh chute element 406 is the eleventh chute.

[0239] As Figure 9 a, Figure 9 b shown, the second moving unit 500 includes a second moving element 501 and a second slider element 504. Among them, the second moving element 501 is slidably disposed inside the second guiding unit 300 for reciprocating movement along the length direction of the second guiding unit 300; the second slider element 504 is disposed on the side of the second moving element 501 and is slidably connected to the second guiding unit 300.

[0240] Specifically, the second moving element 501 is slidably connected to the ninth chute element 306; the second slider element 504 is slidably connected to the tenth chute element 307.

[0241] The structure, connection relationship, and dimensions of the second moving element 501 are the same as those of the first moving element 401, and will not be elaborated here.

[0242] In some of these embodiments, the second moving element 501 is the second moving block.

[0243] The structure, connection relationship, and dimensions of the second slider element 504 are the same as those of the first slider element 404, and will not be elaborated here.

[0244] Furthermore, the second moving unit 500 further includes a second cavity element 505 and a twelfth chute element 506. Among them, the second cavity element 505 is disposed at the top of the second moving unit 500, and the second skinning unit 700 and the second adjusting unit 1100 are respectively disposed inside the second cavity element 505; the twelfth chute element 506 is disposed at the bottom of the second moving unit 500, is communicated with the second cavity element 505, and is slidably connected to the second skinning unit 700.

[0245] The structure, connection relationship, and dimensions of the second cavity element 505 are the same as those of the first cavity element 405, and will not be elaborated here.

[0246] In some of these embodiments, the second cavity element 505 is the second cavity.

[0247] The structure, connection relationship, and dimensions of the twelfth chute element 506 are the same as those of the eleventh chute element 406, and will not be elaborated here.

[0248] In some of these embodiments, the twelfth chute element 506 is the twelfth chute.

[0249] Such as Figure 10 a, Figure 10 b shows, the peeling device further includes a first control unit 800 and a second control unit 900. Among them, the first control unit 800 is disposed on the top of the first moving unit 400 and is used to drive the first peeling unit 600 to reciprocate along the height direction and the length direction of the first guiding unit 200; the second control unit 900 is disposed on the top of the second moving unit 500 and is used to drive the second peeling unit 700 to reciprocate along the height direction and the length direction of the first guiding unit 200.

[0250] Such as Figure 11 a shows, the first control unit 800 includes a first control element 801. Among them, the first control element 801 is disposed on the top of the first moving unit 400 and is used to drive the first peeling unit 600 to reciprocate along the height direction and the length direction of the first guiding unit 200.

[0251] Specifically, the first control element 801 is movably disposed inside the first cavity element 405.

[0252] The cross-section of the first control element 801 is rectangular.

[0253] The dimensions of the first control element 801 match the dimensions of the first cavity element 405. Generally, the length of the first control element 801 is equal to the length of the first cavity element 405, the width of the first control element 801 is equal to the width of the first cavity element 405, and the height of the first control element 801 is less than the height of the first cavity element 405.

[0254] In some of these embodiments, the first control element 801 is made of stainless steel.

[0255] In some of these embodiments, the first control element 801 is the first control board.

[0256] Such as Figure 11 b shows, the second control unit 900 includes a second control element 901. Among them, the second control element 901 is disposed on the top of the second moving unit 500 and is used to drive the second peeling unit 700 to reciprocate along the height direction and the length direction of the second guiding unit 300.

[0257] Specifically, the second control element 901 is movably disposed inside the second cavity element 505.

[0258] The structure, connection relationship, and dimensions of the second control element 901 are the same as those of the first control element 801, and will not be elaborated here.

[0259] In some of these embodiments, the second control element 901 is a second control board.

[0260] Such as Figure 10 a, Figure 10 b shown, the peeling device further includes a first adjustment unit 1000 and a second adjustment unit 1100. Among them, the first adjustment unit 1000 is disposed inside the first moving unit 400 and is respectively connected to the first peeling unit 600 and the first control unit 800, and is used to drive the first peeling unit 600 to reciprocate along the height direction of the first moving unit 400 under the action of the first control unit 800; the second adjustment unit 1100 is disposed inside the second moving unit 500 and is respectively connected to the second peeling unit 700 and the second control unit 900, and is used to drive the second peeling unit 700 to reciprocate along the height direction of the second moving unit 500 under the action of the second control unit 900.

