CN216180737U

CN216180737U - Multifunctional skin preparation knife

Info

Publication number: CN216180737U
Application number: CN202122547367.3U
Authority: CN
Inventors: 陈小兰
Original assignee: Luzhou Maternal And Child Health Care Hospital Luzhou Second People's Hospital
Current assignee: Luzhou Maternal And Child Health Care Hospital Luzhou Second People's Hospital
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-05
Anticipated expiration: 2031-10-21

Abstract

The utility model provides a multifunctional skin preparation knife which comprises a handle, a mounting seat and a shell, wherein a cavity is formed in the handle, penetrates through two ends of the handle, and is internally and slidably connected with a piston; a connecting groove and a liquid passage are arranged in the mounting seat, and the connecting groove is detachably connected with the handle; the outer wall of the mounting seat is fixedly provided with a plurality of comb teeth, the comb teeth are provided with liquid holes, the liquid channel is communicated with the connecting groove and the liquid holes, and cotton balls are filled in the liquid holes; the mounting seat is provided with a blade, the inner wall of the shell is provided with a pressing mechanism, and the pressing mechanism is abutted to the blade; one end of the shell is hinged to the mounting seat, and the other end of the shell is buckled with the mounting seat. The utility model can remove hairs when the lubricant is applied, and ensures that the lubricant can be applied to the roots of the hairs, thereby achieving the purpose of relieving pain and discomfort of patients, being convenient to remove the hairs, and effectively cleaning the blades.

Description

Multifunctional skin preparation knife

Technical Field

The utility model relates to the field of medical instruments, in particular to a multifunctional skin preparation knife.

Background

Skin preparation refers to operation preparation for shaving hair and cleaning the body surface of a patient at a corresponding position of a surgical operation, and is the work for cleaning the operation area of the patient to be subjected to the surgical operation before the operation, and a skin preparation knife is an operation tool for removing the hair.

The skin preparation knife comprises a knife handle, a base and a blade, wherein the base is used for fixing the blade, the base is fixed at the end part of the knife handle, the knife handle is used for holding and operating medical personnel, and the blade is used for shaving hair. Before the skin preparation knife removes hairs, a lubricant needs to be smeared on the hairs, the lubricant can relieve pain and discomfort of a patient, the hairs are convenient to remove, and meanwhile, the blades can be effectively cleaned. However, in the existing skin preparation process, the hair is lubricated and removed in two steps, and an operator is required to perform two different operations, so that the skin preparation speed of the hair is reduced; secondly, the blade cuts the root of the hair when removing the hair, and when the lubricant is applied independently, the lubricant is difficult to be applied to the root of the hair due to the shielding of the top of the hair, so that the applied lubricant does not achieve the desired effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional skin preparation knife, aiming at the defects of the prior art, the hair can be removed when a lubricant is applied, and the lubricant can be applied to the root of the hair, so that the aim of relieving pain and discomfort of a patient is fulfilled, the hair is conveniently removed, and the blade can be effectively cleaned.

The embodiment of the utility model is realized by the following technical scheme: a multifunctional skin preparation knife comprises a handle, a mounting seat and a shell, wherein a cavity is formed in the handle, penetrates through two ends of the handle, and is internally and slidably connected with a piston; a connecting groove and a liquid passage are arranged in the mounting seat, and the connecting groove is detachably connected with the handle; the outer wall of the mounting seat is fixedly provided with a plurality of comb teeth, the comb teeth are provided with liquid holes, the liquid channel is communicated with the connecting groove and the liquid holes, and cotton balls are filled in the liquid holes; the mounting seat is provided with a blade, the inner wall of the shell is provided with a pressing mechanism, and the pressing mechanism is abutted to the blade; one end of the shell is hinged to the mounting seat, and the other end of the shell is buckled with the mounting seat.

Further, an internal thread is arranged in the connecting groove, an external thread is arranged on the handle, and the handle is connected with the connecting groove through a thread.

Further, the liquid inlet of the liquid passage is positioned between the bottom of the connecting groove and the internal thread.

Furthermore, a liquid accumulation groove is formed in the comb teeth, the liquid holes penetrate through the inner wall of the liquid accumulation groove and the outer wall of the comb teeth, and cotton balls are filled in the liquid holes.

Further, a buffer cavity is arranged between the connecting groove and the comb teeth, and the buffer cavity is communicated with the liquid accumulating tanks through liquid passing channels.

Furthermore, a plurality of positioning columns are arranged on the end face of the mounting seat, a plurality of positioning holes are formed in the blade, and the positioning columns penetrate through the positioning holes.

Furthermore, the pressing mechanism comprises a pressing rod, a fixed shaft and a torsion spring, the fixed shaft is fixed on the shell, and the pressing rod is rotatably connected with the fixed shaft; one end of the torsion spring is fixedly connected with the fixed shaft, and the other end of the torsion spring is fixedly connected with the pressing rod.

