Medical electric skin preparation knife

Abstract

The utility model provides a medical electric skin preparation knife, which belongs to the technical field of medical treatment, and comprises a grab handle, an adjusting component and a quick release component, the adjusting component comprises a conveying cabin which is hermetically communicated with the top of a connecting cabin, and the medical electric skin preparation knife has the beneficial effects that a user opens a first electric telescopic rod through a single chip microcomputer, so that the first electric telescopic rod extends or contracts; the first hinge seat is driven to slide in the sliding guide rail through the first connecting block, the first hinge seat is driven to slide in the sliding guide rail through the second connecting block and the second hinge seat, and the first connecting block drives the first hinge seat to slide in the sliding guide rail to drive the connector to rotate through the connecting plate to adjust the angle. The connecting sleeve can be adjusted along with the angle of the connector, and it needs to be noted that the connecting sleeve has an elastic function and can ensure that the connector and the conveying bin are sealed, so that the angle of the skin preparation knife can be easily adjusted according to the characteristics and requirements of the surgical site, and the cutting precision and safety are ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the medical technical field, concretely relates to a medical electric type skin preparation knife. BACKGROUND

[0002] Before operation, the skin preparation knife is needed to remove the hair of the operation part, so as to achieve the effect of cleaning the skin, reduce the number of bacteria on the skin surface, through the search, the application number is "CN202221156402.7" discloses "an electric skin preparation knife", it records "hair suction mechanism and suction hole connection conduction, hair suction mechanism is used for suction storage hair, so that the skin preparation operation process can realize the self suction of hair, and the problem that hair can not appear to the operation visual line and cause the shielding problem, thereby effectively solve the problem that the existing skin preparation knife is easy to scratch the skin", utilize hair suction mechanism and suction hole connection conduction, hair suction mechanism is used for suction storage hair, indeed make the skin preparation operation process can realize the self suction of hair, and the problem that hair can not appear to the operation visual line and cause the shielding problem, thereby effectively solve the problem that the existing skin preparation knife is easy to scratch the skin, but the above comparative file still has the following problems in actual use:

[0003] In actual use, the angle of the cutter head cannot be adjusted, resulting in that special parts cannot be cleaned, the work efficiency is reduced, and the protective cover cannot be disassembled together when disassembled, so that bacteria are likely to appear on the contact part with the patient.

[0004] Therefore, it is provided that the skin preparation knife can realize angle adjustment and can move, disassemble, disinfect and replace the protective cover, which is very practical. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a medical electric type skin preparation knife, which aims at solving the above technical problems.

[0006] The utility model embodiment provides a medical electric type skin preparation knife, including handle, adjusting assembly and quick release assembly.

[0007] Among them, the top of the handle is provided with a connecting bin;

[0008] The adjusting assembly comprises a conveying bin in sealing communication with the top of the connecting bin, one end of the conveying bin is provided with two connecting plates, a connecting head is hingedly connected in the interiors of the two connecting plates, a connecting sleeve is in sealing communication with one end of the connecting head, one end of the connecting sleeve is in sealing communication with the conveying bin, two sliding guide rails are arranged at the bottom of the connecting head, first hinge seats are slidably connected to the bottoms of the two sliding guide rails, first connecting blocks are hingedly connected to the interiors of the two first hinge seats, first electric telescopic rods are arranged at the bottoms of the two first connecting blocks, second connecting blocks are arranged at the bottoms of the two first electric telescopic rods, second hinge seats are hingedly connected to the bottoms of the two second connecting blocks, and the bottoms of the two second hinge seats are fixedly connected with the connecting bin.

[0009] The quick release assembly comprises a fixing plate arranged in the interior of the connecting head, a plurality of torque motors are arranged at the bottom of the fixing plate, a rotating ring is arranged at the output shaft end of each torque motor and penetrates through the fixing plate, a slot is formed in the interior of the rotating ring, a plurality of limiting rods are arranged at the top of the fixing plate, a moving plate is slidably connected in the interior of each limiting rod, a connecting rod is rotatably connected in the interior of the moving plate, a plurality of blades are arranged on the outer wall of the connecting rod, a limiting block is arranged at one end of the connecting rod, the limiting block is in penetrating connection with the slot at one end, a protective cover is arranged on the end cover of the connecting head, two fixing frames are arranged at one end of the protective cover, a connecting groove is formed in one side of each fixing frame, auxiliary frames are arranged on the two sides of the connecting head, a connecting hole is formed in one end of each auxiliary frame, a connecting seat is arranged on one side of each auxiliary frame, an auxiliary rod is hingedly connected to one side of the connecting seat, a plug is arranged on one side of the auxiliary rod, a button is arranged at the bottom of the other side of the auxiliary rod, a torsional spring is arranged at the connecting position of the auxiliary rod and the connecting seat, the end of the plug is in penetrating connection with the connecting groove, the end of the fixing frame is in penetrating connection with the connecting hole, two resisting plates are arranged at one end of the protective cover, second electric telescopic rods are arranged in the interiors of the two sides of the fixing plate, and the ends of the two second electric telescopic rods are movably connected with the moving plate.

