JP6498492B2 - Holder and sterilization method using the same - Google Patents

Description

  The present invention relates to a holder for holding a medical instrument and a sterilization method using the holder. In particular, the present invention relates to a holder for holding a prefilled syringe outer cylinder filled with a chemical solution after sterilization used for a prefilled syringe and a sterilization method using the holder.

  In recent years, medical instruments pre-filled with a chemical solution, such as prefilled syringes, have come to be widely used. In the production of a prefilled syringe, it is common to fill a purchased syringe outer cylinder with a chemical solution without manufacturing the syringe outer cylinder. For this reason, the syringe outer cylinder is conveyed from the outer cylinder manufacturer and is preferably sterilized before conveyance, and even an unsterilized one needs to be sterilized before filling with the chemical solution.

  In Patent Document 1, when a plurality of outer cylinders for syringes (injection cylinders in Patent Document 1) are transported as a transport container for a syringe outer cylinder, the whole is put in a bag made of a gas-impermeable film and gas is contained. Describes a medical container in which the bag is sterilized and then the bag is depressurized. And in patent document 1, this medical container is a plate-shaped rectangular holding tool provided with a plurality of cylindrical holding parts for holding the syringe barrel, and an upper surface is opened, and the inside of the opening is opened. It is described that the holder has a box-shaped container body installed as a nest.

  Patent Document 2 has an internal container that houses a nest for storing a plurality of syringe outer cylinders (injector body in Patent Document 2) as a transport container for the syringe outer cylinder, and is provided inside the inner container. A reusable container is described that is sterilized and transported with a nest stored in a holder such as a rail. Patent Document 2 describes that this nest has a rectangular nest main body having a flat structure (planar plate) and an opening that is formed in the nest main body and accommodates the syringe main body.

Japanese Patent No. 5412275 Japanese Patent No. 5382663

  In recent years, in the manufacture of a prefilled syringe, an unsterilized outer cylinder for a syringe is housed in a nest described in Patent Document 1 or 2 without using the transport container or transport container described in Patent Document 1 or 2. It has been studied to sterilize and then fill the sterilized syringe outer tube with a chemical solution in a sterile environment to obtain a prefilled syringe. In the manufacture of such a prefilled syringe, during sterilization, the plate-like nest is likely to be deformed due to heat during sterilization and the weight of the syringe outer cylinder accommodated in the nest. In particular, when sterilization is performed in a state where two opposite sides of one of the rectangular nests are supported by the sterilization rack mounting table and the other two opposite sides are not supported, The plate-like nest curves downward from the two supported sides toward the center of the nest.

  Therefore, the present invention has been devised to solve such a problem, and the problem is that a medical instrument is held by a holder, and the holder is sterilized in a state where the holder is supported by a mounting table of a sterilization rack. It is an object of the present invention to provide a holder that does not deform even when applied, and a sterilization method using the holder.

In order to solve the above problems, a holder according to the present invention is plate-shaped, and includes two first side portions that face each other, two second side portions that face each other, and the two first side portions. A rectangular main body having four corners connecting the two second sides, and protruding from the upper surface of the main body, and the two first sides and the two second sides A plurality of cylindrical portions disposed on the inner side of the portion, and holding the medical device in the cylindrical portion, wherein the main body portion is provided on each of the two second side portions. has a first outer peripheral rib formed to protrude from the upper surface of the main body portion, and a first reinforcing rib formed to protrude from the upper surface of the main body portion so as to intersect with the first outer peripheral ribs, the body portion And a second outer peripheral rib formed on each of the two first side portions so as to protrude from the upper surface of the main body. To a, the first outer peripheral ribs, and the second side portion side end portion of which forms part of the outer edge of the body portion, is formed at a position closest to the end portion of the second side portion The side of the first side part that is formed along the side end part of the second side part between the cylindrical part and the second outer peripheral rib forms a part of the outer edge of the main body part. It is formed along the side end portion of the first side portion between the end portion and the cylindrical portion formed at a position closest to the side end portion of the first side portion. To do.

In the holder according to the present invention, it is preferable that the cylindrical portion has an upper end opening and a lower end opening that are opened in the axial direction .

  The holder according to the present invention further includes a third outer peripheral rib formed so that the main body projects from the upper surfaces of the four corners so as to connect the first outer peripheral rib and the second outer peripheral rib. Is preferred.