[0261] Furthermore, the first control unit 800 further includes a first connecting element 802. Among them, the first connecting element 802 is disposed at the bottom of the first control unit 800 and is connected to the top of the first adjustment unit 1000, and is used to drive the first adjustment unit 1000 to reciprocate along the height direction of the first guiding unit 200.

[0262] Specifically, the first connecting element 802 is disposed at the bottom end of the first control element 801 and is connected to the first control element 801.

[0263] The cross-section of the first connecting element 802 is rectangular.

[0264] The dimensions of the first connecting element 802 match those of the first control element 801. Generally, the length of the first connecting element 802 is less than the length of the first control element 801, the width of the first connecting element 802 is equal to the width of the first control element 801, and the height of the first connecting element 802 is less than the height of the first control element 801.

[0265] In some of these embodiments, the first connecting element 802 is fixedly connected to the first control element 801, including but not limited to being integrally formed.

[0266] In some of these embodiments, the first connecting element 802 is made of stainless steel.

[0267] In some of these embodiments, the first connecting element 802 is a first connecting plate.

[0268] Further, the second control unit 900 further includes a second connecting element 902. The second connecting element 902 is disposed at the bottom of the second control unit 900 and connected to the top of the second adjusting unit 1100, and is configured to drive the second adjusting unit 1100 to reciprocate along the height direction of the second guiding unit 300.

[0269] Specifically, the second connecting element 902 is disposed at the bottom end of the second control element 901 and connected to the second control element 901.

[0270] The structure, connection relationship, and dimensions of the second connecting element 902 are the same as those of the first connecting element 802, and will not be described herein again.

[0271] In some embodiments, the second connecting element 902 is a second connecting plate.

[0272] As Figure 12 As shown in a, the first adjusting unit 1000 includes a third moving element 1001, at least one thirteenth chute element 1002, at least one third slider element 1003, at least one first elastic element 1004, and at least one seventh limiting element 1005. The third moving element 1001 is movably disposed inside the first moving unit 400 and is respectively connected to the first leather cutting unit 600 and the first control unit 800; the thirteenth chute element 1002 penetrates through the third moving element 1001; the third slider element 1003 is disposed inside the first moving unit 400 and slidably connected to the thirteenth chute element 1002, and is configured to drive the third moving element 1001 to reciprocate along the axial direction of the third slider element 1003 under the action of the first control unit 800; the first elastic element 1004 is sleeved on the third slider element 1003 and is located below the third moving element 1001, and is respectively connected to the third moving element 1001 and the first moving unit 400, and is configured to deform under the action of the third moving element 1001; the seventh limiting element 1005 is disposed at the top end of the third slider element 1003 and is located above the third moving element 1001, and is connected to the third slider element 1003, and is configured to limit the movement range of the third moving element 1001.

[0273] Specifically, the third moving element 1001 is movably disposed inside the first cavity element 405, the bottom end of the third moving element 1001 is connected to the short right-angled side of the first leather cutting element 601; the top end of the third moving element 1001 is connected to the first connecting element 802; the third slider element 1003 is disposed inside the first cavity element 405; the first elastic element 1004 is connected to the first moving element 401.

[0274] The cross section of the third moving element 1001 is rectangular.

[0275] The dimensions of the third movable element 1001 match those of the first cavity element 405. Generally, the length of the third movable element 1001 is not greater than the length of the first cavity element 405, the width of the third movable element 1001 is not greater than the width of the first cavity element 405, and the height of the third movable element 1001 is less than the height of the first cavity element 405.

[0276] The dimensions of the third movable element 1001 match those of the first peeling element 601. Generally, the length of the third movable element 1001 is greater than the length of the short right-angled side of the first peeling element 601, the width of the third movable element 1001 is greater than the thickness (such as the width) of the first peeling element 601, and the height of the third movable element 1001 is less than the length of the long right-angled side of the first peeling element 601.

