JP6445837B2 - Medical instrument sterilization case - Google Patents

Description

  The present invention relates to a medical instrument sterilization case that can be sterilized in a state in which a medical instrument having a rod-shaped gripping main body and a working tip provided at an end thereof is accommodated.

  Medical instruments such as dental instruments that have rod-shaped gripping bodies such as excavators and scalers used mainly in dentistry are stored in, for example, autoclaves for disinfection, sterilization, and sterilization after use. A plurality of cases are housed together in a possible case, and sterilization or the like is performed in a state of being housed in the case.

  As a case of such a medical instrument, for example, a disinfecting instrument described in Patent Document 1 below is known. This disinfecting instrument includes a lid that is slidably fitted, and a tray that accommodates a root canal treatment needle as a medical instrument. A notch for holding the treatment needle is formed at an appropriate interval on the upper edge of the vertical plate body of the grooved steel parallel to the tray, and the magnet is placed between the vertical plate bodies at a position lower than the notch position. ing.

  As a result, when the therapeutic needle is accommodated in the tray, the therapeutic needle enters the notch and is arranged in parallel at the notch interval if the central portion of the therapeutic needle is placed so as to span between the vertical plates. At the same time, it is attracted by a magnet, so that it can be accommodated in a state that does not easily come out of the notch. Also, when removing the therapeutic needle from the tray, if you pick up the therapeutic needle against the magnet's magnetic force by picking up the handle, you can remove any therapeutic needle without breaking the parallel state of the therapeutic needle be able to. When disinfecting, the lid is slid onto the tray while the therapeutic needle is accommodated, and the entire disinfecting instrument can be processed.

Japanese Utility Model Publication No. 2-20547

  However, in the disinfecting device of the prior art disclosed in the above-mentioned Patent Document 1, it is necessary to pick up the handle and take it up against the magnetic force of the magnet when taking out the treatment needle from the tray. If the notch interval is narrowed to accommodate and the parallel density is increased, it will be difficult to remove.

  On the other hand, when trying to accommodate more treatment needles without increasing the parallel density, the size of the tray, lid, or cabinet space of the disinfection device must be increased, so the overall handling of the disinfection device Is inferior, and the result is not suitable for the recent demand for miniaturization.

  In view of such circumstances, particularly in recent years, from the viewpoint of improving the efficiency of various spaces, it is possible to store as many medical instruments as possible in a limited space and perform sterilization treatment, etc. The advent of a case that can be easily selected and easily removed is desired.

  An object of the present invention is to provide a medical instrument sterilization case which can be easily taken out during use while eliminating the above-described problems caused by the prior art and increasing the accommodation density of the medical instrument while reducing the size. .

  The medical instrument sterilization case according to the present invention accommodates a plurality of medical instruments each having a rod-shaped gripping main body part and a work tip provided at at least one end of the gripping main body part. A rectangular box-shaped medical instrument sterilization case that can be stored in a sterilization apparatus in a state in which the instrument is accommodated, and includes a flat bottom surface portion and a side wall portion surrounding the bottom surface portion. A case main body in which the plurality of medical instruments are accommodated in a state of being arranged in parallel in a direction orthogonal to the longitudinal direction, a lid attached to the case main body so as to be openable and closable, and a bottom surface of the case main body A pair of support wall portions that respectively support the longitudinal direction end portions of each medical device that is erected and accommodated in the portion, and the case body portion in a standing state and in a state of being opposed to the pair of support wall portions. Can be rotated between And a movable support piece that lifts at least one end side of the gripping main body portion of the plurality of medical devices arranged alternately among the plurality of medical devices at the time of standing. And a movable piece portion.

  In one embodiment of the present invention, the movable support piece has a holding groove in which a part of the working distal end portion is fitted and the rotation direction about the axis of the grasping main body portion of the medical instrument can be fixed. Have.

  In another embodiment of the present invention, the lid portion has a pressing wall portion that presses the grip body portion of each medical instrument housed in the case body portion toward the bottom surface side of the case body portion. The internal space of the case and the external space are communicated with the bottom surface portion and the lid portion of the case main body portion at a predetermined location excluding the location corresponding to the storage position of the work front end portion and the vertical direction. A plurality of holes are formed.

