Cartridge system

Abstract

This cartridge system includes a cartridge storing a clip unit, a pack in which the cartridge is packaged, and a case capable of storing the pack. The cartridge is configured so that an applicator into which the clip unit can be loaded can be inserted therein. The pack can transition between a first state in which the pack is attached to the case and the inside is maintained in a sterilized state, and a second state in which the applicator can be inserted into the cartridge. The pack transitions from the first state to the second state due to removal of the cartridge from the case.

Description

Cartridge System

[0001] The present invention relates to a cartridge system that houses a clip unit for an endoscope.

[0002] In endoscopic treatment, a clip unit is used that can ligate the excision site after treatment to stop bleeding, etc. The clip unit includes a clip that clamps the excision site, etc., and a pressure tube that houses the clip and locks it in a closed state. The clip unit is introduced to the treatment site by an applicator (introduction device) that can be inserted through the channel of the endoscope.

[0003] A cartridge is used when attaching a clip unit to an applicator. The clip unit is housed in the cartridge in advance, and the clip unit is kept in a sterile state. A clip unit that is kept in a sterile state is called a cartridge system. For example, in Patent Document 1, a cartridge that houses a clip unit is packaged in a sterilization pack. When attaching the clip unit to an applicator, it is necessary to tear the sterilization pack using both hands and remove the cartridge from the sterilization pack.

[0004] US Patent Application Publication No. 2010-0217294

[0005] However, in endoscopic treatment, the clip unit must be attached to the applicator multiple times, requiring both hands to tear the sterilization pack and remove the cartridge each time, which can lengthen treatment time.

[0006] In view of the above circumstances, an object of the present invention is to provide a cartridge system that does not require much effort when attaching a clip unit to an applicator.

[0007] In order to solve the above problems, the present invention proposes the following means: A cartridge system according to a first aspect of the present invention comprises a cartridge accommodating a clip unit, a pack in which the cartridge is packaged, and a case capable of accommodating the pack, wherein the cartridge is configured so that an applicator into which the clip unit can be loaded can be inserted, and the pack is capable of transitioning between a first state in which the pack is attached to the case and the interior thereof is maintained in a sterile state, and a second state in which the applicator can be inserted into the cartridge, and wherein the pack transitions from the first state to the second state when the cartridge is removed from the case.

[0008] The cartridge system of the present invention requires less effort when attaching a clip unit to an applicator, and allows the clip unit loaded in the applicator to be used as quickly as possible.

[0009] 1 is a perspective view of a clip system; 2 is a perspective view of a cartridge system showing the interior of the case; 3 is a perspective view of a sterilization pack removed from the case; 4 is an enlarged view of the area indicated by dashed line D4 of the cartridge system shown in FIG. 2; 5 is a cross-sectional view of the cartridge system shown in FIG. 4 taken along line F5-F5; 6 is a cross-sectional view of the cartridge system shown in FIG. 4 taken along line F6-F6; 7 is a perspective view showing sterilization gas being injected into the sterilization pack; 8 is a perspective view of a clip introduction device; 9 is a perspective view of a clip unit; 10 is a perspective view of the clip unit showing the presser member in a see-through state; 11 is a cross-sectional view of the presser member in the longitudinal direction; 12 is a perspective view of a presser tube; 13 is a perspective view of the presser tube seen from the base end; 14 is a perspective view of a connecting member; 15 is a perspective view of a cartridge storing the clip unit; 16 is a perspective view of the cartridge system showing a user holding the sterilization pack and cartridge; 17 is a perspective view of the cartridge system showing a user removing the sterilization pack and cartridge. 10 is a diagram showing the operation of loading the clip unit, showing the state in which the cartridge is used while covered with the sterilization pack. FIG. 11 is a diagram showing the operation of loading the clip unit, showing the state in which the cartridge is used while not covered with the sterilization pack. FIG. 12 is a diagram explaining a method of loading the clip unit into the clip introducer device using the cartridge. FIG. 13 is a diagram explaining a method of loading the clip unit into the clip introducer device using the cartridge. FIG. 14 is a diagram explaining a method of loading the clip unit into the clip introducer device using the cartridge. FIG. 15 is a diagram explaining a method of loading the clip unit into the clip introducer device using the cartridge. FIG. 16 is a diagram explaining a method of loading the clip unit into the clip introducer device using the cartridge. FIG. 17 is a diagram explaining a method of loading the clip unit into the clip introducer device using the cartridge. FIG. 18 is a diagram explaining a method of loading the clip unit into the clip introducer device using the cartridge. FIG. 19 is a diagram showing the clip unit loaded into the clip introducer device. FIG. 19 is a diagram showing the clip unit introduced into a body.41. FIG. 42 is a view showing the clip unit with the pair of arms closed. FIG. 43 is a view showing the clip unit with the clip locked. FIG. 44 is a view showing the clip unit with the clip separated. FIG. 45 is a perspective view showing a modified example of the sterilization pack. FIG. 46 is a perspective view of the cartridge system according to a second embodiment, showing the interior of the case. FIG. 47 is a perspective view of the cartridge system showing a user holding the sterilization pack and cartridge. FIG. 48 is a perspective view of the cartridge system showing a user removing the sterilization pack and cartridge. FIG. 49 is a perspective view of the cartridge system according to a third embodiment, showing the interior of the case. FIG. 49 is a perspective view of the cartridge system showing a user tearing the sterilization paper. FIG. 49 is a perspective view of the cartridge system showing a user removing the cartridge. FIG. 41 is a perspective view of the cartridge system according to a fourth embodiment, showing the cartridge system with the top of the case removed. FIG. 49 is a perspective view of the cartridge system showing the interior of the case. FIG. 49 is a cross-sectional view of the cartridge system shown in FIG. 41 taken along line F43-F43. 49. An enlarged view of the range indicated by dashed line D44 of the cartridge system shown in Figure 43. An oblique view of the cartridge system showing a state in which a user is pinching the grip portion. An oblique view of the cartridge system showing a state in which a user is removing the cartridge. An oblique view of the cartridge system according to a fifth embodiment. An overhead plan view of the cartridge system. A cross-sectional view of the cartridge system taken along line F50-F50 of the cartridge system shown in Figure 49. An oblique view of the cartridge system showing a state in which the lid is open. An side view of the cartridge system showing a state in which the lid is open.

[0010] Hereinafter, a cartridge system according to an embodiment will be described with reference to the drawings. In the following description, components having the same or similar functions will be denoted by the same reference numerals. Duplicate descriptions of those components may be omitted.

[0011] First Embodiment [Clip System 1000] A clip system 1000 according to a first embodiment of the present invention will be described with reference to Figs. 1 to 31 .

[0012] Fig. 1 is a perspective view showing a clip system 1000. However, Fig. 1 does not show a clip introduction device (applicator) 200 included in the clip system 1000. As shown in Fig. 1, the clip system 1000 includes a cartridge system 700 and a clip introduction device (applicator) 200 (see Fig. 8). The clip system 1000 is a support system for using a clip unit 1.

[0013] [Cartridge System 700] A cartridge system 700 according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 31. FIG.

[0014] 2 is a perspective view showing the cartridge system 700, illustrating the inside of the case 600. As shown in FIG. 2, the cartridge system 700 includes a cartridge unit 100, a sterilization pack (pack) 400, and a case 600. The cartridge system 700 is a support system for easily loading the clip unit 1 into the clip introduction device 200.

[0015] As shown in Figure 2, the cartridge unit 100 is packaged in a sterilization pack 400. The sterilization pack 400 is housed in a case 600 with the cartridge unit 100 packaged therein.

[0016] 2, the cartridge unit 100 includes the clip unit 1 and a cartridge 5 that can accommodate the clip unit 1. By using the cartridge unit 100, the clip unit 1 can be easily loaded into the clip introduction device 200.

[0017] [Case 600] As shown in Figures 1 and 2, the case 600 is a box-shaped member capable of housing the sterilization pack 400. The case 600 has a bottom plate 600a and side plates 600b. The bottom plate 600a is formed in a substantially rectangular shape. The bottom plate 600a forms a bottom surface 600as of the case 600. The side plates 600b are formed to surround the bottom plate 600a and stand from the end of the bottom plate 600a substantially perpendicular to the bottom surface 600as. The case 600 is formed, for example, from paper.

[0018] 1, the case 600 is formed with an opening (access port) 600o through which things can be put in and taken out of the inside of the case 600. The opening 600o is formed by an end portion 600bt of the side plate 600b. The opening 600o can be closed by, for example, a lid (not shown).

[0019] The case 600 accommodates multiple sterilization packs 400. The sterilization packs 400 are accommodated with a gap between adjacent sterilization packs 400 large enough to allow a user to insert a finger. Because multiple sterilization packs 400 are accommodated in the case 600, there is no need to change the case 600, even if the clip unit 1 is loaded multiple times, and one case 600 can be used continuously. The sterilization packs 400 are accommodated with a gap between adjacent sterilization packs 400. Furthermore, the sterilization packs 400 are accommodated with a gap between them. This allows a user to insert a finger into the gap and pick up the sterilization pack 400, making it easy to remove the sterilization packs 400. For example, the case 600 accommodates 20 sterilization packs 400. Note that the case 600 does not necessarily have to accommodate multiple sterilization packs 400.

[0020] [Sterilization pack 400] Figure 3 is a perspective view of sterilization pack 400, showing the state removed from case 600. As shown in Figure 3, sterilization pack 400 is a bag-shaped member capable of packaging cartridge unit 100. Sterilization pack 400 can package cartridge unit 100 while maintaining the interior in a sterile state. A sterile state is a state in which the probability of microorganisms surviving is one in a million or less.

[0021] The sterilization pack 400 can transition between a first state P1 and a second state P2. In the first state P1, as shown in Figure 2, the sterilization pack 400 is attached to the case 600 and the interior of the sterilization pack 400 is maintained in a sterile state. In the first state P1, the sterilization pack 400 and the case 600 are connected. In the second state P2, as shown in Figure 3, the clip introduction device 200 can be inserted into the cartridge unit 100. In the second state P2, the sterilization pack 400 and the case 600 are separated. The sterilization pack 400 transitions from the first state P1 to the second state P2 when the cartridge unit 100 packaged inside the sterilization pack 400 is removed from the case 600.