[0277] The dimensions of the third movable element 1001 match those of the first connecting element 802. Generally, the length of the third movable element 1001 is greater than the length of the first connecting element 802, the width of the third movable element 1001 is equal to the width of the first connecting element 802, and the height of the third movable element 1001 is less than the height of the first connecting element 802.

[0278] In some of these embodiments, the third movable element 1001 is fixedly connected to the first peeling element 601 and the first connecting element 802 respectively, including but not limited to bolt connection.

[0279] In some of these embodiments, the third movable element 1001 is made of plastic material.

[0280] In some of these embodiments, the third movable element 1001 is the first movable plate.

[0281] The cross-section of the thirteenth chute element 1002 is circular, rounded rectangular, oval, etc.

[0282] The dimensions of the thirteenth chute element 1002 match those of the third movable element 1001. Generally, the radial dimension of the thirteenth chute element 1002 is less than the length and width of the third movable element 1001, and the axial dimension of the thirteenth chute element 1002 is equal to the height of the third movable element 1001.

[0283] In some of these embodiments, there are several thirteenth chute elements 1002. Several thirteenth chute elements 1002 are arranged at intervals along the length direction of the third movable element 1001.

[0284] In some of these embodiments, a thirteenth chute element 1002 is provided on one side of the third movable element 1001, and a thirteenth chute element 1002 is provided on the other side of the third movable element 1001.

[0285] In some of these embodiments, the thirteenth chute element 1002 is a thirteenth chute.

[0286] The cross-section of the third slider element 1003 is circular, rounded rectangular, oval, etc.

[0287] The size of the third slider element 1003 matches the size of the thirteenth chute element 1002. Generally, the radial dimension of the third slider element 1003 is equal to the radial dimension of the thirteenth chute element 1002, and the axial dimension of the third slider element 1003 is greater than the axial dimension of the thirteenth chute element 1002.

[0288] The size of the third slider element 1003 matches the size of the first cavity element 405. Generally, the radial dimension of the third slider element 1003 is less than the length and width of the first cavity element 405, and the axial dimension of the third slider element 1003 is less than the height of the first cavity element 405.

[0289] The number of the third slider elements 1003 matches the number of the thirteenth chute elements 1002. Generally, the number of the third slider elements 1003 is equal to the number of the thirteenth chute elements 1002.

[0290] In some of these embodiments, the third slider element 1003 is fixedly connected to the first movable element 401, including but not limited to hot melt connection.

[0291] In some of these embodiments, the third slider element 1003 is made of plastic material.

[0292] In some of these embodiments, the third slider element 1003 is a first sliding rod.

[0293] The number of the first elastic elements 1004 matches the number of the third slider elements 1003. Generally, the number of the first elastic elements 1004 is equal to the number of the third slider elements 1003.

[0294] In some of these embodiments, the first elastic elements 1004 are respectively fixedly connected to the first movable element 401 and the third movable element 1001, including but not limited to bolt connection.

[0295] In some of these embodiments, the first elastic element 1004 is made of stainless steel material.

[0296] In some of these embodiments, the first elastic element 1004 is a spring.

[0297] The cross-section of the seventh limiting element 1005 is circular, oval, etc.

[0298] The size of the seventh limiting element 1005 matches the size of the third slider element 1003. Generally, the radial size of the seventh limiting element 1005 is greater than the radial size of the third slider element 1003, and the axial size of the seventh limiting element 1005 is smaller than the axial size of the third slider element 1003.

[0299] The size of the seventh limiting element 1005 matches the size of the third moving element 1001. Generally, the radial size of the seventh limiting element 1005 is smaller than the length and width of the third moving element 1001.

[0300] The quantity of the seventh limiting elements 1005 matches the quantity of the third slider elements 1003. Generally, the quantity of the seventh limiting elements 1005 is equal to the quantity of the third slider elements 1003.

[0301] In some of these embodiments, the seventh limiting element 1005 is fixedly connected to the third slider element 1003, including but not limited to being integrally formed.

[0302] In some of these embodiments, the seventh limiting element 1005 is made of stainless steel.

[0303] In some of these embodiments, the seventh limiting element 1005 is a first limiting plate.