  In still another embodiment of the present invention, the pair of support wall portions and the pressing wall portion are provided so that a part of the pair of support wall portions and the pressing wall portion protrudes outside at an attachment position with the case main body portion and the lid portion, respectively. Yes.

  ADVANTAGE OF THE INVENTION According to this invention, it can take out at the time of use, raising the accommodation density of a medical device, achieving size reduction.

It is a perspective view which shows the instrument use condition at the time of expansion | deployment of the medical instrument sterilization case which concerns on the 1st Embodiment of this invention. It is a side view which shows the instrument use state at the time of expansion | deployment of the medical instrument sterilization case in part in a cross section. It is a top view which shows the instrument accommodation state at the time of expansion | deployment of the medical instrument sterilization case. It is a side view which shows a part in cross section the apparatus accommodation state at the time of obstruction | occlusion of the medical instrument sterilization case. It is a top view which shows the instrument unaccommodated state at the time of obstruction | occlusion of the medical instrument sterilization case. It is a top view which shows the instrument unaccommodated state at the time of expansion | deployment of the medical instrument sterilization case. It is a top view which shows the state which stood up the movable support piece of the movable piece part in the instrument unaccommodated state at the time of expansion | deployment of the medical instrument sterilization case. It is a side view which shows the A-A 'cross section of FIG. It is a top view which shows the state which stood the movable support piece of the movable piece part in the instrument unaccommodated state at the time of expansion | deployment of the medical instrument sterilization case which concerns on the 2nd Embodiment of this invention. FIG. 10 is a side view showing the B-B ′ cross section of FIG. 9 in the instrument use state.

  Hereinafter, a medical instrument sterilization case according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[First Embodiment]
FIG. 1 is a perspective view showing an instrument use state when the medical instrument sterilization case according to the first embodiment of the present invention is deployed, and FIG. 2 is a partial cross-sectional view of the instrument use state when the medical instrument sterilization case is deployed. FIG. FIG. 3 is a plan view showing the instrument housing state when the medical instrument sterilization case is deployed, and FIG. 4 is a side view partially showing the instrument housing state when the medical instrument sterilization case is closed.

  FIG. 5 is a plan view showing an unaccommodated state of the medical instrument sterilization case when closed, and FIG. 6 is a plan view showing an unaccommodated state of the medical instrument sterilization case when deployed. FIG. 7 is a plan view showing a state in which the movable support piece of the movable piece portion is erected in a state in which the instrument sterilization case is not accommodated when the medical instrument sterilization case is deployed, and FIG. It is a side view.

  As shown in FIGS. 1-4, the medical instrument sterilization case 1 which concerns on the 1st Embodiment of this invention is medical instruments, such as dental instruments, such as an excavator, a scaler, a probe, and a sharp knife, for example. 20 has a rectangular box-like outer shape that can be housed in a sterilization apparatus such as an autoclave (high-pressure steam sterilization apparatus) (not shown) in a state where each medical instrument 20 is housed.

  The medical instrument 20 includes a grip main body 21 having a rod-like outer shape such as a round bar or a square bar, and a work tip 22 that is a shank portion provided at both ends of the grip main body 21. In addition, the grip main body 21 may be configured with a hollow structure for weight reduction, and the work tip 22 may be provided only at one end of the grip main body 21. In the present embodiment, a dental instrument having a round bar-shaped gripping main body 21 as the medical instrument 20 and working tip portions 22 that are deformed in the opposite directions on both ends of the gripping main body 21, respectively. An instrument excavator is illustrated.

  The medical instrument sterilization case 1 includes a case main body 10 accommodated in a plurality of cases in a state in which the grip main body 21 of the medical instrument 20 is arranged in parallel in a direction orthogonal to the longitudinal direction, and the case main body 10 includes For example, a lid 30 that opens and closes via a hinge 39 is provided. The case body 10 and the lid 30 are formed by punching / bending a plate-like metal material such as stainless steel or brass, for example, but may be formed by molding a resin material such as heat-resistant plastic. Good.

