Scratch-proof skin preparation knife

By integrating a liquid reservoir and comb structure into the skin preparation knife, the lubricant can be evenly applied, solving the problem of existing skin preparation knives easily scratching the skin, thus improving the work efficiency of medical staff and the safety of patients.

CN223604415UActive Publication Date: 2025-11-28BEIJING SIXTH HOSPITAL
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Patent Information

Application Number
CN202422918524.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-11-28
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing skin preparation knives do not have the function of applying lubricant, which leads to dry skin that is prone to scratches, affecting the work efficiency of medical staff and increasing the risk of infection for patients.

Method used

A scratch-resistant skin preparation knife has been designed, integrating a liquid storage tank, a liquid pump, a liquid flow channel, and a comb body. The comb body uses comb teeth and ball bearings to evenly apply lubricant to the skin, and the concealable blade design improves safety.

Benefits of technology

It achieves even application of lubricant, reduces skin abrasions, improves the work efficiency of medical staff, reduces the risk of infection for patients, and enhances the safety and convenience of the skin preparation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of skin preparation knives, and provides an anti-scratching skin preparation knife which comprises a shell, a blade movably arranged on the shell and a comb body arranged on the shell, the shell and the comb body are connected in a clamping mode through a clamping structure, the comb body comprises comb teeth provided with a liquid flowing channel and a liquid outlet, the liquid flowing channel is communicated with the liquid outlet, and the blade is arranged on the shell. A liquid storage box communicated with the liquid flowing channel is arranged in the shell, the liquid storage box pumps liquid into the liquid flowing channel through a liquid pump, the liquid flows out through a liquid outlet, and therefore the liquid is smeared on the skin of a patient. The lubricating oil can be evenly smeared on the skin of a patient, the trouble of additionally smearing the lubricating oil is omitted, the problem that the skin of the patient is prone to being scratched in the prior art is solved, and the working efficiency of medical workers is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of skin preparation knife, concretely is a kind of anti-scratch skin preparation knife. BACKGROUND

[0002] Preoperative skin preparation, i.e., preoperative skin preparation, is one of the surgical nursing technical operations. Skin preparation should remove the dirt on the surface of the skin and the hair affecting the surgical field in a short time without damaging the integrity of the skin as much as possible, remove temporary bacteria, reduce resident bacteria and inhibit their growth to reduce the risk of surgical site infection.

[0003] At present, the existing skin preparation knife does not have the function of applying lubricant, and dry skin can easily cause skin scratches, so medical staff need to use another tool to apply lubricant to the patient's skin, which is troublesome and seriously affects the work efficiency of medical staff. In addition, the lubricating effect of the existing lubricant used with the skin preparation knife is not good, which can easily cause the skin of the patient to be prepared for surgery to be infected. Therefore, the above problems need to be improved and developed. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of anti-scratch skin preparation knife, can be evenly applied with lubricating oil on the skin of patient, save the trouble of using another to apply lubricating oil, solve the problem of existing patient using easy scratch skin, improve the work efficiency of medical staff, specific implementation mode is as follows:

[0005] A kind of anti-scratch skin preparation knife, including shell, the blade movably arranged on shell, and the comb body arranged on shell, the shell is connected with the card joint structure of comb body between by clamping, the comb body includes the comb tooth with flow liquid passage and liquid outlet, the flow liquid passage is communicated with liquid outlet, the shell is provided with the liquid storage tank communicated with flow liquid passage, the liquid storage tank is extracted to flow liquid passage by liquid pump with liquid, and it is exported to be applied on the skin of patient by liquid outlet.

[0006] As a further scheme of the utility model, the clamping structure includes the buckle and the card slot matched with each other, the buckle is arranged on the comb body, the card slot is arranged on the shell, and the comb body is clamped and connected with the shell by the clamping of the buckle and the card slot.

[0007] As a further scheme of the utility model, the comb body includes the comb tooth, the flow liquid passage and the liquid outlet are arranged on the comb tooth, the comb tooth movably has a ball at the position corresponding to the liquid outlet, and the ball and the liquid outlet form a channel for liquid to flow out.

[0008] As a further scheme of the utility model, sponge ball is arranged in flow liquid passage, the sponge ball is annularly arranged in flow liquid passage, and the sponge ball is in abutment with the ball.

[0009] As a further scheme of the utility model, the comb tooth is provided with a flange, the flange is arranged at the end of the comb tooth, and the flange protrudes from the surface of the shell in the connected state of the comb tooth and the shell.

[0010] As a further scheme of the utility model, the shell is provided with a liquid inlet pipe, the liquid inlet pipe is communicated with the liquid storage tank, and a sealing cover for sealing the pipe end is arranged on the liquid inlet pipe.