[0304] As Figure 12 shown in b, the second adjusting unit 1100 includes a fourth moving element 1101, at least one fourteenth chute element 1102, at least one fourth slider element 1103, at least one second elastic element 1104, and at least one eighth limiting element 1105. Among them, the fourth moving element 1101 is movably disposed inside the second moving unit 500 and is respectively connected to the second leather scraping unit 700 and the second control unit 900; the fourteenth chute element 1102 penetrates through the fourth moving element 1101; the fourth slider element 1103 is disposed inside the second moving unit 500 and is slidably connected to the fourteenth chute element 1102 for driving the fourth moving element 1101 to reciprocate axially along the fourth slider element 1103 under the action of the second control unit 900; the second elastic element 1104 is sleeved on the fourth slider element 1103 and is located below the fourth moving element 1101 and is respectively connected to the fourth moving element 1101 and the second moving unit 500 for deforming under the action of the fourth moving element 1101; the eighth limiting element 1105 is disposed at the top of the fourth slider element 1103 and is located above the fourth moving element 1101 and is connected to the fourth slider element 1103 for limiting the movement range of the fourth moving element 1101.

[0305] Specifically, the fourth movable element 1101 is movably disposed inside the second cavity element 505. The bottom end of the fourth movable element 1101 is connected to the short right-angled side of the second peeling element 701. The top end of the fourth movable element 1101 is connected to the second connecting element 902. The fourth slider element 1103 is disposed inside the second cavity element 505. The second elastic element 1104 is connected to the second movable element 501.

[0306] The structure, connection relationship, and dimensions of the fourth movable element 1101 are the same as those of the third movable element 1001, and will not be described in detail herein.

[0307] In some of the embodiments, the fourth movable element 1101 is a second movable plate.

[0308] The structure, connection relationship, and dimensions of the fourteenth chute element 1102 are the same as those of the thirteenth chute element 1002, and will not be described in detail herein.

[0309] In some of the embodiments, the fourteenth chute element 1102 is a fourteenth chute.

[0310] The structure, connection relationship, and dimensions of the fourth slider element 1103 are the same as those of the third slider element 1003, and will not be described in detail herein.

[0311] In some of the embodiments, the fourth slider element 1103 is a second sliding rod.

[0312] The structure, connection relationship, and dimensions of the second elastic element 1104 are the same as those of the first elastic element 1004, and will not be described in detail herein.

[0313] In some of the embodiments, the second elastic element 1104 is a spring.

[0314] The structure, connection relationship, and dimensions of the eighth limiting element 1105 are the same as those of the seventh limiting element 1005, and will not be described in detail herein.

[0315] In some of the embodiments, the eighth limiting element 1105 is a second limiting plate.

[0316] The usage method of the present utility model is as follows:

[0317] (1) Pasting the peeling device

[0318] It is basically the same as the usage method (1) of Embodiment 1, and will not be described in detail herein.

[0319] (2) Operation of the first peeling element 601

[0320] Press down the first control element 801. The first control element 801 drives the third movable element 1001 to move downward along the axial direction of the third slider element 1003 through the first connecting element 802;

[0321] The third movable element 1001 drives the first skin scraping element 601 to move vertically downward along the eleventh chute element 406, so that the first skin scraping element 601 contacts the skin of the affected area;

[0322] During the process, the bottom end of the first control element 801 abuts against the top end of the seventh limiting element 1005 to prevent the first skin scraping element 601 from contacting the skin of the affected area too deeply;

[0323] The third movable element 1001 moves downward to squeeze the first elastic element 1004, causing it to deform;

[0324] Push the first movable element 401, so that it drives the first skin scraping element 601 to move along the seventh chute element 206, thereby cutting the skin of the affected area;

[0325] Release the first control element 801. The third movable element 1001 moves upward along the axial direction of the third slider element 1003 under the action of the first elastic element 1004, and drives the first skin scraping element 601 to move vertically upward, so that the first skin scraping element 601 moves away from the skin of the affected area.

[0326] (III) Operation of the second skin scraping element 701

[0327] It is basically the same as the working method in (II), and will not be elaborated here.

[0328] (IV) Removal operation

[0329] Tear off the adhesive element 101 to remove the skin scraping device;

[0330] Expose the skin, and medical staff perform the next tissue separation operation.

