CN218018634U - Skin preparation knife - Google Patents

Abstract

The utility model discloses a skin preparation sword, skin preparation sword includes tool bit and handle, the tool bit with the upper end of handle is connected, its characterized in that, still including collecting the bag, it is located to collect the bag the below of tool bit, it is equipped with the collection chamber to collect the bag sky to be equipped with towards top open-ended sack, the sack with collect the chamber intercommunication, the upper end of collecting the bag trailing flank with the leading flank of handle rotates to be connected, the collection bag can be around the axis rotation that extends along left right direction to keep the sack of collecting the bag towards the top. The utility model provides a skin preparation sword can be collected the hair of taking off, moreover, and the cost of manufacture is low, can wide application in places such as hospital, medical institution.

Description

Skin preparation knife

Technical Field

The utility model relates to the technical field of medical supplies, especially a skin preparation sword.

Background

Before the operation, a skin preparation knife is often used for unhairing and skin preparation of an operation position, so that the influence of hair on the operation is avoided. However, in the existing skin preparation knife, the hair is scattered on the ground, table surface, sickbed and other places of the ward during the depilation and skin preparation process, and is difficult to clean.

In order to solve the problem, some electric skin preparation knives are produced on the market, and the hair taken off is sucked into a box for collecting the hair through an air suction device, so that the hair is prevented from scattering to other places. However, in order to avoid cross infection among patients, the skin preparation knife used in hospitals is usually disposable, and one patient needs to be discarded after use, so that the electric skin preparation knife has high cost and is not suitable for hospitals.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a skin preparation knife.

The utility model provides a solution of its technical problem is:

the utility model provides a skin preparation sword, skin preparation sword includes tool bit and handle, the tool bit with the upper end of handle is connected, still including collecting the bag, it is located to collect the bag the below of tool bit, it is equipped with the collection chamber to collect the bag sky to be equipped with towards top open-ended sack, the sack with collect the chamber intercommunication, the upper end of collecting the bag trailing flank with the leading flank of handle rotates to be connected, the collection bag can rotate around the axis that extends along left right direction to the sack that keeps collecting the bag is towards the top.

The utility model discloses following beneficial effect has at least: medical staff can hold the handle by hands and use the cutter head to take off hairs on the position needing to be operated, so that the hairs are prevented from influencing the operation; moreover, the collection cavity with the upward bag opening is arranged, so that hair taken off by the cutter head can be collected, the hair is prevented from scattering to the ground, the table top, a sickbed and other places of a ward, and sanitation and cleanness are facilitated; the upper end of the collecting bag is rotatably connected with the front side face of the handle, the collecting bag can rotate around the position where the handle is connected with the collecting bag, the bag opening of the collecting bag can keep facing upwards under the action of gravity, and therefore the situation that the bag opening of the collecting bag cannot collect vertically falling hair to pollute the surrounding environment and the hair can be prevented from falling out of the bag opening when the directions or the inclination angles of the cutter head and the handle are changed is avoided; in addition, the utility model discloses a skin preparation sword low cost is fit for as disposable article wide application in hospital or medical institution, avoids skin preparation sword used repeatedly and leads to the cross infection between the patient.

As a further improvement of the technical scheme, a first sealing strip is arranged on the front wall surface of the collecting cavity, a second sealing strip is arranged on the rear wall surface of the collecting cavity, and the first sealing strip is movably connected with the second sealing strip. Set up first sealing strip and second sealing strip, can seal the sack of collecting the bag, after accomplishing the skin preparation operation, will collect the chamber and seal and become airtight space, abandon the skin preparation sword again, can avoid hair to fall out from the sack when abandoning and collect the chamber and polluted environment.

As a further improvement of the technical scheme, the first sealing strip is provided with a groove structure, the second sealing strip is provided with a rib structure, and the groove structure is connected with the rib structure in a clamped mode. Through pressing each other in the outside at the collection bag to first sealing strip and second sealing strip for the mutual joint of bead structure and groove structure realizes the closure of sack, and easy operation can not let the hair of collecting the intracavity stain medical staff's hand moreover.

