JP7211828B2 - Scalpel mount - Google Patents

Description

TECHNICAL FIELD The present invention relates to a knife placement tool on which a medical knife is placed.

2. Description of the Related Art Conventionally, when placing a medical scalpel (hereinafter simply referred to as a "scalpel") used in a surgical operation, a knife placement tool as shown in Patent Document 1 is used. In addition, the knife placement tool is also used when a knife is transferred between a nurse and a surgeon. For example, when a surgeon hands a used scalpel to a nurse, the surgeon does not hand the knife directly to the nurse, but puts it on a knife holder held by the nurse. place. As a result, it is possible to prevent the hand from being damaged by the scalpel, thereby improving the safety of the medical staff.

In the medical instrument holder of Patent Literature 1, a plurality of rear partitions arranged in the left-right direction are provided at the rear end, which is the proximal end of the medical instrument holder, so that a plurality of scalpels can be arranged. A front portion of the medical device holder is surrounded by a side wall portion, and a plurality of intermediate partition portions are provided in a horizontal direction between the side wall portion and the rear partition portion.

Design Registration No. 1405264

By the way, in the medical device holder of Patent Document 1, the rear partition, the front side wall, and the intermediate partition are formed at the same height. Therefore, when a surgeon or the like inserts the grip portion of the knife between the rear partitions to place the knife, the knife first contacts the upper end of the intermediate partition, preventing the knife from being placed. There is a risk that In addition, the height of the front side wall and the rear partition is relatively low, and there is a possibility that the cutting edge and grip of the scalpel protrude upward from the side wall and the rear partition. In this case, there is a risk that the hand of a medical person or the like may accidentally touch the protruding portion of the knife, causing the knife to spring up from the medical instrument holder or causing a cut on the hand or the like of the medical person.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to easily and safely place a knife on a knife placing tool.

The invention according to claim 1 is a knife placement tool on which a medical knife is placed, comprising: a bottom plate part that extends vertically with respect to the vertical direction; a U-shaped front wall portion that protrudes upward; and a plurality of rear partition portions that are arranged in the left-right direction at the rear end portion of the bottom plate portion and each protrude upward from the rear end portion of the bottom plate portion. a plurality of middle partitions arranged in the front-rear direction with the plurality of rear partitions projecting upward from the bottom plate on the front side of the plurality of rear partitions, wherein the bottom plate, the front wall, The plurality of rear partitions and the plurality of intermediate partitions are integrally formed, and when a knife is placed, the grip portion of the knife is laterally adjacent to the plurality of rear partitions. It is arranged between two rear partitions, the cutting edge of the scalpel is arranged in a region surrounded by the front wall, and the height of the front wall and the height of each of the plurality of rear partitions are: A first inter-partition region, which is higher than the height of each of the plurality of intermediate partitions and is a region between the two rear partitions on the upper surface of the bottom plate, extends to the rear edge of the bottom plate. .

The invention according to claim 2 is the knife placement tool according to claim 1, wherein the height of the front wall and the height of each of the plurality of rear partitions are 20 mm or more.

The invention according to claim 3 is the knife placement tool according to claim 1 or 2, wherein the upper ends of the two rear partitions are placed between the two rear partitions. It is positioned above the upper end of the grip portion of the female.

The invention according to claim 4 is the knife placement tool according to any one of claims 1 to 3, wherein the region between the first partitions extends forward from between the two rear partitions. It is an inclined surface that extends and gradually rises toward the front.

The invention according to claim 5 is the knife placement tool according to any one of claims 1 to 4, wherein a pair of laterally opposed side surfaces of the two rear partitions are provided in the lateral direction. The inclination angle of one side surface with respect to the vertical imaginary plane is greater than the inclination angle of the other side surface.

The invention according to claim 6 is the knife placement tool according to any one of claims 1 to 5, wherein the front wall portion, the plurality of rear partitions and the plurality of intermediate partitions are arranged in the middle. In the lower surface of the bottom plate, the area below the front wall, the plurality of rear partitions, and the plurality of intermediate partitions and the surrounding area are at the same position in the vertical direction. To position.

The invention according to claim 7 is the knife placement tool according to any one of claims 1 to 6, in which a plurality of sets of rear partitions and intermediate partitions arranged in the front-rear direction are provided at the rear of each set. a connection partition projecting upward from the bottom plate between the partition and the intermediate partition and extending in the front-rear direction to connect the rear partition and the intermediate partition of each group; The height of the partition and the intermediate partition is higher than the vertical height of the connection partition.

The invention according to claim 8 is the knife placement tool according to any one of claims 1 to 7, wherein the lower surface of the bottom plate portion has an uneven structure.

The invention according to claim 9 is the knife placement tool according to claim 8, wherein the lower surface of the bottom plate portion has a smooth surface portion surrounding the concave-convex structure in a peripheral region of the lower surface.

The invention according to claim 10 is the knife placement tool according to claim 9, wherein the lower end surface of the smooth surface portion is located below the lower end of the uneven structure or between the lower end of the uneven structure. Located at the same vertical position.

The invention according to claim 11 is the knife placement tool according to any one of claims 1 to 10, wherein the knife plate protrudes upward from the bottom plate portion on the front side of the plurality of intermediate partition portions, and the Further comprising a front partition arranged in the front-rear direction with at least a part of the intermediate partitions among the plurality of intermediate partitions, wherein the height of the front wall and the height of each of the plurality of rear partitions are equal to the height of the front partition higher than the height of the part.

In the present invention, the knife can be placed easily and safely.

1 is a perspective view of a knife placing tool according to one embodiment; FIG. It is a top view of a knife placement tool. It is a side view of a knife placement tool. It is a bottom view of a knife placement tool. It is a sectional view of a knife mounting tool. It is a sectional view of a knife mounting tool. It is a sectional view of a knife mounting tool. FIG. 4 is a plan view showing a state in which a knife is placed on the knife placing tool; FIG. 4 is a side view showing a state in which a knife is placed on the knife placing tool; It is a bottom view of a knife placement tool. It is a sectional view of a knife mounting tool.