[0331] The advantages of the present utility model are as follows: The skin scraping device can be pasted on the skin of the affected area by using the pasting unit, which is convenient for subsequent skin scraping operations; The cooperation between the first guiding unit and the second guiding unit can limit the skin scraping line to improve the neatness of the incision; The cooperation between the first movable unit, the second movable unit, the first skin scraping unit, and the second skin scraping unit is used to perform skin scraping operations on the skin of the affected area; The cooperation between the first adjusting unit and the second adjusting unit limits the distance between the first skin scraping unit and the second skin scraping unit close to the skin, avoiding the risk of excessive skin scraping increasing bleeding and soft tissue damage, ensuring the experimental results, and improving the practicability of the skin scraping device.

[0332] The above are only the preferred embodiments of the present utility model, and do not limit the implementation manners and protection scope of the present utility model thereby. For those skilled in the art, it should be realized that all the solutions obtained by equivalent substitutions and obvious changes made by using the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A skin biopsy device, characterized in that: include: An adhesive unit (100), the adhesive unit (100) being arranged on the skin of the affected area and used for adhering the skin-scratching device to the skin of the affected area; A first guiding unit (200), the first guiding unit (200) being arranged at the top end of the pasting unit (100) and connected to the pasting unit (100); A second guiding unit (300), the second guiding unit (300) being arranged at the top end of the pasting unit (100) and connected to the pasting unit (100) and used to cooperate with the first guiding unit (200) to form a shuttle shape; a first movable unit (400), the first movable unit (400) being movably connected to the first guide unit (200) and configured to reciprocate along a length direction of the first guide unit (200); a second movable unit (500), the second movable unit (500) being movably connected to the second guide unit (300) and configured to reciprocate along a length direction of the second guide unit (300); a first skin-scratching unit (600), the first skin-scratching unit (600) being arranged on the first movable unit (400) and being used for reciprocating along at least the length direction of the first guide unit (200) under the action of the first movable unit (400) to scratch the skin of the affected area; A second skin-scratching unit (700), wherein the second skin-scratching unit (700) is arranged on the second movable unit (500) and is used for reciprocating at least along the length direction of the second guide unit (300) under the action of the second movable unit (500) to scratch the skin of the affected area.

2. The skin paddling device according to claim 1, characterized in that: The pasting unit (100) comprises: An adhesive element (101), the adhesive element (101) being arranged on the skin of an affected area, the first guide unit (200) and the second guide unit (300) being arranged at the top of the adhesive element (101), respectively, for adhering the first guide unit (200) and the second guide unit (300) to the skin of the affected area; A first slide groove element (102), wherein the first slide groove element (102) is arranged to penetrate the adhesive element (101), and the first guide unit (200) is arranged above the first slide groove element (102) for allowing the first skinning unit (600) to pass through; A second slide groove element (103), wherein the second slide groove element (103) is arranged to penetrate the adhesive element (101), and the second guide unit (300) is arranged above the second slide groove element (103) to cooperate with the first slide groove element (102) to form a shuttle shape and allow the second skinning unit (700) to pass through; An isolation element (104), wherein the isolation element (104) is removably disposed at the bottom of the adhesive element (101).

