JPH02203852A - Skin cutting tool - Google Patents

Abstract

PURPOSE:To facilitate the pushing of a cut skin piece out of a cutting body part by inserting the cutting edge part having a cylindrical edge top, a handle mounted to the cutting edge part and a member provided integrally with and removably from the handle into the cutting edge part. CONSTITUTION:A cylindrical pushing member 4 is integrally provided on the rear end of a handle 1 through a thin bending port 5 provided along its circumferential edge. These handle 1 and pushing member 4 can be removed by bending the bending port 5. When a cylindrical edge top 3 is brought into contact with the skin and the handle is rotated, a cutting edge part 2 is also rotated together with the handle 1 to cut the skin in a circular form, and the cut skin piece is adhered to the inside of the edge top 3. Then, the pushing member 4 in the rear end of the handle 1 is broken off at the bending port 5 part. The broken pushing member 4 is turned in the longitudinally opposite direction, and a pushing bar 6 laid in the rear part is passed through the inside of the handle 1 from the rear end opening part of the handle and inserted into the cutting edge part 2. Consequently, as the pushing end surface 7 of the pushing bar 6 is brought into contact with the skin piece in the edge top 3 inside, the skin piece can be easily pushed out from the edge top 3.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a medical skin cutting tool having a cylindrical cutting edge.

[Prior Art] Conventionally, in this type of skin cutting tool, the skin can be cut in a circular shape by applying the cylindrical cutting edge formed at the front end of the blade to the skin and rotating the skin cutting tool. I was able to do it.

[Problems to be Solved by the Invention] However, in the above-mentioned skin excision tools, in order to take out the skin pieces that have been excised and adhered to the inside of the blade, tweezers or the like are inserted into the blade, and the tweezers or the like are inserted into the blade. It is necessary to pick out the skin piece from the front of the cutting edge, and there is a problem in that such work is time-consuming and troublesome.

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an object of the present invention is to provide a skin cutting tool that can extremely easily remove pieces of skin attached to the inside of the cutting edge.

[Means for Solving the Problems] In order to solve the above problems, the invention of the present application includes a blade portion having a cylindrical cutting edge for cutting the skin in a circular shape, and a handle attached to the blade portion. 41), and an extrusion member that is integrally provided with the same handle and removable therefrom, and is inserted into the blade (thereby pushing out the cut skin piece out of the blade). This is the summary.

[Function] In the skin excision tool configured as described above, the extrusion member is inserted into the blade portion and pushes the cut skin piece out of the blade portion.

Embodiment] A first embodiment embodying the present invention will be described below with reference to FIGS. 1 to 5.

As shown in FIG. 1, a small-diameter cylindrical blade portion 2 is fixed to the front shaft (left end) of a cylindrical handle 1.

A similarly cylindrical cutting edge 3 is formed at the tip of the cutting portion 2.

As shown in FIG. 1.5, a cylindrical extrusion member 4 is integrally provided at one end of the handle 1 through a thin folding opening 5 provided along its periphery.

The handle 1 and the extruded part 'vJ4 can be removed by folding the folding opening 5. A small-diameter cylindrical extrusion rod 6 is formed at the rear of the extrusion section) 4, and a circular extrusion end surface 7 is formed at the rear end of the extrusion rod 6. Extrusion rod 6
is longer than the length from the rear end of handle 1 to cutting edge 3.

Next, how to use the skin cutting tool constructed as described above will be explained.

In the state shown in Fig. 1, when the cylindrical cutting edge 3 is applied to the skin and the handle 1 is rotated, the blade part 2 is also rotated together with the handle 1, cutting off the skin in a circular shape, and the excised skin piece (Fig. (not shown) is attached to the inside of the cutting edge 3. Therefore, the extrusion member 4 at the rear end of the handle 1 is broken off at the folding edge 5.

Next, as shown in FIGS. 2 to 4, the extruded member 4 is broken off.
The push rod 6 at the rear is passed through the inside of the handle 1 from the rear end opening of the handle 1 and inserted into the blade part 2 with the front and back reversed. As a result, the extrusion end surface 7 of the extrusion rod 6 comes into contact with the piece of skin inside the cutting edge 3, so that the skin piece can be easily pushed forward and outward from the cutting edge 3.

Therefore, there is no need to bring a separate tool such as tweezers to take out the skin piece, and the skin piece can be taken out very easily.