As a further improvement of the above technical solution, the collecting bag is further provided with a flap piece, one end of the flap piece is connected with the front side surface of the collecting bag, the other end of the flap piece is provided with a first glue, and the flap piece can be wound to the rear of the handle from above the cutter head and is connected with the rear side surface of the collecting bag through the first glue. After accomplishing the skin preparation operation, will turn over the fold piece and upwards wind to the rear of collecting the bag from the place ahead of collecting the bag to the trailing flank that will turn over fold piece and collecting the bag through first gluing is connected fixedly, thereby can wrap up the tool bit, avoids when abandoning the skin preparation sword, and medical staff or the staff who is responsible for retrieving medical waste are cut to sharp tool bit.

As a further improvement of the technical scheme, the handle comprises a fixed rod and an adjusting rod, the upper end of the fixed rod is connected with the cutter head, the adjusting rod is hollow to form an adjusting cavity, the adjusting cavity is opened upwards, an internal thread structure is arranged on the inner wall surface of the adjusting cavity, an external thread structure is arranged on the outer wall surface of the fixed rod, and the internal thread structure is connected with the external thread structure in a matched mode. The fixing rod can move up and down relative to the adjusting rod, and the total length of the handle can be adjusted by adjusting the length of the fixing rod extending out of the opening above the adjusting cavity, so that the medical staff can extend the knife head of the skin preparation knife to the position of a patient needing to remove hair more conveniently, and skin preparation operation is facilitated; moreover, the length of the fixed rod extending out of the opening above the adjusting cavity is adjusted through threads, so that the structure is simple and the operation is convenient; in addition, after finishing using, can be with the dead lever complete screw in to adjusting the intracavity for the length of handle contracts to the shortest, abandons the skin preparation sword again, can reduce the occupation space of skin preparation sword, more does benefit to and retrieves the skin preparation sword.

As a further improvement of the technical scheme, the handle is further provided with a rotating block, the rotating block is provided with a rotating hole, and the fixing rod penetrates through the rotating hole and is connected with the hole wall of the rotating hole in a rotating mode. The rotatory piece can drive the collection bag and rotate the rear to the handle, and when the inclination of handle was too big, the tool bit removed the rear of handle, and the collection bag that is located the handle rear can be collected the hair that the tool bit cut, avoids hair pollution surrounding environment.

As a further improvement of the technical scheme, the handle further comprises an anti-skidding block, and the anti-skidding block is connected with the peripheral wall surface of the adjusting rod. The non-slip block can increase the friction between medical staff's hand and the handle, avoids at the in-process of skin preparation, takes place to skid between the handle of skin preparation sword and medical staff's the hand, and lets the skin preparation sword drop, cuts wound patient's skin even.

As a further improvement of the technical scheme, the cutter head comprises a blade, a guide sheet and a support, the upper end of the blade is connected with the support, the blade is located on the front side of the guide sheet, the upper end of the guide sheet is connected with the support, the lower end of the guide sheet is provided with a comb tooth structure, the comb tooth structure protrudes downwards from the lower end of the blade, and the support is connected with the upper end of the handle. When the operation of skin preparation is carried out, the comb tooth structure at the lower end of the guide piece is firstly contacted with the skin and the hair of a patient, the hair of the patient is combed, the hair is prevented from being disordered and influencing the cutting action of the blade, the hair can be guided into the groove by the comb tooth structure of the guide piece after being combed smoothly, the hair is contacted with the blade, the hair is cut through the lower end of the blade, and the skin preparation operation is completed.