[0011] As a further scheme of the utility model, the shell is provided with a support, and an angle adjusting mechanism is arranged between the support and the shell.

[0012] As a further scheme of the utility model, the angle adjusting mechanism comprises a connecting seat arranged on the shell, a locking assembly connected with the support, and a locking nut cooperatively connected with the locking assembly, and the support and the connecting seat are cooperatively connected through cooperation of the locking assembly and the locking nut.

[0013] As a further scheme of the utility model, the connecting seat is provided with a limiting groove, the locking assembly is provided with a positioning block corresponding to the limiting groove, and the locking assembly and the connecting seat are locked and connected through cooperation of the positioning block and the limiting groove.

[0014] As a further scheme of the utility model, the limiting groove and the positioning block are matched in shape.

[0015] Due to the adoption of the above technical scheme, the utility model has the beneficial technical effects that:

[0016] The utility model can uniformly apply the lubricating oil to the skin of the patient, saves the trouble of additionally applying the lubricating oil, solves the problem of easy scratching of the skin of the existing patient, and improves the work efficiency of the medical staff.

[0017] The utility model sets the moving mechanism to push the blade to move along the shell, so that the blade can be hidden in the inside of the shell when not in use, the patient or the medical staff is prevented from being accidentally injured by the blade, and the safety of the skin preparation knife is improved.

[0018] The utility model sets the sponge ball and the ball bearing in cooperation, can uniformly apply the lubricating oil to the skin of the patient, and can also absorb the excess lubricating oil flowing to the ball bearing through the sponge ball, so that the uniformity of the application of the lubricating oil is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of a scratch-preventing skin preparation knife in the embodiment of the utility model;

[0020] Figure 2 It is a left view of a scratch-preventing skin preparation knife in the embodiment of the utility model;

[0021] Figure 3It is the exploded view of a scratch-preventing skin-preparing knife in the embodiment of the utility model;

[0022] Figure 4 It is the structure schematic view of the comb body in the embodiment of the utility model;

[0023] Figure 5 It is the partial sectional view of a scratch-preventing skin-preparing knife in the embodiment of the utility model;

[0024] Figure 6 It is the structure of the utility model Figure 5 A part of the embodiment of the utility model is enlarged view;

[0025] Figure 7 It is the structure schematic view of the moving mechanism and the blade in the embodiment of the utility model.

[0026] Mark explanation:

[0027] 1, shell, 2, support, 3, comb body, 4, blade, 5, liquid inlet pipe, 6, moving mechanism, 7, locking assembly, 8, locking nut, 9, liquid storage tank, 10, liquid pump, 11, liquid passage,

[0028] Slot, 102, open slot, 103, connecting seat, 104, limiting groove,

[0029] Comb tooth, 302, ball, 303, sponge ball, 304, flange, 305, through hole, 306, buckle,

[0030] Liquid passage,

[0031] Screw rod, 602, telescopic rod, 603, base,

[0032] 701, positioning block. Specific implementation

[0033] The specific implementation of the utility model will be described below in combination with the drawings and embodiments:

[0034] It should be noted that the structure, proportion, size, etc. shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification, so that people skilled in the art can understand and read, and are not used to limit the implementation conditions of the utility model. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effect and purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model.

[0035] Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in this specification are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.

[0036] Example 1, combined with Figures 1 to 7 As shown, this embodiment provides a scratch-resistant skin preparation knife, including a housing 1, a blade 4 movably mounted on the housing 1, and a comb 3 mounted on the housing 1. The housing 1 and the comb 3 are connected by a snap-fit ​​structure. The comb 3 includes comb teeth 301 with a liquid flow channel 3011 and a liquid outlet. The liquid flow channel 3011 communicates with the liquid outlet. A liquid storage tank 9 communicating with the liquid flow channel 3011 is provided inside the housing 1. The liquid storage tank 9 draws liquid into the liquid flow channel 3011 through a liquid pump 10, and the liquid flows out through the liquid outlet, thereby being applied to the patient's skin. The lubricant flows to the patient's skin through the comb teeth 301 with the liquid outlet and is evenly applied to the patient's skin, eliminating the need for additional application of lubricant.

[0037] Specifically, such as Figure 4 As shown, the snap-fit ​​structure includes a buckle 306 and a slot that cooperate with each other. The buckle 306 is disposed on the comb body 3, and the slot is disposed on the outer shell 1. The comb body 3 is snapped into the outer shell 1 through the buckle 306 and the slot. The buckle 306 is an elastic buckle. In use, the buckle 306 is snapped into the slot, thereby realizing a detachable connection between the comb body 3 and the outer shell 1, which is simple and convenient.