Incidentally, the skin excision tool used in this manner is discarded as is.

Next, a second embodiment embodying the present invention will be described with reference to FIGS. 6 to 10.

As shown in Fig. 6.7.9, a small-diameter cylindrical blade portion 12 is fixed to the front end of the handle 11, which has a cylindrical front portion and a columnar rear portion. A similarly cylindrical cutting edge 13 is formed at the tip of the cutting portion 12.

A push-in groove 14 extending in the front-rear direction is provided at the rear of the handle 11, and the push-in groove 14 is open to both upper and lower surfaces of the handle 11 and to the rear surface.

A push-out member 16 is integrally provided at the rear of the handle 11 via two break-off portions 15 provided at the rear ends of both side surfaces 1/1a of the insertion groove 14. The extrusion member 16 is equipped with a small-diameter cylindrical extrusion rod 17 at its front part, and the extrusion rod 17 is fixed to the break-off part 15 at its rear part, and the extrusion rod 17 is inserted into the insertion groove 14. It is supposed to be located. or,
A circular extrusion end surface 18 is provided at the front of the extrusion rod 17,
A rectangular plate-shaped twisting portion 19 is provided at the rear end so as to be substantially horizontal. The extrusion member 16 can be removed from the handle 11 by 15 feet by being broken off at the break-off portion 15.

Next, how to use the skin excision tool configured as described above will be explained.

In the state shown in Fig. 6.7, when the cylindrical cutting edge 13 is applied to the skin and the handle 11 is rotated, the blade part 12 also rotates together with the handle 11, cutting the skin in a circular shape, and removing the skin pieces. (not shown) is attached to the inside of the cutting edge 13. Therefore, pattern 11
The extrusion member 16 integrally formed with the handle 11 is broken off at the break-off part 15 by twisting the twist part 19 in the circumferential direction of the handle 11, that is, in the direction of standing up. Next, as shown in FIG. 8.9, the twist portion 19 is slid forward along the insertion groove 14 provided in the handle 11. Then, the extruded member 16 that was broken off
The pushing rod 17 is inserted from the rear of the handle 11 into the blade portion 12 through the inside of the groove. As a result, the extrusion end surface 18 of the extrusion rod 17 comes into contact with the piece of skin inside the cutting edge 13, so that the skin piece can be easily pushed forward and outward from the cutting edge 13.

Therefore, there is no need to bring another tool such as the pincer 1 to remove the skin piece, and the skin piece can be taken out very easily.

Next, the third embodiment embodying the present invention will be described in 11th to 13th embodiments.
This will be explained according to the diagram.

As shown in FIGS. 11 to 13, a small-diameter cylindrical blade portion 22 is fixed to the front end of a handle 21 whose front portion is cylindrical and whose rear portion is cylindrical. A similarly cylindrical cutting edge 23 is formed at the tip of the cutting portion 22 .

A sliding groove 24 extending in the length direction is provided at the center of the handle 21 in the length direction, and the upper part of the groove 24 is located at the center of the handle 21.
The handle 21 is opened at the upper surface, and the lower part thereof is opened at the hollow part 21a in the handle 21. A push-out member 25 is integrally provided within the hollow portion 21a of the handle 21, and a sliding knob 26 fixed to the rear end of the push-out member 25 projects upward from the slide groove 24.

As shown in FIG. 11, the sliding knob 26 has a rear end surface 26a.
is the rear end surface 24 of the sliding groove 24. A sealing paper 27 is placed around the outer peripheral surface of the handle 21 and is fixed by abutting against the front end surface 26b of the sliding knob 26. paper 27
By breaking it, you can easily move forward.

The extrusion member 25 has a small diameter cylindrical extrusion rod 28 at its front part.
In the state shown in FIG. 11, the pushing rod 28 is inserted into the blade portion 22 to such an extent that its tip does not protrude forward from the cutting edge 23. A circular extrusion end surface 2 is provided at the front end of the extrusion rod 28.
9 is formed, and the pushing rod 28 is adapted to move forward in the same way as the sliding knob 26 is slid forward.

Next, how to use the skin excision tool configured as described above will be explained.