As a further improvement of the technical scheme, the cutter head further comprises a lubricating pad, the rear side face of the lubricating pad is connected with the guide piece, and the front side face of the lubricating pad is connected with the blade. Before carrying out the skin preparation operation, can be earlier with the coating of lubricated liquid on the lubricating pad, when tool bit and patient's skin contact, lubricated liquid on the lubricating pad can lubricate patient's skin and hair, brings the sense of tearing for the patient when reducing blade cutting hair, reduces patient's discomfort.

As a further improvement of the above technical solution, the blade further includes a protection plate, an upper end of the protection plate is connected with the bracket, and a rear side of the protection plate is connected with a front side of the blade. The protection plate is arranged, so that the front side surface of the blade can be prevented from being exposed, and the blade is protected.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

FIG. 1 is a schematic view of the overall structure of a skin preparation knife according to an embodiment of the present invention;

FIG. 2 is a front view of the dermatome of the embodiment of the present invention;

FIG. 3 is a left side view of the dermatome of an embodiment of the present invention;

FIG. 4 is a rear view of the dermatome of an embodiment of the present invention;

fig. 5 is a left side view of the dermatome of the embodiment of the present invention in another state;

FIG. 6 is a left side view of a dermatome of another embodiment of the present invention;

FIG. 7 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

FIG. 8 is an enlarged view of B of FIG. 7;

FIG. 9 is an enlarged schematic view of C of FIG. 7;

FIG. 10 is a left side view of a dermatome having a rotating block in an embodiment of the present invention;

fig. 11 is a left side view of the embodiment of the present invention in another state of the dermatome having a rotating block.

Reference numerals: 100. a collection bag; 110. a collection chamber; 111. a second seal strip; 112. a first seal strip; 120. folding the sheet; 121. first glue paste; 200. a blade; 210. a support; 220. a guide piece; 221. a comb structure; 230. a lubrication pad; 240. a protection plate; 300. fixing the rod; 310. adjusting a rod; 320. anti-skid blocks; 330. the block is rotated.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments to be described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

Referring to fig. 1 to 5, an embodiment of the present invention provides a skin preparation knife, which can collect hair taken off, has a low manufacturing cost, and can be widely used in hospitals, medical institutions, and other places as a disposable product.

Specifically, the skin preparation knife in this embodiment includes a knife head, a handle, and a collection bag 100, the knife head is connected to the upper end of the handle, and the medical staff can hold the handle with the hand and use the knife head to scrape the hair at the position where the operation is to be performed. The collection bag 100 is disposed below the cutter head, and the upper end of the rear side surface of the collection bag 100 is connected to the front side surface of the handle, and the collection bag 100 is rotatable about the position where the handle is connected to the collection bag 100 and about an axis extending in the left-right direction.

It will be appreciated that the collecting bag 100 is hollow with a collecting chamber 110 and is provided with a mouth, which is open towards the upper side, which mouth communicates with the collecting chamber 110, from where the hairs can fall down into the collecting chamber 110 when the hair is taken off by the cutter head.

It will be appreciated that the razor of this embodiment is generally used in a standing position for depilation in the underarm etc. while the collection bag 100 remains positioned below the cutter head. Because collection bag 100 can rotate around the position that handle and collection bag 100 are connected, when the direction or the angle of needs transform tool bit and handle, collection bag 100 receives the effect of gravity and keeps vertical, and the sack of collecting bag 100 can keep in the below of tool bit, and when avoiding the direction or the inclination of tool bit and handle to change, the direction of sack also changes and can't collect the hair of perpendicular whereabouts.

In some embodiments, referring to fig. 6, the collection bag 100 is hinged to the handle by a hinge, so that the collection bag 100 and the handle are rotatably connected, and the mouth of the collection bag 100 can be kept open towards the upper side due to the gravity, thereby ensuring that hair scraped by the cutter head can fall into the collection cavity 110 of the collection bag 100.

In this embodiment, collection bag 100 is soft plastic bag, paper bag etc. and is connected through the mode of gluing between the upper end of collection bag 100 and the handle, owing to receive the effect of gravity, the trailing flank of collection bag 100 can take place to warp and fold, and the sack of collection bag 100 can keep towards the top opening to guarantee that the hair that the tool bit was scraped can drop in the collection chamber 110 of collection bag 100.