Furthermore, a rubber pad is arranged on one end face of the pressing rod and is tightly attached to the blade.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

1. according to the utility model, the cavity, the liquid passage and the cotton ball are arranged, the cavity is used for storing the lubricant, the lubricant is absorbed by the cotton ball, and then the cotton ball is soaked, so that the lubricant can be smeared on the hair root by the cotton ball when the hair root is contacted with the cotton ball;

2. the utility model can remove hair when applying lubricant, and changes two operations into one operation, thereby improving the speed of skin preparation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic three-dimensional structure of the present invention;

icon: 1-mounting a base; 2-a positioning column; 3-a blade; 4-a housing; 5-a torsion spring; 6-a pressure lever; 7-rubber pad; 8, fixing the shaft; 9-comb teeth; 10-cotton ball; 11-a buffer chamber; 12-a liquid passage; 13-connecting grooves; 14-a sealing ring; 15-a handle; 16-a cavity; 17-piston.

Detailed Description

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the multifunctional skin preparation knife comprises a handle 15, a mounting seat 1 and a shell 4, wherein a cavity 16 is formed in the handle 15, the cavity 16 is used for storing lubricant, the cavity 16 penetrates through two ends of the handle 15, a piston 17 is slidably connected in the cavity 16, and the piston 17 seals the cavity 16 to prevent the lubricant in the cavity 16 from leaking; furthermore, one end of the cavity 16 is provided with a limit ring, and the limit ring limits the position of the piston 17 and prevents the piston 17 from separating from the cavity 16; the stop collar does not close the cavity 16, ensuring that the pressures at the two ends of the piston 17 are always balanced.

In the embodiment, a connecting groove 13 and a liquid passage 12 are arranged in the mounting seat 1, the connecting groove 13 is detachably connected with a handle 15, and the lubricant can flow to the connecting groove 13 from a cavity 16 and then flow to the liquid passage 12; the outer wall of the mounting seat 1 is fixedly provided with a plurality of comb teeth 9, and the comb teeth 9 comb the hair at the skin preparation part, so that the efficiency of shaving the hair by skin preparation is improved; this broach 9 is provided with the liquid hole, and emollient flows out from the liquid hole, and this logical liquid way 12 intercommunication spread groove 13 and liquid hole, emollient flow to the liquid hole through leading to liquid way 12, the intussuseption of liquid hole is filled with cotton ball 10, and cotton ball 10 absorbs emollient, when cotton ball 10 and hair root contact, can paint emollient at the hair root, both made things convenient for lubricated skin surface, can make things convenient for blade 3 again to follow the root cutting of hair, reaches the purpose of protection skin.

In this embodiment, the blade 3 is arranged on the mounting base 1, the position of the blade edge of the blade 3 is matched with that of the comb teeth 9, and the length of the comb teeth 9 is greater than the width of the blade edge of the blade 3, so that the purpose of combing hair first and then cutting hair is achieved; be equipped with hold-down mechanism on the 4 inner walls of shell, hold-down mechanism guarantees the stability of blade 3, prevents that blade 3 from appearing not hard up the condition, hold-down mechanism and 3 butts of blade.

In this embodiment, as shown in fig. 2, one end of the housing 4 is hinged to the mounting base 1, and the other end of the housing 4 is fastened to the mounting base 1, so as to achieve the purpose that the housing 4 encloses the blade 3 and reduce the possibility that the blade 3 accidentally injures medical staff.

In this embodiment, in order to realize the detachable connection between the connection groove 13 and the handle 15 and ensure the sealing performance between the inner wall of the connection groove 13 and the outer wall of the handle 15, an internal thread is provided in the connection groove 13, an external thread is provided on the handle 15, and the handle 15 and the connection groove 13 are connected through a thread.

Further, a sealing ring 14 is arranged between the handle 15 and the end face of the mounting seat 1, and the connecting groove 13 is located in the sealing ring 14, so that the sealing performance is improved, and the lubricant is prevented from leaking from the handle 15 and the connecting groove 13.

Furthermore, in order to avoid the situation that the handle 15 blocks the liquid inlet of the lubricant entering the liquid passage 12 after the connecting groove 13 is connected with the handle 15, the liquid inlet of the liquid passage 12 is located between the bottom of the connecting groove 13 and the internal thread.

In this embodiment, seted up the hydrops groove on the broach 9, the notch and the logical liquid hole intercommunication in hydrops groove, the liquid hole runs through hydrops inslot wall and broach 9 outer wall, the liquid downthehole packing has cotton ball 10, and the hydrops groove can deposit the emollient, and the cotton ball 10 of being convenient for absorbs the emollient.

In this embodiment, because there are a plurality of broach 9, every broach 9 all need have the effect of smearing the emollient, and the geometry of connecting groove 13 is limited, in order to avoid communicating too much through liquid way 12 from connecting groove 13, be provided with cushion chamber 11 between connecting groove 13 and the broach 9, through liquid way 12 including main road and branch in this embodiment, cushion chamber 11 only need a main road intercommunication with connecting groove 13, cushion chamber 11 all communicates through a plurality of branch with a plurality of ponding groove.

In this embodiment, in order to fix the position of the blade 3, a plurality of positioning posts 2 are disposed on the end surface of the mounting base 1, a plurality of positioning holes are disposed on the blade 3, and the positioning posts 2 pass through the positioning holes.