[0010] In one embodiment of the utility model, the interior of the protective cover is embedded with a protective net, the top and the bottom of the protective cover are provided with connecting strips, and disinfecting sheets are attached to one end of the two connecting strips.

[0011] In an embodiment of the utility model, the suction assembly includes the collection bin which is sealed and communicated at the bottom of the connecting bin, the bottom of the collection bin is sealed and communicated with the connecting pipe, the bottom of the connecting pipe is sealed and communicated with the micro dust collector, the bottom of the micro dust collector is sealed and communicated with the discharge pipe, the bottom of the discharge pipe is sealed and communicated with the protection box, the inside of the protection box is slidably connected with the hair storage box, the side of the protection box is penetrated and hinged with the protection cover through the handle hinge, one end of the protection cover is provided with the handle, the inside of the handle is embedded with the door lock, the inside wall of the handle protection box and the hair storage box is embedded with the transparent glass, the inside of the hair storage box is sleeved with the collection plastic bag.

[0012] In an embodiment of the utility model, the top of the protection box is provided with the protection shell, the inside of two protection shells is provided with the storage battery.

[0013] In an embodiment of the utility model, the side of the handle is provided with the control button.

[0014] In an embodiment of the utility model, the handle is made of polypropylene, and the other side of the handle is provided with the single-chip microcomputer.

[0015] In an embodiment of the utility model, the first electric telescopic rod, the torque motor, the second electric telescopic rod and the micro dust collector are electrically connected with the single-chip microcomputer, and the single-chip microcomputer is electrically connected with the storage battery.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1) through the first electric telescopic rod, the user can open the first electric telescopic rod through the single-chip microcomputer, so that the first electric telescopic rod is stretched or retracted, and then drives the first articulated seat to slide in the sliding guide rail through the first connecting block, and itself moves through the second connecting block and the second articulated seat, the first connecting block drives the first articulated seat to slide in the sliding guide rail, which drives the connecting head to rotate and adjust the angle through the connecting plate, when the connecting head adjusts the angle, the connecting sleeve can follow the angle adjustment of the connecting head, and it should be noted that the connecting sleeve has elastic function and can ensure that the connecting head is sealed with the conveying bin, so as to adjust the connecting head, so that the angle of the skinning knife can be easily adjusted according to the characteristics and needs of the operation site, and the cutting accuracy and safety are ensured.

[0018] 2) through the button, convenient for users to need to take off the protective cover and blade replacement or cleaning, users through the button, make the button drive auxiliary rod through the connecting seat rotation, make the one side of the auxiliary rod drive plug from the fixed frame in the connecting groove slide out, release the limit of the fixed frame, at this time the user can take off the protective cover, when taking off the protective cover, the protective cover on the abutment plate will be separated from the moving plate, and then release the limit of the moving plate, at this time the user opens the second electric telescopic rod through the single-chip microcomputer, and the second electric telescopic rod moves upward, pushes the moving plate along the limiting rod, and then makes the blade and connecting rod in the moving plate be pushed up, makes the limiting block separate from the plug hole, realizes the purpose of quick disassembly, and after cleaning, the user slides the moving plate along the limiting rod, and opens the torque motor through the single-chip microcomputer, and the torque motor output shaft drives the rotating ring to rotate slightly, makes the limiting block on the connecting rod in the moving plate completely insert into the plug hole in the rotating ring, at this time the user installs the protective cover, makes the abutment plate on the protective cover abut on the moving plate and limit it, and itself is limited through the plug, so as to realize the purpose of quick disassembly of the protective cover and the blade, so as to clean them. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application, and together with the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0020] Figure 1 It is a structural schematic diagram of the present application;

[0021] Figure 2 It is a structural schematic diagram of one end of the present application;

[0022] Figure 3 It is a structural schematic diagram of the top of the present application;

[0023] Figure 4 It is a structural schematic diagram of the internal split of the connecting head of the present application;

[0024] Figure 5 It is a structural schematic diagram of the internal split of the handle of the present application;

[0025] Figure 6 It is a structural schematic diagram of the auxiliary rod of the present application.

