Surgical operation shearing skin preparation knife

Abstract

The utility model discloses a surgical operation shearing skin preparation knife which comprises a knife holder and a handle, the handle is connected to the surface of the knife holder, a first installation groove is formed in one side of the surface of the knife holder, a blade is fixedly arranged in an inner cavity of the first installation groove, and a second installation groove is formed in the surface of the other side of the surface of the knife holder. A fixed sawtooth blade is fixed to the second mounting groove, a movable sawtooth blade is movably arranged on the surface of the fixed sawtooth blade, a fixing frame is arranged in an inner cavity of the second mounting groove, a mounting plate is slidably arranged on the surface of the fixing frame, a driving motor is mounted on the surface of the mounting plate, and the power output end of the driving motor is connected with a driving rod. The skin preparation device has the advantages that hair on the surface of skin can be scraped off through the blades, meanwhile, long hair on the surface of the skin can be rapidly sheared through matching of the static sawtooth blade and the movable sawtooth blade, and the skin preparation efficiency can be improved through matching of shearing and scraping.

Description

Technical Field

[0001] The utility model relates to a skin preparation knife, in particular to a surgical hair cutting and skin preparation knife, belonging to the technical field of medical equipment. Background Art

[0002] It refers to the surgical preparation of shaving the hair at the corresponding part of the operation and cleaning the body surface. It is the work of cleaning the surgical area for patients who are going to undergo surgical operation before the operation. It is not as simple as removing body hair, but also includes skin cleaning. Sometimes, iodine scrubbing is required for the skin before the operation. When preparing the skin, the hair needs to be shaved off with a skin preparation knife.

[0003] The existing skin preparation knife shaves hair with a blade when in use. When preparing the skin, the blade can quickly shave off shorter and thinner hair, but the blade cannot quickly shave off longer and thicker hair, which will affect the skin preparation efficiency. In order to solve the above problems, the present application proposes a surgical hair cutting and skin preparation knife. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a surgical hair cutting and skin preparation knife.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A surgical hair cutting and skin preparation knife is designed, comprising a knife seat and a handle, wherein the handle is connected to the surface of the knife seat;

[0007] A mounting groove No. 1 is provided on one side of the surface of the knife seat, and a blade is fixedly arranged in the inner cavity of the mounting groove No. 1;

[0008] A No. 2 mounting groove is provided on the other side of the surface of the blade seat, a static serrated blade is fixed to the No. 2 mounting groove, a dynamic serrated blade is movably provided on the surface of the static serrated blade, a fixing frame is provided in the inner cavity of the No. 2 mounting groove, a mounting plate is slidably provided on the surface of the fixing frame, a driving motor is installed on the surface of the mounting plate, a driving rod is connected to the power output end of the driving motor, and a fixing seat is provided in the middle of the surface of the dynamic serrated blade.

[0009] Preferably, a shaft sleeve is provided in the inner cavity of the fixing seat, and the end of the driving rod is rotatably connected to the shaft sleeve.

[0010] Preferably, positioning posts are symmetrically provided on the surface of the stationary sawtooth blade, and moving grooves are symmetrically opened on the surface of the moving sawtooth blade, and the positioning posts are plugged into the moving grooves.

[0011] Preferably, dovetail seats are symmetrically provided on the bottom surface of the mounting plate, dovetail grooves are symmetrically provided on the surface of the fixing frame, and the dovetail seats are plugged into the dovetail grooves.

[0012] Preferably, a battery is provided on the surface of the mounting plate, and a switch is installed on the surface of the battery.

[0013] Preferably, the switch, battery and drive motor are electrically connected.

[0014] The utility model provides a surgical hair shearing and skin preparation knife, which has the beneficial effects of:

[0015] 1. The new type can shave off the hair on the skin surface through the blade. When the driving motor drives the driving rod, the driving rod can push the moving serrated blade to swing back and forth on the surface of the static serrated blade through the fixed seat. The static serrated blade and the moving serrated blade are plugged into the positioning column and the moving groove. The positioning column and the moving groove can match to limit the swing of the moving serrated blade. The static serrated blade and the moving serrated blade can be matched to quickly cut the longer hair on the skin surface. The skin preparation efficiency can be improved by matching hair cutting and shaving.