FIG. 1 is a perspective view showing a knife placement tool 1 according to one embodiment of the present invention. FIG. 2 is a plan view of the knife placing tool 1. FIG. FIG. 3 is a side view of the knife placing tool 1. FIG. 4 is a bottom view of the knife placement tool 1. FIG. FIG. 5 is a cross-sectional view of the knife placement tool 1 taken along the line VV in FIG. FIG. 6 is a cross-sectional view of the knife placement tool 1 taken along the line VI-VI in FIG. FIG. 7 is a cross-sectional view of the knife placing tool 1 taken along line VII-VII in FIG.

The scalpel holder 1 is a medical article on which a medical scalpel used in a surgical operation or the like is mounted, and is also called a scalpel holder, a scalpel case, or the like. The knife placing tool 1 is preferably made of hard resin. The color of the scalpel placement tool 1 is preferably a color (for example, a complementary color) different from the color of the surgical gown worn by the medical staff and the color of the drape covering the patient and the equipment table. Thereby, the position of the knife placing tool 1 can be easily visually recognized. The knife placement tool 1 is formed by injection molding or press molding, for example.

In the following description, the left-right direction of the knife placement tool 1 in FIG. 2 is simply referred to as the "left-right direction", and the up-down direction (that is, the longitudinal direction of the knife placement tool 1) in FIG. call. The upper side in FIG. 2 is the "front side" of the knife placing tool 1, and the lower side in FIG. In the knife placement tool 1, a medical knife is placed with its cutting edge directed forward so that the longitudinal direction of the medical knife is substantially parallel to the front-rear direction. Further, in the following description, the thickness direction of the knife placing tool 1 (that is, the direction perpendicular to the front-rear direction and the left-right direction) will be referred to as the "vertical direction". When the knife placement tool 1 is used, the vertical direction of the knife placement tool 1 does not necessarily have to match the direction of gravity.

The knife placement tool 1 includes a bottom plate portion 2 , a front wall portion 3 , a rear partition portion 4 , an intermediate partition portion 5 , a front partition portion 6 and a connection partition portion 7 . The bottom plate portion 2, the front wall portion 3, the rear partition portion 4, the intermediate partition portion 5, the front partition portion 6, and the connection partition portion 7 are a continuous member. In other words, the bottom plate portion 2, the front wall portion 3, the rear partition portion 4, the intermediate partition portion 5, the front partition portion 6 and the connection partition portion 7 are integrally formed. In the example shown in FIG. 1, a plurality of rear partitions 4, intermediate partitions 5, front partitions 6, and connection partitions 7 are provided.

The bottom plate portion 2 is a plate-like portion extending substantially perpendicularly to the vertical direction. The shape of the bottom plate portion 2 in plan view is a substantially rectangular shape in which the length in the front-rear direction is greater than the width in the left-right direction. The length of the bottom plate portion 2 in the front-rear direction is, for example, 10 cm to 20 cm. The width of the bottom plate portion 2 in the horizontal direction is, for example, 3 cm to 10 cm. The shape of the front edge of the bottom plate portion 2 in a plan view is a substantially arcuate shape in which the central portion in the left-right direction is curved so as to protrude forward. The shape of the rear edge of the bottom plate portion 2 in a plan view is a substantially linear shape substantially parallel to the left-right direction.

The front wall portion 3 is a wall-shaped portion (that is, a plate-shaped portion extending substantially parallel to the vertical direction) that protrudes upward from the front end portion and both side edges of the front portion of the bottom plate portion 2 . The shape of the front wall portion 3 in a plan view is substantially U-shaped (that is, substantially C-shaped) opening toward the rear. The front wall portion 3 is arranged along the front edge and the front portion of the side edge of the bottom plate portion 2 and surrounds about 1/3 to 1/2 of the front side of the bottom plate portion 2 . In other words, the length of the front wall portion 3 in the front-rear direction is about 1/3 to 1/2 of the length of the bottom plate portion 2 in the front-rear direction.

In the example shown in FIG. 1 , the vertical height of the front wall portion 3 (hereinafter also simply referred to as “height”) is approximately the same except for the rear end portions on both the left and right sides of the front wall portion 3 . The height of the front wall portion 3 is the vertical distance between the upper end of the front wall portion 3 and the bottom surface 22 of the bottom plate portion 2 (that is, the height from the bottom surface 22 of the bottom plate portion 2). The height of the front wall portion 3 does not include the height of the projections 27 of the concave-convex structure 26 to be described later. When the height of the front wall portion 3 differs depending on the position in the front-rear direction, etc., the height of the front wall portion 3 is the maximum height of the front wall portion 3 when comparing the heights of other parts. means. The same applies to the vertical heights of other parts. The height of the rear end portion of the front wall portion 3 decreases toward the rear. The height of the front wall portion 3 is, for example, 15 mm to 30 mm, preferably 20 mm or more, except for the rear end portions on both left and right sides.

The plurality of rear partitions 4 are arranged substantially parallel in the left-right direction at the rear end of the bottom plate portion 2 . The plurality of rear partitions 4 are arranged along the rear edge of the bottom plate portion 2 while being spaced apart from each other. Each of the plurality of rear partitions 4 is a substantially columnar (for example, substantially quadrangular prism or substantially quadrangular truncated pyramid) projecting upward from the rear end portion of the bottom plate portion 2 . The plurality of rear partitions 4 are arranged at positions spaced rearward from the rear end of the front wall portion 3 . In the example shown in FIG. 1, the number of rear partitions 4 is four. Of the four rear partitions 4 , the two rear partitions 4 positioned at both ends in the left-right direction are positioned at the side ends of the rear end of the bottom plate portion 2 . In addition, the number of the rear partitions 4 may be appropriately changed within a range of two or more.

The vertical heights of the plurality of rear partitions 4 are approximately the same. The height of the rear partition part 4 is approximately the same as the height of the front wall part 3, for example. The height of the rear partition 4 is, for example, 15 mm to 30 mm, preferably 20 mm or more. The length L4 of the rear partition portion 4 in the front-rear direction is, for example, 10 mm to 25 mm.

Of the plurality of rear partitions 4, each two rear partitions 4 adjacent in the left-right direction have a pair of side surfaces 41 (hereinafter referred to as "rear partition side surfaces 41") facing each other in the left-right direction of the two rear partitions 4. ) is a substantially plane that separates in the left-right direction as it goes upward from the bottom plate portion 2 . In other words, the gap 42 between the pair of rear partition side surfaces 41 gradually expands in the left-right direction as it goes upward from the bottom plate portion 2 . In the example shown in FIG. 2, the gap 42 extends forward from between the pair of rear partition side surfaces 41, passes between a pair of connection partition side surfaces 71 (to be described later), and enters between a pair of intermediate partition side surfaces 51. reach. In addition, the knife placement tool 1 is provided with three gaps 42 . The number of gaps 42 may be changed as appropriate.