It can be appreciated that attaching the collection bag 100 to the handle using adhesive further reduces the cost of making the dermatome and is more desirable for disposability than attaching the collection bag 100 to the handle using a hinge.

Referring to fig. 7 to 9, in some embodiments, the mouth of the collecting bag 100 can be closed, so that the collecting chamber 110 becomes a closed space, and after the skin preparation work is completed, the mouth of the collecting bag 100 is closed, and then the skin preparation knife is discarded, so that the hair in the collecting chamber 110 can be prevented from falling out of the mouth to pollute the hospital environment.

In this embodiment, a first sealing strip 112 is disposed on the front wall of the collection chamber 110, and a second sealing strip 111 is disposed on the rear wall of the collection chamber 110, so that after the hair of the patient is scraped by the medical staff, the first sealing strip 112 and the second sealing strip 111 can be connected by pressing the front wall and the rear wall of the collection bag 100, thereby closing the mouth of the collection bag 100.

In some embodiments, the bag opening is sealed by an adhesive tape, the first sealing strip 112 and the second sealing strip 111 are both provided with double-sided adhesive tapes, after the preparation of the skin is completed, the surface layer of the double-sided adhesive tapes is torn, and then the first sealing strip 112 and the second sealing strip 111 are pressed against each other on the outer surface of the collection bag 100, so that the front wall surface and the rear wall surface of the collection cavity 110 can be stably attached, and the bag opening is sealed.

However, in the above embodiment, the medical staff is required to insert his hands into the collection chamber 110 to tear the surface layer of the double-sided adhesive tape, and the hairs in the collection chamber 110 may contaminate his hands. Moreover, after the surface layer of the double-sided adhesive tape is torn, hairs may be adhered to the double-sided adhesive tape, thereby affecting the adhesion capability between the double-sided adhesive tape and the front and rear wall surfaces of the collection chamber 110.

In the present embodiment, the first sealing strip 112 is provided with a groove structure extending in the left-right direction of the collection bag 100, and the second sealing strip 111 is provided with a rib structure extending in the left-right direction of the collection bag 100, the rib structure being capable of cooperating with the groove structure. When the first sealing strip 112 and the second sealing strip 111 are pressed against each other, the rib structure is clamped with the groove structure; and when the first sealing strip 112 and the second sealing strip 111 are subjected to a force to separate them from each other, the rib structure and the groove structure are separated from each other.

It can be understood that the collecting bag 100 of the present embodiment can conveniently close the mouth of the bag without the medical staff extending the hands into the collecting chamber 110, and the closing of the mouth of the bag can be realized by pressing the outer side wall surface of the collecting bag 100, so as to prevent the hairs in the collecting chamber 110 from contaminating the hands of the medical staff. Moreover, the first sealing tape 112 and the second sealing tape 111 are not easily adhered with hairs, thereby ensuring the stability of the connection between the first sealing tape 112 and the second sealing tape 111. In addition, the action of tearing off the surface layer of the double-sided adhesive tape is reduced, the operation is more convenient and quicker, and the garbage of tearing off the surface layer of the double-sided adhesive tape is also reduced.

In some embodiments, the first sealing tape 112 is provided with a plurality of groove structures arranged in the up-down direction of the collection bag 100, and the second sealing tape 111 is provided with a plurality of rib structures arranged in the up-down direction of the collection bag 100, the plurality of groove structures being engaged with the plurality of rib structures, respectively. The arrangement of the groove structures and the rib structures can further improve the sealing capability of the first sealing strip 112 and the second sealing strip 111, and further avoid the influence on the environment caused by the hair falling out of the collecting cavity 110.