3. The skin paddling device according to claim 1 or 2, characterized in that: The first guiding unit (200) comprises: A first guiding element (201), the first guiding element (201) being arranged on the top of the pasting unit (100) and being used to cooperate with the second guiding unit (300) to form a shuttle shape; a third slide groove element (202), the third slide groove element (202) being arranged on the top of the first guide element (201) and being movably connected to the first movable unit (400), and being used for allowing the first movable unit (400) to reciprocate along the height direction and the length direction of the first guide element (201); a fourth slide groove element (203), the fourth slide groove element (203) being arranged at the bottom of the first guide element (201), being connected to the third slide groove element (202), and being slidably connected to the first paddling unit (600), and being used for allowing the first paddling unit (600) to reciprocate along the height direction and the length direction of the first guide element (201); a first through-slot element (204), the first through-slot element (204) being arranged to penetrate the middle portion of the first guide element (201), being communicated with the third slide slot element (202), and being movably connected with the first movable unit (400), and being used for allowing the first movable unit (400) to reciprocate along the length direction of the first guide element (201); at least one first limiting element (205), the first limiting element (205) being arranged inside the first guiding element (201) and located on the side of the third sliding groove element (202), and being limited and slidably connected to the first movable unit (400), and being used to limit the position of the first movable unit (400) and to allow the first movable unit (400) to reciprocate along the length direction of the first guiding element (201); and / or The second guiding unit (300) comprises: A second guiding element (301), the second guiding element (301) being arranged on the top of the pasting unit (100) and being used to cooperate with the first guiding unit (200) to form a shuttle shape; a fifth slide groove element (302), the fifth slide groove element (302) being arranged on the top of the second guide element (301) and being movably connected to the second movable unit (500) and being used for allowing the second movable unit (500) to reciprocate along the height direction and the length direction of the second guide element (301); a sixth slide groove element (303), the sixth slide groove element (303) being arranged at the bottom of the second guide element (301), being connected to the fifth slide groove element (302), and being slidably connected to the second paddling unit (700), and being used for allowing the second paddling unit (700) to reciprocate along the height direction and the length direction of the second guide element (301); a second through-groove element (304), the second through-groove element (304) being arranged to penetrate the middle portion of the second guide element (301), being communicated with the fifth slide groove element (302), and being movably connected with the second movable unit (500), and being used for allowing the second movable unit (500) to reciprocate along the length direction of the second guide element (301); at least one second limiting element (305), the second limiting element (305) being arranged inside the second guide element (301) and located on the side of the fifth slide groove element (302), and being limited and slidably connected to the second movable unit (500), and being used to limit the position of the second movable unit (500) and to allow the second movable unit (500) to reciprocate along the length direction of the second guide element (301); and / or The first activity unit (400) comprises: A first movable element (401), the first movable element (401) is movably connected to the first guide unit (200), and the first paddling unit (600) is provided at the bottom of the first movable element (401) for driving the first paddling unit (600) to reciprocate along the height direction and the length direction of the first guide unit (200); a third limiting element (402), the third limiting element (402) being arranged at the bottom of the first movable element (401) and being connected to the first guide unit (200) in a limiting manner, and being used for limiting the position of the first movable element (401) in an initial state to prevent the first paddling unit (600) from protruding from the bottom of the first guide unit (200); and / or The second movable unit (500) comprises: A second movable element (501), the second movable element (501) is movably connected to the second guide unit (300), and the second skin-scratching unit (700) is provided at the bottom of the second movable element (501) for driving the second skin-scratching unit (700) to reciprocate along the height direction and the length direction of the second guide unit (300); a fifth limiting element (502), the fifth limiting element (502) being arranged at the bottom of the second movable element (501) and being connected to the second guide unit (300) in a limiting manner, and being used for limiting the position of the second movable element (501) in an initial state to prevent the second skin-scratching unit (700) from protruding from the bottom of the second guide unit (300); and / or The first paddling unit (600) comprises: a first skin-scratching element (601), the first skin-scratching element (601) being arranged on the first movable unit (400) and being used for reciprocating along the height direction and the length direction of the first guide unit (200) under the action of the first movable unit (400) to scratch the skin of the affected area; and / or The second paddling unit (700) comprises: A second skin-scratching element (701), wherein the second skin-scratching element (701) is arranged on the second movable unit (500), and is used for reciprocating along the height direction and the length direction of the second guide unit (300) under the action of the second movable unit (500) to scratch the skin of the affected area.

4. The skin paddling device according to claim 3, characterized in that: The first active unit (400) further comprises: a fourth limiting element (403), the fourth limiting element (403) being arranged at the top of the first movable element (401) and being connected to the first guide unit (200) in a limiting manner, and being used for limiting the position of the first movable element (401) in a working state so that the first paddling unit (600) protrudes a preset distance from the bottom of the first guide unit (200); and / or The second movable unit (500) further comprises: A sixth limiting element (503) is arranged at the top of the second movable element (501) and is limitedly connected to the second guide unit (300), and is used to limit the position of the second movable element (501) in a working state so that the second paddling unit (700) protrudes a preset distance from the bottom of the second guide unit (300).

