JP2011182822A - Fixing member, medical instrument, medical fluid storage bag, and blood purifier - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To keep a state where a tube is opened, in a medical fluid storage bag having the tube provided with a blocking member. <P>SOLUTION: A clip 120 to be attached to a dialysate container is provided with: a circulation tube 102 which communicates with and is connected with the liquid outlet port of a storage bag for storing a dialysate and circulates the dialysate within the storage bag to be supplied to the outside; and a communication piece 110 which has a fixed part 111 fixed to the inside of the circulation tube 102 and the separation part 112 separably connected to the fixed part 111 and which is configured so as to block the circulation tube 102 in a state that the separation part 112 is connected to the fixed part 111 and so as to open the circulation tube 102 in a state that the separation part 112 is separated from the fixed part 111. When the separation part 112 of the communication piece 110 is separated from the fixed part 111 to open the circulation tube 102, the separation part 112 is held between the outer parts of the circulation tubes 102 by the clip 120 to fix the separation part 112 to the circulation tube 102. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a fixing member, a medical instrument, a medical liquid storage bag, and a blood purification device.

  Conventionally, in the medical field, a medical liquid storage bag (hereinafter referred to as a “medical bag”) used for storing and transporting blood collected from a patient's body or a therapeutic drug solution (such as physiological saline or dialysate). Has been proposed and put into practical use. The medical bag includes a storage bag that stores blood and a chemical solution, and a tube (flow pipe) that is connected to the liquid outlet of the storage bag.

  At present, there has been proposed a closing member configured to close the flow path in the tube of such a medical bag before use and open the passage during use. For example, it has a cylindrical fixing part fixed in the tube and a columnar separation part that is arranged upstream of the fixing part and is detachably connected to the fixing part, and the middle part of the separation part is large. A closing member in which an end portion is formed in a small diameter is proposed (see Patent Document 1). When such a blocking member is used, when the separation part is separated from the fixed part during use, the opening formed in the fixed part is prevented from being blocked by the end of the separation part, and a flow path in the tube is secured. It becomes possible to do.

  Further, in recent years, it has a cylindrical fixing portion fixed in the tube, and a columnar separation portion that is disposed downstream of the fixing portion and is detachably connected to the fixing portion. There has been proposed a closing member in which a communication hole communicating from the peripheral wall to the downstream end is formed (see Patent Document 2). When such a blocking member is used, the flow path can be secured by the communication hole formed in the separation portion even when the separation portion separates from the fixed portion and flows downstream and hits a step in the tube during use. It becomes.

Japanese Patent No. 3429900 JP 2009-125525 A

  In the conventional closing member described in Patent Documents 1 and 2 described above, the separation part is separated from the fixing part fixed in the tube, and the flow path is opened. The posture and position of the separation part separated from the part cannot be controlled. For this reason, depending on the pressure of the medical liquid flowing in the tube, the flow path in the tube may be blocked again by the separated separation part.

  This invention is made | formed in view of this situation, and it aims at maintaining the state by which the tube was opened in the medical liquid storage bag provided with the tube in which the closure member is provided.

  In order to achieve the above object, the fixing member according to the present invention is connected to the liquid outlet of the storage bag for storing the medical liquid, and is a distribution pipe for distributing the medical liquid in the storage bag and supplying it to the outside. And a cylindrical first part fixed inside the flow pipe and a second part detachably connected to the first part, and the flow pipe is closed with the second part connected to the first part. A closure member configured to open the flow tube in a state where the second part is separated from the first part, and a fixing member attached to the medical liquid storage bag, wherein the second part of the closure member is the first part. When the flow pipe is opened after being separated from a part, the second part is fixed to the flow pipe by sandwiching it from the outside of the flow pipe.

  A medical instrument according to the present invention includes a storage bag for storing a medical liquid, a distribution pipe that is connected to a liquid outlet of the storage bag, distributes the medical liquid in the storage bag, and supplies the medical liquid to the outside. The second pipe is closed while the second part is connected to the first part and has a cylindrical first part fixed inside the pipe and a second part separably connected to the first part. A medical fluid storage bag having a closure member configured to open the flow tube in a state where the portion is separated from the first portion; and the flow tube is opened when the second portion of the closure member is separated from the first portion. And a fixing member that fixes the second portion to the flow pipe by sandwiching the second portion from the outside of the flow pipe.