In some embodiments, the collecting bag 100 is further provided with a flap 120, one end of the flap 120 is connected to the front side of the collecting bag 100, and the other end of the flap 120 is provided with a first sticker 121. It can be understood that the first sticker 121 is a double-sided adhesive tape, after the skin preparation work is completed, the surface layer of the first sticker 121 is torn off, the surface layer of the first sticker 121 is placed in the collection cavity 110, and the medical staff connects and fixes the first sealing strip 112 and the second sealing strip 111. At this time, the first glue 121 of the folding piece 120 faces forward, and the folding piece 120 is wound from the upper side of the cutter head, so that the first glue 121 reaches the rear of the handle and is then stuck forward to the rear side of the collecting bag 100, and thus, the folding piece 120 can be used for wrapping the cutter head, and medical staff is prevented from being cut or garbage is prevented from being recycled when the cutter head is discarded.

In some embodiments, the collecting bag 100 is provided with a second sticker, which is also a double-sided adhesive tape, on the rear wall of the collecting chamber 110, and the surface layer of the second sticker is torn off, enabling the second sticker to be connected to the front wall of the collecting chamber 110.

It can be understood that the second adhesive tape is located above the second sealing strip 111, the distance between the second adhesive tape and the second sealing strip 111 is greater than the distance from the connection point of the collecting bag 100 and the handle to the upper end of the cutter head, and the cutter head can rotate around the connection point of the collecting bag 100 and the handle and extend into the collecting cavity 110. After the skin preparation operation is completed, medical personnel firstly connect the first sealing strip 112 and the second sealing strip 111 to avoid hair flying out, then rotate the cutter head around the connecting point of the collecting bag 100 and the handle to the collecting cavity 110, then tear the surface layer of the second sticker, and connect the front wall surface and the rear wall surface of the collecting cavity 110 through the adhesion effect of the second sticker. Avoid the tool bit to fall out of collecting chamber 110, finally abandon medical waste recycling bin with the skin preparation sword, avoid the polluted environment.

In the above embodiment, the surface layer of the second sticker may be torn first, the torn garbage is discarded into the collection cavity 110, and then the second sealing strip 111 and the first sealing strip 112 are connected. It can be understood that the second adhesive sticker can be provided in one or more sections, and when the second adhesive sticker is provided in one section, the length of the second adhesive sticker should be greater than the width of the handle in the left-right direction, so as to avoid the handle from blocking the second adhesive sticker from being connected with the front wall of the collection cavity 110.

In some embodiments, the handle is adjustable in length to facilitate the extension of the blade head of the dermatome by medical personnel to the location where the patient needs to be depilated. In this embodiment, the handle includes a fixing lever 300 and an adjusting lever 310. The cutter head is connected with the upper end of the fixing rod 300, the adjusting rod 310 is hollow to form an adjusting cavity which is opened upwards, and the fixing rod 300 can extend downwards into the adjusting cavity from the upper opening of the adjusting cavity.

In some embodiments, the fixing rod 300 is provided with a plurality of adjusting holes, the adjusting holes are arranged along the length direction of the fixing rod 300, the adjusting rod 310 is provided with a fixing hole, the fixing hole can be communicated with one of the adjusting holes, and the skin preparation knife is provided with a bolt, which can be inserted into the fixing hole and one of the adjusting holes. When the fixing rod 300 moves up and down along the adjusting cavity, the fixing holes can be communicated with different adjusting holes, and then the fixing rod 300 and the adjusting rod 310 are fixed by using the bolt, so that the length of the handle can be adjusted.

However, in the above embodiment, the volume of the skin preparation knife is small, the bolt provided for the skin preparation knife is also small, and the bolt is easy to lose and inconvenient to operate when the length of the handle is adjusted.

In this embodiment, the outer circumferential wall surface of the fixing lever 300 is provided with an external thread structure, and the inner wall surface of the adjusting chamber is provided with an internal thread structure, and the internal thread structure and the external thread structure are cooperatively connected. The medical staff can change the length of the handle by rotating the adjusting rod 310 or the fixing rod 300, the operation is convenient, and no additional small parts are needed.