[0016] 2. In the present invention, the driving motor is a detachable structure, the knife holder is a disposable structure, the driving structure can be quickly disassembled and assembled, so that the driving structure can be recycled and the use cost can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a surgical hair shearing and skin preparation knife proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the blade installation structure of a surgical hair shearing and skin preparation knife proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the installation structure of a serrated blade of a surgical hair shearing and skin preparation knife proposed by the utility model;

[0020] Figure 4 The utility model is a schematic diagram of a driving structure of a movable sawtooth blade of a surgical hair shearing and skin preparation knife.

[0021] In the figure: 1. knife holder; 2. handle; 3. mounting slot No. 1; 4. blade; 5. mounting slot No. 2; 6. static serrated blade; 7. dynamic serrated blade; 8. positioning column; 9. movable slot; 10. driving motor; 11. fixing seat; 12. bushing; 13. driving rod; 14. mounting plate; 15. fixing bracket; 16. battery; 17. switch. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-4 , a surgical hair cutting and skin preparation knife, comprising a knife holder 1 and a handle 2, wherein the handle 2 is connected to the surface of the knife holder 1;

[0024] A first mounting groove 3 is provided on one side of the surface of the blade holder 1, and a blade 4 is fixedly disposed in the inner cavity of the first mounting groove 3;

[0025] A No. 2 mounting groove 5 is provided on the other side of the surface of the blade holder 1, a static serrated blade 6 is fixed to the No. 2 mounting groove 5, a dynamic serrated blade 7 is movably provided on the surface of the static serrated blade 6, a fixing frame 15 is provided in the inner cavity of the No. 2 mounting groove 5, a mounting plate 14 is slidably provided on the surface of the fixing frame 15, a driving motor 10 is installed on the surface of the mounting plate 14, a driving rod 13 is connected to the power output end of the driving motor 10, and a fixing seat 11 is provided in the middle of the surface of the dynamic serrated blade 7.

[0026] It should be noted that the blade holder 1 fixes the blade 4 through the No. 1 mounting groove 3, and the hair on the skin surface can be shaved off through the blade 4. The inner cavity of the No. 2 mounting groove 5 is installed with a static serrated blade 6 and a dynamic serrated blade 7. The bottom of the mounting plate 14 is plugged into the dovetail groove on the surface of the fixing frame 15 through a dovetail seat, and the drive motor 10 can be installed. The drive rod 13 connected to the power output end of the drive motor 10 is plugged into the shaft sleeve 12. When the drive motor 10 drives the drive rod 13, the drive rod 13 can push the dynamic serrated blade 7 to swing back and forth on the surface of the static serrated blade 6 through the fixing seat 11. The static serrated blade 6 and the dynamic serrated blade 7 are plugged into the moving groove 9 through the positioning column 8. The positioning column 8 and the moving groove 9 can match to limit the swing of the dynamic serrated blade 7. The static serrated blade 6 and the dynamic serrated blade 7 can be matched to quickly cut the longer hair on the skin surface. The skin preparation efficiency can be improved by matching hair cutting and shaving.

[0027] like Figure 3 and Figure 4 As shown, a shaft sleeve 12 is provided in the inner cavity of the fixing seat 11 , and the end of the driving rod 13 is rotatably connected to the shaft sleeve 12 .

[0028] It should be noted that the shaft sleeve 12 can reduce the friction between the fixing seat 11 and the driving rod 13 .

[0029] like Figure 3 As shown, the surface of the stationary sawtooth blade 6 is symmetrically provided with positioning posts 8, and the surface of the movable sawtooth blade 7 is symmetrically provided with moving grooves 9, and the positioning posts 8 are plugged into the moving grooves 9.

[0030] It should be noted that the positioning column 8 and the movable groove 9 can limit the swing of the movable sawtooth blade 7.

[0031] like Figure 3 and Figure 4 As shown, dovetail seats are symmetrically provided on the bottom surface of the mounting plate 14, and dovetail grooves are symmetrically provided on the surface of the fixing frame 15, and the dovetail seats are plugged into the dovetail grooves.