  The medical liquid storage bag according to the present invention includes a storage bag for storing the medical liquid, and a distribution pipe that is connected to the liquid outlet of the storage bag and distributes the medical liquid in the storage bag and supplies the medical liquid to the outside. And a cylindrical first part fixed inside the flow pipe and a second part detachably connected to the first part, and the flow pipe is closed with the second part connected to the first part. And a closure member configured to open the flow tube with the second part separated from the first part, wherein the second part of the closure member is separated from the first part. When the flow pipe is opened, the second part separated from the first part is fixed to the flow pipe by the fixing means for clamping the second part from the outside of the flow pipe.

  When such a configuration is adopted, the second part of the closing member provided in the medical liquid storage bag is separated from the first part, and the second part is clamped from the outside of the flow pipe by the fixing member and fixed to the flow pipe. Therefore, the state where the distribution pipe is opened can be maintained. Therefore, since it can prevent that the 2nd part after isolation | separation obstruct | occludes the cylindrical 1st part, the medical fluid supplied from a storage bag can be reliably supplied outside via a flow pipe. it can.

  In the medical instrument and the medical liquid storage bag, it is possible to employ a fixing member that clamps the second portion separated from the first portion of the closing member by applying a pressing force to the two locations of the flow pipe from the outside. .

  When such a configuration is employed, the structure of the fixing member can be made extremely simple (two-point clamping structure).

  Further, in the medical instrument and the medical liquid storage bag, a fixing member that applies a pressing force from the outside to the three portions of the flow pipe to sandwich the second portion separated from the first portion of the closing member is adopted. You can also.

  By adopting such a configuration, it is possible to apply a pressing force from the outside to three locations of the flow pipe (three-point pinching), so that the second portion separated from the first portion of the closing member can be more securely attached to the flow pipe. Can be fixed.

  Further, the blood purification apparatus according to the present invention includes the medical liquid storage bag, the blood purification device, a first flow path for flowing the patient's blood to the blood purification device, and blood disposed in the first flow path. A blood purification apparatus comprising: a blood pump that applies pressure to flow the blood purifier to the blood purifier; and a second flow path that returns the blood that has passed through the blood purifier to the body of the patient, The bag is connected to the first channel and / or the second channel via the third channel.

  The blood purification apparatus may further include a fourth flow path for allowing a liquid to flow into the non-blood side of the blood purification device.

  According to the present invention, in a medical liquid storage bag provided with a tube provided with a closing member, it is possible to maintain a state where the tube is opened.

It is a block diagram for demonstrating the whole structure of the hemodialysis apparatus (blood purification apparatus) which concerns on 1st embodiment of this invention. It is an external view of the dialysate container (medical liquid storage bag) which concerns on 1st embodiment of this invention. It is for demonstrating the structure of the communication piece provided in the dialysate container shown in FIG. 2, (A) is a block diagram (enlarged view of the III part of FIG. 2) which shows the state before use, (B) is It is a block diagram which shows the state at the time of use. The state (A) is a top view (including sectional drawing of a distribution pipe) of a clip, showing the state where a separation part of a communicating piece was fixed to a distribution pipe with a clip (fixing member) concerning a first embodiment of the present invention. , (B) is a side view of the clip (including a cross-sectional view of the flow pipe). It is a top view (including sectional view of a distribution pipe) of a clip concerning a second embodiment of the present invention. It is a perspective view of the clip concerning a third embodiment of the present invention. 6 shows a state in which the separation part of the communication piece is fixed to the flow pipe with the clip shown in FIG. 6, (A) is a side view of the clip (including a cross-sectional view of the flow pipe), and (B) is a view of (A). Sectional drawing of VIIB-VIIB part, (C) is sectional drawing of the VIIC-VIIC part of (A).

  Embodiments of the present invention will be described below with reference to the drawings.

<First embodiment>
First, a first embodiment of the present invention will be described. Initially, the whole structure of the hemodialysis apparatus 1 which concerns on 1st embodiment of this invention is demonstrated using FIG. The hemodialysis apparatus 1 corresponds to the blood purification apparatus of the present invention, and an extracorporeal circuit 10 for dialyzing blood taken from a human body through a blood collection puncture needle 2 and then returning it to the human body through a blood return puncture needle 3. It has.

  The extracorporeal circuit 10 sends a blood from the blood collection puncture needle 2 to the blood side of the separation module 20 and returns the blood that has passed through the blood side of the separation module 20 to the blood return puncture needle. 3, the dialysate supply path 40 for supplying dialysate to the non-blood side of the separation module 20, and the drainage flow path for discharging the dialyzed filtrate together with the dialysate from the non-blood side of the separation module 20 50 and a replacement fluid supply path 60 for replenishing the blood circuit 30 with a replacement fluid.