[0038] Specifically, the liquid storage tank 9 and the comb body 3 are connected by a liquid passage pipe 11. The liquid pump 10 is installed on the liquid passage pipe 11. After the liquid in the liquid storage tank 9 is drawn by the liquid pump 10, it flows into the liquid flow channel 3011 through the liquid passage pipe 11.

[0039] Specifically, such as Figure 5 , Figure 6 As shown, the comb body 3 includes comb teeth 301. A fluid flow channel 3011 and a fluid outlet are disposed on the comb teeth 301. A ball bearing 302 is movably disposed on the comb teeth 301 corresponding to the fluid outlet position, forming a channel for fluid outflow between the ball bearing 302 and the fluid outlet. The comb body 3 has a through hole 305 communicating with the comb teeth 301. A ball socket is formed at the end of the comb teeth 301. The ball bearing 302 is rotatably disposed at the fluid outlet position, forming a channel with the ball socket for lubricating oil to flow out. In practical application, the ball bearing 302 contacts the patient's skin surface. When the ball bearing 302 rolls, lubricating oil can flow out through the channel formed by the ball bearing 302 and the ball socket, and be applied to the patient's skin, resulting in a more even application of the lubricating oil.

[0040] Specifically, sponge balls 303 are arranged in the flow liquid channel 3011, the sponge balls 303 are arranged annularly in the flow liquid channel 3011, and the sponge balls 303 abut the balls 302. The sponge balls 303 are arranged in an annular structure and on the inner wall of the flow liquid channel 3011, the sponge balls 303 abut the balls 302, and the excess lubricating oil on the surface of the balls 302 can be absorbed, so that the lubricating oil applied to the skin of the patient is more uniform.

[0041] Specifically, to facilitate the medical staff to detach the comb teeth 301 from the shell 1, flanges 304 are arranged on the comb teeth 301, the flanges 304 are arranged at the ends of the comb teeth 301, and the flanges 304 protrude from the surface of the shell 1 in the connected state of the comb teeth 301 and the shell 1. The flanges 304 are provided in two, and the two flanges 304 are arranged at the two ends of the comb teeth 301. When detaching, the medical staff only needs to hold the flanges 304 and pull the comb teeth 301 outward, so that the buckles 306 are separated from the clamping grooves.

[0042] Specifically, the shell 1 is provided with a liquid inlet pipe 5, the liquid inlet pipe 5 is communicated with a liquid storage tank 9, and a sealing cover is arranged on the liquid inlet pipe 5 to seal the pipe end. The liquid storage tank 9 needs to be filled with lubricating oil, the sealing cover is opened, a filling pipe provided with a lubricating oil container is aligned with the pipe opening of the liquid inlet pipe 5, and the lubricating oil is filled into the liquid storage tank 9.

[0043] Specifically, the shell 1 is provided with a support 2, and an angle adjusting mechanism is arranged between the support 2 and the shell 1. The angle adjusting mechanism comprises a connecting seat 103 arranged on the shell 1, a locking assembly 7 connected with the support 2, and a locking nut 8 cooperatively connected with the locking assembly 7, and the support 2 is cooperatively connected with the connecting seat 103 through the cooperation of the locking assembly 7 and the locking nut 8. In use, the locking nut 8 is loosened, the support 2 rotates relative to the connecting seat 103, and after being adjusted to a suitable angle, the support 2 is locked on the connecting seat 103 through the locking nut 8 and the locking assembly 7, so that the angle of the support 2 relative to the shell 1 can be adjusted, and the medical staff can easily find a suitable angle to hold the support 2.

[0044] Specifically, the connecting seat 103 is provided with a limiting groove 104, and the locking assembly 7 is provided with a positioning block 701 corresponding to the limiting groove, and the locking assembly 7 and the connecting seat 103 are locked by cooperation of the positioning block 701 and the limiting groove 104. The limiting groove 104 and the positioning block 701 are in shape matching. Preferably, the limiting groove 104 and the positioning block 701 are both provided in a hexagonal structure. The locking assembly 7 comprises a threaded rod, the positioning block 701 is arranged on the threaded rod, and after the positioning block 701 cooperates with the limiting groove 104, the locking nut 8 is cooperated with the threaded rod to fix the support 2 on the connecting seat 103. The cooperation of the positioning block 701 and the limiting groove 104 can prevent the support 2 from rotating relative to the connecting seat 103, so that the support 2 and the shell 1 are more stable.