Of the pair of rear partition side surfaces 41 sandwiching each gap 42, the rear partition side surface 41 positioned on the right side in FIG. Further, the rear partition side surface 41 positioned on the left side in FIG. 5 is an inclined surface inclined at an inclination angle β with respect to a virtual plane perpendicular to the left-right direction. In the example shown in FIG. 5, the tilt angle α is greater than the tilt angle β. The inclination angle α is, for example, greater than 0° and equal to or less than 20°. The inclination angle β is, for example, greater than 0° and 15° or less. In the pair of rear partition side surfaces 41, the rear partition side surface 41 with the inclination angle α may be positioned on the left side in FIG. 5, and the rear partition side surface 41 with the inclination angle β may be positioned on the right side in FIG.

The plurality of intermediate partitions 5 are positioned between the front wall portion 3 and the plurality of rear partitions 4 in the front-rear direction, and are arranged substantially parallel in the left-right direction. Specifically, the plurality of intermediate partitions 5 are positioned rearwardly away from the rear end of the front wall portion 3 , and are arranged on the front side of the plurality of rear partitions 4 . Each of the plurality of intermediate partitions 5 is a substantially pillar-shaped (for example, substantially square pillar-shaped or substantially square-pyramidal truncated) portion protruding upward from the bottom plate portion 2 . The plurality of intermediate partitions 5 are arranged in the front-rear direction with the plurality of rear partitions 4 while being spaced apart from each other. In other words, the plurality of middle partitions 5 are located at substantially the same positions in the left-right direction as the plurality of rear partitions 4 . In the example shown in FIG. 1, the number of intermediate partitions 5 is four. Of the four intermediate partitions 5 , the two intermediate partitions 5 located at both ends in the left-right direction are located at the side ends of the bottom plate portion 2 . It should be noted that the number of intermediate partitions 5 may also be appropriately changed within the range of two or more, as with the rear partitions 4 .

The vertical heights of the plurality of intermediate partitions 5 are approximately the same. The height of the middle partition 5 is lower than the height of the front wall 3 and the height of the rear partition 4 . In other words, the height of the front wall portion 3 and the height of each of the plurality of rear partitions 4 are higher than the height of each of the plurality of intermediate partitions 5 . The height of the intermediate partition 5 is, for example, 10 mm to 20 mm, preferably 15 mm or more. The length L5 of the intermediate partition 5 in the front-rear direction is, for example, 5 mm to 15 mm.

Of the plurality of intermediate partitions 5, each two intermediate partitions 5 adjacent in the left-right direction have a pair of side surfaces 51 (hereinafter referred to as "intermediate partition side surfaces 51") facing each other in the left-right direction of the two intermediate partitions 5. ) is a substantially plane that separates in the left-right direction as it goes upward from the bottom plate portion 2 . In other words, the gap 42 between the pair of intermediate partition side surfaces 51 gradually expands in the left-right direction as it goes upward from the bottom plate portion 2 . Each of the pair of intermediate partition side surfaces 51 is an inclined surface that is inclined at approximately the same angle as the pair of rear partition side surfaces 41 described above.

The plurality of connection partitions 7 are positioned between the plurality of intermediate partitions 5 and the plurality of rear partitions 4 in the front-rear direction, and are arranged substantially parallel in the left-right direction. The connecting partition portion 7 is arranged between each pair of the rear partition portion 4 and the intermediate partition portion 5 for the plurality of pairs of the rear partition portion 4 and the intermediate partition portion 5 arranged in the front-rear direction. Connect part 5. Each of the plurality of connection partitions 7 is a substantially columnar portion (for example, substantially quadrangular columnar shape or substantially quadrangular truncated pyramidal shape) projecting upward from the bottom plate portion 2 and extending in the front-rear direction. The plurality of connection partitions 7 are arranged in the front-rear direction with the plurality of rear partitions 4 and the plurality of intermediate partitions 5 while being spaced apart from each other. In other words, the plurality of connection partitions 7 are positioned at substantially the same positions in the left-right direction as the plurality of rear partitions 4 and the plurality of intermediate partitions 5, respectively. In the example shown in FIG. 1, the number of connection partitions 7 is four. Of the four connection partitions 7 , the two connection partitions 7 positioned at both ends in the left-right direction are positioned at the side ends of the bottom plate portion 2 . The number of connection partitions 7 may also be appropriately changed within the range of two or more, like the rear partitions 4 and the intermediate partitions 5 .

The vertical heights of the plurality of connection partitions 7 are approximately the same. The height of the connection partition 7 is lower than the height of the intermediate partition 5 and the height of the rear partition 4, for example. In other words, the height of each pair of the rear partitions 4 and the middle partitions 5 arranged in the front-rear direction is higher than the height of the connection partitions 7 . The height of the connection partition 7 is, for example, 5 mm to 15 mm, preferably 10 mm or more. The length L7 of the connecting partition portion 7 in the front-rear direction is, for example, 5 mm to 25 mm.

Among the plurality of connection partitions 7, in each two connection partitions 7 adjacent in the left-right direction, a pair of side surfaces 71 (hereinafter referred to as "connection partition side surfaces 71") facing each other in the left-right direction of the two connection partitions 7 ) is a substantially plane that separates in the left-right direction as it goes upward from the bottom plate portion 2 . In other words, the gap 42 between the pair of connection partition side surfaces 71 gradually expands in the left-right direction as it goes upward from the bottom plate portion 2 . Each of the pair of connecting partition side surfaces 71 is an inclined surface inclined at approximately the same inclination angle as the pair of rear partition side surfaces 41 and the pair of intermediate partition side surfaces 51 described above.

The width in the left-right direction at the bottom of the gap 42 is approximately the same at any position in the front-rear direction, for example. In other words, on the upper surface 21 of the bottom plate portion 2, the left and right sides of a region 23 extending forward from between two rear partition portions 4 adjacent in the left-right direction (hereinafter referred to as "first inter-partition portion region 23"). The width in the direction is approximately constant over substantially the entire length of the first inter-partition region 23 in the front-rear direction. The width of the first inter-partition region 23 is, for example, 5 mm to 10 mm. As shown in FIG. 6 , the first inter-partition region 23 is an inclined surface that gradually rises forward from the rear edge of the bottom plate portion 2 . The inclination angle of the first inter-partition region 23 with respect to the horizontal plane is, for example, 0.5° to 3°.