  The holder according to the present invention preferably further includes an inter-cylinder rib formed so that the main body portion projects from the upper surface of the main body portion so as to connect the adjacent cylindrical portions. Further, in the holder according to the present invention, the inter-cylinder ribs connect the vicinity of the inner edges of the two first side parts linearly along the longitudinal direction of the two second side parts. It is preferable to have a rib.

  In the holder according to the present invention, when the medical instrument held in the cylindrical portion is sterilized, the two first side portions of the main body portion extend along a longitudinal direction of the two first side portions. It is preferable that the two sterilization racks are supported by a mounting table and the two second sides of the main body are not supported by the mounting table.

  According to the holder of the present invention, the main body portion has the first outer peripheral rib and the first reinforcing rib, whereby the medical device is held in the cylindrical portion during sterilization, and the two first Even if the sterilization is performed in a state where the side portion is supported by the mounting table of the sterilization rack and the two second side portions of the main body portion are not supported by the mounting table, the holder is moved from the two first side portions to the main body portion. Curving downward toward the center of the sheet is suppressed. According to the holder of the present invention, the main body portion further includes at least one of the second outer peripheral rib, the third outer peripheral rib, and the inter-cylinder rib, so that the holder can be curved during sterilization. It is further suppressed.

The sterilization method according to the present invention is a sterilization method for sterilizing the medical instrument held by a holder, which is plate-shaped and has two first sides facing each other and two second sides facing each other. A rectangular main body portion having four corners connecting the two first side portions and the two second side portions, and protruding from the upper surface of the main body portion, and the two second side portions. A plurality of cylindrical portions arranged on the inner side of one side, and the two second sides projecting from the upper surface of the main body and forming part of the outer edge of the main body A first outer peripheral rib formed along a side edge of the second side part , and a part of the outer edge of the main body part projecting from the upper surface of the main body part to each of the two first side parts prepare the retainer further having a second outer peripheral ribs formed along a side edge portion of the first side portion to form A step of holding the medical instrument in the cylindrical part of the holder, and the holder holding the medical instrument extending along the longitudinal direction of the two first side parts. A step of placing the two first sides on the sterilization rack having a placement table so that the two first sides are supported by the placement table and the two second sides not being supported by the placement table; And a step of performing sterilization with heat load on the medical device together with the mounted holder.

In the sterilization method according to the present invention, the cylindrical portion is disposed on the inner side of the two second side portions, the first outer peripheral rib is formed on the side end portion of the second side portion, and the second side portion. The second outer peripheral rib is formed between the side end portion of the first side portion and the first side portion, and is formed between the cylindrical portion formed at a position closest to the side end portion of the side portion. And the cylindrical portion formed at a position closest to the side end portion, and the holder projects from the upper surface of the main body portion so as to intersect the first outer peripheral rib. Preferably, the first reinforcing rib is further provided.

According to the sterilization method of the present invention, by using the holder having the first outer peripheral rib and the second outer peripheral rib , the medical instrument is held in the cylindrical portion of the holder during sterilization. Even if sterilization is performed in a state where the two first sides of the main body are supported by the mounting table of the sterilization rack and the two second sides of the main body are not supported by the mounting table, two holding members are provided. Bending downward from the first side toward the center of the main body is suppressed. In addition, according to the sterilization method of the present invention, the use of the holder further having the first reinforcing rib further suppresses the bending of the holder during sterilization.

According to the holder according to the present invention, even if sterilization is performed in a state where the medical instrument is held by the holder and the holder is supported by the mounting table of the sterilization rack, the holder does not deform.
Further, according to the sterilization method according to the present invention, even when sterilization is performed in a state where the medical instrument is held by the holder and the holder is supported by the mounting table of the sterilization rack, the holder does not deform. .

It is the top view seen from the upper surface side of the holder which concerns on this invention. It is the side view seen from the side edge part side of the 1st edge part supported by the mounting base of the sterilization rack of the holder of FIG. It is the side view seen from the side edge part side of the 2nd edge part which is not supported by the mounting base of the sterilization rack of the holder of FIG. It is the sectional view on the AA line of FIG. It is the BB sectional view taken on the line of FIG. It is CC sectional view taken on the line of FIG. It is a perspective view of the sterilization rack in which the holder which concerns on this invention is mounted.

An embodiment of a holder according to the present invention will be described in detail with reference to the drawings.
As shown in FIG. 1, the holder 1 of the present invention has a main body portion 2 and a cylindrical portion 3, and holds a medical instrument in the cylindrical portion 3 during sterilization.

  Here, the medical instrument is, for example, a syringe outer cylinder used for a prefilled syringe. As shown in FIGS. 2 and 3, the syringe outer cylinder 50 includes a cylindrical outer cylinder main body 51 and a nozzle cap 52 attached to the distal end side of the outer cylinder main body 51. A flange portion 53 extending outward in the radial direction is formed on the proximal end side of 51. When sterilizing, the syringe outer cylinder 50 is inserted into the cylindrical portion 3 from the nozzle cap 52 side, and the flange portion 53 is hooked on the upper end portion 3b of the cylindrical portion 3, so that the syringe is attached to the cylindrical portion 3. The outer cylinder 50 is held (see FIG. 5).

  The holder 1 is placed on a sterilization rack 100 as shown in FIG. When the holder 1 is placed on the sterilization rack 100, the two first side portions 2A, 2B of the main body portion 2 facing each other are the two first side portions 2A, 2B of the sterilization rack 100. Although supported by the mounting table 101 extending along the longitudinal direction, the two second side portions 2C and 2D of the main body 2 facing each other are not supported by the mounting table 101. The four corners 2F connecting the two first sides 2A, 2B and the second sides 2C, 2D may or may not be supported by the mounting table 101. Further, the mounting table 101 is provided with a cutout portion 102, and a part of the two first side portions 2 </ b> A and 2 </ b> B is located on the cutout portion 102. For this reason, a part of two 1st edge part 2A, 2B is not supported by the mounting base 101. FIG. In addition, a support portion of a holder hand (not shown) for lifting the holder 1 from the mounting table 101 is inserted into the notch 102.

  As shown in FIGS. 1 to 6, the main body 2 has a first outer peripheral rib 4 and a first reinforcing rib 5. The holder 1 is made of a general-purpose olefin resin such as polypropylene, polyethylene, or polystyrene, or a synthetic resin such as engineering plastic such as polycarbonate or modified polyphenylene ether, and is manufactured by molding or the like. When sterilizing a medical instrument by steam sterilization (autoclave), the holder 1 is preferably made of a synthetic resin having heat resistance, and particularly preferably made of a synthetic resin having a deflection temperature under load of 110 to 130 ° C. .

(Main body)
As shown in FIG. 1, the main body 2 includes two first side portions 2A and 2B facing each other, two second side portions 2C and 2D facing each other, and two first side portions 2A and 2B. It consists of a rectangular flat plate having two corners 2F of the main body connected to the two second sides 2C, 2D. The two first side parts 2A and 2B have side end parts 2a and 2b that form a part of the outer edge of the main body part 2, and the two second side parts 2C and 2D are outer edges of the main body part 2. Side end portions 2c and 2d forming a part of the. Here, the rectangular shape is a square shape or a rectangular shape, but also includes a trapezoidal shape. Further, the side end portions 2c and 2d of the two second side portions 2C and 2D are not limited to a linear shape, and may be a curved shape. In addition, the width | variety of 1st edge part 2A, 2B, 2nd edge part 2C, 2D is not limited to the width | variety described in FIG. 1, It adjusts suitably with a mounting base.

  The size of the main body 2 is not particularly limited, and various sizes can be used depending on the medical instrument to be held. For example, when the medical instrument is a syringe outer cylinder used for a prefilled syringe, the plate length is 229 to 231 mm, the plate width is 197 to 199 mm, and the plate thickness is 1.0 to 3.0 mm (preferably 1.0). ~ 2.0 mm) flat plate is used. Here, the plate length is the length of the body portion 2 along the longitudinal direction (side end portions 2a, 2b) of the first side portions 2A, 2B, and the plate width is the longitudinal direction of the second side portions 2C, 2D. It is the length of the main-body part 2 along (side edge part 2c, 2d).

  The main body 2 may have a grip 2f and a notch 2g. The grip portion 2f is a portion that is gripped by a suction hand (not shown) or the like when the holder 1 is carried out to the next step (for example, a chemical solution filling step), and the upper surface of the four corner portions 2F of the main body portion. The first side portions 2A and 2B supported by the mounting table 101 are formed on a part of the upper surface. The notch portion 2g is a portion used for alignment of the holder 1 in the next step (for example, a chemical solution filling step), and is formed at the side end portions 2c and 2d of the second side portions 2C and 2D that are not supported by the mounting table 101. Is done.

(Cylindrical part)
As shown in FIGS. 1 and 5, the cylindrical portion 3 is a cylindrical body formed so as to protrude from the upper surface 2 e of the main body portion 2, and has a predetermined interval, preferably an equal interval, on the upper surface 2 e of the main body portion 2. Many are formed. Moreover, the cylindrical part 3 is arrange | positioned inside two 1st edge | side parts 2A and 2B and two 2nd edge | side parts 2C and 2D.

  The cylindrical part 3 has an opening 3a that opens in the axial direction, and holds the medical instrument by housing the medical instrument in the opening 3a. Specifically, as shown in FIGS. 2, 3, and 5, when the medical instrument is a syringe outer cylinder 50, the flange portion 53 of the syringe outer cylinder 50 is attached to the upper end portion 3 b of the cylindrical portion 3. keeping. In addition, since the cylindrical part 3 is arrange | positioned inside two 1st edge | side parts 2A and 2B, when two 1st edge | side parts 2A and 2B are supported by the mounting base 101 of a sterilization rack, The syringe outer cylinder 50 held by the cylindrical portion 3 does not interfere with the mounting table 101.

  As shown in FIGS. 1, 4, and 5, the cylindrical portion 3 preferably has a tapered shape in which the opening diameter of the opening 3 a increases from the upper end 3 b toward the lower end 3 c. The shape of the opening 3a in plan view is not particularly limited as long as the medical instrument can be held, but is preferably circular. The opening diameter of the opening 3a is also set to a diameter that can hold the medical device. For example, when the medical device is the syringe outer tube 50, the opening diameter is 1.0 mm with respect to the outer diameter of the syringe outer tube 50. The larger opening diameter is set, and the protruding height of the cylindrical portion 3 from the main body 2 is also set to a height at which the medical device can be held. is there.

(First outer peripheral rib)
As shown in FIGS. 1, 3, and 6, the first outer peripheral rib 4 is an upright plate-like body formed to protrude from the upper surface 2 e of the main body 2 on each of the two second sides 2 </ b> C and 2 </ b> D. is there. And the 1st outer periphery rib 4 was formed in the position nearest to the side edge part 2c, 2d of 2nd edge part 2C, 2D which forms a part of outer edge of the main-body part 2, and side edge part 2c, 2d. Between the cylindrical part 3, it forms along the side edge part 2c, 2d of 2nd edge part 2C, 2D. The distance between the first outer peripheral rib 4 and the side end 2c (2d) is not particularly limited, and is appropriately set in consideration of the take-out property of the product (holding tool 1) at the time of molding.

  As shown in FIG. 3, the protruding height of the first outer peripheral rib 4 is preferably the same as the protruding height of the cylindrical portion 3 or lower than the protruding height of the cylindrical portion 3. The protruding height of the first outer peripheral rib 4 is preferably 1 mm or more lower than the protruding height of the cylindrical portion 3. Thereby, when holding the flange part 53 of the outer cylinder 50 for syringes by the upper end part 3b of the cylindrical part 3, the 1st outer peripheral rib 4 does not interfere with the flange part 53, but the flange part 53 is damaged, or a flange part No foreign matter is generated by rubbing with 53. In addition, when the protrusion height of the 1st outer periphery rib 4 is higher than the cylindrical part 3, while forming a mold easily, it becomes difficult to insert a medical instrument in the cylindrical part 3.

  The width of the first outer peripheral rib 4 is not particularly limited and is about 2.0 mm. However, since it becomes easy to take out the product (holding tool 1) at the time of molding, the width is increased from the lower side toward the upper side. It is preferable to decrease. In addition, since the intensity | strength etc. of the 1st outer periphery rib 4 will fall if the width | variety in the uppermost part of the 1st outer periphery rib 4 is too thin, it is preferable to set it as 0.5 mm or more.

  As described above, the main body 2 has the first outer peripheral rib 4 to improve the rigidity of the main body 2, and the main body 2 moves from the first side 2 </ b> A, 2 </ b> B to the center of the main body 2 during sterilization. It is possible to suppress bending downward.

(First reinforcing rib)
As shown in FIGS. 1, 3, and 6, the first reinforcing rib 5 is an upright plate-like body formed so as to protrude from the upper surface 2 e of the main body 2 so as to intersect the first outer peripheral rib 4. As shown in FIG. 1, it is preferable that the 1st reinforcement rib 5 is couple | bonded with the cylindrical part 3 formed in the position nearest to the side edge parts 2c and 2d. As shown in FIG. 6, the side end portion side of the first reinforcing rib 5 is notched on the upper side in order to facilitate removal of the product (holding tool 1) at the time of molding, that is, to facilitate die-cutting. Thus, it is preferable that the shape is inclined downward.

  The protruding height and width of the first reinforcing rib 5 are the same as those of the first outer peripheral rib 4 described above. As shown in FIG. 6, the protruding height of the first reinforcing rib 5 is preferably designed to be higher than that of the first outer peripheral rib 4.

  As described above, when the main body 2 has the first reinforcing rib 5, the rigidity of the first outer peripheral rib 4 is improved, and the rigidity of the main body 2 is further improved. As a result, the bending of the main body 2 during sterilization is further suppressed.

  As shown in FIG. 1, in the holder 1 of the present invention, the main body 2 has a second outer peripheral rib 6, a third outer peripheral rib 7, and an inter-cylinder rib in addition to the first outer peripheral rib 4 and the first reinforcing rib 5. Preferably, at least one of 8 is further included.

(Second outer peripheral rib)
As shown in FIGS. 1 and 2, the second outer peripheral rib 6 is an upright plate-like body formed on each of the two first side portions 2 </ b> A and 2 </ b> B so as to protrude from the upper surface 2 e of the main body portion 2. And the 2nd outer periphery rib 6 is formed in the position nearest to the side edge parts 2a and 2b of the two 1st edge parts 2A and 2B which form a part of outer edge of the main-body part 2, and the side edge parts 2a and 2b. It is formed along the side edge parts 2a and 2b of 1st edge part 2A, 2B between the cylindrical parts 3 made. The protruding height and width of the second outer peripheral rib 6 are the same as those of the first outer peripheral rib 4 described above.

  When the main body 2 has the second outer peripheral rib 6, the rigidity of the main body 2 is improved, and the bending of the main body 2 during sterilization is further suppressed. Moreover, it is preferable that the main-body part 2 has the 2nd reinforcement rib 9 formed so that it might protrude from the upper surface of the main-body part 2 so that the 2nd outer peripheral rib 6 might be crossed. Thereby, the rigidity of the 2nd outer periphery rib 6 improves, and the rigidity of the main-body part 2 further improves. As a result, the bending of the main body 2 during sterilization is further suppressed. The second reinforcing rib 9 is an upright plate-like body, and its protruding height and width are the same as those of the first reinforcing rib 5 described above.

(3rd outer peripheral rib)
As shown in FIGS. 1, 2, and 3, the third outer peripheral rib 7 has an upper surface of the main body 2 at each of the four corners 2 </ b> F so as to connect the first outer peripheral rib 4 and the second outer peripheral rib 6. It is an upright plate-like body formed so as to protrude from 2e. The third outer peripheral rib 7 is formed in the vicinity of the inside of the grip portion 2 f provided at the four corners 2 F of the main body 2.

  The shape of the third outer peripheral rib 7 in plan view is not particularly limited as long as the first outer peripheral rib 4 and the second outer peripheral rib 6 are connected to each other. However, the gripping operation of the main body 2 by the suction hand (not shown) is not limited. It is preferable that the shape is curved toward the center of the main body 2 so as not to interfere. The protruding height and width of the third outer peripheral rib 7 are the same as those of the first outer peripheral rib 4 described above.

  Since the main body 2 has the third outer peripheral rib 7, the first outer peripheral rib 4 and the second outer peripheral rib 6 are integrated, so that the rigidity of the first outer peripheral rib 4 is improved and the rigidity of the main body 2 is increased. Further improve. As a result, the bending of the main body 2 during sterilization is further suppressed.

(Rib between cylinders)
As shown in FIG. 1, the inter-cylinder ribs 8 (81, 82) are upright plate-like bodies formed to protrude from the upper surface 2 e of the main body 2 so as to connect the adjacent cylindrical parts 3. The protruding height and width of the inter-cylinder ribs 8 (81, 82) are the same as those of the first outer peripheral rib 4 described above. As shown in FIGS. 2 and 3, the protruding height of the inter-cylinder ribs 8 (81, 82) is preferably designed to be higher than that of the first outer peripheral rib 4 and the second outer peripheral rib 6.
Since the main body 2 has the inter-cylinder ribs 8 (81, 82), the rigidity of the main body 2 is further improved, and the bending of the main body 2 during sterilization is further suppressed.

  The coupling configuration of the inter-cylinder ribs 8 (81, 82) when the main body 2 is viewed in plan is adjacent to the longitudinal direction of the two second side portions 2C, 2D (direction parallel to the side end portions 2c, 2d). The first inter-cylinder rib 81 that connects the cylindrical parts 3 and the cylindrical parts 3 that are adjacent to each other in the longitudinal direction of the two second side parts 2A and 2B (the direction parallel to the side end parts 2a and 2b). A mode in which the two inter-cylinder ribs 82 are arranged in a lattice shape is preferable. In addition, the first inter-cylinder rib 81 extends along the longitudinal direction of the two second side portions 2C and 2D (the direction parallel to the side end portions 2c and 2d) near the inner edges of the two second side portions 2A and 2B. It is preferable that they are formed so as to be connected linearly (for example, the first inter-cylinder rib 81 located at the leftmost and rightmost positions in FIG. 1). Further, it is preferable that the inter-cylinder ribs 8 (81, 82) are not formed in the vicinity of the gate portion 10 corresponding to the resin injection port at the time of molding. In addition, the coupling | bonding form at the time of planar view may be a form in which the inter-cylinder ribs 8 connecting the cylindrical parts 3 adjacent in the oblique direction are arranged in a honeycomb shape.

  In the production of the holder 1, the main body portion 2, the cylindrical portion 3, the first outer peripheral rib 4, the first reinforcing rib 5, the second outer peripheral rib 6, the second reinforcing rib 9, the third outer peripheral rib 7, and the inter-cylinder rib 8 (81, 82) are preferably produced integrally by molding. Thereby, the function of each rib which improves the rigidity of the main-body part 2 is exhibited reliably, and the curvature of the main-body part 2 in the case of sterilization is suppressed reliably.

Next, the sterilization method according to the present invention will be described.
The sterilization method of the present invention is a sterilization method for sterilizing a medical instrument held by a holder, and has a plate shape as shown in FIG. 1 and is opposed to two first side portions 2A and 2B facing each other. A rectangular main body 2 having two second sides 2C, 2D, four first sides 2A, 2B and four corners 2F connecting the two second sides 2C, 2D; A step of preparing a holder 1 having a large number of cylindrical portions 3 that are formed so as to protrude from the upper surface of the main body 2 and that are disposed inside the two first side portions 2A, 2B; A sterilization rack having a step of holding a medical instrument in one cylindrical portion 3 and a mounting table 101 that extends the holder 1 holding the medical instrument along the longitudinal direction of the two first side portions 2A, 2B. 100 (see FIG. 7), the two first sides 2A, 2B are supported by the mounting table 101, and the two first sides It has the process of mounting so that the side parts 2C and 2D may not be supported by the mounting table 101, and the process of performing sterilization with a heat load on the medical device together with the holder 1 mounted on the sterilization rack 100. To do. The sterilization conditions in the sterilization method of the present invention are conventionally known conditions.

  In the sterilization method of the present invention, by using the holder 1 having the following characteristics, heat during sterilization and the weight (load) of the medical device held by the holder 1, particularly steam sterilization Deformation of the holder 1 (main body part 2) due to heat and load during autoclave, specifically, the main body part 2 faces downward from the two first side parts 2A, 2B toward the center of the main body part 2 It suppresses bending.

  The holder 1 used in the sterilization method of the present invention projects from the upper surface 2e of the main body part 2 to each of the two second side parts 2C and 2D, and forms a part of the outer edge of the main body part 2 It has the 1st outer periphery rib 4 formed along the side edge parts 2c and 2d of the part 2C and 2D.

Moreover, as for the holder 1, the cylindrical part 3 is arrange | positioned inside two 2nd edge part 2C, 2D, and the 1st outer peripheral rib 4 is the side edge part 2c, 2d of 2nd edge part 2C, 2D. And the cylindrical portion 3 formed at a position closest to the side end portions 2c and 2d, and is formed so as to protrude from the upper surface 2e of the main body portion 3 so as to intersect the first outer peripheral rib 4. The first reinforcing rib 5 is preferably further included.
The first outer peripheral rib 4 has side walls formed at the side end portions 2c and 2d of the two second side portions 2C and 2D, that is, the rib side surfaces are flush with the end surfaces of the side end portions 2c and 2d. You may be comprised by the wall part. In this case, the cylindrical portion 3 may be provided on the two second side portions 2C and 2D.