5. The skin paddling device according to claim 1 or 2, characterized in that: The first guiding unit (200) comprises: A first guiding element (201), the first guiding element (201) being arranged at the top end of the pasting unit (100) and connected to the pasting unit (100), and being used to cooperate with the second guiding unit (300) to form a shuttle shape; a seventh sliding groove element (206), the seventh sliding groove element (206) being arranged at the top end of the first guide element (201) and being slidably connected to the first movable unit (400); an eighth slide groove element (207), the eighth slide groove element (207) being arranged outside the first guide element (201), being communicated with the seventh slide groove element (206), and being slidably connected with the first movable unit (400), and being used for allowing the first movable unit (400) to pass through the first guide element (201); and / or The second guiding unit (300) comprises: A second guiding element (301), the second guiding element (301) being arranged at the top end of the pasting unit (100) and connected to the pasting unit (100) and used for cooperating with the first guiding unit (200) to form a shuttle shape; a ninth sliding groove element (306), the ninth sliding groove element (306) being arranged at the top end of the second guide element (301) and being slidably connected to the second movable unit (500); a tenth slide groove element (307), the tenth slide groove element (307) being arranged outside the second guide element (301), being communicated with the ninth slide groove element (306), and being slidably connected with the second movable unit (500), and being used for allowing the second movable unit (500) to pass through the second guide element (301); and / or The first activity unit (400) comprises: A first movable element (401), the first movable element (401) being slidably disposed inside the first guide unit (200) and configured to reciprocate along a length direction of the first guide unit (200); a first slider element (404), the first slider element (404) being disposed on a side of the first movable element (401) and being slidably connected to the first guide unit (200); and / or The second movable unit (500) comprises: a second movable element (501), the second movable element (501) being slidably disposed inside the second guide unit (300) and being configured to reciprocate along a length direction of the second guide unit (300); a second slider element (504), the second slider element (504) being disposed on a side of the second movable element (501) and being slidably connected to the second guide unit (300); and / or The first paddling unit (600) comprises: a first skin-scratching element (601), the first skin-scratching element (601) being movably disposed on the first movable unit (400), and being used for reciprocating along the height direction of the first movable unit (400) and reciprocating along the length direction of the first guide unit (200) under the action of the first movable unit (400) to scratch the skin of the affected area; and / or The second paddling unit (700) comprises: A second skin-scratching element (701), the second skin-scratching element (701) is movably arranged on the second movable unit (500), and is used to reciprocate along the height direction of the second movable unit (500) and reciprocate at least along the length direction of the second guide unit (300) under the action of the second movable unit (500) to scratch the skin of the affected area.

6. The skin paddling device according to claim 5, characterized in that: The first guiding unit (200) further comprises: a third through-groove element (208), the third through-groove element (208) being disposed at the bottom end of the first guide element (201) and being connected to the seventh slide groove element (206), for allowing the second paddling unit (700) to penetrate into the first guide element (201); and / or The second guiding unit (300) further comprises: A fourth through groove element (308), wherein the fourth through groove element (308) is disposed at the bottom end of the second guide element (301) and is connected to the ninth slide groove element (306), and is used for allowing the first paddling unit (600) to penetrate into the first guide element (201).

7. The skin paddling device according to claim 1, characterized in that: Also includes: A first control unit (800), the first control unit (800) is arranged on the top of the first movable unit (400), and is used to drive the first paddling unit (600) to reciprocate along the height direction and the length direction of the first guide unit (200); The second control unit (900) is arranged on the top of the second movable unit (500) and is used to drive the second paddling unit (700) to reciprocate along the height direction and the length direction of the first guide unit (200).

8. The skin paddling device according to claim 7, characterized in that: The first control unit (800) comprises: A first operating element (801), which is disposed on the top of the first movable unit (400) and is used to drive the first paddling unit (600) to reciprocate along the height direction and the length direction of the first guide unit (200); and / or The second control unit (900) comprises: The second operating element (901) is arranged on the top of the second movable unit (500) and is used to drive the second paddling unit (700) to reciprocate along the height direction and the length direction of the second guide unit (300).