The plurality of front partitions 6 are positioned between the front end portion of the front wall portion 3 and the plurality of intermediate partitions 5 in the front-rear direction, and are arranged substantially parallel in the left-right direction. Specifically, the plurality of front partitions 6 are located at approximately the same positions in the front-rear direction as the rear ends of the left and right sides of the front wall 3 , and are arranged on the front side of the plurality of intermediate partitions 5 . Each of the plurality of front partitions 6 is a substantially pillar-shaped (for example, substantially quadrangular pillar-shaped or substantially truncated quadrangular pyramid-shaped) part projecting upward from the bottom plate portion 2 . The plurality of front partitions 6 are arranged in the front-rear direction with the plurality of middle partitions 5 while being spaced apart from each other. In other words, the plurality of front partitions 6 are located at substantially the same positions in the left-right direction as the plurality of middle partitions 5 . In the example shown in FIG. 1, the number of front partitions 6 is four. Of the four front partitions 6, the two front partitions 6 positioned at both ends in the left-right direction are positioned near the side ends of the bottom plate 2, and are positioned near the rear ends of the front wall 3 on both sides in the left-right direction. continuous to Note that the number of front partitions 6 may be changed as appropriate.

The vertical heights of the plurality of front partitions 6 are approximately the same. The height of the front partition 6 is lower than the height of the front wall 3 and the height of the rear partition 4, for example. In other words, the height of the front wall portion 3 and the height of each of the plurality of rear partitions 4 are higher than the height of each of the plurality of front partitions 6 . The height of the front partition 6 is higher than the height of the middle partition 5, for example. The height of the front partition 6 is, for example, 10 mm to 25 mm, preferably 15 mm or more. A length L6 of the front partition portion 6 in the front-rear direction is, for example, 5 mm to 10 mm.

Of the plurality of front partitions 6, each two front partitions 6 adjacent in the left-right direction have a pair of side surfaces 61 (hereinafter referred to as "front partition side surfaces 61") facing each other in the left-right direction of the two front partitions 6. ) is a substantially plane that separates in the left-right direction as it goes upward from the bottom plate portion 2 . In other words, the gap 62 between the pair of front partition side surfaces 61 gradually expands in the left-right direction as it goes upward from the bottom plate portion 2 . The gap 62 is aligned in the front-rear direction with the above-described gap 42 . The number of gaps 62 is the same as the number of gaps 42 described above. Each of the pair of front partition side surfaces 61 is an inclined surface inclined at approximately the same angle of inclination as the pair of rear partition side surfaces 41 described above.

The width in the left-right direction at the bottom of the gap 62 is approximately the same at any position in the front-rear direction, for example. In other words, in the upper surface 21 of the bottom plate portion 2, a region 24 extending in the front-rear direction between the two front partitions 6 adjacent in the left-right direction (hereinafter referred to as "second partition-to-partition region 24"). is approximately constant over substantially the entire length of the second inter-partition region 24 in the front-rear direction. The width of the second inter-partition region 24 is, for example, 5 mm to 10 mm, like the first inter-partition region 23 described above.

The second inter-partition region 24 is arranged in the front-rear direction with the first inter-partition region 23 . As shown in FIG. 6, the second inter-partition region 24 is a slanted surface that gradually rises from the rear side toward the front side. The inclination angle of the second inter-partition region 24 with respect to the horizontal plane is approximately the same as the inclination angle of the first inter-partition region 23 with respect to the horizontal plane. The second inter-partition region 24 is positioned on a virtual plane (indicated by a chain double-dashed line in FIG. 6) extending the first inter-partition region 23 forward.

An upper surface 21 of the bottom plate portion 2 is provided with recesses 25 positioned between the plurality of front partitions 6 and the plurality of intermediate partitions 5 . In the example shown in FIG. 1, three substantially rectangular concave portions 25 are arranged in the horizontal direction in plan view. Each recess 25 is arranged between the first inter-partition region 23 and the second inter-partition region 24 aligned in the front-rear direction, and is aligned in the front-rear direction with the first inter-partition region 23 and the second inter-partition region 24 . .

As shown in FIG. 7, each of the rear partitions 4, the connection partitions 7, the intermediate partitions 5, and the front partitions 6 does not substantially include a cavity from the upper end to the bottom plate portion 2. It preferably has a solid structure. The cavity means a space intentionally provided at the time of manufacturing the knife placing tool 1 . On the lower surface 22 of the bottom plate portion 2, there are regions located below the rear partitions 4, the connection partitions 7, the intermediate partitions 5, and the front partitions 6, and the surrounding regions. (For example, the region below the first inter-partition region 23 and the second inter-partition region 24) are located at substantially the same position in the vertical direction.

The bottom surface 22 of the bottom plate portion 2 has an uneven structure 26 . In the example shown in FIG. 4, each of the large number of rectangles arranged in a grid pattern is a small projection 27 projecting downward. The convex portion 27 is, for example, a square-pyramid (so-called pyramid)-shaped convex portion having a bottom surface located on the upper side and a zenith located on the lower side. In FIG. 4, the oblique side of the quadrangular pyramid is omitted for convenience of illustration. The plurality of protrusions 27 are arranged substantially evenly in a direction inclined at a predetermined angle (for example, 45°) with respect to the front-rear direction. The height of the projection 27 in the vertical direction is, for example, 1 mm to 2 mm. The vertical height of the bottom plate portion 2 that does not include the projections 27 of the uneven structure 26 (that is, the plate thickness of the bottom plate portion 2) is, for example, 1 mm to 2 mm.

FIG. 8 is a plan view showing a state in which the knife 9 is placed on the knife placing tool 1. FIG. FIG. 9 is a side view showing a state in which the knife 9 is placed on the knife placing tool 1. FIG. The gripping portion 91 (that is, the handle portion excluding the cutting edge portion 92) of the knife 9 is arranged between two rear partition portions 4 adjacent in the left-right direction among the plurality of rear partition portions 4 of the knife placement tool 1. be. In addition, the gripping portion 91 of the knife 9 is also located between the two connection partitions 7 and the two intermediate partitions 5 that are continuous with the two rear partitions 4 . Furthermore, the gripping portion 91 of the knife 9 is also positioned between the two rear partition side surfaces 41 and the two front partition side surfaces 61 aligned in the front-rear direction.