In the state shown in Fig. 11, place the cylindrical cutting edge 23 against the skin and
1 is rotated, the blade portion 22 also rotates together with the handle 21 to cut the skin in a circular shape, and the cut skin piece (not shown) adheres to the inside of the blade edge 23. Therefore, as shown in FIG. 12, by tearing the sealing paper 27 provided around the circumference of the handle 21, the sliding knob 26 provided on the extrusion member 25 is moved forward along the groove 24. Allows sliding. If the sliding knob 26 is slid forward in this state, the push rod 28 that has been inserted a little into the blade part 22 will be inserted deeply into the blade part 22 accordingly. As a result, the extrusion end surface 29 of the extrusion rod 28 comes into contact with the piece of skin inside the cutting edge 23, so that the skin piece can be easily pushed forward and outward from the cutting edge 23.

Therefore, there is no need to bring another tool such as the pincer 1 to remove the skin pieces, and the skin pieces can be easily removed in small pieces.

Next, a fourth embodiment of the present invention will be described with reference to FIGS. 14 to 17.

As shown in FIGS. 14 and 15, a small-diameter cylindrical blade portion 32 is fixed to the front end of a handle 31 whose front portion is cylindrical and whose rear portion is cylindrical. A similarly cylindrical cutting edge 33 is formed at the tip of the cutting portion 32 .

An insertion hole 34 is formed at the front end of the handle 31.
The upper part of 4 opens on the upper surface of the handle 31, and the lower part communicates with the inside of the blade part 32. Further, the handle 31 is provided with an insertion groove 35 extending in the length direction from approximately the center to the rear end, and the insertion groove 35 is open to both upper and lower surfaces of the handle 31 and to the rear surface.

A push-out member 37 is integrally provided at the rear of the handle 31 via two break-off parts 36 provided on the rear end surface of the handle 31. The extrusion member 37 is provided with a flexible small-diameter cylindrical extrusion rod 38 at its front portion, and the extrusion rod 38 is positioned within the insertion groove 35. The push-out rod 38 has a circular push-out end surface 39 at its front end, and a cylindrical twist portion 40 having the same diameter as the handle 31 at its rear end. The twisted portion 40 is fixed to the break-off portion 36 at its front end.

The extrusion member 37 is broken off at the break-off portion 36 to form the handle 31.
It is possible to leave from.

Next, how to use the skin excision tool configured as described above will be explained.

In the state shown in Fig. 14.15, when the handle 31 is rotated with the cylindrical cutting edge 33 in contact with the skin, the blade part 32 along with the handle 31 is rotated.
The blade is also rotated to cut off the skin in a circular shape, and the cut piece of skin (not shown in the figure) is attached to the inside of the cutting edge 33. Therefore, the extrusion member 37 formed integrally with the handle 31 is
By twisting 0 in the circumferential direction, it is broken off at the breaking part 36. Then, as shown in FIGS. 16 and 17, when the extrusion rod 38 of the extrusion member 37 that has been broken off is inserted into the communication hole 34 diagonally from the upper rear to the lower front, the extrusion rod 38 bends due to its own elasticity. The blade part 3 passes through the communication hole 34.
Enter 2. As a result, the extrusion end surface 39 of the extrusion rod 38
hits the skin piece inside the cutting edge 33, so the skin piece can be easily pushed forward and outward from the cutting edge 33.

Therefore, there is no need to bring another tool such as a pincer to remove the skin piece, and the skin piece can be taken out very easily.

Next, a fifth embodiment of the present invention will be described with reference to FIGS. 18 to 22.

As shown in FIG. 19, the front end of the cylindrical handle 41 is provided with a similarly cylindrical fitting portion 4'la. A small-diameter cylindrical blade portion 42 is fixed to the tip of the fitting portion 41a. A similarly cylindrical cutting edge 43 is formed at the tip of the cutting portion 42 .

An insertion hole 44 is formed at the front end of the handle 41.
The upper part of 4 opens on the upper surface of the handle 41, and the lower part communicates with the inside of the blade part 42. Furthermore, the fitting part 41a of the handle 41 has a first
As shown in Figures 8 to 20, the extrusion member 45 is integrally formed as follows.

As shown in FIG. 19, the extrusion member 45 has a flexible small-diameter cylindrical extrusion rod 46 at the rear.
A circular extruded end surface 47 is provided at the rear end of the holder 6 . The extrusion member 45 has a bottomed cylindrical cap portion 48 at the front portion. In the state shown in FIG. 18.20, the pushing rod 46 is inserted from the front end of the blade part 42 into the fitting part 41a and the hollow part 41b in the handle 7!11, and the cap part 48 of the pushing member 45 holds the blade part 42. It is fitted onto the fitting part 41a so as to cover it. The push-out member 45 can be removed from the handle 41 by pulling the cap 48 forward of the handle 41.