  The case main body 10 rises vertically from a pair of short sides and long sides of the bottom surface portion 11 on which a plurality of medical devices 20 are arranged, and surrounds the periphery of the bottom surface portion 11. A plurality of side wall portions 11a, 11b, 11c, and 11d are provided. The side wall portions 11c and 11d positioned in the parallel direction of the respective medical devices 20 accommodated are formed so as to be higher in height than the side wall portions 11a and 11b positioned in the longitudinal direction of the respective medical devices 20, The side wall part 11c on the side where the hinge part 39 is provided is formed so as to be approximately ½ the height of the side wall part 11d on the opposite side in the longitudinal direction. Accordingly, the heights of the side wall portions 11a to 11d are formed so as to satisfy the relationship of 11d> 11c> 11a (= 11b).

  Further, the medical instrument sterilization case 1 is provided at both ends in the longitudinal direction of each medical instrument 20 erected and accommodated on the bottom surface portion 11 of the case main body 10, that is, here, the proximal end side of the working distal end portion 22. Are provided with a pair of support wall portions 12 arranged in parallel. Each support wall portion 12 is made of an elastic material such as silicone rubber, and is erected from the bottom surface portion 11 of the case main body portion 10 such that the longitudinal direction thereof is along the parallel direction.

  In addition, as shown in FIG. 2, each support wall part 12 is shape | molded so that one part may protrude outside from the attachment hole 11e provided in the bottom face part 11, in the attachment location with the case main-body part 10, for example. Yes. The projecting flat head ridge 12 a not only catches on the opening peripheral edge of the mounting hole 11 e in order to maintain the standing state of the support wall 12, but also functions as a slip stopper on the outer surface 10 a of the case body 10. .

  As shown in FIGS. 5 to 8, each support wall portion 12 is formed with a slope 12 b at the front end portion in the opposite direction so that the front end side is slightly thinner. Each support wall portion 12 is formed with a plurality of support grooves 12c on the base end side of the work distal end portion 22 of the medical instrument 20 at predetermined intervals.

  The formation interval of the support grooves 12c is set, for example, such that adjacent gripping body portions 21 of the medical devices 20 arranged in parallel do not come into contact with each other and can be arranged as close as possible. Thereby, the some medical instrument 20 can be efficiently accommodated in the case main-body part 10 inside.

  Further, the medical instrument sterilization case 1 is provided on the case main body 10 so as to be rotatable between an upright state and an inverted state on the inner side in the opposing direction of the pair of support walls 12, and FIG. 7 and FIG. A plurality of movable support pieces 13 each for lifting the end side of the gripping main body portion 21 of every other medical device 20 among the plurality of medical devices 20 at the time of standing as shown in FIG. A pair of formed movable piece portions 14 are provided. One movable piece portion 14 and the other movable piece portion 14 are different from each other in two groups of medical devices 20 that are arranged so as to be shifted from each other among the plurality of medical devices 20. Each end is lifted.

  The pair of movable piece portions 14 includes a rotary shaft portion 10b that is positioned in parallel to the support wall portion 12 on the proximal end side of each movable support piece 13 and has end portions attached to the side wall portions 11c and 11d, and the rotary shaft portion. 10b, an attachment piece 14a attached at an inner position of the side walls 11c and 11d, and extends in parallel with the movable support piece 13 in the inverted state, and its tip rises vertically so that the movable piece 14 can be rotated. And an operation piece portion 14b formed.

  An arcuate portion 13a is formed on the distal end side of each movable support piece 13 so as to match the outer shape of the round bar-shaped gripping main body portion 21. A U-shaped groove 13 b is formed so that the movable piece portion 14 does not interfere with the grip main body portion 21. The pair of movable piece portions 14 is in an upright state by operating the operation piece portion 14b and rotating so that each movable support piece 13 is opened toward the support wall portion 12 from the inverted state. .

  In addition, when the grip main body 21 of the medical instrument 20 is formed in a square bar shape such as a quadrangle, the arcuate portion 13a may not be formed on the movable support piece 13. In this case, it is only necessary to lift the square bar-shaped gripping main body portions 21 of the medical devices 20 arranged at every other flat upper edge of the movable support piece 13 as described above. Further, it is sufficient that at least one movable piece 14 is provided on the case body 10. Even in this case, since every other medical instrument 20 can be lifted, it is possible to achieve an effect described later that it can be easily taken out during use.

  Here, the bottom part 11 of the case main body 10 has a medical instrument sterilization case, for example, between the pair of support wall parts 12, that is, at a place other than the place corresponding to the storage position of the working tip 22 and the vertical direction. A plurality of holes 18 are formed to communicate one internal space and the external space. By forming the plurality of holes 18 so as to avoid the storage position of the work tip 22, it is possible to effectively prevent problems such as the work tip 22 being accidentally caught in the hole 18 and broken. Can do.

  On the other hand, the lid portion 30 includes a flat lid body 31 that is disposed to face the bottom surface portion 11 of the case body portion 10 when closed, and a plurality of vertically falling from a pair of short sides and long sides of the lid body 31. Side wall portions 31a, 31b, 31c, and 31d are provided. The side wall part 31c hinged to the side wall part 11c of the case main body part 10 through the hinge part 39 has substantially the same height as the side wall part 11c, and is higher than the other side wall parts 31a, 31b, 31d. It is formed to become. Moreover, each side wall part 31a, 31b, 31d is formed so that it may become substantially the same height as the side wall part 11a, 11b of the case main-body part 10. FIG.

  In addition, the side wall part 31d of the cover part 30 engages so that it may cover the outer side of the side wall part 11c of the case main-body part 10 at the time of closure, for example. For this reason, an engagement piece 31g formed with an engagement hole 31f that engages with an engagement protrusion 11f provided on the side wall 11c when engaged is provided near the center of the side wall 31d. The closed state of the medical instrument sterilization case 1 is maintained by the engagement of the engagement protrusions 11f and the engagement holes 31f.

  The lid main body 31 of the lid portion 30 is provided with a medical instrument sterilization case 1 at a location other than the location corresponding to the housing position and the vertical direction of the work tip portion 22, as with the bottom surface portion 11 of the case main body portion 10. A plurality of holes 38 are formed to communicate between the internal space and the external space. When the medical instrument sterilization case 1 is closed, as shown in FIG. 4, a gap 19 is formed at a position where the side walls 11 a and 11 b of the case body 10 and the side walls 31 a and 31 b of the lid 30 are opposed to each other. The During autoclaving, saturated water vapor or the like appropriately enters and exits from the holes 18 and 38 and the gap 19 so that the medical instrument 20 accommodated therein can be sterilized.

  Further, the lid 30 includes a pressing wall 32 that is formed around the center of the lid body 31 so as to have a longitudinal direction in the opposing direction of the side walls 31 c and 31 d and falls from the lower surface of the lid body 31. The pressing wall portion 32 is made of an elastic material capable of pressing the grasping main body portion 21 of each medical instrument 20 accommodated in the case main body portion 10 toward the bottom surface portion 11 when closed. It is formed in a shape.

  For example, as shown in FIG. 4, the pressing wall portion 32 is formed so that a part of the pressing wall portion 32 protrudes to the outside from an attachment hole 31 e provided in the lid main body 31 at the attachment location with the lid portion 30. The flat head ridge 32 a has both functions of preventing slippage on the outer surface 30 a of the lid portion 30 and maintaining the standing state of the pressing wall portion 32, similarly to the flat head ridge 12 a described above.

  The medical instrument sterilization case 1 according to the first embodiment configured as described above is in a limited space in a state in which a plurality of medical instruments 20 are arranged in parallel as shown in FIGS. 3 and 4, for example. Can be accommodated at high density. For example, as shown in FIGS. 4 and 5, when the case main body 10 and the lid 30 are closed, the outer shape becomes a rectangular box shape, so that it can be efficiently performed in a limited space such as in a sterilization apparatus. It can be stored and sterilized.

  Further, as shown in FIGS. 1 and 2, for example, when the medical instrument 20 is used after sterilization, the movable piece 14 is movable in a tilted state by causing the operation piece 14b of the movable piece 14 to be raised by a finger or the like. The support piece 13 is rotated so as to stand upright. Thereby, the edge part vicinity of the holding | maintenance main-body part 21 of the medical instrument 20 arrange | positioned every other is alternately raised along a parallel direction, respectively.

  Since the space between the lifted portions of the grasping main body 21 of each medical device 20 has a space where a human finger can sufficiently enter, the case main body 10 can be easily selected by reliably selecting the desired medical device 20 during use. Can be taken out from. As described above, the medical instrument sterilization case 1 according to the first embodiment has a structure that allows the medical instrument 20 to be easily taken out during use while increasing the housing density of the medical instrument 20 while reducing the size. Realize.