The grasping portion 91 of the knife 9 contacts the upper surface 21 of the bottom plate portion 2 in the first inter-partition region 23 and the second inter-partition region 24 and is supported by the bottom plate portion 2 from below. 8 of the two rear partitions 4, and is laterally supported by the rear partition side 41. As shown in FIG. The grasping portion 91 of the knife 9 also contacts the connection partition side surface 71, the intermediate partition side surface 51, and the front partition side surface 61 on the right side in FIG. In other words, the knife 9 is placed on the bottom plate portion 2 of the knife placement tool 1 while being inclined to the right in FIG. Note that the grasping portion 91 of the knife 9 does not contact the bottom plate portion 2 above the concave portion 25 .

A cutting edge portion 92 of the knife 9 is arranged in a region 31 surrounded by the front wall portion 3 (hereinafter referred to as "front region 31"). The front region 31 extends from the front end of the front wall portion 3 to the rear ends on both the left and right sides in the front-rear direction. Further, the front region 31 is located on the front side of the front partition portion 6 . In other words, the front region 31 is a space surrounded by the U-shaped front wall portion 3 and the plurality of front partitions 6 . The front region 31 has a substantially rectangular shape in plan view. The cutting edge portion 92 of the knife 9 is spaced upward from the upper surface 21 of the bottom plate portion 2 in the front region 31 and is in a non-contact state with the bottom plate portion 2 . The cutting edge portion 92 is not in direct contact with other parts of the knife placement tool 1 such as the front wall portion 3 or the like. The upper end portion of the cutting edge portion 92 is preferably located below the upper end portion of the front wall portion 3 .

In a state in which the knife 9 is placed on the knife placement tool 1 , it is preferable that the rear end portion of the grip portion 91 of the knife 9 does not protrude rearward beyond the rear partition portion 4 . In other words, the rear end of the gripping portion 91 is preferably positioned at the same position in the front-rear direction as the rear end of the rear partition portion 4 or positioned forward of the rear end of the rear partition portion 4 . Moreover, when the knife 9 is placed on the knife placement tool 1 , it is preferable that the upper end of the grip portion 91 of the knife 9 does not protrude above the two rear partitions 4 on the left and right. In other words, the upper ends of the two rear partitions 4 are preferably located above the upper ends of the grasping portions 91 of the knife 9 placed between the two rear partitions 4 . This prevents the medical staff from accidentally touching the rear end of the grasping portion 91 of the knife 9 placed on the knife placing tool 1 .

From the viewpoint of preventing medical personnel from accidentally touching the grasping portion 91 of the knife 9 placed on the knife placing tool 1, the upper ends of the two front partitions 6 positioned on the left and right of the knife 9 may be positioned above the upper end of the grip portion 91 of the knife 9 . Moreover, the upper ends of the two intermediate partitions 5 positioned on the left and right of the knife 9 may also be positioned above the upper ends of the grips 91 of the knife 9 .

As described above, the knife placement tool 1 includes the bottom plate portion 2 , the U-shaped front wall portion 3 , the plurality of rear partition portions 4 , and the plurality of intermediate partition portions 5 . The bottom plate portion 2 extends vertically with respect to the vertical direction. The front wall portion 3 protrudes upward from the front end portion and both front side edges of the bottom plate portion 2 . A plurality of rear partitions 4 are arranged in the left-right direction at the rear end portion of the bottom plate portion 2 . Each of the plurality of rear partitions 4 protrudes upward from the rear end portion of the bottom plate portion 2 . The plurality of intermediate partitions 5 protrude upward from the bottom plate portion 2 on the front side of the plurality of rear partitions 4 . The plurality of middle partitions 5 are aligned with the plurality of rear partitions 4 in the front-rear direction.

When the knife 9 is placed on the knife placement tool 1 , the grip portion 91 of the knife 9 is arranged between two rear partitions 4 adjacent in the left-right direction among the plurality of rear partitions 4 . A cutting edge portion 92 of the knife 9 is arranged in a region surrounded by the front wall portion 3 (that is, the front region 31). The height of the front wall portion 3 and the height of each of the plurality of rear partitions 4 are higher than the height of each of the plurality of intermediate partitions 5 .

As a result, before the grip portion 91 of the knife 9 is inserted between the two rear partitions 4, the knife 9 collides with the upper end portion of the intermediate partition 5 to hinder the placement of the knife 9. It is possible to prevent the cutting edge portion 92 from facing in an unintended direction. As a result, the knife 9 can be placed on the knife placing tool 1 easily and safely. Further, by making the front wall portion 3 and the plurality of rear partition portions 4 relatively high, the grasping portion 91 and the cutting edge portion 92 of the knife 9 protrude above the rear partition portion 4 and the front wall portion 3 . can be suppressed. As a result, when the knife 9 placed on the knife placement tool 1 is passed between medical staff, the hand of the medical staff or the like accidentally touches the knife 9 and the knife 9 is separated from the knife placement tool 1 . It is possible to prevent the user from jumping up and from cutting the medical staff's hand or the like. Therefore, it is possible to improve the safety at the time of delivery of the knife 9 and the safety of the knife placement tool 1 in a state where the knife 9 is placed.

As described above, the height of the front wall portion 3 and the height of each of the plurality of rear partition portions 4 are preferably 20 mm or more. Accordingly, it is possible to prevent the grasping portion 91 and the cutting edge portion 92 of the knife 9 from protruding above the rear partition portion 4 and the front wall portion 3 . As a result, it is possible to further prevent the hand or the like of the medical person from accidentally contacting the knife 9 and causing the knife 9 to spring up from the knife placing device 1 or the hand or the like of the medical person to be cut. Therefore, it is possible to further improve the safety at the time of delivery of the knife 9 and the safety of the knife placement tool 1 in a state where the knife 9 is placed.