[0026] In the figure: 100, handle; 110, connecting bin; 200, adjusting assembly; 210, conveying bin; 220, connecting plate; 230, connecting head; 240, connecting sleeve; 250, sliding guide rail; 260, first hinged seat; 270, first electric telescopic rod; 280, second hinged seat; 300, quick release assembly; 310, fixed plate; 320, torque motor; 330, rotating ring; 340, limiting rod; 350, moving plate; 360, connecting rod; 370, blade; 380, protective cover; 390, fixing frame; 3910, auxiliary frame; 3920, connecting seat; 3930, auxiliary rod; 3940, plug; 3950, resisting plate; 3960, second electric telescopic rod; 400, protective net; 500, connecting strip; 600, disinfecting sheet; 700, suction assembly; 710, collecting bin; 720, micro vacuum cleaner; 730, exhaust pipe; 740, protective box; 750, hair storage box; 760, protective cover; 770, handle; 780, collecting plastic bag; 800, protective shell; 900, control button. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application. EMBODIMENT

[0028] Please refer to Figures 1-6 A medical electric skin-preparing knife comprises a handle 100, an adjusting assembly 200 and a quick release assembly 300.

[0029] Specifically, please refer to Figure 1 The top of the handle 100 is provided with a connecting bin 110.

[0030] Please refer to Figures 2-6The adjusting assembly 200 comprises a conveying bin 210 in sealing communication with the top of the connecting bin 110, one end of the conveying bin 210 is provided with two connecting plates 220, the interiors of the two connecting plates 220 are hingedly connected with a connecting head 230, one end of the connecting head 230 is in sealing communication with a connecting sleeve 240, one end of the connecting sleeve 240 is in sealing communication with the conveying bin 210, the bottom of the connecting head 230 is provided with two sliding guide rails 250, the bottoms of the two sliding guide rails 250 are both slidingly connected with first hinged seats 260, the interiors of the two first hinged seats 260 are both hingedly connected with first connecting blocks, the bottoms of the two first connecting blocks are both provided with first electric telescopic rods 270, the bottoms of the two first electric telescopic rods 270 are both provided with second connecting blocks, the bottoms of the two second connecting blocks are both hingedly connected with second hinged seats 280, and the bottoms of the two second hinged seats 280 are both fixedly connected with the connecting bin 110.

[0031] In a specific embodiment, the first electric telescopic rod 270 is provided, the user can open the first electric telescopic rod 270 through the single-chip microcomputer, so that the first electric telescopic rod 270 is stretched or retracted, and then drives the first hinged seat 260 to slide in the sliding guide rail 250 through the first connecting block, and the first electric telescopic rod 270 moves through the second connecting block and the second hinged seat 280, the first connecting block drives the first hinged seat 260 to slide in the sliding guide rail 250, which drives the connecting head 230 to rotate and adjust the angle through the connecting plate 220, and the connecting sleeve 240 can follow the angle adjustment of the connecting head 230 when the connecting head 230 adjusts the angle, and it should be noted that the connecting sleeve 240 has elastic function and can ensure that the connecting head 230 is in sealing communication with the conveying bin 210, so as to adjust the connecting head 230, so that the angle of the skin-preparing knife can be easily adjusted according to the characteristics and needs of the surgical site, and the cutting accuracy and safety are ensured.