[Second Embodiment]
FIG. 9 is a plan view showing a state in which the movable support piece of the movable piece portion is erected in the unaccommodated state of the medical instrument sterilization case according to the second embodiment of the present invention, and FIG. It is a side view which shows the BB 'cross section of an instrument use state. In the following description, the same reference numerals are assigned to portions that overlap the already described portions, and description thereof is omitted.

  As shown in FIGS. 9 and 10, the medical instrument sterilization case 1 according to the second embodiment is provided with a pair of movable piece portions 14 at positions closer to the nearby support wall portions 12, and each movable support. The U-shaped groove 13b between the pieces 13 is different from the medical instrument sterilization case 1 according to the first embodiment in that a deeper and elongated holding groove 13c is provided.

  For example, the holding groove 13c is formed to have a depth of 1.5 mm and a groove width of 1.5 mm, and in the use state of the medical instrument 20 in which the movable support piece 13 of the movable piece portion 14 is in the standing state, A part of the working tip 22 provided at the end of the grip main body 21 opposite to the side lifted by the movable support piece 13 is fitted.

  Thereby, since the direction of the rotation direction centering on the axis of the grip main body 21 of the medical instrument 20 can be fixed, the state of the leading end of the working tip 22 is fixed in an arbitrary direction. The medical instrument 20 can be held, and workability during use can be further improved, and user convenience can be enhanced.

[Other variations]
In the first and second embodiments described above, the pair of support wall portions 12 are made of an elastic material. For example, the upper edge portion is flat, or the support groove 12c and the holding groove 13c are formed on the upper edge portion. It may be made of a metal material. In addition to the U-shaped groove 13b between the movable support pieces 13, the holding groove 13c may be formed in the support groove 12c of the support wall 12 or the circular arc part 13a of the movable support piece 13. May be. Furthermore, although the case main body 10 and the lid 30 are connected by the hinge 39 so as to be opened and closed, they may be configured to be detachable.

DESCRIPTION OF SYMBOLS 1 Medical instrument sterilization case 10 Case main-body part 11 Bottom part 12 Support wall part 13 Movable support piece 13c Holding groove 14 Movable piece part 18, 38 Hole part 20 Medical instrument 21 Grasping main-body part 22 Working tip part 30 Lid part 31 Upper surface Part 32 Pressing wall

Claims (4)

A plurality of medical instruments each having a rod-shaped gripping main body and a work tip provided at at least one end of the gripping main body are accommodated inside the sterilization apparatus in a state in which each medical instrument is accommodated. A rectangular box-shaped medical instrument sterilization case,
A case in which a plurality of medical instruments are accommodated in a state in which a flat bottom surface portion and a side wall portion surrounding the bottom surface portion are provided, and the gripping main body portion is arranged in parallel in a direction orthogonal to the longitudinal direction. The main body,
A lid attached to the case body so as to be freely opened and closed;
A pair of support walls that respectively support the longitudinal ends of each medical instrument housed upright and accommodated on the bottom surface of the case body;
The case main body is provided so as to be rotatable between an upright state and an inverted state on the inner side in the opposite direction of the pair of support wall portions, and every other of the plurality of medical instruments at the time of standing. movable support piece to lift at least one end side of the grip main body portion of the deployed medical device is closed and the movable piece portion formed in a comb shape,
The bottom portion and the lid portion of the case main body, and a plurality of holes communicating the internal space and the external space of the case that are formed so as to avoid the housing position of the working tip Medical instrument sterilization case. The movable support piece has a holding groove in which a part of the working tip portion is fitted and the rotation direction about the axis of the grasping main body portion of the medical instrument can be fixed. The medical instrument sterilization case described. The lid, claims, characterized in that have a pressing wall portion for pressing against the grip main body of the medical instrument accommodated in the case main body portion to the bottom portion side of the case main body portion on the lower surface Item 1. A medical instrument sterilization case according to Item 1 or 2. The pair of support wall portions and the pressing wall portion are provided so that a part of the pair of supporting wall portions and the pressing wall portion protrudes to the outside at an attachment position with the case main body portion and the lid portion, respectively. Medical instrument sterilization case.

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