After the skin preparation operation is completed, the adjusting rod 310 can be separated from the fixing rod 300, and the adjusting rod 310 is placed in the collecting cavity 110, so that the length of the handle can be reduced, and the recovery is facilitated. Of course, the fixing rod 300 can also be extended into the innermost position of the adjusting cavity, so that the length of the handle is reduced, the occupied space is reduced, and the recovery is facilitated.

In some embodiments, referring to fig. 10 and 11, the handle is provided with a rotation block 330, the rotation block 330 being rotatable about an axis extending up and down, the rotation block 330 being connected to the collection bag 100, i.e. the collection bag 100 being rotatable about the connection point to the rotation block 330. It can be understood that, because the rotating block 330 can rotate around the axis extending up and down, the rotating block 330 can drive the collecting bag 100 to rotate to the rear side of the handle, when the inclination angle of the handle is too large, the cutter head rotates to the rear of the handle, and the collecting bag 100 rotating to the rear of the handle can collect the hair cut by the cutter head, so that the hair is prevented from scattering to the surrounding environment.

In this embodiment, the rotating block 330 is provided with a rotating hole, and the fixing rod 300 is inserted into the rotating hole and is rotatably connected with the hole wall of the rotating hole, so that the effect that the rotating block 330 can rotate around the central axis of the fixing rod 300 is achieved.

Specifically, the peripheral wall surface of the fixing rod 300 is provided with a circular groove, and the rotating block 330 is rotatably connected with the groove wall of the circular groove, so that the rotating block 330 can rotate around the central axis of the fixing rod 300, and the rotating block 330 is limited by the lower wall surface of the circular groove, and the rotating block 330 cannot slide down along the extending direction of the fixing rod 300 due to the action of gravity.

In some embodiments, the handle further comprises an anti-slip block 320, the anti-slip block 320 is connected with the peripheral wall surface of the adjusting rod 310, so that friction between the hands of the medical staff can be increased, and slipping between the handle of the skin preparation knife and the hands of the medical staff during skin preparation is avoided, so that the skin preparation knife falls off, and even cuts a patient.

It is understood that the anti-slip block 320 may be composed of a plurality of anti-slip bumps, or a plurality of anti-slip strips. The anti-slip blocks 320 may be made of rubber, silicone, etc., and are not limited in particular.

It will be appreciated that the cutter head includes a blade 200 and a holder 210, the upper end of the blade 200 being connected to the holder 210, the lower end of the blade 200 being capable of cutting hair, and the holder 210 being connected to the upper end of the handle.

In this embodiment, the cutter head further includes a guide plate 220, the upper end of the guide plate 220 is connected to the support 210, the guide plate 220 is located at the rear side of the blade 200, and the lower end of the guide plate is provided with a comb tooth structure 221, it can be understood that the comb tooth structure 221 includes a plurality of comb teeth, a groove is formed between two adjacent comb teeth, the lower end of the comb tooth structure 221 protrudes out of the lower end of the blade 200, and the upper end surface of the groove is higher than the lower end of the blade 200, so that hair can be combed.

It can be understood that, since the comb teeth structure 221 protrudes downwards from the lower end of the blade 200, when the skin preparation operation is performed, the comb teeth structure 221 contacts with the skin and hair of the patient first to comb the hair smoothly, and the upper end surface of the groove is higher than the lower end of the blade 200, so that the hair can be guided into the groove and contact with the lower end of the blade 200, and the hair is cut by the lower end of the blade 200, thereby completing the skin preparation operation.

It can be understood that before the skin preparation operation is performed by using the skin preparation knife, a lubricating liquid, such as soap liquid, is often applied on the skin of the patient by using cotton swabs or cotton, so that discomfort such as tearing of the skin of the patient caused by the skin preparation operation is avoided. However, the lubricating liquid is applied to the cotton swab or the cotton, and after the cotton swab or the cotton is applied, the cotton swab or the cotton needs to be discarded, and then the skin preparation knife is used for skin preparation, so that the operation is complicated.