  The separation module 20 corresponds to the blood purifier in the present invention, and has a cylindrical housing 21 whose both ends are closed. In the housing 21, a hollow fiber membrane bundle A as a separating material is accommodated in the longitudinal direction. A blood introduction port 22 is provided on one side in the longitudinal direction of the housing 21, and a blood outlet port 23 is formed on the other side, and a blood circuit 30 is connected to the blood inlet port 22 and the blood outlet port 23. ing. In addition, a dialysate introduction port 24 to which the dialysate supply path 40 is connected and a drainage outlet port 25 to which a drainage channel 50 is connected are formed on the outer peripheral side surface of the housing 21.

  The blood flowing in from the blood inlet 22 passes through the tube of the hollow fiber membrane bundle A on the blood side of the separation module 20 and flows out from the blood outlet 23. In addition, the predetermined component of the blood passing through the hollow fiber membrane bundle A passes through the side wall hole of the hollow fiber membrane and enters the outer peripheral space B of the hollow fiber membrane bundle A in the housing 21 on the non-blood side of the separation module 20. It flows out from the outer peripheral space B through the drainage outlet 25.

  The blood circuit 30 is provided with a pump 31 and a drip chamber 32 in order from the blood collection puncture needle 2 toward the separation module 20. Between the pump 31 and the drip chamber 32, a branch path 34 leading to the anticoagulant injection device 33 is connected. The blood circuit 30 is provided with a drip chamber 35 and an opening / closing valve 36 in order from the separation module 20 toward the blood return puncture needle 3 side.

  Note that a portion of the blood circuit 30 upstream from the separation module 20 (portion for flowing the patient's blood to the separation module 20) corresponds to the first flow path in the present invention. On the other hand, the portion of the blood circuit 30 on the downstream side of the separation module 20 (the portion that returns the blood that has passed through the separation module 20 to the body of the patient) corresponds to the second flow path in the present invention. The pump 31 applies a pressure for allowing the blood taken out to the blood circuit 3 through the blood collection puncture needle 2 to flow to the separation module 20 and corresponds to the blood pump in the present invention.

  A dialysate container 100 is connected to the dialysate supply path 40, and a pump 41 is provided on the way. The drainage flow path 50 is provided with a pump 51 and communicates with the drainage container 52. A replacement fluid container 200 is connected to the replacement fluid supply path 60, and a pump 61 is provided on the way. The replacement fluid supply path 60 is connected to the blood circuit 30 between the separation module 20 and the drip chamber 35.

  The dialysate container 100 storing the dialysate and the replacement fluid container 200 storing the replacement fluid both correspond to the medical liquid storage bag in the present invention, and the configuration thereof will be described later with reference to FIG. . The replacement fluid supply path 60 that connects the replacement fluid container 200 and the blood circuit 30 in communication corresponds to the third flow path in the present invention. In addition, the dialysate supply path 40 through which the dialysate in the dialysate container 100 flows into the non-blood side of the separation module 20 (the outer peripheral space B of the hollow fiber membrane bundle A in the housing 21) is the fourth flow in the present invention. Corresponds to the road.

  In the hemodialysis apparatus 1 according to the present embodiment, the blood collection puncture needle 2 and the blood return puncture needle 3 are punctured into the patient's arm, and the pumps 32, 41, 51, 61 and the like in the extracorporeal circuit 10 are operated. The patient's blood is collected through the blood collection puncture needle 2, passed through the blood circuit 30, passed through the blood side of the separation module 20, and then returned to the patient through the blood return puncture needle 3. On the other hand, the dialysate is supplied from the dialysate container 100 to the outer peripheral space B on the non-blood side of the separation module 20, and is discharged from the outer peripheral space B to the drainage container 52 through the drainage flow path 50. At this time, unnecessary components such as blood waste products on the blood side in the separation module 20 pass from the side wall hole of the hollow fiber membrane to the non-blood side, and this filtrate flows into the drainage flow path 50 together with the dialysate, It is discharged to the drainage container 52. Thus, in the hemodialysis apparatus 1, the patient's blood is dialyzed, purified, and returned to the body.

  Next, the medical liquid storage bag according to the present embodiment will be described with reference to FIGS. In this embodiment, the dialysate container 100 provided in the hemodialysis apparatus 1 will be described as an example of the medical liquid storage bag. The description of the replacement fluid container 200 having substantially the same configuration as the dialysate container 100 is omitted.

  As shown in FIG. 2, the dialysate container 100 is connected to a storage bag 101 for storing dialysate and a liquid outlet 101 a of the storage bag 101, and circulates the dialysate in the storage bag 101 and supplies it to the outside. For this purpose, a circulation pipe 102 and a communication piece 110 disposed inside the circulation pipe 102 are provided. The communication piece 110 corresponds to the closing means in the present invention. As shown in FIG. 3, the communication piece 110 has a cylindrical fixing portion (first portion) 111 fixed inside the flow pipe 102 and a thin wall on the fixing portion 111. And a prismatic separation portion (second portion) 112 that is detachably connected via the portion 113.