As described above, the upper ends of the two rear partitions 4 are preferably located above the upper ends of the grips 91 of the knife 9 placed between the two rear partitions 4 . As a result, the hand or the like of the medical person accidentally touches the rear end portion of the grip portion 91 of the knife 9, causing the cutting edge portion 92 of the knife 9 to spring up from the knife mounting device 1, or the hand or the like of the medical person may be cut. You can prevent it from happening. As a result, it is possible to further improve the safety at the time of delivery of the knife 9 and the safety of the knife placement tool 1 in a state where the knife 9 is placed.

As described above, of the upper surface 21 of the bottom plate portion 2, the region extending forward from between the two rear partition portions 4 (that is, the first inter-partition portion region 23) gradually slopes upward toward the front. A surface is preferred. As a result, the cutting edge portion 92 of the knife 9 is arranged slightly above the grip portion 91, so even if the cutting knife 9 having the cutting edge portion 92 that protrudes or curves downward is placed, the cutting edge portion is 92 can be prevented from coming into contact with the upper surface 21 of the bottom plate portion 2 . As a result, the stability of the knife 9 placed on the knife placing tool 1 can be improved.

In addition, of the upper surface 21 of the bottom plate portion 2, the region extending in the front-rear direction between the two front partitions 6 (that is, the region between the second partitions 24) is also an inclined surface that gradually goes upward as it goes forward. is preferably Thereby, it is possible to further prevent the cutting edge portion 92 of the knife 9 from coming into contact with the upper surface 21 of the bottom plate portion 2 . As a result, the stability of the knife 9 placed on the knife placing tool 1 can be further improved.

Preferably, the knife placement tool 1 further includes a connection partition 7 for connecting each pair of the rear partitions 4 and the intermediate partitions 5 for the plurality of pairs of the rear partitions 4 and the intermediate partitions 5 arranged in the front-rear direction. . The connection partition portion 7 protrudes upward from the bottom plate portion 2 between the rear partition portion 4 and the intermediate partition portion 5 of each pair and extends in the front-rear direction. As a result, when the knife 9 is placed on the knife placing tool 1, the grasping portion 91 of the knife 9 is not mistakenly placed between the rear partition portion 4 and the middle partition portion 5 arranged in the front-rear direction. can be suppressed. As a result, the knife 9 can be placed correctly along the front-rear direction, which is the predetermined placement direction.

In the knife placement tool 1, in the pair of side surfaces (that is, the rear partition side surfaces 41) of the two rear partition portions 4 facing each other in the left-right direction, the inclination angle α of one of the rear partition side surfaces 41 with respect to the virtual plane perpendicular to the left-right direction is is preferably larger than the inclination angle β of the other rear partition side surface 41 . As a result, when the knife 9 is placed on the knife placement tool 1, the side surface of the knife 9 comes into contact with the rear partition side surface 41 having a large inclination angle α, and the knife 9 is inclined toward the rear partition side surface 41 side. supported as is. Therefore, it becomes easier for the medical staff to visually recognize the shape of the cutting edge portion 92 of the scalpel 9 from a predetermined direction. As a result, the medical staff can easily identify the type of the knife 9 placed on the knife placement tool 1 .

As described above, the front wall portion 3, the plurality of rear partitions 4 and the plurality of intermediate partitions 5 preferably have a solid structure. In addition, on the lower surface 22 of the bottom plate portion 2, the area below the front wall portion 3, the plurality of rear partition portions 4, and the plurality of intermediate partition portions 5 and the surrounding area are located at the same position in the vertical direction. is preferred. As a result, the weight of the knife placement tool 1 can be made relatively heavy, and the contact area between the place where the knife placement tool 1 is placed (for example, on the non-woven fabric cover) and the bottom plate portion 2 can be increased. can be done. As a result, it is possible to prevent the knife placing tool 1 from being displaced from the place where it is placed. In the knife placement tool 1, it is preferable that the plurality of connection partitions 7 and the plurality of front partitions 6 also have a solid structure.

As described above, the lower surface 22 of the bottom plate portion 2 preferably has the uneven structure 26 . Thereby, the friction between the place where the knife placement tool 1 is placed (for example, on the nonwoven fabric cover) and the bottom plate portion 2 can be increased. As a result, it is possible to prevent the knife placing tool 1 from being displaced from the place where it is placed.

As described above, the knife placement tool 1 preferably further includes a plurality of front partitions 6 protruding upward from the bottom plate 2 on the front side of the plurality of intermediate partitions 5 . The plurality of front partitions 6 are arranged in the front-rear direction with the plurality of middle partitions 5 . Accordingly, when the knife 9 is placed on the knife placing tool 1, it is possible to prevent the knife 9 from being placed obliquely (that is, inclined with respect to the front-rear direction). As a result, the knife 9 can be placed correctly along the front-rear direction, which is the predetermined placement direction.

Moreover, in the knife placement tool 1 , the height of the front wall portion 3 and the height of each of the plurality of rear partitions 4 are preferably higher than the height of each of the plurality of front partitions 6 . As a result, before the grip portion 91 of the knife 9 is inserted between the two rear partitions 4, the knife 9 collides with the upper end portion of the front partition 6 to hinder the placement of the knife 9. It is possible to prevent the cutting edge portion 92 from facing in an unintended direction. As a result, the knife 9 can be placed on the knife placing tool 1 more easily and safely.

In the knife placement tool 1, the number of front partitions 6 does not necessarily have to be the same as the number of intermediate partitions 5. As shown in FIG. For example, in the example shown in FIG. 1, the two front partitions 6 on the left and right ends of the four front partitions 6 may be omitted, or integrated with the rear ends on both the left and right sides of the front wall portion 3. may be In this case, the remaining two front partitions 6 are the two intermediate partitions 5 located in the center in the left-right direction of the four intermediate partitions 5 (that is, the middle partitions 5 of some of the plurality of intermediate partitions 5). It is arranged in the front-rear direction with the partition portion 5). Further, when the number of the intermediate partitions 5 is three, the knife placement tool 1 may be provided with one front partition 6 aligned in the front-rear direction with the intermediate partition 5 located in the center in the left-right direction. In other words, the number of front partitions 6 may be one.

That is, the knife placement tool 1 protrudes upward from the bottom plate portion 2 on the front side of the plurality of intermediate partitions 5, and is arranged in the front-rear direction with at least a portion of the intermediate partitions 5 among the plurality of intermediate partitions 5. It is preferable to further include a partition section 6 . Moreover, preferably, the height of the front wall portion 3 and the height of each of the plurality of rear partition portions 4 are higher than the height of the front partition portion 6 . Thus, similarly to the above, the knife 9 can be correctly placed along the front-rear direction, which is the predetermined placement direction. Also, the knife 9 can be placed on the knife placing tool 1 more easily and safely.

FIG. 10 is a bottom view showing another example of the lower surface 22 of the knife placing tool 1. FIG. In the example shown in FIG. 10, the peripheral region of the lower surface 22 of the bottom plate portion 2 is a smooth surface portion 28 on which the concave-convex structure 26 is not provided. The smooth surface portion 28 is provided along the entire periphery of the peripheral region of the lower surface 22 and surrounds the uneven structure 26 . In other words, the concave-convex structure 26 is provided in an inner area surrounded by the substantially annular smooth surface portion 28 . In the example shown in FIG. 10 , a non-convex-concave region 260 in which the projections 27 are not provided is arranged in the central portion of the concavo-convex structure 26 in the front-rear direction, and the concavo-convex structure 26 is divided into the front-rear direction by the non-convex-convex region 260 . ing.

The peripheral area where the smooth surface portion 28 is provided is a band-shaped area that includes the peripheral edge of the lower surface 22 and spreads inward from the peripheral edge. The width of the peripheral region (that is, the width of the smooth surface portion 28) is approximately constant over the entire circumference of the lower surface 22. As shown in FIG. The width of the smooth surface portion 28 is, for example, 1 to 2.5 times the pitch of the protrusions 27 in the uneven structure 26 . For example, when the pitch is 2 mm, the width of the smooth surface portion 28 is 2 mm to 5 mm. Note that the width of the smooth surface portion 28 may vary.

FIG. 11 is a cross-sectional view of the portion near the smooth surface portion 28 of the knife placement tool 1 shown in FIG. In the example shown in FIG. 11, the lower end surface 281 of the smooth surface portion 28 is substantially perpendicular to the vertical direction, and is positioned at substantially the same position in the vertical direction as the lower end of the uneven structure 26 (that is, the vertex of the lower ends of the plurality of protrusions 27). To position. The lower end surface 281 of the smooth surface portion 28 may be positioned below the lower end of the uneven structure 26 . In either case, the lower end of the uneven structure 26 is prevented from protruding below the lower end surface 281 of the smooth surface portion 28 . When the lower end surface 281 of the smooth surface portion 28 is positioned below the lower end of the uneven structure 26, the vertical distance between the lower end surface 281 and the lower end of the uneven structure 26 is, for example, greater than 0 mm, and , 1 mm or less, preferably 0.3 mm to 0.5 mm. Note that the lower end surface 281 of the smooth surface portion 28 may be positioned above the lower end of the uneven structure 26 .

In the example shown in FIG. 11 , the edge of the lower surface 22 of the bottom plate portion 2 (also the edge of the smooth surface portion 28 ) has an R shape that protrudes outward and downward in the left-right direction. The edge may have a C-plane shape. In other words, the edge of the lower surface 22 of the bottom plate portion 2 has a shape without corners. In other words, the edge of the lower surface 22 of the bottom plate portion 2 has substantially the same shape as when R chamfering or C chamfering is performed. When the knife placement tool 1 is formed by injection molding or press molding, the edge is actually not chamfered, and the above shape is realized by a mold.

As described above, the lower surface 22 of the bottom plate portion 2 preferably has the smooth surface portion 28 surrounding the uneven structure 26 in the peripheral region of the lower surface 22 . As a result, the article in contact with the edge of the lower surface 22 of the knife placing tool 1 is rubbed (that is, scratched) by the uneven structure 26 compared to the case where the uneven structure 26 is provided in the peripheral region of the lower surface 22 . ) can be restrained from being hurt. For example, even if the knife placement tool 1 is brought closer to the drape in an inclined state, and only the edge of the lower surface 22 of the knife placement tool 1 initially contacts the drape, the drape will not reach the edge of the drape. It is possible to suppress being scratched and damaged by the edge. In addition, it is possible to prevent the finger, palm, or the like of the medical person holding the knife placement tool 1 from coming into contact with the edge of the lower surface 22 of the knife placement tool 1 and feeling pain.

As described above, it is more preferable that the edges of the lower surface 22 of the knife placement tool 1 have no corners. As a result, it is possible to further prevent the article from being damaged in contact with the edge of the lower surface 22 . In addition, it is possible to further prevent the medical staff holding the knife placement tool 1 from feeling pain.

As described above, the lower end surface 281 of the smooth surface portion 28 is preferably positioned below the lower end of the uneven structure 26 or at the same position as the lower end of the uneven structure 26 in the vertical direction. As a result, when the knife placement tool 1 is placed on a flat hard surface such as the bottom of a tray, it is possible to prevent or suppress the uneven structure 26 from coming into contact with the surface. As a result, even if the knife placement tool 1 moves on the surface (for example, it slides due to some kind of impact or the like), it is possible to prevent or suppress the surface from being damaged by the concave-convex structure 26. can. On the other hand, when the knife placement tool 1 is placed on a flexible article such as a drape that covers the patient, a part of the drape or the like enters between the plurality of protrusions 27 of the uneven structure 26 and forms a contact with the uneven structure 26 . Since the concave-convex structure 26 works as a non-slip, it is possible to prevent or suppress the displacement of the knife placing tool 1 .

Various modifications can be made to the knife mounting tool 1 described above.

For example, in the concave-convex structure 26 provided on the lower surface 22 of the bottom plate portion 2, the number, size, shape and arrangement of the convex portions 27 may be changed variously. For example, as the concavo-convex structure 26, about 10 square-shaped protrusions each having a side length of about 1 mm to 2 mm in plan view may be arranged on the lower surface 22 of the bottom plate portion 2 so as to be substantially evenly spaced from each other. good. Alternatively, the concave-convex structure 26 may be a concave-convex pattern of fine wrinkles formed by texturing (that is, texturing). In addition, in the knife placement tool 1 , the concave-convex structure 26 may be omitted from the lower surface 22 of the bottom plate portion 2 .

In the knife placement tool 1, any one or more of the front wall portion 3, the plurality of rear partition portions 4, the plurality of connection partition portions 7, the plurality of intermediate partition portions 5, and the plurality of front partition portions 6 are formed. It may have a hollow structure. In this case, on the lower surface 22 of the bottom plate portion 2, the lower region of the portion may be recessed upward.