[0022] In the first state P1, sterilization pack 400 is connected to case 600. In first state P1, sterilization pack 400 is in a state in which viruses and bacteria cannot enter the interior. In first state P1, sterilization pack 400 is filled with, for example, sterilization gas. Sterilization gas is a gas that has a sterilizing effect, and a space filled with sterilization gas becomes sterile. Ethylene oxide gas or hydrogen peroxide gas, for example, is used as the sterilization gas. Note that if the interior of sterilization pack 400 has been sterilized by gamma rays or the like, it is not necessary for the interior to be filled with sterilization gas.

[0023] In the second state P2, the sterilization pack 400 is released from its internal sterilization state. In the second state P2, an opening 400o is formed in the sterilization pack 400, allowing the clip introduction device 200 to be inserted into the cartridge unit 100 packaged therein. Specifically, in the second state P2, the sterilization pack 400 allows the sheath 220 or the operating wire 230, described below, to be inserted into the cartridge unit 100 packaged therein. In this embodiment, the sterilization pack 400 is not connected to the case 600 in the second state P2 and is separated from the case 600. In this embodiment, the sterilization pack 400 has been removed from the case 600 in the second state P2.

[0024] Sterilization pack 400 is formed to be breakable. Sterilization pack 400 has a first portion 400m and a second portion 400n. First portion 400m is a portion of sterilization pack 400 that is fixed to case 600. Second portion 400n is a portion of sterilization pack 400 that can be removed from case 600. In first state P1, first portion 400m and second portion 400n are connected. In second state P2, first portion 400m and second portion 400n are separated. It should be noted that sterilization pack 400 does not have to be formed to be breakable. It should be noted that sterilization pack 400 does not have to have first portion 400m or second portion 400n.

[0025] The first portion 400m of the sterilization pack 400 is fixed to the case 600 in the first state P1, and is also fixed to the case 600 in the second state P2.

[0026] In the first state P1, the second part 400n of the sterilization pack 400 is connected to the first part 400m and is housed inside the case 600. In the second state P2, the second part 400n of the sterilization pack 400 is separated from the first part 400m and is removed from the case 600.

[0027] As shown in Figure 2, the sterilization pack 400 has a sterilization paper 400a and a sterilization film 400b. The sterilization paper 400a is an example of a first portion 400m. The sterilization film 400b is an example of a second portion 400n. In the first state P1, the sterilization paper 400a and the sterilization film 400b are connected. In the second state P2, the sterilization paper 400a and the sterilization film 400b are separated.

[0028] The sterilization paper 400a is a material that is impermeable to viruses and bacteria. The sterilization paper 400a is a material that allows sterilization gas to pass through from at least one direction. The sterilization paper 400a does not need to be permeable to sterilization gas in the opposite direction to the direction in which the sterilization gas can pass through. The sterilization paper 400a is a paper material formed in a substantially rectangular shape. The shape and material of the sterilization paper 400a are not limited.

[0029] The sterilization film 400b is a material that is impermeable to viruses and bacteria, and is impermeable to sterilization gas.

[0030] The sterile film 400b is formed in a bag shape and can package the cartridge unit 100. An opening 400o is formed in the sterile film 400b. The opening 400o in the sterile film 400b is formed to a size that allows the cartridge 5 to be inserted therethrough. The size of the opening 400o in the sterile film 400b is not limited. For example, the opening 400o in the sterile film 400b may be large enough to allow the sheath 220 or operating wire 230 of the clip introduction device 200 (described later) to be inserted therethrough. The opening 400o in the sterile film 400b is closed by sterile paper 400a.

[0031] With the opening 400o of the sterilization film 400b closed by the sterilization paper 400a, the inside of the sterilization pack 400 is filled with sterilization gas, thereby sterilizing the inside of the sterilization pack 400. The material used to close the opening 400o of the sterilization film 400b is not limited to the sterilization paper 400a. Any material may be used to close the opening 400o of the sterilization film 400b as long as it is impermeable to viruses and bacteria. The method for sterilizing the inside of the sterilization pack 400 is not limited. For example, the inside of the sterilization pack 400 can be sterilized by irradiating it with gamma rays, thereby bringing the inside of the sterilization pack 400 into a sterilized state.

[0032] Figure 4 is an enlarged view of the cartridge system 700 shown in Figure 2 at D4. Figure 5 is a cross-sectional view of the cartridge system 700 shown in Figure 4 taken along line F5-F5. Figure 6 is a cross-sectional view of the cartridge system 700 shown in Figure 4 taken along line F6-F6. As shown in Figures 5 and 6, the end 400bs of the sterilization film 400b, which forms the opening 400o, is adhered to the sterilization paper 400a. The sterilization paper 400a and the sterilization film 400b are adhered so that no gap is formed. The adhesive surface G1 between the sterilization paper 400a and the sterilization film 400b is formed around the entire periphery of the end 400bs of the sterilization film 400b.

[0033] Figure 7 is a perspective view showing the injection of sterilization gas into the sterilization pack 400. As shown in Figures 5 and 6, the sterilization paper 400a is fixed to the bottom surface 600as of the case 600. The sterilization paper 400a is fixed, for example, by being glued to the case 600. An adhesive surface G2 is formed at the portion of the sterilization paper 400a that is glued to the case 600. As shown in Figure 7, a gap 600s through which the sterilization gas can enter is secured between the sterilization paper 400a and the case 600. For example, the end 400at of the sterilization paper 400a is not glued, and no adhesive surface G2 is formed. Because no adhesive surface G2 is formed at the end 400at of the sterilization paper 400a, a gap 600s through which the sterilization gas can enter is secured between the sterilization paper 400a and the case 600. The adhesive surface G2 is adhered more strongly to the adhesive surface G1. That is, in the first state P1, the connection strength between the sterilization paper 400a and the case 600 is stronger than the connection strength between the sterilization paper 400a and the sterilization film 400b.

[0034] [Clip Introducing Device 200] Figure 8 is a perspective view showing the clip introducing device 200. As shown in Figure 8, the clip introducing device (applicator) 200 includes a sheath 220, an operating wire 230, and an operating section 240. The clip introducing device 200 is inserted, for example, into a treatment tool insertion channel of an endoscope and used in combination with the endoscope (not shown). For this reason, the sheath 220 is formed to be sufficiently longer than the length of the treatment tool insertion channel of the endoscope. The sheath 220 is flexible and bends in accordance with the curvature of the insertion section of the endoscope.

[0035] 8, the sheath 220 includes a distal tip 221, a distal coil 222, and a proximal coil 224, and is formed into an elongated tubular shape as a whole. The distal coil 222 is disposed on the distal end side of the sheath 220. The distal tip 221 is disposed at the distal end of the distal coil 222.

[0036] As shown in FIG. 8, the operating wire (power transmission unit) 230 includes an arrowhead hook (connection unit) 231 connected to the clip unit 1 and a wire 232 for operating the arrowhead hook 231 .

[0037] 8, the arrowhead hook 231 includes a substantially conical engaging portion 231a that engages with the clip unit 1, and a wire connecting portion 231b provided at the base end of the engaging portion 231a. The arrowhead hook 231 is formed of a metal material such as stainless steel.

[0038] The wire 232 is inserted so as to be able to move forward and backward relative to the sheath 220. The distal end of the wire 232 is fixed to the proximal end of the wire connecting portion 231b by, for example, welding.

[0039] 8, the operation unit 240 includes an operation unit main body 241, a slider 242, and a thumb ring 248. The operation unit main body 241, the slider 242, and the thumb ring 248 are injection molded from, for example, a resin material. The operation unit main body 241 includes a slit portion 241a and a rotating grip 241b on the tip side. The slit portion 241a supports the slider 242 so that it can move forward and backward.

[0040] The slider 242 is attached to the operation portion main body 241 so as to be movable forward and backward in the longitudinal axis direction, and has the base end of the wire 232 attached thereto. When the slider 242 moves forward and backward along the operation portion main body 241, the wire 232 moves forward and backward relative to the sheath 220, and the arrowhead hook 231 moves forward and backward.

[0041] The thumb ring 248 is attached to the base end of the operation portion body 241 so as to be rotatable around the longitudinal axis of the operation portion body 241 .

[0042] [Clip unit 1] Fig. 9 is a perspective view showing the clip unit 1. Fig. 10 is a perspective view showing the clip unit 1, with the pressing member 3 shown in a see-through state. As shown in Fig. 9, the clip unit 1 includes a clip 2, the pressing member 3, and a connecting member 4.

[0043] In the following description, the clip 2 side in the longitudinal direction A of the clip unit 1 is referred to as the tip side (distal side) A1 of the clip unit 1, and the connecting member 4 side is referred to as the base side (proximal side) A2 of the clip unit 1. Furthermore, the direction perpendicular to the longitudinal direction A is referred to as the "second direction B" or "left-right direction B." Furthermore, the direction perpendicular to the longitudinal direction A and the second direction B is referred to as the "first direction C" or "up-down direction C."

[0044] The clip (clip arm) 2 is formed by bending a metal plate at the center. As shown in Figure 9, the clip 2 has a pair of arms 21 that can be opened and closed, and a base end 28 that connects the pair of arms 21. The base end side A2 of the clip 2 is inserted into the internal space 38 of the pressing member 3.

[0045] 9, the pair of arms 21 includes a first arm 211 and a second arm 212. The first arm 211 and the second arm 212 are disposed on either side of a central axis O1 in the longitudinal direction A of the clip unit 1. Note that the clip 2 may have three or more arms.

[0046] 10 , the first arm 211 has, from the distal end side A1 to the proximal end side A2, a tissue gripping portion 22, a flat plate-shaped gripping portion 23, a sliding portion 24, and an engaging portion 25. The tissue gripping portion 22 is formed by bending the distal end of the first arm 211 inward. The sliding portion 24 is a portion that elastically deforms when the pair of arms 21 are retracted into the presser member 3.