In some embodiments, the cutting head further includes a lubrication pad 230, the lubrication pad 230 being located between the cutting blade 200 and the guide tab 220. The lubricating pad 230 can be made of materials such as cotton and sponge, and can absorb lubricating liquid, medical staff can smear the lubricating liquid on the lubricating pad 230, and then the hair of a patient can be combed, lubricated and depilated by directly using the cutter head, so that the hair combing device is very convenient.

In some embodiments, the blade 200 further includes a protection plate 240, an upper end of the protection plate 240 is connected to the bracket 210, and the protection plate 240 is located at a front side of the blade 200, so as to prevent a front portion of the blade 200 from being exposed and protect the blade 200.

In some embodiments, the protective plate 240 can wrap the side walls of the blade 200 to prevent the side walls of the blade 200 from accidentally injuring surrounding people.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above-described embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are to be included within the scope of the present invention defined by the claims.

Claims (10)

1. The utility model provides a skin preparation sword, skin preparation sword includes tool bit and handle, the tool bit with the upper end of handle is connected, its characterized in that still includes the collection bag, it is located to collect the bag the below of tool bit, it is equipped with the collection chamber to collect the bag sky to be equipped with towards top open-ended sack, the sack with collect the chamber intercommunication, collect the upper end of bag trailing flank with the leading flank of handle rotates to be connected, it can rotate around the axis that extends along left right direction to collect the bag to keep the sack of collecting the bag towards the top.

2. The skin preparation knife of claim 1, wherein a first sealing strip is disposed on a front wall surface of the collection chamber, a second sealing strip is disposed on a rear wall surface of the collection chamber, and the first sealing strip is movably connected with the second sealing strip.

3. The skin preparation knife of claim 2, wherein the first sealing strip is provided with a groove structure, the second sealing strip is provided with a rib structure, and the groove structure is clamped with the rib structure.

4. The skin preparation knife according to claim 3, wherein the collecting bag is further provided with a folding piece, one end of the folding piece is connected with the front side surface of the collecting bag, the other end of the folding piece is provided with a first adhesive tape, and the folding piece can be wound to the rear of the handle from the upper part of the knife head and is connected with the rear side surface of the collecting bag through the first adhesive tape.

5. The skin preparation knife of claim 1, wherein the handle comprises a fixing rod and an adjusting rod, the upper end of the fixing rod is connected with the knife head, the adjusting rod is hollow to form an adjusting cavity, the adjusting cavity is opened towards the upper part, an inner wall surface of the adjusting cavity is provided with an inner thread structure, an outer wall surface of the fixing rod is provided with an outer thread structure, and the inner thread structure is in fit connection with the outer thread structure.

6. The skin preparation knife of claim 5, wherein the handle is further provided with a rotating block, the rotating block is provided with a rotating hole, and the fixing rod is arranged in the rotating hole in a penetrating manner and is rotatably connected with the hole wall of the rotating hole.

7. The dermatome of claim 5, wherein the handle further comprises a non-slip block connected to a peripheral wall surface of the adjustment bar.

8. The skin preparation knife according to claim 1, wherein the knife head comprises a blade, a guide piece and a bracket, the upper end of the blade is connected with the bracket, the blade is positioned at the front side of the guide piece, the upper end of the guide piece is connected with the bracket, the lower end of the guide piece is provided with a comb tooth structure, the comb tooth structure protrudes downwards from the lower end of the blade, and the bracket is connected with the upper end of the handle.

9. The dermatome of claim 8, wherein the cutter head further includes a lubrication pad having a rear side surface connected to the guide blade and a front side surface connected to the blade.

10. The dermatome of claim 9, further comprising a guard plate, an upper end of the guard plate being connected to the bracket, a rear side of the guard plate being connected to a front side of the blade.

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