In the pair of rear partition side surfaces 41 facing each other in the left-right direction, the inclination angle α of one rear partition side surface 41 and the inclination angle β of the other rear partition side surface 41 may be approximately the same. Also, the tilt angle α and/or the tilt angle β may be about 0°. In other words, one or both of the pair of rear partition side surfaces 41 may be substantially perpendicular to the left-right direction. The same applies to the pair of connecting partition side surfaces 71, the pair of intermediate partition side surfaces 51, and the pair of front partition side surfaces 61, which face each other in the left-right direction.

On the upper surface 21 of the bottom plate portion 2, the first inter-partition region 23 does not necessarily have to be an inclined surface, and may be substantially perpendicular to the vertical direction. Also, the second inter-partition region 24 does not necessarily have to be an inclined surface, and may be substantially perpendicular to the vertical direction.

In the knife placement tool 1, the height, the length in the front-rear direction, the shape, the number, and the like of the plurality of rear partitions 4 are not limited to the above examples, and may be changed as appropriate. The same applies to the plurality of connection partitions 7, the plurality of intermediate partitions 5, and the plurality of front partitions 6. As shown in FIG. Also, the upper end of the grip portion 91 of the knife 9 placed between the two rear partitions 4 may be positioned at substantially the same position in the vertical direction as the upper end of the two rear partitions 4. , may protrude slightly above the upper ends of the two rear partitions 4 .

In the knife placing tool 1, the heights of the plurality of rear partitions 4 may be different. Also, the heights of the plurality of intermediate partitions 5 may be different. Furthermore, the height of the front wall portion 3 and the height of each of the plurality of rear partition portions 4 may be different. The height of the front partition 6 may be substantially the same as the height of the front wall 3 and/or the height of each of the plurality of rear partitions 4, for example.

In the knife placement tool 1, the front partition 6 does not necessarily have to be provided, and may be omitted. Moreover, in the knife placement tool 1, the plurality of connection partitions 7 are not necessarily provided, and may be omitted.

The knife placement tool 1 may be used to place medical instruments other than the knife 9 (for example, a needle holder, scissors, forceps, etc.).

The configurations in the above embodiment and each modified example may be combined as appropriate as long as they do not contradict each other.

1 Knife Placer 2 Bottom Plate 3 Front Side Wall 4 Rear Partition 5 Intermediate Partition 6 Front Partition 7 Connection Partition 9 Knife 21 Top (of Bottom Plate) 22 Bottom (of Bottom Plate) 23 Between First Partitions Region 26 Concavo-convex structure 28 Smooth surface portion 31 Front region 41 Rear partition side surface 91 Grip portion 92 Cutting edge portion 281 Lower end surface (of smooth surface portion) α, β Inclination angle

Claims (11)

A knife placement tool on which a medical knife is placed,
a bottom plate portion extending vertically with respect to the vertical direction;
a U-shaped front wall portion protruding upward from the front end portion and both side edges of the front portion of the bottom plate portion;
a plurality of rear partitions arranged in the left-right direction at the rear end portion of the bottom plate portion, each projecting upward from the rear end portion of the bottom plate portion;
a plurality of intermediate partitions protruding upward from the bottom plate portion on the front side of the plurality of rear partitions and aligned in the front-rear direction with the plurality of rear partitions;
with
The bottom plate portion, the front wall portion, the plurality of rear partition portions and the plurality of intermediate partition portions are integrally molded,
When the knife is placed, the grip portion of the knife is arranged between two rear partitions adjacent in the left-right direction among the plurality of back partitions, and the cutting edge portion of the knife is defined by the front wall portion. placed in the area enclosed,
the height of the front wall portion and the height of each of the plurality of rear partitions are higher than the height of each of the plurality of intermediate partitions;
A knife placing tool according to claim 1, wherein a region between the first partitions, which is a region between the two rear partitions on the upper surface of the bottom plate, extends to a rear edge of the bottom plate . The knife placement tool according to claim 1,
The knife placement tool, wherein the height of the front wall and the height of each of the plurality of rear partitions are 20 mm or more. The knife placement tool according to claim 1 or 2,
A knife placement tool, wherein upper ends of the two rear partitions are positioned above an upper end of the gripping portion of the knife placed between the two rear partitions. The knife placement tool according to any one of claims 1 to 3,
The knife placement tool , wherein the region between the first partitions is an inclined surface extending forward from between the two rear partitions and gradually rising toward the front. The knife placement tool according to any one of claims 1 to 4,
In a pair of laterally opposing side surfaces of the two rear partitions, the inclination angle of one side surface with respect to a virtual plane perpendicular to the lateral direction is greater than the inclination angle of the other side surface. equipment. The knife placement tool according to any one of claims 1 to 5,
the front wall, the plurality of rear partitions and the plurality of intermediate partitions have a solid structure;
On the lower surface of the bottom plate portion, a region below the front wall portion, the plurality of rear partitions, and the plurality of intermediate partitions, and a surrounding region are positioned at the same position in the vertical direction. Scalpel placement tool. The knife placement tool according to any one of claims 1 to 6,
A plurality of sets of rear partitions and intermediate partitions arranged in the front-rear direction project upward from the bottom plate portion and extend in the front-rear direction between each set of rear partitions and intermediate partitions. further comprising a connection partition that connects the part and the intermediate partition,
The knife placement tool, wherein the height of the rear partition and the middle partition of each set is higher than the vertical height of the connection partition. The knife placement tool according to any one of claims 1 to 7,
A knife placement tool, wherein the lower surface of the bottom plate portion has an uneven structure. The knife placement tool according to claim 8,
The knife placement tool, wherein the lower surface of the bottom plate portion has a smooth surface portion surrounding the concave-convex structure in a peripheral area of the lower surface. The knife placement tool according to claim 9,
The knife placement tool, wherein the lower end surface of the smooth surface portion is positioned below the lower end of the uneven structure or at the same position as the lower end of the uneven structure in the vertical direction. The knife placement tool according to any one of claims 1 to 10,
further comprising a front partition projecting upward from the bottom plate on the front side of the plurality of intermediate partitions and aligned in the front-rear direction with at least some of the plurality of intermediate partitions;
The knife placement tool, wherein the height of the front wall and the height of each of the plurality of rear partitions are higher than the height of the front partition.

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