In the embodiment, in order to ensure that the pressing mechanism can continuously apply pressure to the blade 3, the pressing mechanism comprises a pressing rod 6, a fixed shaft 8 and a torsion spring 5, the fixed shaft 8 is fixed on the inner wall of the shell 4, the pressing rod 6 is rotatably connected with the fixed shaft 8, and the pressing rod 6 can rotate around the fixed shaft 8; one end of the torsion spring 5 is fixedly connected with the fixed shaft 8, the other end of the torsion spring 5 is fixedly connected with the pressing rod 6, the torsion spring 5 has elastic potential energy, the pressing rod 6 can be pressed on the blade 3 all the time, and the stability of the blade 3 is guaranteed.

Furthermore, a rubber pad 7 is arranged on the end face of the compression bar 6, which is in contact with the blade 3, the rubber pad 7 is tightly attached to the blade 3, and the rubber pad 7 can protect the blade 3 and prevent the blade 3 from being damaged by the compression bar 6.

In this embodiment, the surface of the handle 15 is provided with anti-slip threads.

In this embodiment, a multifunctional skin preparation knife works as follows:

s1: the blade 3 is well installed on the installation seat 1, the sealing cover is rotated, the sealing cover is buckled with the installation seat 1, and the pressure rod 6 is pressed on the surface of the blade 3 along with the sealing cover, so that the installation of the blade 3 is completed;

s2: injecting lubricant from one end of the handle 15 with external threads, and then connecting the handle 15 with the mounting seat 1 to complete the installation of the handle 15 and the injection of the lubricant;

s3: the operator holds the handle 15 to remove hairs; when the hair is removed, the comb teeth 9 comb the hair, the root of the hair can contact the cotton balls 10 on the comb teeth 9, so that the cotton balls 10 coat the lubricant on the root of the hair, the lubricant in the cavity 16 is continuously reduced along with the continuous consumption of the lubricant (namely, the pressure of the end, with the lubricant, of the piston 17 is smaller than that of the end, without the lubricant), of the piston 17 pushes the piston 17 to move under the action of the atmospheric pressure, the pressure matching of the two ends of the piston 17 is ensured, and the lubricant is ensured to smoothly flow out of the cavity 16 and be absorbed by the cotton balls 10.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional skin preparation knife is characterized in that: the handle comprises a handle (15), a mounting seat (1) and a shell (4), wherein a cavity (16) is formed in the handle (15), the cavity (16) penetrates through two ends of the handle (15), and a piston (17) is connected in the cavity (16) in a sliding manner; a connecting groove (13) and a liquid passage (12) are arranged in the mounting seat (1), and the connecting groove (13) is detachably connected with the handle (15); a plurality of comb teeth (9) are fixed on the outer wall of the mounting seat (1), liquid holes are formed in the comb teeth (9), the liquid passage (12) is communicated with the connecting groove (13) and the liquid holes, and cotton balls (10) are filled in the liquid holes; the blade (3) is arranged on the mounting seat (1), the pressing mechanism is arranged on the inner wall of the shell (4), and the pressing mechanism is abutted against the blade (3); one end of the shell (4) is hinged to the mounting seat (1), and the other end of the shell (4) is buckled with the mounting seat (1).

2. The multifunctional skin preparation knife according to claim 1, characterized in that: be provided with the internal thread in spread groove (13), be provided with the external screw thread on handle (15), handle (15) pass through threaded connection with spread groove (13).

3. The multifunctional skin preparation knife according to claim 2, characterized in that: the liquid inlet of the liquid passage (12) is positioned between the bottom of the connecting groove (13) and the internal thread.

4. The multifunctional skin preparation knife according to claim 1, characterized in that: the comb teeth (9) are provided with liquid accumulation tanks, liquid holes penetrate through the inner walls of the liquid accumulation tanks and the outer walls of the comb teeth (9), and cotton balls (10) are filled in the liquid holes.

5. The multifunctional skin preparation knife according to claim 4, wherein: a buffer cavity (11) is arranged between the connecting groove (13) and the comb teeth (9), and the buffer cavity (11) is communicated with the liquid accumulating tanks through liquid passages (12).

6. The multifunctional skin preparation knife according to claim 1, characterized in that: the end face of the mounting seat (1) is provided with a plurality of positioning columns (2), the blade (3) is provided with a plurality of positioning holes, and the positioning columns (2) penetrate through the positioning holes.

7. The multifunctional skin preparation knife according to claim 1, characterized in that: the pressing mechanism comprises a pressing rod (6), a fixed shaft (8) and a torsion spring (5), the fixed shaft (8) is fixed on the shell (4), and the pressing rod (6) is rotatably connected with the fixed shaft (8); one end of the torsion spring (5) is fixedly connected with the fixed shaft (8), and the other end of the torsion spring (5) is fixedly connected with the pressure lever (6).

8. The multifunctional skin preparation knife of claim 7, wherein: one end face of the pressure lever (6) is provided with a rubber pad (7), and the rubber pad (7) is tightly attached to the blade (3).