JP2007296071A - Medical cutter holder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a medical cutter holder which receives a medical cutter smoothly. <P>SOLUTION: A receiving section 1 has an opening 8 into and from which a handle 35 of a medical cutter 34 is inserted or removed and holding parts formed on support plates 9, 10, 11, 12 and 13 for regulating the movement of the handle 35 by holding the handle 35 inserted via the opening 8 in its received position. In addition, guiding parts are formed on the support plates 9 and 10 of the receiving section 1. When the handle 35 inserted into the receiving section 1 and in its initial position inclines circumferentially with respect to the receiving position, the guiding parts guide the handle 35 from the initial position to the receiving position during the insertion of the handle 35 into the receiving section 1. With such a configuration, even when the handle 35 inclines upon its insertion into the receiving section 1, the inclination of the handle 35 is corrected naturally by the guiding parts and the handle 35 is inserted into the receiving section without correcting the inclination deliberately. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a medical blade holder that accommodates medical blades such as various surgical scalpels.

  In the following Patent Document 1, a scalpel can be stored in a scalpel holder. At the time of storage, the head end side of the surgical scalpel handle is the surgical scalpel holder with the bottom end of the surgical scalpel handle fitted in the bag-shaped part formed on the bottom end of the surgical scalpel holder. Retained. Since there are various types of blades attached to the head end of the handle in a scalpel, even if the bottom end of the handle of the surgical knife is fitted into this bag-like part, The direction is arbitrary, and the blade cannot be accommodated in a predetermined direction unless the direction is sufficiently conscious.

In addition, in the conventional holder for a medical knife shown in FIG. 10, a bag-like portion 45 is formed on the bottom end wall 5 of the housing portion 1. As shown in FIG. 11 (b), when the projection 38 formed on the butt end 35 b with the handle 35 of the medical blade 34 can be inserted into the bag-shaped portion 45, the blade 36 in the medical blade 34. There is a handle 35 at a normal position M where is facing right below. Therefore, as shown in FIG. 11A, the handle 35 can be smoothly fitted into the housing portion 1, and the medical blade 34 can be positioned at the housing position Q to restrict its movement. However, as shown in FIG. 11 (c), when the projection 38 cannot be inserted into the bag-like portion 45, the handle 35 tilts in the circumferential direction with respect to the storage position Q of the handle 35 and the blade body Since the handle 36 is in the abnormal position N that does not face downward, the handle 35 cannot be fitted into the housing portion 1.
Japanese Utility Model Publication No. 62-26087

  In the conventional holder for a medical blade shown in FIG. 10, the blade body 36 is accommodated in a predetermined direction unless the protrusion 38 of the handle 35 is inserted into the bag-like portion 45 with sufficient consideration of the direction of the blade body 36. Therefore, the medical blade 34 cannot be smoothly accommodated in the accommodating portion 1.

  An object of the present invention is to smoothly accommodate a medical knife in a receptacle in a medical knife holder.

The present invention will be described with reference to the reference numerals of the drawings (FIGS. 1 to 9) of the embodiments described later.
The medical blade holder according to the invention of claim 1 is configured as follows.
The medical blade holder includes a housing portion 1 for housing a medical blade 34 having a handle 35 and a blade body 36 attached to the handle 35. The housing 1 is provided with an opening 8 through which the handle 35 of the medical blade 34 can be inserted and removed, and the handle 35 inserted from the opening 8 is held at the housing position Q to restrict the movement of the handle 35. , 29, 30, 32 are provided. Further, in the housing portion 1, when the handle 35 is inclined in the circumferential direction with respect to the housing position Q of the handle 35 in the initial state in which the handle 35 is inserted into the housing portion 1, the handle 35 is connected to the housing portion 1. Along with the insertion, guide portions 31 and 33 are provided for guiding the handle 35 from the initial state to the accommodation position Q.

  In the first aspect of the present invention, even if the handle 35 is tilted at the time of inserting the handle 35 into the accommodating portion 1, the tilt is naturally corrected by the guide portions 31 and 33 without intentionally correcting the tilt. In this state, the handle 35 can be inserted into the holding portions 24, 29, 30, and 32.

  In the invention of claim 2 premised on the invention of claim 1, the blade 36 is attached to the head end 35a side of the both ends 35a, 35b in the longitudinal direction X of the handle 35 with the medical blade 34. The guide portions 31 and 33 are provided on the bottom end portion 5 side opposite to the head end portion 4 of the both end portions 4 and 5 in the longitudinal direction X of the housing portion 1. On the side of the part 35b, for example, the guide part 42, 43, 44 is brought into contact with the guided part 37 in the circumferential direction of the handle 35. Incidentally, in the guided portion 37, for example, a flat guide surface 42 is formed in a notch portion 41 formed in the outer peripheral surface 39 of the handle 35. In the invention of claim 2, since it is not necessary to provide the guided portion 37 having the guide surfaces 42, 43, 44 as described above on the head end portion 35a side of the handle 35, the head end portion 35a side of the handle 35 is gripped. Easy to do. For example, if a plurality of guide portions 31 and 33 are provided side by side in the longitudinal direction X on the bottom end portion 5 side of the housing portion 1, the guide portions 31 and 33 promote each other to hold the handle 35 with the holding portion 24 and It is also possible to guide to 29, 30, 32.

  In the invention of claim 3 premised on the invention of claim 2, the holding parts 24, 29, 30, 32 and the guide parts 31, 33 are respectively inserted / removed ports 15, 20 opened in the accommodating part 1. , 26 and both side surfaces 17, 18, 22, 23, 27, 28 extending oppositely from the insertion / removal ports 15, 20, 26 on both sides of the accommodating portion 1 facing both sides in the circumferential direction of the handle 35. A gap portion formed in the gap portions 14, 19, 25, and having insertion / removal ports 20, 26 opened to the side of the opening portion 8 facing the bottom portion 7 in the accommodating portion 1, among the gap portions 14, 19, 25. 19 and 25, in the direction of the head end 4 side in the longitudinal direction X of the housing portion 1, rather than the gap portion 14 having the insertion / removal port 15 opened to the bottom 7 side facing the opening 8 in the housing portion 1. is there. In the invention of claim 3, the head end portion 35 a side of the handle 35 is separated from the accommodating portion 1 together with the blade body 36, and the bottom end portion 35 b side of the handle 35 is opened to the insertion / removal port 15 opened to the bottom portion 7 side by the gap portion 14. In the inserted state, the head end 35 a side of the handle 35 can be inserted into the accommodating portion 1 together with the blade body 36. Therefore, when the medical blade 34 is housed in the housing portion 1, the blade body 36 is not easily inadvertently hit the housing portion 1, and damage to the blade body 36 can be prevented.

  In the invention of claim 4 based on the invention of claim 2 or claim 3, a plurality of the holding portions 24, 29, 30, 32 are arranged in parallel in the longitudinal direction X of the storage portion 1, and It has holding parts 24 and 29 provided on the head end part 4 side, and holding parts 24, 30 and 32 provided on the bottom end part 5 side of the storage part 1, and the guide parts 31 and 33 are provided on the bottom end part. It is provided continuously with the holding parts 30 and 32 on the part 5 side. In the invention of claim 4, the handle 35 is stably supported by the holding portions 24, 29 on the head end 4 side of the housing portion 1 and the holding portions 24, 30, 32 on the bottom end portion 5 side of the housing portion 1. The handle 35 can be smoothly moved from the guide portions 31 and 33 to the holding portions 30 and 32 by the guide portions 31 and 33 and the holding portions 30 and 32 that are continuous with each other.

  According to the present invention, the medical knife 34 can be smoothly accommodated in the accommodating portion 1 in the medical knife holder.

Hereinafter, a medical knife holder according to an embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 1 (a), 1 (b), 2 (a), and 9, the accommodating portion 1 has side walls extending along the longitudinal direction X on both sides of the width direction Y orthogonal to the longitudinal direction X. 2, 3, a head end wall 4 and a butt end wall 5 formed between the both side walls 2, 3 at both ends in the longitudinal direction X, and both the side walls 2, 3, the head end wall 4 and the butt end wall 5. And a storage chamber 6 surrounded by. Among both sides of the vertical direction Z perpendicular to the longitudinal direction X and the width direction Y, a bottom wall 7 as a bottom portion divided by a through hole 7a is formed on the lower side of the storage chamber 6, and this An opening 8 facing the bottom wall 7 is formed on the upper side of the storage chamber 6. Finger insertion portions 2a and 3a are formed by cutting out the intermediate portions of the side walls 2 and 3 in the longitudinal direction X. In the middle portion of the bottom wall 7 in the longitudinal direction X, inclined portions 7b are formed on both sides in the width direction Y so as to face both the finger insertion portions 2a and 3a.

  In the storage chamber 6 of the storage portion 1, between the side walls 2, 3, a first support plate portion 9, a second support plate portion 10, a third support plate portion 11, and a fourth support plate portion 12 are provided. The fifth support plate 13 is spaced from the bottom end wall 5 as the bottom end portion and the head end wall 4 as the head end portion sequentially from the bottom end wall 5 side toward the head end wall 4 side. They are arranged side by side in the longitudinal direction X. The first support plate portion 9, the second support plate portion 10, and the third support plate portion 11 are provided closer to the bottom end wall 5 than the intermediate position in the longitudinal direction X of the housing portion 1. The fourth support plate portion 12 and the fifth support plate portion 13 are provided closer to the head end wall 4 than the intermediate position in the longitudinal direction X of the storage portion 1.

  Incidentally, the side walls 2 and 3, the head end wall 4, the bottom end wall 5, the bottom wall 7, and the support plate portions 9, 10, 11, 12, and 13 in the housing portion 1 are integrated with a translucent polycarbonate resin. Is injection molded. In this accommodating portion 1, the total length in the longitudinal direction X is about 155 mm.

  As shown in FIG. 6 (c), the first support plate portion 9 has a downward recess surrounded by a ceiling plate portion 9a and both side plate portions 9b and 9c connected in series between the side walls 2 and 3. 14 is formed. The concave portion 14 includes an insertion / removal port 15 opened downward in the storage chamber 6, a ceiling surface 16 as a back surface provided facing the insertion / removal port 15, and both sides in the width direction Y of the storage unit 1. It has both side surfaces 17 and 18 facing each other from the insertion / removal port 15 and extending upward toward the ceiling surface 16 side, and includes a gap portion having the insertion / removal port 15 and both side surfaces 17 and 18.

  The second support plate portion 10 shown in FIG. 6 (d), the third support plate portion 11 shown in FIG. 2 (b), and the fifth support plate portion 13 shown in FIG. 2 (d). Are formed with upward concave portions 19 surrounded by bottom plate portions 10a, 11a, 13a and both side plate portions 10b, 11b, 13b, 10c, 11c, 13c, which are connected in series between the side walls 2 and 3, respectively. Yes. The concave portion 19 is inserted into the insertion / removal port 20 opened upward in the storage chamber 6, a bottom surface 21 as a rear surface provided facing the insertion / removal port 20, and both sides of the storage portion 1 in the width direction Y. It has both side surfaces 22 and 23 facing each other from the outlet 20 and extending downward toward the bottom surface 21 side, and includes a gap portion having the insertion / removal port 20 and both side surfaces 22 and 23. In the third support plate portion 11 and the fifth support plate portion 13, a holding portion 24 having a shape with the center line P in the width direction Y as the center of line symmetry is formed in the recess 19. In the holding portion 24, both side surfaces 22 and 23 extend from both sides of the circular arc-shaped bottom surface 21 so as to slightly spread toward each other.

  As shown in FIG. 2 (c), the fourth support plate portion 12 protrudes from both side walls 2 and 3 so as to face each other and is separated from each other in both the upper and lower directions. An open gap 25 is formed. The gap 25 includes an insertion / removal opening 26 opened upward in the storage chamber 6 and both side surfaces 27, 28 extending downward facing each other in the width direction Y of the storage 1 from the insertion / removal opening 26. Have. In the fourth support plate portion 12, the gap portion 25 has a shape with the center line P in the width direction Y between the step portions 27a and 28a formed on the lower half portions of the both side surfaces 27 and 28 as a line symmetry center. A holding portion 29 is formed.

  In particular, in the first support plate portion 9 shown in FIG. 6 (c), the concave portion 14 includes a holding portion 30 having a shape with the center line P in the width direction Y as a line symmetry center from both side surfaces 17, 18 to the ceiling surface. 16 are formed. In the holding portion 30, both side surfaces 17 a and 18 a extend from both sides of the arc-shaped ceiling surface 16 so as to slightly spread toward each other downward.

  In addition, a guide portion 31 that is asymmetric with respect to the center line P in the width direction Y is formed between the side surfaces 17 and 18 between the insertion / removal port 15 and the holding portion 30. In the guide portion 31, one side surface 17 is provided with a side surface 17 b extending substantially parallel to the center line P from the insertion / removal port 15, and a protruding portion 17 d extending from the side surface 17 b to the side surface 17 a of the holding unit 30. And a continuous side surface 17c. The side surface 17 c is inclined so as to approach the center line P toward the side surface 17 a of the holding unit 30. For example, the angle formed by the side surface 17c with respect to the center line P is larger than the angle formed by the side surface 17a with respect to the center line P, and these angles are made different from each other. On the other side surface 18 side, a side surface 18b extending from the insertion / removal port 15 so as to face the side surface 17b, and extending from the side surface 18b to face the side surface 17c and extending to the side surface 18a of the holding portion 30 via a protruding portion 18d. A continuous side surface 18c is formed. The side surface 18b is inclined so as to approach the center line P toward the side surface 18c. The side surface 18 c extends flush with the side surface 18 a of the holding unit 30. For example, the angle formed by the side surface 18b with respect to the center line P is larger than the angle formed by the side surfaces 18c and 18a with respect to the center line P, and these angles are made different from each other so as to vary between these angles. Yes. Incidentally, the angle α formed between the side surface 17a and the side surface 17c in the protruding portion 17d and the angle β formed between the side surface 18b and the side surface 18c in the protruding portion 18d are preferably 100 degrees to 160 degrees.

  The distance between the side surfaces 17c and 18c in the guide portion 31 is set to be larger than the distance between the side surfaces 17a and 18a in the holding portion 30, and gradually increases toward the insertion / removal port 15 side. Further, the distance between the side surface 17c with respect to the center line P in the width direction Y is set larger than the distance between the side surface 18c with respect to the center line P in the width direction Y, and gradually increases toward the insertion / removal port 15 side. On the other hand, the distance between the side surfaces 17b and 18b in the guide portion 31 is set to be larger than the distance between the side surfaces 17c and 18c in the guide portion 31, and gradually increases toward the insertion / removal port 15 side. Furthermore, the distance between the side surface 17b with respect to the center line P in the width direction Y is set larger than the distance between the side surface 18b with respect to the center line P in the width direction Y, and the distance between the side surface 18b with respect to the center line P in the width direction Y It gradually increases as it goes toward the outlet 15 side. The distance between the both side surfaces 17b and 18b in the insertion / removal port 15 is set larger than the distance between the both side surfaces 17b and 18b in the guide portion 31 and is maximized.

In particular, in the second support plate portion 10 shown in FIG. 6D, a holding portion 32 having a shape with the center line P in the width direction Y as the center of line symmetry is formed in the concave portion 19 by the arc-shaped bottom surface 21. ing.
In addition, a guide portion 33 that is asymmetric with respect to the center line P in the width direction Y is formed between the side surfaces 22 and 23 between the insertion / removal port 20 and the holding portion 32. In the guide portion 33, a side surface 22 a extending substantially parallel to the center line P from the insertion / removal port 20 and a side surface 22 b extending from the side surface 22 a and continuing to the bottom surface 21 of the holding portion 32 are provided on one side surface 22 side. Is formed. The side surface 22 b is inclined so as to approach the center line P toward the bottom surface 21 of the holding portion 32. On the other side surface 23 side, a side surface 23a facing the side surface 22a and extending substantially parallel to the center line P from the insertion / removal port 20, and a side surface 23a facing the side surface 22b from the side surface 23a and substantially parallel to the center line P. A side surface 23 b that extends to the bottom surface 21 of the holding portion 32 is formed. The side surface 23a and the side surface 23b extend flush with each other.

  The distance between the side surfaces 22b and 23b in the guide portion 33 is set to be larger than the distance between the bottom surface 21 in the holding portion 32 and gradually increases toward the insertion / removal port 20 side. Further, the distance between the side surface 22b with respect to the center line P in the width direction Y is set to be larger than the distance between the side surface 23b with respect to the center line P in the width direction Y, and gradually increases toward the insertion / removal port 20 side. On the other hand, the distance between the side surfaces 22a and 23a in the guide portion 33 is slightly increased from the boundary portion between the side surfaces 22b and 23b in the guide portion 33 toward the insertion / removal port 20 side. Further, the distance between the side surface 22a with respect to the center line P in the width direction Y is set larger than the distance between the side surface 23a with respect to the center line P in the width direction Y, and the distance between the side surfaces 22a, 23a with respect to the center line P in the width direction Y is As it goes to the insertion / removal port 20 side, it becomes slightly larger. The distance between the side surfaces 22a and 23a in the insertion / removal port 20 is set to be larger than the distance between the side surfaces 22a and 23a in the guide portion 33.

  In the two types of medical blades 34 shown in FIGS. 3 (a) and 3 (b), for example, a blade 36 is formed on the head end 35a of the both ends 35a, 35b in the longitudinal direction X by an elongated handle 35 made of polybutylene terephthalate resin. It is attached. In the handle 35, a guided portion 37 having a predetermined length from the butt end portion 35b is formed on the butt end portion 35b side opposite to the head end portion 35a. A protrusion 38 is formed inside the end face. A mark 40 indicating the type and size is attached to the circular outer peripheral surface 39 of the handle 35 on the side of the head end 35a slightly from the guided portion 37 by silk printing. In this guided portion 37, as shown in FIGS. 4A, 4B, 4C, and 4D, notches 41 are formed on both sides in the width direction Y on the circular outer peripheral surface 39 of the handle 35 and are flat. Guide surfaces 42 are formed, and arcuate guide surfaces 43 and 44 are formed between both guide surfaces 42 on both sides in the vertical direction Z of the circular outer peripheral surface 39. The mark 40 representing the type and size may be provided on the flat guide surface 42 by printing or forming an uneven shape.

  As shown in FIGS. 1 (a), 1 (b) and 2 (a), in the state where the medical blade 34 is housed in the housing chamber 6 of the housing portion 1 of the medical blade holder, FIGS. As shown in FIG. 2, the guided portion 37 of the handle 35 is fitted into the holding portion 30 of the first support plate portion 9 and the holding portion 32 of the second support plate portion 10, and FIGS. As shown in d), the circular outer peripheral surface 39 of the handle 35 has the holding portion 24 of the third support plate portion 11, the holding portion 29 of the fourth support plate portion 12, and the holding portion 24 of the fifth support plate portion 13. The medical blade 34 is positioned at the storage position Q and its movement is restricted. A finger is inserted into the both inclined portions 7b of the bottom wall 7 from the finger insertion portions 2a and 3a of the side walls 2 and 3 of the accommodating portion 1, and the handle 35 is gripped, and the upper end 35b side of the handle 35 is supported upward. When the head end 35a side of the handle 35 is separated upward together with the blade body 36 while turning, the initial state shown by the two-dot chain line in FIG. Thereafter, when the handle 35 is moved in the longitudinal direction X toward the head end portion 35a side, the handle 35 is pulled out from each of the holding portions 24, 29, 30, 32, and the medical knife 34 is removed from the storage chamber 6 of the storage portion 1. It can be detached through the opening 8.

  When the medical blade 34 is stored in the storage chamber 6 of the storage section 1 through the opening 8, the head end 35 a side of the handle 35 is in the initial state shown by the two-dot chain line in FIGS. From the state in which the bottom end 35b side of the handle 35 is inserted below the first support plate 9 from the state where the handle 35 is separated upward with the blade body 36, as shown by the solid lines in FIGS. The head end 35 a side is lowered together with the blade body 36. At that time, when the handle 35 is in the normal position M where the blade body 36 is directly downward in the middle of the handle 35 shown by the solid line in FIG. The medical blade 34 is smoothly fitted into the portions 24, 29, 30, and 32, and the movement of the medical blade 34 is regulated at the storage position Q.

  However, in the middle state of the handle 35 shown by the solid line in FIG. 5B, the handle 35 is tilted in the circumferential direction with respect to the storage position Q of the handle 35, and the blade body 36 is in an abnormal position N where the blade body 36 does not face downward. In this case, as shown in FIGS. 6A and 6B or FIGS. 7A and 7B, the guided portion 37 of the handle 35 is provided with the concave portion 14 of the first support plate portion 9 and the second support. The guide surfaces 42, 43, 44 of the guided portion 37, particularly the two flat guide surfaces 42, are inserted into the concave portion 19 of the plate portion 10 through the insertion / removal ports 15, 20. The guided portion 37 is in contact with the side surfaces 17b, 17c, 18b, 18c, 22a, 22b, 23a, and 23b by the guide portion 31 of the second support plate portion 10 and the guide portion 33 of the second support plate portion 10. The holding part 30 of the plate part 9 and the holding part 32 of the second support plate part 10 It is guided. For this reason, the handle 35 does not consciously correct the inclination of the handle 35 at the time of inserting the handle 35 into the housing portion 1, and the handle 35 is fixed to the holding parts in a state where the inclination is naturally corrected by the guide parts 31 and 33. The medical blade 34 is positioned at the accommodation position Q at the normal position M where the blade body 36 is smoothly fitted to the blades 24, 29, 30 and 32, and the blade body 36 faces directly below, and the movement thereof is restricted.

  Incidentally, in the accommodation position Q of the medical blade 34, the support plate portions 9, 10, 11, 12, 13 cooperate with each other to regulate the movement of the handle 35 in the width direction Y and the vertical direction Z. However, regarding the movement of the handle 35 in the longitudinal direction X, the projection 39a formed on the outer peripheral surface 39 on the head end 35a side of the handle 35 is locked to the fifth support plate 13 and the handle 35 The protrusion 38 is regulated by being locked to the bottom end wall 5 on the side of the bottom end 35b. About each support plate part 9,10,11,12,13, what is necessary is just to be able to perform at least one direction regulation among regulation of movement of handle 35 to width direction Y, up-and-down direction Z, and longitudinal direction X, in that case The support plate portions 9, 10, 11, 12, 13 and so on cooperate with each other to regulate the direction. Moreover, you may make it at least any one of each support plate part 9, 10, 11, 12, 13 perform all direction restrictions.

In addition to the above embodiment, the following configuration may be used.
* In the guided portion 37 of the handle 35, various shapes of guide surfaces can be adopted. For example, as shown in FIG. A hexagonal shape is formed, or as shown in FIG. 4 (f), one of the guide surfaces 42 on both sides is formed into an arc shape and is continuous with the upper and lower guide surfaces 43, 44.

  * As shown in FIGS. 8 (a) and 8 (b), the center line P in the width direction Y is the center of line symmetry in the recess 14 of the first support plate 9 and the recess 19 of the second support plate 10. Holding parts 30 and 32 and guide parts 31 and 33 are provided.

  * Although not shown, the recess 14 of the first support plate 9 is also opened upward. In that case, the handle 35 can be inserted into the housing part 1 while being inclined as described above, or the handle 35 can be inserted into the housing part 1 in parallel with the housing part 1.

* The medical knife 34 may be a trepan, curette, various knives or the like other than the knife.
* For the medical blade 34, the blade body 36 can be attached to and detached from the handle 35 so that only the handle 35 can be reused, or a replacement part including the blade body 36 and the head end 35a side of the handle 35 can be attached and detached. Alternatively, only the handle main body other than the replacement part may be reused, or the entire medical blade 34 may be detachable from another handle.

  * In the concave portion 14 of the first support plate 9, the side surfaces 17a, 17b, 17c of the side surface 17 and the side surfaces 18a, 18b, 18c of the side surface 18 are flat, but the side surfaces 17a , 17b, 17c, 18a, 18b, and 18c may be formed by convex curved surfaces or concave curved surfaces, respectively, or their side surfaces 17a, 17b, 17c, 18a, 18b, and 18c may be made continuous with each other by convex curved surfaces or concave curved surfaces. Also good. The same applies to the concave portion 19 of the second support plate 10.

Next, technical ideas other than the claims will be described with reference to the reference numerals in the drawings of the embodiments.
In the fifth invention premised on the invention of claim 4, the holding portions 24, 30, 32 and the guide portions 31, 33 are respectively connected to the insertion / removal ports 15, 20 opened in the housing portion 1, The back surfaces 16 and 21 provided facing the insertion / removal ports 15 and 20 and the back surfaces 16 and 26 facing each other from the insertion / removal ports 15 and 20 on both sides of the accommodating portion 1 facing both sides of the handle 35 in the circumferential direction. It is formed in recesses 14 and 19 having both side surfaces 17, 18, 22 and 23 extending to the 21 side. In the fifth invention, the holding portions 24, 30, 32 and the guide portions 31, 33 can be easily formed in the concave portions 14, 19.

  In the sixth invention based on the fifth invention, the concave portions 14 and 19 are formed in the support plate portions 9, 10, 11 and 13 in the housing portion 1. In the sixth invention, the recesses 14 and 19 are easily formed.

  In the seventh invention based on the fifth invention or the sixth invention, in the recesses 14 and 19 having the guide portions 31 and 33 and the holding portions 30 and 32, from both side surfaces 17, 18, 22, and 23, Holding portions 30 and 32 for holding the handle 35 in the storage position Q are provided over the back surfaces 16 and 21, and the side surfaces 17, 18, 22, and 23 are connected to the side surfaces 17, 18, 22, and 23 between the insertion / removal ports 15 and 20. Guide portions 31 and 33 are provided. In the seventh invention, the handle 35 can be smoothly moved from the guide portions 31 and 33 to the holding portions 30 and 32 in the recesses 14 and 19.

  In the eighth invention based on the seventh invention, in the recesses 14 and 19 having the guide portions 31 and 33 and the holding portions 30 and 32, both side surfaces 17, 18, 22, and 23 of the guide portions 31 and 33 are provided. The interval between them is set to be larger than the interval between both side surfaces 17, 18, 22, and 23 in the holding portions 30 and 32. In the eighth invention, the handle 35 can be easily introduced from the guide portions 31 and 33 into the holding portions 30 and 32 in the recesses 14 and 19.

  In the ninth invention based on the eighth invention, the insertion / removal ports 15 and 20 are recessed from the back surfaces 16 and 21 side by the recesses 14 and 19 having the guide portions 31 and 33 and the holding portions 30 and 32. , 19 and gradually open to the outside. In the ninth invention, it is easy to insert the handle 35 into the insertion / removal ports 15 and 20 in the recesses 14 and 19.

(A) is a top view which shows the state which accommodated the medical blade in the holder for medical blades concerning this embodiment, (b) is a front view similarly. (A) is sectional drawing which looked at the holder for medical blades shown to Fig.1 (a) (b) from the front side, (b) is the AA line expanded sectional view of Fig.1 (a), ( (c) is the BB line expanded sectional view of Drawing 1 (a), and (d) is the CC line expanded sectional view of Drawing 1 (a). (A) is a front view which shows the medical knife concerning this embodiment, (b) is a front view which shows the medical knife concerning another example of this embodiment. (A) is a partial enlarged plan view of the handle of the medical knife shown in FIGS. 3 (a) and (b), (b) is also a partially enlarged front view, and (c) shows a guided portion of this handle. (A) It is the DD sectional view taken on the line of (b), (d) is the EE sectional view taken on the line (a) and (b), and (e) and (f) are different from this guided part, respectively. It is sectional drawing which shows an example. (A) is sectional drawing which looked at the halfway state which accommodates the medical knife in the normal position in the holder for medical blades concerning this embodiment from the front side, (b) is a front view similarly in the middle state accommodated in the abnormal position. It is sectional drawing seen from the side. (A) is an FF line expanded sectional view of Drawing 5 (b), (b) is an GG line expanded sectional view of Drawing 5 (b), and (c) is Drawing 1 (a). It is a HH line expanded sectional view, and (d) is a II line expanded sectional view of Drawing 1 (a). (A) is a figure equivalent to Drawing 6 (a) showing another example of a use state in a medical knife holder concerning this embodiment, and (b) is also a figure equivalent to Drawing 6 (b). FIG. 6A is a view corresponding to FIG. 6A and FIG. 6B is a view corresponding to FIG. 6B in a medical blade holder according to another example of the present embodiment. It is a perspective view which shows the holder for medical blades concerning this embodiment. It is a perspective view which shows the holder for conventional medical blades. (A) is a top view which shows the state which accommodated the medical blade in the conventional medical blade holder, (b) looked at the halfway state which accommodates the medical blade in the normal position in the conventional medical blade holder from the front side. It is sectional drawing which was, and (c) is sectional drawing which looked at the middle state similarly accommodated in the abnormal position from the front side.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Accommodating part, 4 ... Head end wall as head end part, 5 ... Bottom end wall as bottom end part, 7 ... Bottom wall as bottom part, 8 ... Opening part, 14, 19 ... Recessed part including a gap part, 15, 20, 26 ... insertion / extraction port, 17, 18, 22, 23, 27, 28 ... side face, 24, 29, 30, 32 ... holding part, 25 ... gap part, 31, 33 ... guide part, 34 ... medical knife 35 ... handle, 35a ... head end, 36 ... blade, 37 ... guided portion, Q ... accommodation position, X ... longitudinal direction.

Claims (4)

An accommodation part for accommodating a medical knife having a handle and a blade attached to the handle is provided. The accommodation part is provided with an opening through which the handle of the medical knife can be inserted and removed, and a handle inserted from the opening is provided. In the medical blade holder provided with a holding portion that holds the handle in the receiving position and restricts the movement of the handle, the handle further includes a handle relative to the handle receiving position in the initial state of inserting the handle into the receiving portion. A holder for a medical knife, characterized in that, when tilted in the circumferential direction, a guide part is provided for guiding the handle from this initial state to the accommodation position as the handle is inserted into the accommodation part. In the medical blade, the blade body is attached to one head end side of both longitudinal end portions of the handle, and the guide portion is opposite to one head end portion of the longitudinal end portions of the accommodating portion. The medical blade holder according to claim 1, wherein the medical blade holder is provided on a bottom end side of the handle and contacts a guided portion provided on a bottom end side of the handle. The holding portion and the guide portion each have a gap having an insertion / removal opening opened by the accommodation portion and both side surfaces extending opposite to each other on both sides of the accommodation portion facing both sides of the handle in the circumferential direction. A gap portion having an insertion / removal opening formed on the opening portion facing the bottom portion in the housing portion is opened on the bottom side facing the opening portion in the housing portion. The medical blade holder according to claim 2, wherein the medical blade holder is located on the side of the head end portion in the longitudinal direction of the housing portion relative to the gap portion having the insertion / removal port. The holding part has a plurality of juxtaposed in the longitudinal direction of the accommodating part, and has a holding part provided on the head end side of the accommodating part, and a holding part provided on the buttocks end side of the accommodating part, The medical blade holder according to claim 2 or 3, wherein the guide portion is provided continuously with a holding portion on a butt end portion side.

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