Next, how to use the skin excision tool configured as described above will be explained.

First, in the state shown in FIG. 18.20, the extrusion member 45 is separated from the handle 41 by pulling the cap portion 48 of the extrusion member 45 toward the front of the handle/I-1. By applying the exposed cylindrical cutting edge 43 to the skin and rotating the handle 41, the skin can be cut in a circular shape. The excised skin piece (not shown) adheres to the inside of the cutting edge 43. Therefore, as shown in FIGS. 16 and 17, when the push rod 46 of the detached push member 45 is inserted into the insertion hole 44 diagonally from the upper rear to the lower front, the push rod 46 curves due to its own elasticity. Then, it passes through the insertion hole 44 and enters into the blade portion 42. As a result, the extruded end surface 47 of the extruded rod 46 hits the skin piece inside the cutting edge 43, so that the same piece of skin is pushed into the cutting edge 43.
It can be easily pushed forward and outward.

[Advantageous Effects of the Invention 1] As explained above, the skin excision tool of the present invention has the advantage of being able to remove skin pieces attached to the inner peripheral surface of the cutting edge very easily without the need to bring a separate tool. It has a great effect.

[Brief explanation of the drawing]

1 to 5 show a first embodiment of the skin cutting tool according to the present invention, FIG. 1 is a perspective view of the skin cutting tool, FIG. 2 is an exploded perspective view with the extrusion member removed from the fold, and FIG. Figure 3 is a perspective view of the extrusion member inserted into the handle of the skin cutting tool, Figure 4 is a sectional view of the extrusion member inserted into the handle, and Figure 5 is a partially enlarged sectional view of the folded part. . 6 to 10 show a second embodiment of the skin resection tool according to the present invention, FIG. 6 is a perspective view of the skin resection tool, FIG. 7 is a plan view, and FIG. 8 is a handle of the skin resection tool. FIG. 9 is a perspective view with the extrusion member inserted, FIG. 9 is a sectional view with the extrusion member inserted, and FIG. 10 is an enlarged sectional view of A and -A in FIG. 7. 11 to 13 show a third embodiment of the skin cutting tool of the present invention, FIG. 11 is a perspective view of the skin cutting tool, and FIG. 12 shows the skin cutting tool in a state where the pushing member is slid forward. A perspective view, FIG.
b) is a sectional view taken along line B-8 in FIG. 13(a). 14th~
FIG. 17 shows a fourth embodiment of the skin cutting tool according to the present invention, FIG. 14 is a perspective view of the skin cutting tool, FIG. 15 is a plan view of the skin cutting tool, and FIG. FIG. 17 is a perspective view of the inserted state, and a sectional view of the extrusion member inserted into the handle. 18 to 22 show a fifth embodiment of the skin resection tool according to the present invention, FIG. 18 is a perspective view of the extrusion member attached to the handle of the skin resection tool, and FIG. 19 is a perspective view of the extrusion member attached to the handle of the skin removal tool.
The figure is an exploded perspective view of the skin excision tool with the extrusion member removed from the handle, Figure 20 is a sectional view of the skin excision implement in the state shown in Figure 18, and Figure 21 is the extrusion member of the skin excision tool inserted into the handle. FIG. 22 is a perspective view of the device in the open position, and a cross-sectional view of the device inserted into the handle. In the figure, 1, 11, 21, 31, 41 are handles, 2° 12.2
2, 32.42 are blade parts, 3.13, 23° 33.43 are cutting edges, and 4.16.25.37.45 are extrusion members. Patent applicant Agent of Kaijirushi Cutlery Development Center Co., Ltd.
Patent Attorney On 1) Hironobu 4a

Claims (1)

[Claims] 1. Cylindrical cutting edge for cutting the skin in a circular shape (3, 1
The blade part (2, 12, 22,
32, 42) and the same blade part (2, 12, 22, 32, 42)
) attached to the handle (1, 11, 21, 31, 41), and the blade part (2 ,12,
a pushing member (4, 16, 25, 37, 45) that is inserted into the blade portion (22, 32, 42) to push the cut skin piece out of the blade portion (2, 12, 22, 32, 42); A skin excision tool comprising: