JPWO2019235434A1 - Containment device - Google Patents

Abstract

Provided is an accommodating device capable of inserting a medical long body into a living body while holding the medical long body inside. A long shaft portion (20), a tip portion located on one end side of the shaft portion (20), and a group located on the other end side of the shaft portion (20) and having a larger outer diameter than the shaft portion (20). A container 1 for accommodating a medical long body (10) provided with an end portion, which is opposite to the first end portion (65) and the first end portion (65) on the side accommodating the tip portion. It has a second end (66) of a wound tube (60), and the tube (60) can be opened in a direction different from the direction away from the center (O) of the winding. The opening portion (64) has an opening portion (64) and a closing portion (63) that closes at least a part of the opening portion (64) and can release the closure of the opening portion (64). It extends from the first end (65) to the second end (66).

Description

The present invention relates to an accommodating device for accommodating a medical long body.

In recent years, in order to improve a lesion formed in a living lumen, a long medical body such as a catheter is inserted into a blood vessel to percutaneously treat the lesion in the living lumen. ing.

The medical long body is housed in an accommodating tool for convenience such as transportation and storage (see, for example, Patent Document 1). The accommodating device generally has a shape in which a tube for accommodating a medical long body is wound in a spiral shape. The medical long body is used by being pulled out from the end opening of the tube body. In the container described in Patent Document 1, an opening portion that opens to the outside is formed on the side of the tube body toward the winding center so that the balloon can easily move inside the tube body.

Japanese Unexamined Patent Publication No. 2016-67371

The medical long body may be provided with a grip portion or a kink-resistant protector at the base end portion of the long shaft portion, for example, a balloon catheter. Since the grip portion and the kink-resistant protector have a larger outer diameter than the shaft portion, they cannot pass through the inside of the tubular body. Therefore, the medical long body having the grip portion and the kink-resistant protector needs to be pulled out from the tube body toward the proximal end side before use. However, if the medical elongate is long, a large space is required to place the pulled out medical elongate. If the medical long body is rolled up and made smaller, undesired bending, entanglement, dropping, poor priming, etc. are likely to occur.

The present invention has been made to solve the above-mentioned problems, and provides an accommodating device capable of inserting a medical long body into a living body while holding the medical long body inside. The purpose is.

The accommodating tool that achieves the above object is a long shaft portion, a tip portion located on one end side of the shaft portion, and a group located on the other end side of the shaft portion and having a larger outer diameter than the shaft portion. An accommodating device for accommodating a medical long body including an end portion, the first end portion on the side accommodating the tip portion and the second end portion on the opposite side of the first end portion. The tubular body has a wound tubular body, and the tubular body has an open portion that can be opened in a direction different from the direction away from the center of winding, and at least a part of the open portion is closed and the open portion is closed. The opening portion extends from the first end portion to the second end portion.

In the accommodating tool configured as described above, since the open portion of the tubular body extends from the first end portion to the second end portion on the side where the tip end portion of the medical long body is accommodated, With the medical long body housed in the container, the tip of the medical long body can be taken out from the open portion and inserted into the living body. Further, the medical long body housed in the tube body is likely to be arranged in the direction away from the center of the winding inside the tube body due to the self-restoring force from the wound state. Therefore, even if there is an open portion that can be opened in a direction different from the direction away from the center of winding of the tubular body, the medical long body can be held inside the tubular body. Therefore, the accommodating device can insert the medical long body into the living body while holding the medical long body inside without completely pulling out the medical long body.

The open portion may extend from the first end portion to the second end portion. This allows the surgeon to completely remove the medical elongate from the tube through the opening.

The open portion may have a return portion that warps toward the outer surface side of the tubular body in a cross section orthogonal to the long axis of the tubular body. As a result, the edge portion of the open portion is less likely to come into contact with the medical long body passing through the open portion, and damage to the medical long body can be suppressed.

The closed portion may be connected to the open portion by a fragile portion having a breaking strength lower than that of the adjacent portion. As a result, the containment tool can remove the closed portion from the open portion by breaking the fragile portion. Since the closed portion before breaking the fragile portion is connected to the open portion by the fragile portion, the long medical body can be effectively held so as not to fall out from the inside of the tubular body.

One of the open or closed portions may have a groove extending along the long axis of the tubular body, and the other may have a protruding portion that slides into the groove. Thereby, the accommodating tool can arbitrarily adjust the closing and releasing of the opening by moving the closing along the long axis of the tubular body by sliding the protrusion along the groove.

The tubular body has a portion that overlaps with each other by being wound over 360 degrees, the closed portion has a convex portion formed protruding from the outer surface of the tubular body, and the convex portion is , May be fitted to the open portion. As a result, the accommodating tool can easily close the open portion by fitting the convex portion to the open portion. Further, the accommodating tool can easily release the closure of the opening portion by separating the convex portion from the opening portion.

The open portion may have at least one of the first end portion and the second end portion of the tubular body having an open end in which the width of the opening in the circumferential direction of the tubular body widens toward the end portion. As a result, the open end is less likely to come into contact with the medical long body passing through the open portion, and damage to the medical long body can be suppressed.

The accommodating tool has a holding portion for holding a tube body wound over 360 degrees at a plurality of locations arranged in the radial direction of the winding, and the holding portion maintains the open state of the open portion. , It may have a plurality of engaging portions that partially cover the outer peripheral surface of the tubular body and engage with the tubular body. As a result, the holding portion can maintain the wound state of the tubular body and maintain high operability of the accommodating tool while allowing the long medical body to be taken out from the open portion.

It is a top view which shows the state which accommodated the medical long body in the accommodating tool which concerns on embodiment of this invention. It is sectional drawing which shows the medical long body. It is sectional drawing which follows the AA line of FIG. It is a top view which shows the tip side of a tube body, (A) shows the state before removing a closed part from a tube body, (B) shows the state which the closed part is removed from the tip side of a tube body. It is a top view which shows the state which the medical elongate body is taken out from the container. It is sectional drawing which shows the modification of the accommodating tool. It is sectional drawing which shows the other modification of the accommodating tool, (A) shows the state which the opening part was closed by the closing part, and (B) is the state which released the closing of the opening part. It is sectional drawing which shows the further modification of the accommodating tool, (A) shows the state which the open part was closed by the closed part, and (B) is the state which released the closed part of the open part. It is sectional drawing which shows the further modification of the accommodating tool, (A) is the state which the open part was closed by the closed part, (B) is the state which the closed part is slid along the open part, (C). Indicates a state in which the closed portion is removed from the open portion.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The dimensions of the drawings may be exaggerated and differ from the actual dimensions for convenience of explanation. Further, in the present specification and the drawings, components having substantially the same function are designated by the same reference numerals, so that duplicate description will be omitted. In the present specification, the side to be inserted into the lumen is referred to as the "tip side", and the hand side to be operated is referred to as the "base end side".

As shown in FIG. 1, the accommodating tool 1 according to the present embodiment accommodates the medical long body 10 for the purpose of storing and transporting the medical long body 10. First, the medical long body 10 housed in the housing tool 1 will be described.

The medical long body 10 is, for example, a rapid exchange type balloon catheter in which a guide wire lumen is provided only at the tip portion. As shown in FIG. 2, the medical long body 10 is fixed to a long shaft portion 20 having flexibility, a balloon 30 provided at the tip portion of the shaft portion 20, and a base end of the shaft portion 20. It is provided with a grip portion 40 provided at the base end portion. The balloon 30 is protected by being covered with a sheath-shaped protective sheath 50 in a state before use.

The length of the tip portion of the medical long body 10 is 5 mm to 600 mm, preferably 40 mm to 300 mm. The length of the shaft portion 20 is 500 mm to 2500 mm, preferably 1000 mm to 2000 mm. The length of the base end portion of the medical long body 10 is 10 mm to 300 mm, preferably 30 mm to 200 mm.

The shaft portion 20 includes an outer pipe 21 having an open tip and a base end, and an inner pipe 22 arranged inside the outer pipe 21. An expansion lumen 23 through which an expansion fluid for expanding the balloon 30 flows is formed between the outer tube 21 and the inner tube 22. A guide wire lumen 24 into which a guide wire is inserted is formed inside the inner pipe 22. The tip of the inner tube 22 is located closer to the tip than the tip of the outer tube 21. The base end of the outer tube 21 is fixed to the grip portion 40. The base end of the inner pipe 22 penetrates the outer pipe 21 sideways between the tip end and the base end of the outer pipe 21 and is opened at the opening 25. The opening 25 is an opening on the proximal end side of the guide wire lumen 24.

The tip side of the balloon 30 is adhered to the inner tube 22, and the base end side is adhered to the outer tube 21. The internal space of the balloon 30 communicates with the expansion lumen 23. When the expansion fluid flows into the inside of the balloon 30 via the expansion lumen 23, the balloon 30 expands radially outward, and for example, the narrowed portion of the biological lumen can be expanded.

The grip portion 40 includes a grip portion main body 41 to which the outer pipe 21 is adhesively fixed, a base end opening 42 that communicates with the expansion lumen 23 to allow expansion fluid to flow in and out, and a kink-resistant protector 46. .. The kink-resistant protector 46 is made of an elastic material and suppresses kinking at the connection portion between the grip portion main body 41 and the shaft portion 20.

Next, the accommodating tool 1 will be described. As shown in FIGS. 1, 3 and 4, the accommodating tool 1 is a connection in which a tubular body 60 for accommodating the medical elongated body 10 and a base end portion of the medical elongated body 10 are connected to the tubular body 60. A portion 70 and a holding portion 80 that holds the long pipe body 60 in a wound state are provided. The housing device 1 containing the medical long body 10 is housed in, for example, a substantially quadrangular packaging bag 2 together with a mount (not shown).

The tubular body 60 is wound once or more (2.5 times in this embodiment). The tubular body 60 accommodates the shaft portion 20, the balloon 30, and the protective sheath 50 of the medical elongated body 10. The tubular body 60 is shaped in a wound state in order to efficiently accommodate the long shaft portion 20. The tubular bodies 60 that are wound a plurality of times and overlap each other are held in a wound state by the holding portion 80. As long as the wound state can be maintained, the wound and overlapping portions of the tubular body 60 do not have to be connected by the holding portion 80. Further, the wound and overlapping portions of the tubular body 60 may be joined by a method such as adhesion or fusion.

The length of the tubular body 60 is 1000 mm to 4000 mm, preferably 1500 mm to 3000 mm. The length of the tubular body 60 is longer than the length of the tip portion and the shaft portion 20 excluding the grip portion 40 of the medical long body 10, but the length is not limited to this, and at least a part of the tip portion of the medical long body 10 is. It may be the length to be exposed.

The tubular body 60 is wound so that the axial center X of the tubular body 60 is located on the same plane P. Therefore, the container 1 is not bulky and is preferable for storage and transportation. The tubular body 60 includes a first end portion 65 that accommodates the tip end side of the medical elongated body 10, and a second end portion 66 that accommodates the proximal end side of the medical elongated body 10. In the present embodiment, the first end portion 65 is located on the side toward the center O of the winding, and the second end portion 66 is located on the side away from the center O of the winding. The first end portion 65 accommodating the tip end side of the medical elongate body 10 is located on the side away from the center O of the winding, and the second end portion side accommodating the base end portion side of the medical elongate body 10 is accommodated. The end 66 may be located on the side facing the center O of the winding. Further, the axial center X of the tubular body 60 does not have to be located on the same plane P. It is preferable, but not limited to, the portions adjacent to each other by winding the tube body 60 beyond 360 degrees at intervals.

The tubular body 60 is formed with two rows of fragile portions 61 substantially parallel to the long axis X of the tubular body 60 on the side toward the center O of the winding. The fragile portion 61 of each row is formed by being sandwiched between a plurality of holes 62 arranged along the long axis X. The hole 62 penetrates from the inner surface to the outer surface of the tubular body 60. The hole 62 does not have to penetrate. The two rows of fragile portions 61 extend away from each other at the first end 65 and the second end 66 (see FIG. 4A). Therefore, the band-shaped closing portion 63 sandwiched between the two rows of the fragile portion 61 has a wide width in the circumferential direction of the tubular body 60 at the first end portion 65 and the second end portion 66. Therefore, the end portion of the closing portion 63 is easily grasped and pulled by the operator.

The closed portion 63 is removed from the tubular body 60 by breaking the fragile portion 61. The closing portion 63 is located on the side of the tubular body 60 toward the winding center O. The portion of the tubular body 60 formed by removing the closing portion 63 that sandwiches the slit-shaped opening is the opening portion 64 (see FIG. 4B). That is, the tubular body 60 has an open portion 64 that can be opened to the outside toward the center O of the winding, a closed portion 63 that closes the open portion 64, and a fragile portion 61 that connects the open portion 64 and the closed portion 63. And have. A shape that does not completely surround the entire circumference over 360 degrees due to the formation of the open portion 64 is also defined as one form of the tubular body. The open portion 64 has an open end 67 at the first end portion 65 and the second end portion 66 in which the width W of the opening in the circumferential direction of the tubular body 60 widens toward the end portion. The open end 67 may be provided only on one of the first end portion 65 and the second end portion 66. Further, the open end 67 may not be provided. Since the open end 67 extending toward the end is difficult for the medical long body 10 to be caught, damage to the medical long body 10 can be suppressed. The length of the open end 67 is 1 mm to 50 mm, preferably 5 mm to 20 mm.

The structure of the fragile portion 61 is not limited as long as it is more easily broken than the adjacent portion, and may be, for example, a groove extending along the long axis X on the inner surface and / or the outer surface of the tubular body 60. Further, the fragile portion 61 may be provided on the first end portion 65 side and may not be provided on the second end portion 66 side. That is, the tubular body 60 has a second end portion 66 in which the base end portion of the medical long body 10 is accommodated when the first end portion 65 in which the tip end portion of the medical long body 10 is accommodated is opened. Does not have to be released.

The width W of the open portion 64 in the cross section orthogonal to the long axis X of the tubular body 60 is preferably equal to or larger than the outer diameter of the shaft portion 20 so that the shaft portion 20 can be discharged to the outside. Further, the width W of the opening portion 64 is more preferably equal to or larger than the maximum outer diameter of the protective sheath 50 on the outside of the balloon 30 so that the balloon 30 covered with the protective sheath 50 can be discharged to the outside. Since the tube body 60, the shaft portion 20, the balloon 30, and the protective sheath 50 can be deformed, the width W is not limited to the above range, but the shaft portion 20, the balloon 30, and the protective sheath 50 can be opened from the opening portion 64. Can be released to the outside. Further, in the cross section orthogonal to the major axis X of the tubular body 60, the opening angle θ of the opening portion 64 centered on the major axis X of the tubular body 60 is not particularly limited, but is a medical length housed in the tubular body 60. It is preferably 180 degrees or less, more preferably 150 degrees or less, and even more preferably 120 degrees or less so that the scale body 10 can be suppressed from falling off as much as possible. The opening angle θ may be 90 degrees or less, or 60 degrees or less.

The opening portion 64 is arranged so as not to be blocked by the facing portion 68 located on the outer peripheral surface of the adjacent pipe body 60 on the side away from the winding center O by being wound over 360 degrees. There is.

The open portion 64, the fragile portion 61, the closed portion 63, and the facing portion 68 are integrally formed. The open portion 64, the fragile portion 61, the closed portion 63, and the facing portion 68 do not have to be integrally formed.

The material constituting the tubular body 60 is not particularly limited, and for example, polyolefins such as polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, polyvinyl chloride, polystyrene, polyamide, polyimide and the like are used. it can.

As shown in FIGS. 1 and 3, the holding portion 80 is a member for holding the tubular body 60 in a wound state. A plurality of holding portions 80 are provided in the winding direction of the tubular body 60 (the direction in which the tubular body 60 extends while being wound). The number of holding portions 80 may be one. The holding portion 80 is connected to the pipe body 60 without covering the opening portion 64 so that the closing portion 63 can be removed from the opening portion 64 and the medical long body 10 inside the pipe body 60 can be taken out from the opening portion 64. .. The holding portion 80 includes a holding main body portion 82 and a plurality of engaging portions 81 protruding from the holding main body portion 82. The holding main body portion 82 extends in the direction in which the winding pipes 60 are lined up, that is, in a direction substantially perpendicular to the major axis direction X of the holding portion 80 and along the plane P. Each engaging portion 81 projects like a hook from the holding main body portion 82 and can be hooked on the outer peripheral surface of the tubular body 60. Each engaging portion 81 covers the side of the pipe body 60 where the facing portion 68 is located, and does not cover the side where the closing portion 63 is located. Therefore, the holding portion 80 does not prevent the operator from removing the closing portion 63 from the opening portion 64 of the tubular body 60 and taking out the medical long body 10 from the opening portion 64. The number of engaging portions 81 in one holding portion 80 is not particularly limited, but is preferably equal to or greater than the number of windings of the holding portion 80. In the present embodiment, for example, there are a holding portion 80 having two engaging portions 81 and a holding portion 80 having three engaging portions 81. The holding portion 80 is detachable from the tubular body 60, but may be non-detachably bonded by a method such as adhesion or fusion.

The connecting portion 70 is a member for connecting the medical long body 10 to the wound tube body 60. The connecting portion 70 includes a connecting holding portion 71 that holds the tubular body 60 in a wound state, and a long body connecting portion 72 that is connected to the medical long body 10. The connecting holding portion 71 has the same configuration as the holding portion 80 described above. The elongated body connecting portion 70 is formed in a hook shape so as to partially surround the outer peripheral surface of the grip portion 40 of the medical elongated body 10. The elongated body connecting portion 70 is detachably connected to the grip portion 40.

The material constituting the holding portion 80 and the connecting portion 70 is not particularly limited, and for example, polyolefins such as polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, polyvinyl chloride, polystyrene, polyamide, etc. Polyethylene or the like can be used.

Next, a method of using the accommodating tool 1 according to the present embodiment will be described.

First, the operator inserts a guide wire and a guiding catheter or guiding sheath into the body (not shown). Next, as shown in FIGS. 1, 3, and 4 (A), the surgeon prepares the container 1 in which the medical long body 10 is housed. Specifically, the surgeon takes out the container 1 containing the medical long body 10 from the unit box, and checks the tube body 60 for any abnormal part where the closing portion 63 is torn or damaged. Check visually. If there is no abnormality, the surgeon takes out the container 1 containing the medical long body 10 from the storage bag 2 and the mount (not shown).

Next, the operator grips the closing portion 63 located on the side of the first end portion 65 and pulls it in the direction away from the opening portion 64. As a result, as shown in FIGS. 4B and 5, the fragile portion 61 between the closed portion 63 and the open portion 64 is broken, and the closed portion 63 is gradually disengaged from the first end portion 65 side. The surgeon can remove the closing portion 63 having a length corresponding to the required length of the medical long body 10 from the first end portion 65 side. For example, the surgeon can remove the closure 63 from the opening 64 until the opening 25 is exposed. The shaft portion 20, the balloon 30, and the protective sheath 50 of the medical long body 10 are exposed from the open portion 64 from which the closed portion 63 has been removed, and can be taken out to the outside. The closure 63 may be completely removed from the tube 60. In this case, the fragile portion 61 between the closed portion 63 and the open portion 64 is broken from the first end portion 65 to the second end portion 66 of the tubular body 60. When the closing portion 63 is completely removed from the tubular body 60, the closing portion 63 may be removed from the second end 66 side.

Next, the operator takes out the balloon 30 and the shaft 20 covered with the protective sheath 50 from the opening portion 64, and removes the protective sheath 50 from the balloon 30. In the shaft 20, it is preferable that the opening 25 is taken out from the opening 64. Since the width W of the opening portion 64 is large enough to allow the balloon 30 and the shaft 20 covered with the protective sheath 50 to pass through, the balloon 30 and the shaft 20 covered with the protective sheath 50 can be easily taken out to the outside. .. Further, since the open portion 64 has the open end 67 having a wide width W at the first end portion 65 and the second end portion 66, the medical long body 10 is unlikely to be caught by the open end 67. Therefore, damage to the medical long body 10 can be suppressed. After this, the surgeon primes the medical long body 10.

Next, the operator removes the grip portion 40 from the long body connecting portion 70. As a result, even if torque is applied to the grip portion 40 when the medical long body 10 is inserted into the living body, it is possible to prevent the accommodating tool 1 from twisting. Next, the operator inserts the guide wire into the guide wire lumen 24 of the medical elongated body 10, and inserts the tip of the medical elongated body 10 held by the tubular body 60 along the guide wire. And insert it into the living lumen. Since the medical long body 10 is a rapid exchange type, the opening 25 on the base end side of the guide wire lumen 24 is piped while the base end side of the medical long body 10 is housed in the tube body 60. It can be taken out from the body 60. Therefore, the guide wire does not penetrate the inside of the medical long body 10 located inside the tube body 60, but is located outside the tube body 60. Therefore, it is easy to operate the medical long body 10 by applying torque, for example, while the proximal end side of the medical long body 10 is housed in the tube body 60.

If necessary, the surgeon can further pull the closing portion 63 to gradually expand the released opening portion 64 toward the proximal end side. When the entire length of the medical long body 10 is not used, the operator can perform the procedure using the medical long body 10 without completely pulling out the medical long body 10 toward the proximal end side. .. When using the entire length of the medical long body 10, the operator completely removes the closing portion 63 from the tubular body 60, removes the entire medical long body 10 from the tubular body 60, and performs the procedure. Can be done.

If necessary, the surgeon can re-storing the medical long body 10 from the opening portion 64 into the inside of the tube body 60 during the procedure. In this case, first, the grip portion 40 is connected to the long body connecting portion 70. After that, from the proximal end side of the medical long body 10 located on the outside of the tubular body 60, is re-stored so as to be fitted inside the tubular body 60. As a result, the medical long body 10 is not bulky and the work becomes easy.