[0032] Please refer to Figures 4-6The quick release assembly 300 comprises a fixing plate 310 arranged inside the connector 230, the bottom of the fixing plate 310 is provided with a plurality of torque motors 320, the output shaft end of the plurality of torque motors 320 is provided with a rotating ring 330 penetrating through the fixing plate 310, the inside of the rotating ring 330 is provided with a slot, the top of the fixing plate 310 is provided with a plurality of limiting rods 340, the inside of the plurality of limiting rods 340 is slidably connected with a moving plate 350, the inside of the moving plate 350 is rotatably connected with a connecting rod 360, the outer wall of the connecting rod 360 is provided with a plurality of blades 370, one end of the connecting rod 360 is provided with a limiting block, one end of the limiting block is penetratingly connected with the slot, the end cover of the connector 230 is provided with a protective cover 380, one end of the protective cover 380 is provided with two fixing frames 390, the side of the two fixing frames 390 is provided with a connecting groove, the two sides of the connector 230 are provided with auxiliary frames 3910, one end of the auxiliary frame 3910 is provided with a connecting port, the side of the auxiliary frame 3910 is provided with a connecting seat 3920, the side of the connecting seat 3920 is hingedly connected with an auxiliary rod 3930, the side of the auxiliary rod 3930 is provided with a plug 3940, the other side of the auxiliary rod 3930 is provided with a button at the bottom, the connecting seat 3920 is provided with a torsion spring at the connecting position of the auxiliary rod 3930, the end of the plug 3940 is penetratingly connected with the connecting groove, one end of the fixing frame 390 is penetratingly connected with the connecting port, one end of the protective cover 380 is provided with two resisting plates 3950, the inside of the fixing plate 310 is provided with second electric telescopic rods 3960 on both sides, the end of the two second electric telescopic rods 3960 is movably connected with the moving plate 350.

[0033] In a specific embodiment, when it is necessary to remove and replace or clean the protective cover 380 and the blade 370, the user presses the button to drive the auxiliary rod 3930 to rotate through the connecting seat 3920, so that one side of the auxiliary rod 3930 drives the plug 3940 to slide out of the connecting groove in the fixing frame 390, thereby releasing the limiting of the fixing frame 390. At this time, the user can take down the protective cover 380. When the protective cover 380 is taken down, the abutting plate 3950 on the protective cover 380 will be separated from the moving plate 350, thereby releasing the limiting of the moving plate 350. At this time, the user opens the second electric telescopic rod 3960 through the single-chip microcomputer, so that the second electric telescopic rod 3960 moves upward, pushes the moving plate 350 along the limiting rod 340, and then pushes the blade 370 and the connecting rod 360 in the moving plate 350 upward, so that the limiting block is separated from the insertion slot, thereby achieving the purpose of quick disassembly. After cleaning, the user slides the moving plate 350 along the limiting rod 340, and opens the torque motor 320 through the single-chip microcomputer, so that the output shaft of the torque motor 320 drives the rotating ring 330 to slightly rotate, and the limiting block on the connecting rod 360 in the moving plate 350 is completely inserted into the insertion slot in the rotating ring 330. At this time, the user installs the protective cover 380, so that the abutting plate 3950 on the protective cover 380 is abutted against the moving plate 350 to limit it, and the plug 3940 is limited, thereby achieving the purpose of quickly disassembling the protective cover 380 and the blade 370, so as to clean them.

[0034] Please refer to Figure 3 The inside of the protective cover 380 is embedded with a protective net 400, and the top and bottom of the protective cover 380 are provided with connecting strips 500. One end of each of the two connecting strips 500 is pasted with a disinfecting sheet 600.

[0035] In a specific embodiment, the disinfecting sheet 600 is provided, which can be used to disinfect the depilation site at the same time during use, thereby improving the work efficiency. After disinfection, the user can tear off the disinfecting sheet 600 from the connecting strip 500 and paste a new disinfecting sheet 600, thereby avoiding cross infection.

[0036] Please refer to Figure 5The suction assembly 700 comprises a collection bin 710 sealed and communicated at the bottom of the connecting bin 110, the bottom of the collection bin 710 is sealed and communicated with a connecting pipe, the bottom of the connecting pipe is sealed and communicated with a micro vacuum cleaner 720, the bottom of the micro vacuum cleaner 720 is sealed and communicated with a discharge pipe 730, the bottom of the discharge pipe 730 is sealed and communicated with a protection box 740, the inside of the protection box 740 is slidingly connected with a hair storage box 750, one side of the protection box 740 is hingedly connected with a protection cover 760 penetrating the handle 100, one end of the protection cover 760 is provided with a handle 770, the inside of the handle 770 is embedded with a door lock, the inside wall of one side of the protection box 740 and the hair storage box 750 is embedded with transparent glass, and the inside of the hair storage box 750 is sleeved with a collection plastic bag 780.