[0047] As shown in FIG. 10, the second arm 212 has, from the distal end side A1 to the proximal end side A2, a tissue gripping portion 22, a flat plate-shaped gripping portion 23, a sliding portion 24, and an engaging portion 25.

[0048] The engaging portion 25 is a member that can engage with a clamping member 32 of the pressing member 3, which will be described later. The tip side A1 of the engaging portion 25 is formed as a slope that forms an obtuse angle with respect to the longitudinal direction A, and the base side A2 is formed as a slope that forms an acute angle with respect to the longitudinal direction A.

[0049] The base end 28 connects the first arm 211 and the second arm 212. The first arm 211 and the second arm 212 connected by the base end 28 are provided so as to be able to open and close toward the tip side A1. The base end 28 is bent into a U-shape and is connected to a hook 41f of the connecting member 4. The base end 28 is biased so that the pair of arms 21 are in an open state. Therefore, the pair of arms 21 of the clip 2 have a self-expanding force in the opening and closing direction P.

[0050] 10 , the base end portion 28 and a hook 41f of the connecting member 4, which will be described later, are connected by inserting the hook 41f of the connecting member 4 into the U-shaped base end portion 28. When the base end portion 28 is connected to the connecting member 4, the opening / closing direction P of the pair of arms 21 substantially coincides with the left-right direction B.

[0051] 11 is a cross-sectional view of the pressing member 3 in the longitudinal direction A. The pressing member (tubular member) 3 is a circular tubular member capable of storing at least a portion of the clip 2. The pressing member 3 has an internal space 38 through which the clip 2 advances and retreats in the longitudinal direction A. The pressing member 3 can fix the clip 2 retracted into the internal space 38 in a closed state. As shown in FIG. 11 , the pressing member 3 has a pressing tube 3A provided on the base end side A2 and a pressing pipe 3B provided on the tip end side A1.

[0052] 12 is a perspective view showing the pressure tube 3A. As shown in FIG. 12, the pressure tube (second tubular member) 3A has a cylindrical pressure tube main body 30, protruding and retracting wings 31, and a tightening member 32.

[0053] The holding tube body 30 is formed by injection molding a material softer than the clip 2, such as a thermoplastic resin having appropriate elasticity, such as PPA (polyphthalamide), PA (polyamide), PEEK (polyether ether ketone), or LCP (liquid crystal polymer). The holding tube body 30 may also be formed from a metal instead of a thermoplastic resin.

[0054] 13 is a perspective view showing the pressing tube 3A as viewed from the base end side A2. An engaging recess 30r that engages with an engaging protrusion 43p of the connecting member 4 (described later) is formed in the base end opening 3d of the pressing tube main body 30. The engaging recess 30r is provided on both sides of the central axis O1.

[0055] The protruding and retracting wings 31 are a pair of protruding and retracting projections relative to the outer peripheral surface 30a of the retaining tube main body 30. The protruding and retracting wings 31 are provided on both sides of the central axis O1. The protruding and retracting wings 31 have a basic position in which they protrude outward in the radial direction R relative to the outer peripheral surface 30a. When the protruding and retracting wings 31 receive a force from the outside toward the inside in the radial direction R, they enter a retracted state in which they retract into the outer peripheral surface 30a. When the force is released, the protruding and retracting wings 31 return from the retracted state to the protruding state.

[0056] The clamping member 32 is a ring-shaped member provided in the internal space 38 of the presser tube 3A. The clamping member 32 is made of metal. Note that the clamping member 32 only needs to be formed to be harder than the presser tube main body 30, and may be formed of, for example, a thermoplastic resin instead of metal.

[0057] The pressure pipe (first tubular member) 3B is a cylindrical member made of metal. The pressure pipe 3B is press-fitted into the tip of the pressure pipe 3A. The pressure pipe 3A and the pressure pipe 3B may be connected by heat welding, adhesive bonding, or screw fastening.

[0058] 14 is a perspective view showing the connecting member 4. The connecting member 4 is detachably connected to the base end 28 of the clip 2. The connecting member 4 is also detachably connected to the arrowhead hook 231 that passes through the sheath 220. In other words, the connecting member 4 connects the clip 2 and the arrowhead hook 231. As shown in FIG. 14 , the connecting member 4 includes a tip connecting portion 41 provided at the tip, a base end connecting portion 42 provided at the base end, and a rod-shaped portion 45 that connects the tip connecting portion 41 and the base end connecting portion 42.

[0059] 14, the tip connecting portion 41 has a hook 41f at its tip, a breaking portion 41b provided on the base end side A2 of the hook 41f, and a tip expanding portion 41e. The tip connecting portion 41 can be inserted through the internal space 38 of the pressing member 3 when connected to the clip 2.

[0060] The hook 41f is a hook that extends in the vertical direction C perpendicular to the central axis O1 and is formed in a generally cylindrical rod shape. The hook 41f extends from the "lower side" to the "upper side" in the vertical direction C. The base end 28 of the clip 2 is hooked from above onto the hook 41f.

[0061] The breaking portion 41b breaks when a breaking force is applied to the hook 41f by pulling the base end 28 toward the base end side A2. The breaking portion 41b may have a mechanism for releasing the connection between the base end 28 of the clip 2 and the hook 41f of the connecting member 4. For example, the breaking portion 41b may have a mechanism for releasing the connection between the base end 28 and the hook 41f by deforming (plastic deformation or elastic deformation) without breaking.

[0062] The proximal end connecting portion 42 is an engaging portion that is engaged (connected) with the arrowhead hook 231 of the clip introduction device 200. The proximal end connecting portion 42 has a connecting portion main body 43 and a connecting arm 44, as shown in FIG.

[0063] The connecting portion main body 43 is provided at the base end of the rod-shaped portion 45. An engaging protrusion 43p that protrudes in the vertical direction is formed on the connecting portion main body 43. The engaging protrusion 43p engages with an engaging recess 30r provided in the base end opening of the pressing member 3, thereby restricting relative rotation between the pressing member 3 and the connecting member 4 in the circumferential direction with respect to the longitudinal direction A.

[0064] The connecting arm (a pair of legs) 44 is provided at the base end of the connecting body 43 and is bifurcated. The connecting arm 44 is elastically deformable in the up-down direction C relative to the connecting body 43 and can open and close relative to the connecting body 43. The connecting arm 44 is formed with a notch 44m that grips and stores the engaging portion 231a of the arrowhead hook 231. The notch 44m is formed in a shape that fits closely to the outer peripheral surface of the engaging portion 231a of the arrowhead hook 231. The connecting arm 44 can be connected to the arrowhead hook 231 of the clip introduction device 200 when in the open state, and can maintain its connection to the arrowhead hook 231 of the clip introduction device 200 when in the closed state.

[0065] The rod-shaped portion 45 is a generally rod-shaped member extending in the longitudinal direction A. The rod-shaped portion 45 is provided between the distal end connecting portion 41 and the proximal end connecting portion 42, and connects the distal end connecting portion 41 and the proximal end connecting portion 42. The rod-shaped portion 45 can be inserted through the internal space 38 of the pressing member 3.

[0066] [Cartridge 5] Figure 15 is a perspective view showing the cartridge 5 storing the clip unit 1. The cartridge 5 is a case that stores the clip unit 1. The cartridge 5 is configured to allow insertion of a clip introduction device (applicator) 200 into which the clip unit 1 can be loaded. The cartridge 5 is sized to be easy to hold, with a width of approximately 10 mm to 20 mm, a length of approximately 50 mm, and a thickness of approximately 5 mm.

[0067] 2, the cartridge 5 is housed in the case 600 while being packaged in a sterilization pack 400. The cartridge 5 is packaged in the sterilization pack 400 with the clip unit 1 stored therein.

[0068] The cartridge 5 is manufactured by injection molding from a transparent resin material that has an appropriate hardness, such as ABS, PC, PP, PS, acrylic, cycloolefin polymer, etc. The cartridge 5 is formed using a transparent resin material, making it easy for the user to determine whether or not the clip unit 1 is present inside.

[0069] 15 , of the two directions perpendicular to the longitudinal direction L of the cartridge 5 and perpendicular to each other, one is referred to as the "width direction W" and the other as the "height direction H." Furthermore, a plane parallel to the longitudinal direction L and the width direction W is referred to as the "horizontal plane HP." A plane parallel to the longitudinal direction L and the height direction H is referred to as the "vertical plane VP." Furthermore, in the cartridge 5 storing the clip unit 1, the side of the pair of arms 21 is referred to as the tip side L1 of the cartridge 5, and the side of the connecting member 4 is referred to as the base side L2 of the cartridge 5.

[0070] As shown in FIG. 15, the cartridge 5 has a cartridge body 70 formed in a substantially rectangular box shape, and a storage area 7S formed inside the cartridge body 70.

[0071] The cartridge body 70 is formed with a storage area 7S in which the clip unit 1 is stored so as to be movable in the longitudinal direction (advance / retract direction) L. The storage area has a first area 71, a folding area 73, and a sheath insertion area 74. As shown in Fig. 15 , the first area 71, the folding area 73, and the sheath insertion area 74 are arranged from the distal end to the proximal end in the longitudinal direction L of the cartridge 5.

[0072] The cartridge body 70 is formed with an insertion opening 67 through which the sheath 220 can be inserted. The insertion opening 67 has an opening surface that is formed substantially perpendicular to the longitudinal direction L. The insertion opening 67 is formed on the side surface of the base end side L2 of the cartridge body 70. The insertion opening 67 communicates with the sheath insertion region 74.

[0073] The first region 71 is an internal space in which the clip unit 1 is stored so as to be movable in the longitudinal direction L. The first region 71 communicates with the folding region 73.

[0074] The folding region 73 is a region that holds the protruding / retracting wing 31 in a retracted state. A reduced diameter portion 73c (see FIG. 20 ) is formed in the folding region 73. When the clip unit 1 is stored in the cartridge 5, the reduced diameter portion 73c can hold the connecting arm 44 of the connecting member 4 in a state that prevents the connecting arm 44 from spreading.