[0032] It should be noted that the dovetail seat and the dovetail groove are plugged into each other to realize the rapid disassembly and assembly of the mounting plate 14 .

[0033] like Figure 3 and 4 As shown, a battery 16 is disposed on the surface of the mounting plate 14 , a switch 17 is mounted on the surface of the battery 16 , and the switch 17 , the battery 16 and the driving motor 10 are electrically connected.

[0034] It should be noted that after the switch 17 is turned on, the battery 16 can be used to power the drive motor 10 , and the drive motor 10 is used to drive the movable sawtooth blade 7 .

[0035] Working principle: When in use, the blade holder 1 fixes the blade 4 through the No. 1 mounting groove 3, and the hair on the skin surface can be shaved off through the blade 4. The inner cavity of the No. 2 mounting groove 5 is installed with a static sawtooth blade 6 and a dynamic sawtooth blade 7. The bottom of the mounting plate 14 is plugged into the dovetail groove on the surface of the fixing frame 15 through the dovetail seat, and the drive motor 10 can be installed. The drive rod 13 connected to the power output end of the drive motor 10 is plugged into the shaft sleeve 12. When the drive motor 10 drives the drive rod 13, the drive rod 13 can push the dynamic sawtooth blade 7 to move between the static sawtooth blade 7 and the fixed seat 11. The surface of the blade 6 swings back and forth, and the static serrated blade 6 and the dynamic serrated blade 7 are connected by a positioning column 8 and a movable groove 9. The positioning column 8 and the movable groove 9 can match to limit the swing of the dynamic serrated blade 7. The static serrated blade 6 and the dynamic serrated blade 7 can be matched to quickly cut the longer hair on the skin surface. By matching hair cutting and shaving, the skin preparation efficiency can be improved. The driving motor 10 is a detachable structure, and the knife holder 1 is a disposable structure. The driving structure can be quickly disassembled and assembled to achieve the recycling of the driving structure, which can reduce the cost of use.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A surgical hair shearing and skin preparation knife, comprising a knife holder (1) and a handle (2), characterized in that: The handle (2) is connected to the surface of the knife seat (1); A first installation groove (3) is provided on one side of the surface of the blade holder (1), and a blade (4) is fixedly arranged in the inner cavity of the first installation groove (3); A second mounting groove (5) is provided on the other side of the surface of the blade holder (1), a static serrated blade (6) is fixed to the second mounting groove (5), a dynamic serrated blade (7) is movably provided on the surface of the static serrated blade (6), a fixing frame (15) is provided in the inner cavity of the second mounting groove (5), a mounting plate (14) is slidably provided on the surface of the fixing frame (15), a driving motor (10) is installed on the surface of the mounting plate (14), a driving rod (13) is connected to the power output end of the driving motor (10), and a fixing seat (11) is provided in the middle of the surface of the dynamic serrated blade (7).

2. A surgical hair shearing and skin preparation knife according to claim 1, characterized in that: The inner cavity of the fixing seat (11) is provided with a shaft sleeve (12), and the end of the driving rod (13) is rotatably connected to the shaft sleeve (12).

3. A surgical hair clipping and skin preparation knife according to claim 1, characterized in that: The surface of the stationary sawtooth blade (6) is symmetrically provided with positioning posts (8), and the surface of the movable sawtooth blade (7) is symmetrically provided with moving grooves (9), and the positioning posts (8) are plugged into the moving grooves (9).

4. A surgical hair clipping and skin preparation knife according to claim 1, characterized in that: The bottom surface of the mounting plate (14) is symmetrically provided with dovetail seats, and the surface of the fixing frame (15) is symmetrically provided with dovetail grooves, and the dovetail seats are plugged into the dovetail grooves.

5. A surgical hair clipping and skin preparation knife according to claim 1, characterized in that: A battery (16) is provided on the surface of the mounting plate (14), and a switch (17) is installed on the surface of the battery (16).

6. A surgical hair clipping and skin preparation knife according to claim 5, characterized in that: The switch (17), the battery (16) and the drive motor (10) are electrically connected.

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