[0037] In a specific embodiment, through the collection bin 710, when the user needs to remove hair from the patient's part, the user opens the torque motor 320 through the single-chip microcomputer, so that the torque motor 320 drives the rotating ring 330 and then drives the limiting block to rotate, the limiting block drives the connecting rod 360 to rotate, and then drives the blade 370 to rotate, at this time, the user removes hair from the patient through the protective net 400 on the protection cover 380, at this time, the user opens the micro vacuum cleaner 720 through the single-chip microcomputer, so that the micro vacuum cleaner 720 generates a negative pressure suction force, the hair generated by the hair removal is sucked in through the connecting pipe, the collection bin 710, the connecting bin 110, the conveying bin 210, the connecting sleeve 240 and the connecting head 230, and is discharged into the collection plastic bag 780 in the hair storage box 750 in the protection box 740, the user can observe whether the hair storage box 750 is full of hair through the transparent glass when using, if full, the user opens the door lock through the special medicine spoon, then opens the protection cover 760 through the handle 770, pulls out the hair storage box 750 from the protection box 740, takes out the collection plastic bag 780, then discards the hair in the collection plastic bag 780 together with the collection plastic bag 780, and disinfects and cleans the hair storage box 750, thereby improving the work efficiency.

[0038] Please refer to Figure 5 The top of the protection box 740 is provided with a protection shell 800, and the inside of the two protection shells 800 is provided with a storage battery.

[0039] In a specific embodiment, the protection shell 800 is provided, which facilitates the protection of the storage battery in the protection shell 800, avoids the damage of the protection shell 800 caused by bumping during use, and improves the stability.

[0040] Please refer to Figure 5 One side of the handle 100 is provided with a control button 900.

[0041] In a specific embodiment, the user can press the control button 900 to feed information to the single-chip microcomputer, so that the single-chip microcomputer opens the torque motor 320 to shave.

[0042] Please refer to Figure 1 The handle 100 is made of polypropylene, and the other side of the handle 100 is provided with a single-chip microcomputer.

[0043] In a specific embodiment, the handle 100 is made of polypropylene, which is firm and durable. Therefore, the handle 100 can be more stable during use, and the stability is improved.

[0044] Please refer to Figures 1-6 The first electric telescopic rod 270, the torque motor 320, the second electric telescopic rod 3960, and the micro dust collector 720 are electrically connected with the single-chip microcomputer, and the single-chip microcomputer is electrically connected with the battery.

[0045] In a specific embodiment, the single-chip microcomputer is provided, which can control the power supply of the electrical equipment. When the electrical equipment needs to be powered, it can be powered on, so that the situation that the electrical equipment cannot be powered on when it needs to be powered is avoided.

[0046] In use, first, through the first electric telescopic rod 270 is provided, convenient for the user to open the first electric telescopic rod 270 through the single-chip microcomputer, make the first electric telescopic rod 270 stretch or shrink, in turn drive through the first connecting block drive the first hinged seat 260 in the sliding guide rail 250 sliding, and itself through the second connecting block and the second hinged seat 280 move, the first connecting block drive the first hinged seat 260 in the sliding guide rail 250 sliding will drive the connector 230 through the connecting plate 220 rotation angle adjustment, then the connector 230 adjusts the angle, the connecting sleeve 240 can follow the angle adjustment of the connector 230, it needs to be noted that "the connecting sleeve 240 is elastic function has, can guarantee that the connector 230 is sealed with the conveying bin 210", to realize the adjustment of the connector 230, so that the angle of the skinning knife can be easily adjusted according to the characteristics and needs of the surgical site, ensure the accuracy and safety of cutting, then through the button is provided, convenient for the user to take down the protective cover 380 and the blade 370 when needing to replace or clean, the user passes through the button and makes the button drive the auxiliary rod 3930 through the connecting seat 3920 rotation, makes the one side of the auxiliary rod 3930 drive the plug 3940 from the connecting groove in the fixed frame 390 slide out, release the limiting of the fixed frame 390, at this time the user can take down the protective cover 380, when taking down the protective cover 380, the abutment plate 3950 on the protective cover 380 will be separated from the moving plate 350, in turn release the limiting of the moving plate 350, at this time the user opens the second electric telescopic rod 3960 through the single-chip microcomputer, makes the second electric telescopic rod 3960 move upwards, pushes the moving plate 350 along the limiting rod 340, in turn makes the blade 370 and the connecting rod 360 in the moving plate 350 be pushed up, finally makes the limiting block separate from the insertion slot, realizes the purpose of quick disassembly, and after cleaning, the user slides the moving plate 350 along the limiting rod 340, and opens the torque motor 320 through the single-chip microcomputer, makes the output shaft of the torque motor 320 drive the rotary ring 330 slightly rotate, makes the limiting block on the connecting rod 360 in the moving plate 350 completely insert into the insertion slot in the rotary ring 330, at this time the user installs the protective cover 380, makes the abutment plate 3950 on the protective cover 380 abut on the moving plate 350 and limit it, itself is limited through the plug 3940, to realize the purpose of quick disassembly of the protective cover 380 and the blade 370, so as to clean them.