DESCRIPTION OF SYMBOLS 1 Holder 2 Main-body part 2A, 2B 1st edge part 2C, 2D 2nd edge part 2F Corner part 2a, 2b, 2c, 2d side edge part 2e Upper surface 3 Cylindrical part 4 1st outer periphery rib 5 1st reinforcement rib 6 Second outer peripheral rib 7 Third outer peripheral rib 8 Inter-cylinder rib 81 First inter-cylinder rib 82 Second inter-cylinder rib

Claims (8)

Two first sides that face each other, two second sides that face each other, and four corners that connect the two first sides and the two second sides. A rectangular main body having a plurality of cylindrical portions that protrude from the upper surface of the main body and are disposed on the inner side of the two first sides and the two second sides. And a holder for holding a medical instrument in the tubular part,
The main body portion protrudes from the upper surface of the main body portion so as to intersect the first outer peripheral rib, and a first outer peripheral rib formed to protrude from the upper surface of the main body portion on each of the two second side portions. A first reinforcing rib formed,
The main body further includes a second outer peripheral rib formed on each of the two first side portions so as to protrude from the upper surface of the main body,
The cylindrical shape in which the first outer peripheral rib is formed at a side end portion of the second side portion that forms a part of the outer edge of the main body portion and a position closest to the side end portion of the second side portion. Formed along the side edge of the second side part between the two parts ,
The cylindrical shape in which the second outer peripheral rib is formed at a side end portion of the first side portion that forms a part of the outer edge of the main body portion and a position closest to the side end portion of the first side portion. A holding tool formed along the side end portion of the first side portion with a portion . The holder according to claim 1, wherein the cylindrical portion has an upper end opening and a lower end opening that are opened in the axial direction. The main body further includes a third outer peripheral rib formed to project from the upper surfaces of the four corners of the main body so as to connect the first outer peripheral rib and the second outer peripheral rib. The holder according to claim 1 or 2 .   The at least one of Claims 1 to 3 characterized by the above-mentioned. The said main-body part further has the inter-cylinder rib formed by protruding from the upper surface of the said main-body part so that the said adjacent cylindrical parts may be connected. The holder described.   The inter-cylinder rib includes a first inter-cylinder rib that linearly connects the vicinity of the inner edges of the two first side parts along the longitudinal direction of the two second side parts. 5. The holding tool according to 4.   When sterilizing a medical instrument held in the cylindrical part, the two first side parts of the main body part are placed on a sterilization rack mounting table extending along the longitudinal direction of the two first side parts. The holder according to at least one of claims 1 to 5, wherein the holder is supported and the two second sides of the main body are not supported by the mounting table. A sterilization method for sterilizing a medical instrument held in a holder,
Two first sides that face each other, two second sides that face each other, and four corners that connect the two first sides and the two second sides. A rectangular main body portion, a plurality of cylindrical portions that protrude from the upper surface of the main body portion and are arranged on the inner side of the two first side portions, and the two second side portions, respectively. Projecting from the upper surface of the main body part and forming a part of the outer edge of the main body part along a side edge of the second side part, and the two first sides A holder that further includes a second outer peripheral rib formed along a side end portion of the first side portion that protrudes from the upper surface of the main body portion and forms a part of an outer edge of the main body portion in each of the portions. The process of preparing
Holding the medical instrument in the tubular part of the holder;
The holder holding the medical instrument is supported by a sterilization rack having a mounting table extending along the longitudinal direction of the two first side parts, and the two first side parts are supported by the mounting table, And the step of mounting so that the two second sides are not supported by the mounting table,
And sterilizing the medical device together with a heat load on each of the holders placed on the sterilization rack. The cylindrical portion is disposed on the inner side of the two second side portions;
The first outer peripheral rib is formed between the side end portion of the second side portion and the cylindrical portion formed at a position closest to the side end portion of the second side portion ,
The second outer peripheral rib is formed between the side end portion of the first side portion and the cylindrical portion formed at a position closest to the side end portion of the first side portion;
The sterilization method according to claim 7, wherein the holder further includes a first reinforcing rib formed so as to protrude from the upper surface of the main body so as to intersect the first outer peripheral rib.

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