[0075] The sheath insertion region 74 is a region into which the distal end portion of the sheath 220 that has passed through the insertion port 67 is inserted. The sheath insertion region 74 is located on the proximal end side L2 of the folding region 73 and communicates with the folding region 73. At the portion of the sheath insertion region 74 where it connects to the folding region 73, the length of the sheath insertion region 74 in the width direction W is longer than the length of the folding region 73 in the width direction W. A sheath abutment portion 76 is formed in the sheath insertion region 74, against which the distal tip 221 of the advanced sheath 220 can abut.

[0076] The cartridge 5 is stored in the case 600 with the insertion opening 67 facing the bottom surface 600as of the case 600. By storing the cartridge 5 in the case 600 with the insertion opening 67 facing the bottom surface 600as of the case 600, when the sterilization pack 400 and the cartridge 5 are removed together from the case 600, the insertion opening 67 faces the opening 400o of the sterilization pack 400. Therefore, the clip introduction device 200 can be inserted into the cartridge 5 while it is packaged in the sterilization pack 400. The orientation of the cartridge 5 when stored in the case 600 is not limited.

[0077] When the sterilization pack 400 is in the first state P1, the cartridge 5 faces the contact portion 400s of the sterilization pack 400. In the first state P1, the contact portion 400s of the sterilization pack 400 contacts the bottom surface 600as of the case 600. The contact portion 400s is, for example, the lower end of the sterilization pack 400. That is, when the sterilization pack 400 is in the first state P1, the cartridge 5 is packaged in the sterilization pack 400 in a state where it faces the lower end of the sterilization pack 400. When the sterilization pack 400 is in the second state P2, the cartridge 5 is separated from the contact portion 400s of the sterilization pack 400. That is, when the sterilization pack 400 is in the second state P2, the cartridge 5 is separated from the lower end of the sterilization pack 400.

[0078] [Method of Removing Cartridge 5] Next, the operation of the sterilization pack 400 will be described with reference to Figures 16 and 17 .

[0079] Figure 16 is a perspective view of the cartridge system 700, showing a user grasping the sterilization pack 400 and cartridge 5. The sterilization pack 400 is grasped together with the cartridge 5 contained therein. As shown in Figure 16, the sterilization pack 400 has a holding portion 400h that is grasped by the user. The sterilization pack 400 has the holding portion 400h in the second portion 400n. The holding portion 400h is grasped, for example, with the thumb and index finger. At this time, the sterilization pack 400 is in the first state P1, and the interior is kept sterile.

[0080] Figure 17 is a perspective view of cartridge system 700, showing a user removing a sterilization pack 400 and cartridge 5. The sterilization pack 400 is removed from the case 600 together with the cartridge 5 contained therein. At this time, the sterilization pack 400 is torn. Specifically, the sterilization pack 400 separates into a first part 400m and a second part 400n. More specifically, the sterilization pack 400 separates into a sterilization paper 400a and a sterilization film 400b. At this time, the sterilization pack 400 is in the second state P2.

[0081] In this embodiment, the sterilization paper 400a is defined as the first part 400m of the sterilization pack 400, and the sterilization film 400b is defined as the second part 400n of the sterilization pack 400. In the second state P2, the sterilization pack 400 is separated into the first part 400m and the second part 400n. If the sterilization paper 400a is not defined as the first part 400m of the sterilization pack 400, the sterilization pack 400 and the case 600 are separated in the second state P2.

[0082] When the sterilization pack 400 is removed from the case 600, the adhesion between the sterilization paper 400a and the sterilization film 400b is released. That is, when the sterilization pack 400 and cartridge 5 are removed from the case 600, the sterilization pack 400 breaks on the side opposite the opening 600o of the case 600 in the longitudinal direction L. At this time, the sterilization paper 400a does not separate from the case 600 but remains fixed to it.

[0083] When the sterilization pack 400 and cartridge 5 are removed from the case 600, the sterilization paper 400a and the sterilization film 400b are torn, forming an opening 400o in the sterilization pack 400. At this time, the boundary between the first portion 400m and the second portion 400n in the first state P1 becomes the opening 400o. Specifically, the boundary between the sterilization paper 400a and the sterilization film 400b becomes the opening 400o. This exposes the insertion port 67 of the cartridge 5, allowing the clip introduction device 200 to be inserted into the cartridge 5 packaged in the sterilization pack 400. In other words, the sterilization pack 400 enters the second state P2. At this time, the opening 400o in the sterilization pack 400 is formed, and the sterilization state is released. When the cartridge 5 is removed from the case 600, the sterilization pack 400 is torn, forming the opening 400o in the sterilization pack 400, causing the sterilization pack 400 to transition from the first state P1 to the second state P2.

[0084] [Method of Loading Clip Unit 1] Next, the operation of the cartridge unit 100 will be described with reference to Figures 18 to 25. Figure 18 is a diagram showing the operation of loading the clip unit 1, illustrating how the cartridge 5 is used while covered with the sterilization pack 400. Figure 19 is a diagram showing the operation of loading the clip unit 1, illustrating how the cartridge 5 is used without being covered with the sterilization pack 400. Figures 20 to 25 are diagrams explaining a method of loading the clip unit 1 into the clip introducer device 200 using the cartridge 5.

[0085] The user inserts the sheath 220 into the sheath insertion region 74 from the insertion port 67. The distal tip 221 of the sheath 220 illustrated in Figures 18 and 19 is not abutted against the sheath abutment portion 76 of the sheath insertion region 74. When the sheath 220 is inserted into the insertion port 67, the cartridge unit 100 may or may not be covered by the sterilization pack 400.

[0086] 20 is a diagram showing the clip unit 1 connected to the clip introduction device 200. The user advances the slider 242 relative to the operation unit body 241 of the operation unit 240, and advances the operation wire 230 relative to the sheath 220, thereby pushing the connecting member 4 with the arrowhead hook 231 and advancing the clip unit 1 until it comes into contact with the cartridge 5.

[0087] 21 is a diagram showing the clip unit 1 connected to the clip introduction device 200. The user further advances the arrowhead hook 231 to connect the engaging portion 231a of the arrowhead hook 231 with the connecting arm 44 of the connecting member 4.

[0088] 22, the user pulls the operating wire 230. The clip 2 of the clip unit 1 is pulled toward the base end side L2 by the connecting member 4 connected to the arrowhead hook 231.

[0089] The user pulls the clip unit 1 further toward the proximal end side L2. As shown in Figure 23, the pressure tube 3A passes through the folded region 73. The pressure tube 3A slides through the folded region 73 from the distal end side L1 toward the proximal end side L2, and the protruding / retracting wings 31 of the pressure tube 3A enter a retracted state where they can be housed in the sheath 220. The protruding / retracting wings 31 held in the retracted state are retracted into the sheath 220. The protruding / retracting wings 31 retracted into the sheath 220 are held in the retracted state.

[0090] 24 and 25 , the user further pulls the operating wire 230. The clip 2 pulled toward the proximal end L2 is pulled into the internal space of the pressure tube 3A and into the sheath 220. This completes the loading of the clip unit 1 into the clip introducer 200.

[0091] [Operation and Function of Clip Unit 1] Next, the operation and function of the clip unit 1 will be described with reference to FIGS. 26 to 30. FIG.

[0092] 26 is a diagram showing the clip unit 1 loaded into the clip introducer device 200. The clip unit 1 is loaded into the clip introducer device 200 using a cartridge 5. The connecting member 4 of the clip unit 1 loaded into the clip introducer device 200 is connected to an arrowhead hook 231 that passes through the inside of the sheath 220. The protruding and retracting wings 31 are pressed against the inner circumferential surface of the sheath 220 and are in a retracted state.

[0093] The pair of arms 21 of the loaded clip unit 1 are in a closed state, being pressed against the inner circumferential surface of the sheath 220. The engaging portion 25 is located on the distal side A1 of the fastening member 32, and the pair of arms 21 are not locked in the closed state.

[0094] 27 is a diagram showing the clip unit 1 introduced into the body. The user introduces the clip unit 1 loaded into the sheath 220 into the body via the channel of the endoscope. Next, the user advances the arrowhead hook 231 by moving the slider 242 forward along the operation unit body 241. The user advances the clip unit 1 until the protruding / retracting wings 31 emerge from the sheath 220. By emerging from the sheath 220, the protruding / retracting wings 31 return from the retracted state to the protruding state, which is the basic position.

[0095] When the distal ends of the pair of arms 21 come out of the sheath 220, the self-expanding force of the pair of arms 21 serves as a restoring force, and the clip 2 returns to the open state while moving toward the distal end relative to the pressing member 3. Even when the pair of arms 21 return to the open state and protrude most from the pressing member 3, the engaging portion 25 is disposed in the internal space 38 of the pressing member 3.

[0096] 28 is a diagram showing the clip unit 1 with the pair of arms 21 closed. The user retracts the arrowhead hook 231 by retracting the slider 242 along the operating unit body 241. The connecting member 4 connected to the arrowhead hook 231 pulls the clip 2. The pair of arms 21, which have a self-expanding force, are pulled toward the base end side A2, thereby pushing the distal opening 3a of the pressing member 3 toward the base end side A2. The protruding and retracting wings 31, which are in the protruding state, engage with the sheath 220 and are therefore not retracted into the sheath 220. Therefore, the clip 2 pulled by the connecting member 4 is retracted into the pressing member 3.

[0097] When the connecting member 4 pulls the base end 28 of the clip 2 toward the base end side A2 of the presser member 3, the pair of arms 21 are pulled into the presser member 3 and gradually close. When the pulling force on the base end 28 is released in this state, the clip 2 returns to the open state while moving toward the tip end side A1, using the self-expanding force of the pair of arms 21 as a restoring force. The user can return the pair of arms 21 to the open state to re-grasp the tissue.

[0098] 29 is a diagram showing the clip unit 1 in which the clip 2 is locked. When the proximal end 28 is further pulled toward the proximal side A2 of the presser member 3, the engaging portion 25 is retracted toward the proximal side A2 from the fastening member 32. Because the proximal side A2 of the engaging portion 25 is formed as an obtuse-angled slope, the engaging portion 25 is easily retracted toward the proximal side from the fastening member 32. On the other hand, because the distal side A1 of the engaging portion 25 is formed as an acute-angled slope, when the engaging portion 25 is retracted toward the proximal side A2 from the fastening member 32, the engaging portion 25 engages with the fastening member 32. As a result, movement of the clip 2 toward the distal side A1 relative to the presser member 3 is restricted, and the pair of arms 21 are locked in the closed state. Once the pair of arms 21 are locked in the closed state, they cannot return to the open state.

[0099] 30 is a diagram showing the clip unit 1 from which the clip 2 has been separated. The user further pulls the clip 2. A breaking force is applied to the hook 41f by pulling, and the breaking portion 41b breaks. The breaking strength of the breaking portion 41b is lower than the breaking strength of the connecting portion main body 43. Therefore, the breaking portion 41b breaks, not the connecting portion main body 43.

[0100] The user uses the cartridge 5 to reload a new clip unit 1 into the clip introducer device 200 .

[0101] According to the cartridge system 700 of this embodiment, it takes less time and effort to attach the clip unit 1 to the clip introducer device 200. Therefore, the clip unit 1 loaded in the clip introducer device 200 can be used as soon as possible.

[0102] (Modification) Next, a modification will be described. Figure 31 is a perspective view showing a sterilization pack 400S which is a modification of the sterilization pack 400.

[0103] As shown in Figure 31, the sterilization pack 400S has a connecting part 400i. The connecting part 400i is a member that connects the sterilization film 400b to the cartridge 5. The connecting part 400i connects, for example, the upper end of the interior of the sterilization film 400b to the upper end of the cartridge body 70 of the cartridge 5.

[0104] Because sterilization pack 400S has connecting part 400i, there is no need to grip sterilization pack 400S and cartridge 5 together when moving them together. When sterilization pack 400S is moved while only sterilization pack 400S is being gripped, cartridge 5 is pulled via connecting part 400i, and so cartridge 5 also moves. Therefore, sterilization pack 400S and cartridge 5 can be easily moved together.

[0105] Although the first embodiment of the present invention has been described above in detail with reference to the drawings, the specific configuration is not limited to this embodiment and includes design modifications within the scope of the present invention. Furthermore, the components shown in the above embodiment and the following modified examples can be appropriately combined to form a configuration.

[0106] Second Embodiment [Cartridge System 700B] A cartridge system 700B according to a second embodiment will be described with reference to Figures 32 to 35. The cartridge system 700B according to the second embodiment differs from the cartridge system 700 according to the first embodiment in the configuration of the sterilization pack, etc. In the following description, components that are common to those already described will be assigned the same reference numerals, and redundant description will be omitted.

[0107] 32 is a perspective view showing cartridge system 700B, illustrating the inside of case 600. Cartridge system 700B includes cartridge unit 100, a sterilization pack (pack) 400B, and case 600, as shown in FIG.

[0108] The cartridge unit 100 is packaged in a sterilization pack 400B as shown in Figure 32. The sterilization pack 400B is housed in a case 600 with the cartridge unit 100 packaged therein.

[0109] The cartridge unit 100 has a clip unit 1 and a cartridge 5 capable of accommodating the clip unit 1, similarly to the first embodiment.

[0110] As shown in Figure 32, the case 600 is a box-shaped member capable of housing the sterilization pack 400B. As in the first embodiment, the case 600 has a bottom plate 600a that forms the bottom surface 600as of the case 600, and side plates 600b that are formed to surround the bottom plate 600a. As in the first embodiment, the case 600 is formed with an opening (access port) 600o that allows access to the interior of the case 600.

[0111] Case 600 contains a plurality of sterilization packs 400B. The sterilization packs 400B are contained with a gap large enough to allow a finger to be inserted between adjacent sterilization packs 400B. It is not necessary for case 600 to contain a plurality of sterilization packs 400B.

[0112] [Sterilization pack 400B] As in the first embodiment, the sterilization pack 400B is a bag-shaped member capable of packaging the cartridge unit 100. The sterilization pack 400B can package the cartridge unit 100 while maintaining the interior in a sterile state.

[0113] As in the first embodiment, the sterilization pack 400B can transition between a first state P1 and a second state P2 (see Figures 33 and 34). The sterilization pack 400B transitions from the first state P1 to the second state P2 when the cartridge unit 100 packaged inside the sterilization pack 400B is removed from the case 600.

[0114] Sterilization pack 400B is formed to be breakable, as in the first embodiment. Sterilization pack 400B has a first portion 400m and a second portion 400n. First portion 400m is fixed to case 600 in first state P1 and remains fixed to case 600 in second state P2. Second portion 400n is connected to first portion 400m and housed inside case 600 in first state P1. Second portion 400n is separated from first portion 400m and removed from case 600 in second state P2.

[0115] As shown in Figure 32, the sterilization pack 400B has a first portion of sterilization film 400Ba and a second portion of sterilization film 400Bb. The first portion of sterilization film 400Ba is an example of the first portion 400m. The second portion of sterilization film 400Bb is an example of the second portion 400n.

[0116] The first and second sterilization film portions 400Ba, 400Bb are made of materials that are impermeable to viruses and bacteria, and to sterilization gases. The first and second sterilization film portions 400Ba, 400Bb are made of materials that are impermeable to viruses and bacteria, and are made of materials that are impermeable to sterilization gases. The first and second sterilization film portions 400Ba, 400Bb are made of materials that are, for example, bag-shaped.

[0117] In the first state P1, the first portion 400Ba of the sterilization film and the second portion 400Bb of the sterilization film are formed as a single unit. When the first portion 400Ba of the sterilization film and the second portion 400Bb of the sterilization film are integrated, the interior of the sterilization pack 400B is sterilized by irradiating the interior of the sterilization pack 400B with gamma rays. The method for sterilizing the interior of the sterilization pack 400B is not limited. For example, a hole may be provided in the sterilization pack 400B through which sterilization gas can be introduced, and the hole may be sealed after the interior of the sterilization pack 400B is filled with sterilization gas.

[0118] A break portion 400d is formed at the boundary between the first portion 400Ba and the second portion 400Bb of the sterilization film. When the sterilization pack 400B breaks, the sterilization pack 400B easily breaks at the break portion 400d. The break portion 400d is, for example, a low-strength portion. The break portion 400d has a lower strength than the first portion 400Ba and the second portion 400Bb of the sterilization film. The break portion 400d has a thinner thickness than the first portion 400Ba and the second portion 400Bb of the sterilization film.

[0119] When the sterilization pack 400B is ruptured, an opening 400o is formed in the second part of the sterilization film 400Bb. That is, when the sterilization pack 400B is in the second state P2, an opening 400o is formed in the second part of the sterilization film 400Bb. The boundary between the second part of the sterilization film 400Bb and the first part of the sterilization film 400Ba in the first state P1 becomes the opening 400o in the second state P2. The opening 400o in the second part of the sterilization film 400Bb is sized to allow the cartridge 5 to be inserted therethrough.

[0120] The cartridge 5 is stored in the case 600 with the insertion opening 67 facing the bottom surface 600as of the case 600. By storing the cartridge 5 in the case 600 with the insertion opening 67 facing the bottom surface 600as of the case 600, when the sterilization pack 400B and the cartridge 5 are removed together from the case 600, the insertion opening 67 faces the opening 400o of the sterilization pack 400B. Therefore, the clip introduction device 200 can be inserted into the cartridge 5 while it is packaged in the sterilization pack 400B. The orientation of the cartridge 5 when stored in the case 600 is not limited.

[0121] When the sterilization pack 400B is in the first position P1, the cartridge 5 faces the contact portion 400Bs of the sterilization pack 400B. In the first position P1, the contact portion 400Bs of the sterilization pack 400B contacts the bottom surface 600as of the case 600. The contact portion 400Bs is, for example, the lower end of the sterilization pack 400B. That is, when the sterilization pack 400B is in the first position P1, the cartridge 5 is packaged in the sterilization pack 400B facing the lower end of the sterilization pack 400B. When the sterilization pack 400B is in the second position P2, the cartridge 5 is separated from the contact portion 400Bs of the sterilization pack 400B. That is, when the sterilization pack 400B is in the second position P2, the cartridge 5 is separated from the lower end of the sterilization pack 400B.

[0122] [Method of Removing Cartridge 5] Next, the operation of the sterilization pack 400B will be described with reference to Figures 33 to 35.

[0123] Figure 33 is a perspective view of cartridge system 700B, showing a user grasping sterilization pack 400B and cartridge 5. The sterilization pack 400B is grasped together with the cartridge 5 contained therein. As shown in Figure 33, sterilization pack 400B has a holding portion 400h that is grasped by the user. At this time, sterilization pack 400B is in first position P1, and the interior is kept sterile.

[0124] Figure 34 is a perspective view of cartridge system 700B, showing a user removing sterilization pack 400B and cartridge 5. Sterilization pack 400B is removed from the case together with the cartridge 5 inside. At this time, sterilization pack 400B is torn at breaking portion 400d. Specifically, sterilization pack 400B separates into first portion 400m and second portion 400n. More specifically, sterilization pack 400B separates into first portion of sterilization film 400Ba and second portion of sterilization film 400Bb. At this time, sterilization pack 400B is in second state P2.

[0125] When the sterilization pack 400B and cartridge 5 are removed from the case 600, the sterilization pack 400B breaks on the side opposite the opening 600o of the case 600 in the longitudinal direction L. At this time, the second part of the sterilization film 400Bb does not separate from the case 600 but remains fixed to the case 600.

[0126] Figure 35 shows how the clip unit 1 is loaded using the cartridge 5. When the sterilization pack 400B and cartridge 5 are removed from the case 600, an opening 400o is formed in the second part of sterilization film 400Bb. As a result, as shown in Figure 35, the insertion port 67 of the cartridge 5 is exposed, allowing the clip introduction device 200 to be inserted into the cartridge 5 packaged in the sterilization pack 400B. In other words, the sterilization pack 400B is in the second state P2. At this time, the sterilization state is released because the opening 400o is formed in the sterilization pack 400B.

[0127] Although the second embodiment of the present invention has been described above in detail with reference to the drawings, the specific configuration is not limited to this embodiment and includes design modifications within the scope of the present invention. Furthermore, the components shown in the above embodiment and the modified examples shown below can be configured by appropriately combining them.

[0128] (Third embodiment) [Cartridge system 700C] A cartridge system 700C according to a third embodiment will be described with reference to Figures 36 to 39. The cartridge system 700C according to the third embodiment differs from the cartridge system 700 according to the first embodiment in the configuration of the sterilization pack, etc. In the following description, components that are common to those already described will be assigned the same reference numerals, and redundant description will be omitted.

[0129] Figure 36 is a perspective view showing cartridge system 700C. Figure 37 is a perspective view showing cartridge system 700C, illustrating the inside of case 600. As shown in Figure 37, cartridge system 700C includes cartridge unit 100, a sterilization pack (pack) 400C, and case 600.

[0130] The cartridge unit 100 is packaged in a sterilization pack 400C as shown in Figure 37. The sterilization pack 400C is housed in a case 600 with the cartridge unit 100 packaged therein.

[0131] The cartridge unit 100 has a clip unit 1 and a cartridge 5 capable of accommodating the clip unit 1, similarly to the first embodiment.

[0132] Figure 36 is a perspective view of case 600, showing the state in which sterilization packs 400C are stored. Figure 37 is a perspective view of the interior of case 600, showing the state in which sterilization packs 400C are stored. As shown in Figure 37, case 600 is a box-shaped member that can store sterilization packs 400C. As in the first embodiment, case 600 has a bottom plate 600a that forms the bottom surface 600as of case 600, and side plates 600b that are formed to surround bottom plate 600a. As in the first embodiment, case 600 is formed with an opening (access port) 600o that allows insertion and removal into and from the interior of case 600.

[0133] Case 600 contains a plurality of sterilization packs 400C. The sterilization packs 400C are contained with a gap large enough to allow a finger to be inserted between adjacent sterilization packs 400C. It is not necessary for case 600 to contain a plurality of sterilization packs 400C.

[0134] [Sterilization pack 400C] As in the first embodiment, the sterilization pack 400C is a bag-shaped member capable of packaging the cartridge unit 100. The sterilization pack 400C can package the cartridge unit 100 while maintaining the interior in a sterile state.

[0135] As in the first embodiment, the sterilization pack 400C can transition between a first state P1 and a second state P2 (see Figures 37 and 38). The sterilization pack 400C transitions from the first state P1 to the second state P2 when the cartridge unit 100 packaged inside the sterilization pack 400C is removed from the case 600.

[0136] As shown in Figure 37, the sterilization pack 400C has sterilization paper 400Ca and sterilization film 400Cb. Like the sterilization paper 400a, the sterilization paper 400Ca is a material that is impermeable to viruses and bacteria and is formed, for example, in a substantially rectangular shape. Like the sterilization film 400b, the sterilization film 400Cb is a material that is impermeable to viruses and bacteria and is formed in a bag shape. In the first state P1, the sterilization paper 400Ca and the sterilization film 400Cb are connected. In the second state P2, the sterilization paper 400Ca and the sterilization film 400Cb are separated.

[0137] The sterilization film 400Cb has an opening 400o formed therein. As in the first embodiment, the opening 400o of the sterilization film 400Cb is formed to a size that allows, for example, the cartridge 5 to be inserted therethrough.

[0138] The opening 400o of the sterilization film 400Cb is closed by sterilization paper 400Ca. The sterilization paper 400Ca and the end 400Cbs of the sterilization film 400Cb are, for example, glued together. The sterilization paper 400Ca and the end 400Cbs of the sterilization film 400Cb are glued together all around so that no gaps are formed. With the opening 400o of the sterilization film 400Cb closed by the sterilization paper 400Ca, the inside of the sterilization pack 400C is filled with sterilization gas, thereby sterilizing the inside of the sterilization pack 400C.

[0139] As shown in Figure 37, the sterilization film 400Cb is fixed to the case 600. The sterilization film 400Cb is fixed, for example, by being adhered to the bottom surface 600as of the case 600. The sterilization film 400Cb is fixed with the opening 400o of the sterilization film 400Cb facing the opening 600o of the case 600. Specifically, the sterilization film 400Cb is fixed so that the opening 400o faces upward.

[0140] In the first state P1, the cartridge 5 is packaged in the sterilization pack 400C with the insertion opening 67 facing the bottom surface 600as of the case 600 and is housed in the case 600. Specifically, in the first state P1, the cartridge 5 is packaged in the sterilization pack 400C with the insertion opening 67 facing downward and is housed in the case 600. The orientation in which the cartridge 5 is housed is not limited. The cartridge 5 may be packaged in the sterilization pack 400C with the insertion opening 67 facing the opening 600o of the case 600 and housed in the case 600.

[0141] When the sterilization pack 400C is in the first position P1, the cartridge 5 faces the contact portion 400Cs of the sterilization pack 400C. In the first position P1, the contact portion 400Cs of the sterilization pack 400C is in contact with the bottom surface 600as of the case 600. The contact portion 400Cs is, for example, the lower end of the sterilization pack 400C. That is, when the sterilization pack 400C is in the first position P1, the cartridge 5 is packaged in the sterilization pack 400C facing the lower end of the sterilization pack 400C. When the sterilization pack 400C is in the second position P2, the cartridge 5 is separated from the contact portion 400Cs of the sterilization pack 400C. That is, when the sterilization pack 400C is in the second position P2, the cartridge 5 is separated from the lower end of the sterilization pack 400C.

[0142] [Method of Removing Cartridge 5] Next, the operation of the sterilization pack 400C will be described with reference to Figures 37 to 39.

[0143] As shown in Figure 37, when sterilization pack 400C is attached to and housed in case 600, sterilization pack 400C is in first state P1. At this time, the inside of sterilization pack 400C is maintained in a sterile state.

[0144] Figure 38 is a perspective view of the cartridge system 700C, showing a user tearing the sterilization paper 400Ca. As shown in Figure 38, tearing the sterilization paper 400Ca forms an opening 400o in the sterilization pack 400C, allowing the cartridge 5 to be removed from the sterilization pack 400C. At this point, the interior of the sterilization pack 400C is no longer sterile. For example, a user can tear the sterilization paper 400Ca using their thumb. At this time, the sterilization film 400Cb is fixed to the case 600, making it easy to tear the sterilization paper 400Ca.

[0145] Figure 39 is a perspective view of cartridge system 700C, showing the user removing cartridge 5. After tearing sterilization paper 400Ca, the user removes cartridge 5 from sterilization pack 400C and case 600. Cartridge 5 is inserted through opening 400o of sterilization pack 400C and opening 600o of case 600, and as cartridge 5 is removed from case 600, insertion port 67 is exposed, making it possible to insert sheath 220 of clip introduction device 200 into cartridge 5. In other words, as cartridge 5 is removed from case 600, sterilization pack 400C transitions from first state P1 to second state P2.

[0146] Although the third embodiment of the present invention has been described above in detail with reference to the drawings, the specific configuration is not limited to this embodiment and includes design modifications within the scope of the present invention. Furthermore, the components shown in the above embodiment and the modified examples shown below can be configured by appropriately combining them.

[0147] (Fourth embodiment) [Cartridge system 700D] A cartridge system 700D according to a fourth embodiment will be described with reference to Figures 40 to 47. The cartridge system 700D according to the fourth embodiment differs from the cartridge system 700 according to the first embodiment in the configuration of the sterilization pack, etc. In the following description, components that are common to those already described will be assigned the same reference numerals, and redundant description will be omitted.

[0148] Figure 40 is a perspective view showing cartridge system 700D. Figure 41 is a perspective view showing cartridge system 700D with upper case portion 600Dm of case 600D removed. Figure 42 is a perspective view showing cartridge system 700D, showing the interior of case 600D.

[0149] As shown in FIG. 42, the cartridge system 700D includes a cartridge unit 100D, a sterilization pack (pack) 400D, and a case 600D.

[0150] The cartridge unit 100D is packaged in a sterilization pack 400D as shown in Figure 42. The sterilization pack 400D, with the cartridge unit 100D packaged therein, is housed in a case 600D.

[0151] The cartridge unit 100D has a clip unit 1 and a cartridge 5D that can accommodate the clip unit 1. Like the cartridge unit 100, the cartridge unit 100D is a support system for easily loading the clip unit 1 into the clip introduction device 200.

[0152] As shown in Figure 40, case 600D is a box-shaped member capable of housing sterilization packs 400D. Case 600D has a bottom plate 600Da that forms a bottom surface 600Das of case 600D, and side plates 600Db that are formed to surround bottom plate 600Da. Case 600D is formed with an opening (access port) 600Do that allows access to the interior of case 600D.

[0153] The case 600D may be configured to be separable into an upper case 600Dm and a lower case 600Dn. By separating the upper case 600Dm and the lower case 600Dn, the sterilization pack 400D contained inside the case 600D can be easily removed, as shown in Figure 41. A break portion 600Dh may be formed at the boundary between the upper case 600Dm and the lower case 600Dn. The break portion 600Dh may be formed, for example, by a perforation.

[0154] Case 600D contains a plurality of sterilization packs 400D. The sterilization packs 400D are contained with a gap between adjacent sterilization packs 400D large enough to allow a finger to be inserted. It is not necessary for case 600D to contain a plurality of sterilization packs 400D.

[0155] [Sterilization pack 400D] The sterilization pack 400D is a bag-shaped member capable of packaging the cartridge unit 100D, as in the first embodiment. The sterilization pack 400D can package the cartridge unit 100D while maintaining the interior in a sterile state.

[0156] As in the first embodiment, the sterilization pack 400D can transition between a first state P1 and a second state P2 (see Figures 45 and 46). The sterilization pack 400D transitions from the first state P1 to the second state P2 when the cartridge unit 100D packaged therein is removed from the case 600D.

[0157] As shown in Figure 42, the sterilization pack 400D comprises a pack body 400Da and a pack lid 400Db. The pack body 400Da and the pack lid 400Db are formed integrally. The pack body 400Da and the pack lid 400Db are made of a material that is impermeable to viruses and bacteria.

[0158] The pack body 400Da is bag-shaped and forms the main body of the sterilization pack 400D. The pack body 400Da accommodates the cartridge 5D. The pack body 400Da is fixed to the case 600D. Specifically, the pack body 400Da is adhered and fixed to the bottom surface 600Das of the case 600D.

[0159] An opening 400o is formed in the pack main body 400Da (see FIG. 46). The opening 400o of the pack main body 400Da is formed to a size that allows the cartridge 5D to be inserted therethrough.

[0160] The opening 400o of the pack body 400Da is closed by the pack lid 400Db. The pack lid 400Db is made of films 400Dm and 400Dn. The films 400Dm and 400Dn are formed in a generally rectangular shape (see FIG. 46). The films 400Dm and 400Dn are arranged facing each other and connected to the edge of the opening 400o. The films 400Dm and 400Dn can close the opening 400o by adhering their opposing surfaces 400Dp (see FIG. 46) and 400Dt (see FIG. 46). In this embodiment, the opening 400o is closed with a grip 5Dh interposed between the surfaces 400Dp and 400Dt. The grip 5Dh is a member provided on the cartridge 5D.

[0161] The cartridge 5D has a cartridge body 70, a storage area 7S, and a grip portion 5Dh. The cartridge 5D is different from the cartridge 5 of the first embodiment in that it has a configuration including the grip portion 5Dh. The configurations of the cartridge body 70 and the storage area 7S are similar to those of the cartridge 5 of the first embodiment. However, the configurations of the cartridge body 70 and the storage area 7S are not limited.

[0162] The grip portion 5Dh is formed on the tip side of the cartridge body 70 where the insertion opening 67 is not formed. The grip portion 5Dh extends in the longitudinal direction L from the side surface on the tip side of the cartridge body 70. The grip portion 5Dh is, for example, a plate-shaped member. A protrusion 5Di, for example, may be formed on the tip of the grip portion 5Dh. Forming the protrusion 5Di on the tip of the grip portion 5Dh makes it easier for the user to grip the grip portion 5Dh.

[0163] Figure 43 is a cross-sectional view of the cartridge system 700D shown in Figure 41 taken along line F43-F43. Figure 44 is an enlarged view of the cartridge system 700D shown in Figure 43 taken at D44. The cartridge 5D is stored with the insertion opening 67 facing the bottom surface 600Das of the case 600D. As shown in Figure 44, when the opening 400o of the pack body 400Da is closed by the pack lid 400Db, the grip portion 5Dh is enclosed by the pack lid 400Db. Specifically, the grip portion 5Dh is enclosed by the films 400Dm and 400Dn.

[0164] The films 400Dm and 400Dn of the sterilization pack 400D are adhered to the gripping portion 5Dh so that no gaps are formed. The adhesive surfaces between the films 400Dm and 400Dn and the gripping portion 5Dh may be linear or planar. If there is a gap between the films 400Dm and 400Dn, the films 400Dm and 400Dn are adhered to each other. The opening 400o is closed by the pack lid 400Db so that no gaps are formed.

[0165] When the sterilization pack 400D is in the first position P1, the cartridge 5 faces the contact portion 400Ds of the sterilization pack 400D. The contact portion 400Ds of the sterilization pack 400D contacts the bottom surface 600Das of the case 600D in the first position P1. The contact portion 400Ds is, for example, the lower end of the sterilization pack 400D. That is, when the sterilization pack 400D is in the first position P1, the cartridge 5 is packaged in the sterilization pack 400D facing the lower end of the sterilization pack 400D. When the sterilization pack 400D is in the second position P2, the cartridge 5 is separated from the contact portion 400Ds of the sterilization pack 400D. That is, when the sterilization pack 400D is in the second position P2, the cartridge 5 is separated from the lower end of the sterilization pack 400D.

[0166] [Method of Removing Cartridge 5D] Next, the operation of the sterilization pack 400D will be described with reference to Figures 42 and 45 to 47.

[0167] As shown in Figure 42, when sterilization pack 400D is attached to and housed in case 600D, sterilization pack 400D is in first state P1. At this time, the inside of sterilization pack 400D is maintained in a sterile state.

[0168] Figure 45 is a perspective view showing the cartridge system 700D, showing a state in which a user is holding the grip portion 5Dh. When removing the cartridge 5D from the case 600D, the user holds the grip portion 5Dh as shown in Figure 45. The user holds the grip portion 5Dh using, for example, the thumb and index finger.

[0169] Figure 46 is a perspective view of cartridge system 700D, showing a user removing cartridge 5D. The user can remove cartridge 5D from case 600D by grasping grip 5Dh and pulling cartridge 5D away from case 600D. Specifically, the user can remove cartridge 5D from case 600D by pulling cartridge 5D upward. When cartridge 5D is pulled upward, the adhesion between grip 5Dh and films 400Dm and 400Dn is released. Furthermore, when cartridge 5D is pulled upward, the adhesion between films 400Dm and 400Dn is released, forming opening 400o. In other words, when cartridge 5D is removed from the case, opening 400o is formed, and the sterilization state inside sterilization pack 400D is released.

[0170] Figure 47 shows how the clip unit 1 is loaded using the cartridge 5D. When the cartridge 5D is removed from the case 600D, the insertion opening 67 of the cartridge 5D is exposed. When the insertion opening 67 of the cartridge 5D is exposed, the sheath 220 of the clip introducer device 200 can be inserted into the cartridge 5D, as shown in Figure 47. That is, when the cartridge 5D is removed from the case 600D, the sterilization pack 400D transitions from the first state P1 to the second state P2.

[0171] Although the fourth embodiment of the present invention has been described above in detail with reference to the drawings, the specific configuration is not limited to this embodiment and includes design modifications within the scope of the present invention. Furthermore, the components shown in the above embodiment and the modified examples shown below can be configured by appropriately combining them.

[0172] Fifth Embodiment [Cartridge System 700E] A cartridge system 700E according to a fifth embodiment will be described with reference to Figures 48 to 52. The cartridge system 700E according to the fifth embodiment differs from the cartridge system 700 according to the first embodiment in the configuration of the sterilization pack, etc. In the following description, components that are common to those already described will be assigned the same reference numerals, and redundant description will be omitted.

[0173] Figure 48 is a perspective view showing cartridge system 700E. Figure 49 is a plan view of cartridge system 700E seen from above. Figure 50 is a cross-sectional view of cartridge system 700E shown in Figure 49 taken along line F50-F50.

[0174] As shown in FIG. 50, the cartridge system 700E includes a cartridge unit 100, a sterilization pack (pack) 400E, and a case 600E.

[0175] The cartridge unit 100 is packaged in a sterilization pack 400E as shown in Figure 50. The sterilization pack 400E, with the cartridge unit 100 packaged therein, is housed in a case 600E.

[0176] The cartridge unit 100 has a clip unit 1 and a cartridge 5 capable of accommodating the clip unit 1, similarly to the first embodiment.

[0177] As shown in Figure 48, case 600E is a box-shaped member capable of housing sterilization packs 400E. Case 600E has a bottom plate 600Ea that forms the bottom surface (case main body) 600Eas of case 600E, and side plates (case main body) 600Eb that are formed to surround bottom plate 600Ea. Case 600E is formed with an opening (access port) 600Eo that allows access to the interior of case 600E (see Figure 51).

[0178] The case 600E is provided with a lid (case lid) 600Ed that closes the opening 600Eo. The lid 600Ed is formed, for example, in a substantially rectangular shape. The lid 600Ed is formed, for example, from paper. The lid 600Ed has a single-opening structure. The lid 600Ed may be formed, for example, with a grip 600Eh that is gripped by the user when opening the lid.

[0179] Case 600E contains a plurality of sterilization packs 400E. The sterilization packs 400E are contained with a gap between adjacent sterilization packs 400E large enough to allow a finger to be inserted. It is not necessary for case 600E to contain a plurality of sterilization packs 400E.

[0180] The lid portion 600Ed may have perforations 600Em formed therein. The perforations 600Em formed in the lid portion 600Ed allow the lid portion 600Ed to be separated. The perforations 600Em formed in the lid portion 600Ed allow only a portion of the lid portion 600Ed to be moved, allowing only a portion of the opening 600Eo to be opened.

[0181] When the perforations 600Em are formed in the lid portion 600Ed, the perforations 600Em may also be formed in the bottom plate 600Ea and the side plate 600Eb of the case 600E. By forming the perforations 600Em in the bottom plate 600Ea and the side plate 600Eb, the case 600E can be separated. For example, if multiple cartridges 5 are housed in the case 600E, only unused cartridges 5 can be housed and stored in a separate case 600E, allowing for compact storage. Furthermore, if part of the case 600E becomes soiled, only the soiled part can be discarded.

[0182] [Sterilization pack 400E] As in the first embodiment, the sterilization pack 400E is a bag-shaped member capable of packaging the cartridge unit 100. The sterilization pack 400E can package the cartridge unit 100 while maintaining the interior in a sterile state.

[0183] As in the first embodiment, the sterilization pack 400E can transition between a first state P1 and a second state P2 (see Figures 50 and 51). The sterilization pack 400E transitions from the first state P1 to the second state P2 when the opening 600Eo of the case 600E is opened.

[0184] As shown in Figure 50, the sterilization pack 400E comprises a sterilization paper 400Ea and a sterilization film 400Eb. The sterilization paper 400Ea, like the sterilization paper 400a, is a material that is impermeable to viruses and bacteria and is formed, for example, in a substantially rectangular shape. The sterilization film 400Eb, like the sterilization film 400b, is a material that is impermeable to viruses and bacteria and is formed in a bag shape.