[0047] Finally, it should be noted that: the above only for preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A medical motorized scalping knife characterized by, Include: The handle (100) is provided with a connecting bin (110) at the top; Adjusting assembly (200) including sealed communication in the connecting bin (110) top delivery bin (210), one end of the delivery bin (210) is provided with two connecting plate (220), two connecting plate (220) inside hinge hinged with connecting head (230), one end of the connecting head (230) is sealed with connecting sleeve (240), one end of the connecting sleeve (240) is sealed with the delivery bin (210), the bottom of the connecting head (230) is provided with two sliding guide rail (250), the bottom of two sliding guide rail (250) is slidably connected with first hinged seat (260), the inside of two first hinged seat (260) is hingedly connected with first connecting block, the bottom of two first connecting block is provided with first electric telescopic rod (270), the bottom of two first electric telescopic rod (270) is provided with second connecting block, the bottom of two second connecting block is hingedly connected with second hinged seat (280), the bottom of two second hinged seat (280) is fixedly connected with the connecting bin (110); The quick release assembly (300) comprises a fixed plate (310) arranged inside the connector (230), the bottom of the fixed plate (310) is provided with a plurality of torque motors (320), the output shaft end of the plurality of torque motors (320) is provided with a rotating ring (330) penetrating the fixed plate (310), the inside of the rotating ring (330) is provided with a slot, the top of the fixed plate (310) is provided with a plurality of limiting rods (340), the inside of the plurality of limiting rods (340) is slidably connected with a moving plate (350), the inside of the moving plate (350) is rotatably connected with a connecting rod (360), the outer wall of the connecting rod (360) is provided with a plurality of blades (370), one end of the connecting rod (360) is provided with a limiting block, one end of the limiting block is connected with the slot in penetration, the end of the connector (230) is covered with a protective cover (380), one end of the protective cover (380) is provided with two fixed frames (390), the side of the two fixed frames (390) is provided with a connecting groove, the two sides of the connector (230) are provided with an auxiliary frame (3910), one end of the auxiliary frame (3910) is provided with a connecting port, one side of the auxiliary frame (3910) is provided with a connecting seat (3920), the side of the connecting seat (3920) is hingedly connected with an auxiliary rod (3930), one side of the auxiliary rod (3930) is provided with a plug (3940), the other side of the auxiliary rod (3930) is provided with a button, the connecting seat (3920) is provided with a torsional spring, the end of the plug (3940) is connected with the connecting groove in penetration, one end of the fixed frame (390) is connected with the connecting port in penetration, one end of the protective cover (380) is provided with two resisting plates (3950), the inside of the fixed plate (310) is provided with a second electric telescopic rod (3960) on both sides, the end of the two second electric telescopic rods (3960) is movably connected with the moving plate (350).

2. The electrically powered dermatome of claim 1 wherein: The inside of the protective cover (380) is embedded with a protective net (400), the top and bottom of the protective cover (380) are provided with a connecting strip (500), one end of the two connecting strips (500) is pasted with a disinfecting sheet (600).

3. The electrically powered medical scalping knife according to claim 1, wherein: The application discloses a hair collection device, which comprises a suction assembly (700), a connecting pipe, a micro dust collector (720), a discharge pipe (730), a protection box (740), a hair storage box (750), a protection cover (760), a handle (100), a protection shell (800), a control button (900), a single-chip microcomputer, and a collection plastic bag (780).

4. The electrically powered dermatome of claim 3 wherein: The protection shell (800) is arranged on the top of the protection box (740), and the inside of each of the two protection shells (800) is provided with a storage battery.

5. The electrically powered dermatome of claim 3 wherein: The control button (900) is arranged on one side of the handle (100).

6. The electrically powered medical scalping knife according to claim 5, characterized in that: The handle (100) is made of polypropylene, and the other side of the handle (100) is provided with a single-chip microcomputer.

7. The electrically powered medical scalping knife according to claim 6, characterized in that: The first electric telescopic rod (270), the torque motor (320), the second electric telescopic rod (3960) and the micro dust collector (720) are electrically connected with the single-chip microcomputer, and the single-chip microcomputer is electrically connected with the storage battery.

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