As described above, the accommodating tool 1 according to the present embodiment includes a long shaft portion 20, a tip portion located on one end side of the shaft portion 20, and a shaft portion 20 located on the other end side of the shaft portion 20. An accommodating tool 1 for accommodating a medical long body 10 having a base end portion having a larger outer diameter than the outer diameter, and opposite to the first end portion 65 and the first end portion 65 on the side accommodating the tip end portion. It has a tubular body 60 that is wound with a second end portion 66 on the side, and the tubular body 60 has an opening portion 64 that can be opened in a direction different from the direction away from the center O of the winding, and an opening portion. It has a closing portion 63 that closes at least a part of the 64 and can release the closing of the opening portion 64, and the opening portion 64 extends from the first end portion 65 to the second end portion 66. ing.

In the accommodating tool 1 configured as described above, the open portion 64 of the tubular body 60 extends from the first end portion 65 to the second end portion 66 on the side where the tip end portion of the medical long body 10 is accommodated. Therefore, the tip portion of the medical long body 10 can be taken out from the open portion 64 and inserted into the living body in a state where the medical long body 10 is housed in the accommodating tool 1. Further, the medical long body 10 housed in the tubular body 60 is likely to be arranged in a direction away from the center O of the winding inside the tubular body 60 due to its own restoring force from the wound state. Therefore, even if there is an opening portion 64 that can be opened in a direction different from the outside of the winding of the tube body 60, the medical long body 10 can be held inside the tube body 60. Therefore, the accommodating tool 1 can insert the medical long body 10 into the living body while holding the medical long body 10 inside without completely pulling out the medical long body 10.

The opening portion 64 extends from the first end portion 65 to the second end portion 66. As a result, the operator can completely remove the medical long body 10 from the tube body 60 through the opening portion 64.

The closed portion 63 is connected to the open portion 64 by a fragile portion 61 having a breaking strength lower than that of the adjacent portion. As a result, the housing tool 1 can remove the closing portion 63 from the opening portion 64 by breaking the fragile portion 61. Since the closed portion 63 before breaking the fragile portion 61 is connected to the open portion 64 by the fragile portion 61, the medical long body 10 can be effectively held so as not to fall out from the inside of the tubular body 60.

The open portion 64 has an open end 67 at least one of the first end portion 65 or the second end portion 66 of the tubular body 60, in which the width of the opening in the circumferential direction of the tubular body 60 widens toward the end portion. There is. As a result, the open end 67 is less likely to come into contact with the medical long body 10 passing through the open portion 64, and damage to the medical long body 10 can be suppressed.

The accommodating tool 1 has a holding portion 80 that holds the tubular body 60 that is wound over 360 degrees at a plurality of locations arranged in the radial direction of the winding, and the holding portion 80 maintains the open state of the open portion 64. However, it has a plurality of engaging portions 81 that partially cover the outer peripheral surface of the tubular body 60 and engage with the tubular body 60. As a result, the holding portion 80 can maintain the wound state of the tubular body 60 and maintain the high operability of the accommodating tool 1 while allowing the medical long body 10 to be taken out from the open portion 64.

The present invention is not limited to the above-described embodiment, and various modifications can be made by those skilled in the art within the technical idea of the present invention. For example, as in the modified example shown in FIG. 6A, the open portion 91 of the tubular body 90 is closed as the outer peripheral surface of the adjacent tubular body 90 when the tubular body 90 is wound over 360 degrees. It may be closed by part 92. The tubular body 90 does not have a fragile portion that breaks and a closed portion that is connected to the open portion 91 by the fragile portion. By deforming the tubular body 90 along the plane P, the operator can easily release the closure of the opening portion 91 by separating the closing portion 92 from the opening portion 91, as shown in FIG. 6 (B). Further, the operator can easily close the opening portion 91 by the closing portion 92 as shown in FIG. 6A by returning the deformation of the tube body 90. When the closed portion 92 is separated from the open portion 91, the adjacent portions of the tubular body 90 may be separated from each other in a direction orthogonal to the plane P instead of being separated along the plane P.

Further, as in another modification shown in FIG. 7A, the open portion 101 of the tubular body 100 is formed on the outer peripheral surface of the adjacent tubular body 100 by winding the tubular body 100 over 360 degrees. It may be closed by the closing portion 102 provided. The closed portion 102 has a convex portion 103 formed so as to project from the outer surface of the tubular body 100, and the convex portion 103 can be fitted to the opposite open portion 101. As a result, the surgeon deforms the tubular body 100 along the plane P, so that the convex portion 103 is separated from the open portion 101 and the open portion 101 can be easily closed, as shown in FIG. 7 (B). It can be released. Further, the operator can easily close the open portion 101 by fitting the convex portion 103 to the open portion 101 as shown in FIG. 7A by returning the deformation of the tubular body 100. By fitting the convex portion 103 of the closed portion 102 to the open portion 101, the adjacent portions of the tubular body 100 are connected to each other, and the wound state can be maintained satisfactorily. Further, by fitting the convex portion 103 to the open portion 101, the state in which the open portion 101 is closed by the closed portion 102 can be satisfactorily maintained. Therefore, the closing portion 102 can effectively hold the medical long body 10 so as not to fall out from the inside of the tube body 100. When the closed portion 102 is separated from the open portion 101, the adjacent portions of the tubular body 100 may be separated from each other in a direction orthogonal to the plane P, instead of being separated from each other along the plane P.

Further, as in still another modification shown in FIG. 8A, the open portion 111 of the tubular body 110 warps back toward the outer surface side of the tubular body 110 in a cross section orthogonal to the long axis X of the tubular body 110. It may have a part 112. The closed portion 113 is formed in an arc shape in a cross section orthogonal to the long axis X of the tubular body 110, and is connected to the open portion 111 by the fragile portion 61. The opening portion 111 can be opened in a direction orthogonal to the plane P. The direction orthogonal to the plane P is a direction different from the direction away from the center O of the winding. The direction in which the opening portion 111 is opened is not particularly limited as long as it is not in the direction away from the center O of the winding.

When the operator grips and pulls the closed portion 113, the fragile portion 61 breaks and the closed portion 113 separates from the open portion 111, as shown in FIG. 8 (B). As a result, the opening portion 111 is opened. Since the opening portion 111 has the return portion 112, the edge portion 114 of the opening portion 111 that was in contact with the fragile portion 61 becomes difficult to come into contact with the medical long body 10 passing through the opening portion 111. Therefore, damage to the medical long body 10 can be suppressed. The shortest distance L1 between the two return portions 112 facing each other across the slit-shaped opening in the cross section orthogonal to the long axis X of the tubular body 110 is shorter than the shortest distance L2 between the edge portions 114 of each open portion 111. Is preferable. As a result, the edge portion 114 becomes more difficult to come into contact with the medical long body 10 passing through the open portion 111. Therefore, damage to the medical long body 10 can be further suppressed. Further, since the open portion 111 is opened in a direction substantially orthogonal to the plane P on which the tubular body 110 is wound, the open portion 111 is wound beyond 360 degrees to other than the adjacent tubular body 110. It is hard to interfere with the part of. Therefore, the closing portion 113 can be easily removed from the opening portion 111, and the medical long body 10 can be easily taken out from the inside of the tubular body 110 via the opening portion 111.

Further, as in yet another modification shown in FIG. 9A, the closed portion 124 of the tubular body 120 may be slidable along the long axis X of the tubular body 120. The open portion 121 of the tubular body 120 has a return portion 122 that warps toward the outer surface side of the tubular body 120 and a groove portion 123 in a cross section orthogonal to the long axis X of the tubular body 120. The groove portion 123 is located on the outer surface side of the position where the return portion 122 of the pipe body 120 is provided. In a cross section orthogonal to the long axis X of the tubular body 120, the closed portion 124 is formed in an arc shape, and projecting portions 125 slidably fitted to the groove portion 123 are formed at both ends. The groove portion 123 and the protrusion portion 125 may be formed by being divided into a plurality of portions so as to be slidable with each other, without being continuous along the long axis X of the tubular body 120. Further, the groove portion may be formed in the closed portion 124, and the protruding portion may be formed in the open portion 121. The opening portion 121 can be opened in a direction orthogonal to the plane P. The direction orthogonal to the plane P is a direction different from the direction away from the center O of the winding. The direction in which the opening portion 121 is opened is not particularly limited as long as it is not in the direction away from the center O of the winding.

When the operator grasps the closed portion 124 and pulls it along the long axis X of the tubular body 120 toward the base end side (the side where the second end portion 66 is provided), it protrudes as shown in FIG. 9 (B). The portion 125 slides on the groove portion 123, and the closed portion 124 moves toward the proximal end side. As a result, the closing of the opening portion 121 is released from the first end portion 65 side of the tubular body 120. The surgeon can take out the medical long body 10 from the open portion 121 whose closure has been released. When the operator grasps the closed portion 124 and pulls it along the long axis X toward the tip side (the side where the first end portion 65 is provided), the opened portion 121 released from the closure is gradually released by the closed portion 124. It will be closed. In this way, the operator can arbitrarily adjust the closing and unclosing of the opening 121 by moving the closing portion 124 along the direction of the long axis X of the tube body 120. Further, as shown in FIG. 9C, the closed portion 124 can be removed from the open portion 121 in a direction orthogonal to the plane P without sliding by deforming the closed portion 124 and / or the protruding portion 125. , It is also possible to attach it to the open portion 121.

As shown in FIG. 9, the open portion 121 released from the closure has the return portion 122, so that the edge portion 126 of the open portion 121 comes into contact with the medical long body 10 passing through the open portion 121. It becomes difficult. Therefore, damage to the medical long body 10 can be suppressed. Further, since the open portion 121 is opened in a direction substantially orthogonal to the plane P on which the tubular body 120 is wound, the open portion 121 is wound beyond 360 degrees to other than the adjacent tubular body 120. It is hard to interfere with the part of. Therefore, it is easy to slide the closed portion 124 along the open portion 121, and it is easy to take out the medical long body 10 from the inside of the tubular body 120 via the open portion 121.

Further, the medical long body is not limited to the balloon catheter as long as the grip portion having an outer diameter larger than that of the shaft portion is provided on the proximal end side of the shaft portion. For example, the medical long body may be a catheter for indwelling a stent in a living lumen, a catheter for acquiring an image in the living lumen, or the like. When the outer peripheral surface is not circular in the cross section orthogonal to the long axis of the long medical body, the widest width of the cross-sectional shape means the outer diameter.

This application is based on Japanese Patent Application No. 2018-10711 filed on June 4, 2018, and the disclosure contents thereof are referred to and incorporated as a whole.

1 Container 10 Medical long body 20 Shaft part 40 Grip part 60, 90, 100, 110, 120 Tube body 61 Fragile part 63, 92, 102, 113, 124 Closed part 64, 91, 101, 111, 121 Open Part 65 1st end 66 2nd end 67 Open end 68 Opposing part 80 Holding part 81 Engaging part 82 Holding body part 103 Convex part 112, 122 Return part 114, 126 Edge part 123 Groove part 125 Protruding part O Center X length axis

Claims (8)

Medical use including a long shaft portion, a tip portion located on one end side of the shaft portion, and a base end portion located on the other end side of the shaft portion and having a larger outer diameter than the shaft portion. A container for accommodating a long body
It has a wound tubular body having a first end on the side accommodating the tip and a second end on the opposite side of the first end.
The tube body
An open part that can be opened in a direction different from the direction away from the center of winding,
It has a closed portion that closes at least a part of the open portion and can release the closure of the open portion.
The opening portion is an accommodating tool extending from the first end portion toward the second end portion. The accommodating tool according to claim 1, wherein the open portion extends from the first end portion to the second end portion. The accommodating tool according to claim 1 or 2, wherein the open portion has a return portion that warps toward the outer surface side of the tubular body in a cross section orthogonal to the long axis of the tubular body. The accommodating tool according to any one of claims 1 to 3, wherein the closed portion is connected to the open portion by a fragile portion having a breaking strength lower than that of the adjacent portion. Claims 1 to 4 wherein one of the open portion and the closed portion has a groove portion extending along the long axis direction of the tubular body, and the other portion has a protruding portion slidably fitted into the groove portion. The accommodating tool according to any one item. The tubular body has a portion that overlaps with each other by being wound over 360 degrees.
The closed portion is a convex portion formed so as to project from the outer surface of the tubular body.
The accommodating tool according to any one of claims 1 to 3, wherein the convex portion can be fitted to the open portion. Claims 1 to 6 have the open portion having at least one of the first end portion and the second end portion of the tubular body having an open end in which the width of the opening in the circumferential direction of the tubular body widens toward the end portion. The accommodating tool according to any one of the above items. It has a holding portion that holds a tube body that is wound over 360 degrees at a plurality of locations arranged in the radial direction of the winding.
Any of claims 1 to 7, wherein the holding portion has a plurality of engaging portions that partially cover the outer peripheral surface of the tubular body and engage with the tubular body while maintaining the open state of the open portion. The accommodating tool according to item 1.

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