9. The skin paddling device according to claim 7, characterized in that: Also includes: A first adjustment unit (1000), the first adjustment unit (1000) being arranged inside the first movable unit (400) and being connected to the first paddling unit (600) and the first control unit (800) respectively, and being used for driving the first paddling unit (600) to reciprocate along the height direction of the first movable unit (400) under the action of the first control unit (800); The second adjusting unit (1100) is arranged inside the second movable unit (500) and is respectively connected to the second paddling unit (700) and the second control unit (900), and is used to drive the second paddling unit (700) to reciprocate along the height direction of the second movable unit (500) under the action of the second control unit (900).

10. The skin paddling device according to claim 9, characterized in that: The first active unit (400) further comprises: A first hollow element (405), wherein the first hollow element (405) is arranged at the top of the first movable unit (400), and the first skin-scratching unit (600) and the first adjusting unit (1000) are arranged inside the first hollow element (405); an eleventh slide groove element (406), the eleventh slide groove element (406) being disposed at the bottom end of the first movable unit (400), being communicated with the first cavity element (405), and being slidably connected with the first paddling unit (600); and / or The second movable unit (500) further comprises: A second hollow element (505), wherein the second hollow element (505) is disposed at the top of the second movable unit (500), and the interior of the second hollow element (505) is respectively disposed at the second skin-scratching unit (700) and the second adjusting unit (1100); a twelfth slide groove element (506), the twelfth slide groove element (506) being arranged at the bottom end of the second movable unit (500), being communicated with the second cavity element (505), and being slidably connected with the second paddling unit (700); and / or The first control unit (800) further comprises: a first connecting element (802), the first connecting element (802) being arranged at the bottom of the first control unit (800) and connected to the top of the first adjustment unit (1000), and being used for driving the first adjustment unit (1000) to reciprocate along the height direction of the first guide unit (200); and / or The second control unit (900) further comprises: a second connecting element (902), the second connecting element (902) being arranged at the bottom of the second control unit (900) and connected to the top of the second adjustment unit (1100), and being used for driving the second adjustment unit (1100) to reciprocate along the height direction of the second guide unit (300); and / or The first adjustment unit (1000) comprises: A third movable element (1001), the third movable element (1001) being movably disposed inside the first movable unit (400) and being respectively connected to the first skin-paddling unit (600) and the first control unit (800); at least one thirteenth sliding groove element (1002), the thirteenth sliding groove element (1002) being arranged through the third movable element (1001); at least one third slider element (1003), the third slider element (1003) being arranged inside the first movable unit (400) and being slidably connected to the thirteenth slide groove element (1002), and being used for driving the third movable element (1001) to reciprocate along the axial direction of the third slider element (1003) under the action of the first control unit (800); at least one first elastic element (1004), the first elastic element (1004) being sleeved on the third slider element (1003), being located below the third movable element (1001), and being respectively connected to the third movable element (1001) and the first movable unit (400), and being used for generating deformation under the action of the third movable element (1001); at least one seventh limiting element (1005), the seventh limiting element (1005) being arranged at the top end of the third slider element (1003), being located above the third movable element (1001), and being connected to the third slider element (1003), and being used for limiting the range of motion of the third movable element (1001); and / or The second adjustment unit (1100) comprises: a fourth movable element (1101), the fourth movable element (1101) being movably disposed inside the second movable unit (500) and being respectively connected to the second skin-paddling unit (700) and the second control unit (900); at least one fourteenth sliding groove element (1102), the fourteenth sliding groove element (1102) being arranged to penetrate the fourth movable element (1101); at least one fourth slider element (1103), the fourth slider element (1103) being arranged inside the second movable unit (500) and being slidably connected to the fourteenth slide groove element (1102), and being used for driving the fourth movable element (1101) to reciprocate along the axial direction of the fourth slider element (1103) under the action of the second control unit (900); at least one second elastic element (1104), the second elastic element (1104) being sleeved on the fourth slider element (1103), being located below the fourth movable element (1101), and being respectively connected to the fourth movable element (1101) and the second movable unit (500), and being used for generating deformation under the action of the fourth movable element (1101); At least one eighth limiting element (1105), the eighth limiting element (1105) is arranged at the top of the fourth slider element (1103), is located above the fourth movable element (1101), and is connected to the fourth slider element (1103), and is used to limit the movement range of the fourth movable element (1101).

Images