[0185] The sterilization film 400Eb has an opening 400o formed therein. As in the first embodiment, the opening 400o of the sterilization film 400Eb is formed to a size that allows, for example, the cartridge 5 to be inserted therethrough.

[0186] As shown in Figure 50, the sterilization film 400Eb is fixed to the case 600E. For example, the sterilization film 400Eb is fixed by being adhered to the bottom surface 600Eas of the case 600E. The sterilization film 400Eb is fixed with the opening 400o of the sterilization film 400Eb facing the opening 600Eo of the case 600E. Specifically, the sterilization film 400Eb is fixed so that the opening 400o faces upward.

[0187] The opening 400o of the sterilization film 400Eb is closed by sterilization paper 400Ea. The sterilization paper 400Ea and the end 400Ebs of the sterilization film 400Eb are, for example, glued together. The sterilization paper 400Ea and the end 400Ebs of the sterilization film 400Eb are glued together so that no gaps are formed. With the opening 400o of the sterilization film 400Eb closed by the sterilization paper 400Ea, the inside of the sterilization pack 400E is filled with sterilization gas, thereby sterilizing the inside of the sterilization pack 400E.

[0188] The sterilization paper 400Ea is fixed to the lid part 600Ed of the case 600E. Specifically, the sterilization paper 400Ea is adhered and fixed to the back surface of the lid part 600Ed. In the first state P1, the connection strength between the sterilization paper 400Ea and the case 600E is stronger than the connection strength between the sterilization paper 400Ea and the sterilization film 400Eb. Specifically, the adhesive strength between the sterilization paper 400Ea and the lid part 600Ed is greater than the adhesive strength between the sterilization paper 400Ea and the sterilization film 400Eb. Therefore, when the lid part 600Ed is moved in a direction away from the sterilization pack 400E, the adhesive between the sterilization paper 400Ea and the sterilization film 400Eb peels off while the sterilization paper 400Ea remains adhered to the lid part 600Ed.

[0189] The cartridge 5 is stored in the case 600E with the insertion opening 67 facing the bottom surface 600Eas of the case 600E. By storing the cartridge 5 in the case 600E with the insertion opening 67 facing the bottom surface 600Eas of the case 600E, when the sterilization pack 400E and the cartridge 5 are removed together from the case 600E, the insertion opening 67 faces the opening 400o of the sterilization pack 400E. Therefore, the clip introduction device 200 can be inserted into the cartridge 5 while it is packaged in the sterilization pack 400E. The orientation of the cartridge 5 when stored in the case 600E is not limited.

[0190] [Method of Removing Cartridge 5] Next, the operation of the sterilization pack 400E will be described with reference to Figures 48, 51 and 52.

[0191] As shown in Figure 48, when sterilization pack 400E is attached to and housed in case 600E, sterilization pack 400E is in first state P1. At this time, the inside of sterilization pack 400E is maintained in a sterile state.

[0192] Figure 51 is a perspective view showing the cartridge system 700E with the lid 600Ed in an open state. Figure 52 is a side view showing the cartridge system 700E with the lid 600Ed in an open state.

[0193] As shown in Figure 51, the opening 600Eo of the case 600E is opened by moving the lid 600Ed away from the sterilization pack 400E. When the lid 600Ed is moved away from the sterilization pack 400E, the sterilization paper 400Ea is subjected to a force in a direction away from the sterilization film 400Eb, causing the adhesion between the sterilization paper 400Ea and the sterilization film 400Eb to peel off, forming the opening 400o of the sterilization pack 400E. At this time, the sterilization state inside the sterilization pack 400E is released.

[0194] When the adhesion between the sterilization paper 400Ea and the sterilization film 400Eb is peeled off, an opening 400o is formed in the sterilization pack 400E, allowing the cartridge 5 packaged in the sterilization pack 400E to be removed and the sheath 220 of the clip introduction device 200 to be inserted into the insertion opening 67. That is, when the opening 600Eo of the case 600E is opened, the sterilization pack 400E is ruptured, causing the sterilization pack 400E to transition from the first state P1 to the second state P2.

[0195] Although the fifth embodiment of the present invention has been described above in detail with reference to the drawings, the specific configuration is not limited to this embodiment and includes design modifications within the scope of the present invention. Furthermore, the components shown in the above embodiment and the modified examples shown below can be configured by appropriately combining them.

[0196] 1000 Clip system 700 Cartridge system 100 Cartridge unit 1 Clip unit 2 Clip 21 Arm 22 Tissue gripping portion 23 Grip portion 24 Sliding portion 25 Engagement portion 28 Base end portion 3 Pressing member 3A Pressing tube 3B Pressing pipe 30 Pressing tube main body 31 Protruding and recessed wing 32 Fastening member 4 Connecting member 41 Tip connecting portion 42 Base end connecting portion 43 Connecting portion main body 44 Connecting arm 45 Rod-shaped portion 5 Cartridge 67 Insertion port 70 Cartridge main body 7S Storage region 71 First region 73 Folding region 74 Sheath insertion region 76 Sheath abutment portion 200 Clip introduction device (applicator) 220 Sheath 230 Operating wire 240 Operating portion 400 Sterilization pack (pack) 400a Sterilization paper 400b Sterilization film 400m First part 400n Second part 400o Opening 400h Holding part 600 Case 600a Bottom plate 600b Side plate 600as Bottom surface 600o Opening P1 First state P2 Second state

Claims

1. A cartridge system comprising: a cartridge containing a clip unit; a pack in which the cartridge is packaged; and a case capable of containing the pack, wherein the cartridge is configured to allow an applicator into which the clip unit can be loaded to be inserted; the pack is capable of transitioning between a first state in which the pack is attached to the case and the interior is maintained in a sterile state, and a second state in which the applicator can be inserted into the cartridge; and wherein the pack transitions from the first state to the second state when the cartridge is removed from the case.

2. The cartridge system according to claim 1, wherein when the cartridge is removed from the case, the pack is ruptured to form an opening in the pack, thereby causing the pack to transition from the first state to the second state.

3. The cartridge system according to claim 2, wherein in the first state, the pack and the case are connected, and in the second state, the pack and the case are separated.

4. The cartridge system according to claim 2, wherein the pack has a first part fixed to the case and a second part removable from the case, the first part and the second part are connected in the first state, the first part and the second part are separated in the second state, and the boundary between the second part and the first part in the first state becomes the opening in the second state.

5. A cartridge system according to claim 2, wherein the case has an opening through which the cartridge can be removed, and the pack is rupturable on the side opposite to the opening in the removal direction in which the cartridge is removed from the case.

6. The cartridge system according to claim 2, wherein the pack transitions from the first state to the second state when the pack and the cartridge are removed together from the case.

7. The cartridge system according to claim 6, further comprising a connection portion for connecting the pack and the cartridge.

8. A cartridge system as described in claim 2, wherein the pack is formed in a bag shape and comprises a sterilized film in which the opening is formed and sterilized paper capable of closing the opening, wherein in the first state the sterilized paper and the sterilized film are connected and the sterilized paper closes the opening, and wherein in the second state the sterilized paper and the sterilized film are separated.

9. The cartridge system according to claim 8, wherein the sterilization paper is connected to the case, and in the first state, the connection strength between the sterilization paper and the case is stronger than the connection strength between the sterilization paper and the sterilization film.

10. The cartridge system according to claim 1, wherein the cartridge has an insertion opening into which the applicator can be inserted, the case has an extraction opening from which the cartridge can be removed, and the cartridge is housed in the case in the first state with the insertion opening facing away from the extraction opening in the extraction direction in which the cartridge is removed from the case.

11. The cartridge system according to claim 10, wherein when the pack is in the second state, an opening is formed in the pack, and the insertion opening of the cartridge is exposed facing the opening.

12. The cartridge system described in claim 1, wherein the case has an opening through which the cartridge can be removed and a bottom surface formed on the opposite side of the opening in the removal direction in which the cartridge is removed from the case, and the pack has a contact portion that contacts the bottom surface of the case in the first state, and in the first state, the cartridge faces the contact portion of the pack, and in the second state, the cartridge is away from the contact portion of the pack.

13. The cartridge system according to claim 1, wherein the case houses a plurality of the packs, and the packs are housed with a gap between adjacent packs.

14. The cartridge system according to claim 1, wherein the case houses a plurality of the packs, and the packs are housed with spaces between adjacent packs or between the case.

15. A cartridge system comprising: a cartridge containing a clip unit; a pack in which the cartridge is packaged; and a case having a case main body capable of containing the pack and a case lid capable of closing the case main body, wherein the cartridge is configured to allow an applicator into which the clip unit can be loaded to be inserted, and the pack is capable of transitioning between a first state in which the interior is maintained in a sterile state and a second state in which the applicator can be inserted into the cartridge, and wherein the pack transitions from the first state to the second state when the case lid is opened.

16. The cartridge system according to claim 15, wherein when the case lid is opened, the pack is ruptured, thereby causing the pack to transition from the first state to the second state.

17. A cartridge system as described in claim 15, wherein the cartridge has an insertion opening into which the applicator can be inserted, the case has an extraction opening through which the cartridge can be removed by opening the case lid, and the cartridge is housed in the case in the first state with the insertion opening facing away from the extraction opening in the removal direction in which the cartridge is removed from the case.

18. The cartridge system according to claim 17, wherein when the pack is in the second state, an opening is formed in the pack, and the insertion opening of the cartridge is exposed facing the opening.

19. The cartridge system according to claim 15, wherein the case houses a plurality of the packs, and the packs are housed with a gap between adjacent packs.

20. A cartridge system as described in claim 18, wherein the pack is formed in a bag shape and comprises a sterile film in which the opening is formed, and sterile paper capable of closing the opening, the sterile paper being connected to the case, and in the first state, the connection strength between the sterile paper and the case is stronger than the connection strength between the sterile paper and the sterile film.

Images