[0045] Specifically, as shown in Figure 7 The shell 1 is provided with an opening groove 102 corresponding to the blade 4, and the mobile mechanism 6 is arranged between the blade 4 and the shell 1. The mobile mechanism 6 comprises a screw rod 601 threadedly connected with the shell 1, telescopic rods 602 arranged on both sides of the screw rod 601 and connected with the shell 1, and a base 603 connected with the screw rod 601 and the telescopic rods 602. The base 603 is connected with the blade 4 for fixing the blade 4. When the blade 4 is used, the screw rod 601 is rotated to drive the base 603 and the blade 4 to extend out of the opening groove 102, and the medical staff can use it. When not in use, the screw rod 601 can drive the blade 4 to be retracted into the cavity of the shell 1, thereby protecting the blade 4 and preventing the blade 4 from scratching the medical staff or the patient.

[0046] The working principle of the utility model is that when the medical staff uses it, first, the support 2 is adjusted to a suitable angle, then the threaded rod and the locking nut 8 are locked, and then the ball 302 is in contact with the skin surface of the patient. When the ball 302 rolls, the lubricating oil can flow out through the channel formed by the ball 302 and the ball socket and be applied to the skin of the patient. The screw rod 601 is rotated to drive the base 603 and the blade 4 to extend out of the opening groove 102. The medical staff adjusts the support 2 according to the hand holding angle to make the bottom end of the shell 1 align with the patient, and then uses the skin preparation knife. It is simple and convenient to use.

[0047] Many other changes and modifications can be made without departing from the concept and scope of the utility model. It should be understood that the utility model is not limited to the specific embodiments, and the scope of the utility model is defined by the appended claims.

Claims

1. A scratch-resistant skiving knife, characterized in that The utility model provides a kind of liquid applicator, including shell (1), movable blade (4) arranged on shell (1), and comb body (3) arranged on shell (1), and the shell (1) is connected with comb body (3) by clamping structure clamping connection, the comb body (3) includes comb tooth (301) with liquid flow channel (3011) and liquid outlet, the liquid flow channel (3011) is communicated with liquid outlet, the shell (1) is provided with liquid storage tank (9) communicated with liquid flow channel (3011), the liquid storage tank (9) is extracted to liquid flow channel (3011) by liquid pump (10), and it is exported to liquid outlet, to be applied on patient skin.

2. A scratch resistant skinner as defined in claim 1, wherein The clamping structure includes a clasp (306) and a clamping groove that cooperate with each other, the clasp (306) is arranged on the comb body (3), and the clamping groove is arranged on the shell (1). The comb body (3) is clamped and connected with the shell (1) by the clasp (306) and the clamping groove.

3. A scratch resistant skinner as defined in claim 1, wherein The comb body (3) includes comb tooth (301), and the liquid flow channel (3011) and the liquid outlet are arranged on the comb tooth (301). The comb tooth (301) movably arranged has a ball (302) corresponding to the position of the liquid outlet. The ball (302) and the liquid outlet form a channel for liquid to flow out.

4. A scratch resistant skinning knife according to claim 3, wherein, The liquid flow channel (3011) is provided with a sponge ball (303), and the sponge ball (303) is annularly arranged in the liquid flow channel (3011). The sponge ball (303) is in abutment with the ball (302).

5. A scratch resistant skinning knife according to claim 3, wherein, The comb tooth (301) is provided with a flange (304), and the flange (304) is arranged at the end of the comb tooth (301). In the connected state of the comb tooth (301) and the shell (1), the flange (304) protrudes from the surface of the shell (1).

6. A scratch resistant skinning knife according to claim 1, wherein, The shell (1) is provided with a liquid inlet pipe (5), and the liquid inlet pipe (5) is communicated with the liquid storage tank (9). The liquid inlet pipe (5) is provided with a sealing cover for sealing the end of the pipe.

7. The scratch-resistant skinning knife of claim 1, wherein, The shell (1) is provided with a support (2), and an angle adjusting mechanism is arranged between the support (2) and the shell (1).

8. A scratch resistant skinning knife according to claim 7, wherein, The angle adjusting mechanism includes a connecting seat (103) arranged on the shell (1), a locking assembly (7) connected with the support (2), and a locking nut (8) cooperatively connected with the locking assembly (7). The support (2) is cooperatively connected with the connecting seat (103) by cooperation of the locking assembly (7) and the locking nut (8).

9. A scratch resistant skinning knife according to claim 8, wherein, The connecting seat (103) is provided with a limiting groove (104), and the locking assembly (7) is provided with a positioning block (701) corresponding to the limiting groove. The locking assembly (7) is tightly connected with the connecting seat (103) by cooperation of the positioning block (701) and the limiting groove (104).

10. A scratch resistant skinning knife according to claim 9, wherein, The limiting groove (104) and the positioning block (701) are matched in shape.