  Before using the dialysate container 100, as shown in FIG. 3A, the separation part 112 of the communication piece 110 is connected to the fixed part 111, and the flow pipe 102 is in a closed state. Outflow of dialysate is prevented. On the other hand, when the dialysate container 100 is used, as shown in FIG. 3B, the thin portion 113 of the communication piece 110 is broken to separate the separation portion 112 from the fixed portion 111, and the upstream side of the fixed portion 111. The flow pipe 102 is opened by forming the opening 111a in the opening. Thereby, the dialysate stored in the storage bag 101 flows out to the outside through the opened flow pipe 102.

  In the conventional medical liquid storage bag provided with such a communication piece, since the posture and position of the separation part separated from the fixing part of the communication piece cannot be controlled, the flow pipe is closed again by the separation part. In some cases, the medical fluid was prevented from flowing out.

  Therefore, in the dialysate container 100 according to the present embodiment, when the separation part 112 of the communication piece 110 is separated from the fixing part 111 and the flow pipe 102 is opened, the separation part 112 is connected with the clip 120 as shown in FIG. Is fixed from the outside of the flow pipe 102 to fix the separation unit 112 to the flow pipe 102. Hereinafter, the clip 120 corresponding to the fixing member in the present invention will be described.

  As shown in FIGS. 4A and 4B, the clip 120 in this embodiment is configured to hold the separation portion 112 separated from the fixing portion 111 of the communication piece 110 at two points from the outside of the flow pipe 102. . The clip 120 has a first arm 121 having a spherical first abutting portion 122 that abuts on the outer peripheral surface of the flow pipe 102 at the tip, and a spherical second abutting portion 124 that abuts on the outer peripheral surface of the flow pipe 102. A second arm 123, and a rotating portion 125 that rotatably connects the first arm 121 and the second arm 123.

  The rotating part 125 of the clip 120 incorporates an elastic member (not shown), and the first arm 121 and the second arm 123 rotate in the direction of arrow R in FIG. It is energized to move. Therefore, the first contact portion 122 arranged at the tip of the first arm 121 and the second contact portion 124 arranged at the tip of the second arm 123 are biased so as to be close to each other by the elastic member. Will be.

  When the clip 120 is used, the arm (the first arm 121 and the second arm 123) is opened by applying a force against the urging force of the elastic member built in the rotating portion 125 with a finger or the like. A gap is formed between the contact portion 122 and the second contact portion 124 so as to sandwich the flow pipe 102 and the separation portion 112 of the communication piece 110. Then, after the flow pipe 102 and the separation part 112 are sandwiched in the gap, the force against the urging force of the elastic member is removed. As a result, a pressing force is applied to the separation portion 112 of the communication piece 110 from the outside to the two opposing locations 102A and 102B on the outer peripheral surface of the flow pipe 102 by the first contact portion 122 and the second contact portion 124 of the clip 120. Can be pinched.

  In the dialysate container 100 according to the embodiment described above, with the separation part 112 of the communication piece 110 separated from the fixing part 111, the separation part 112 is sandwiched from the outside of the flow pipe 102 by the clip 120. Therefore, the state where the flow pipe 102 is opened can be maintained.

  Further, in the dialysate container 100 according to the embodiment described above, a two-point clamping type in which the separation part 112 separated from the fixing part 111 of the communication piece 110 is clamped by applying a pressing force to the two locations of the flow pipe 102 from the outside. The clip 120 is employed, and the structure of the clip 120 can be extremely simplified.

  In the hemodialysis apparatus 1 according to the embodiment described above, the separation part 112 of the communication piece 110 provided in the dialysate container 100 is clamped from the outside of the flow pipe 102 by the clip 120 and fixed to the flow pipe 102. Thus, the state where the circulation pipe 102 is opened can be maintained. Accordingly, it is possible to prevent the separation part 112 of the communication piece 110 from blocking the opening 111a of the fixing part 111, so that the dialysate supplied from the storage bag 101 is reliably supplied to the outside via the flow pipe 102. can do. As a result, a predetermined flow rate of dialysis fluid can be reliably supplied to the separation module 20, so that stable operation can be maintained without causing an abnormal flow rate alarm or the like of the hemodialysis apparatus 1, and expected. It is possible to increase the effect of dialysis treatment.

<Second embodiment>
Next, a second embodiment of the present invention will be described with reference to FIG. The hemodialysis apparatus according to the present embodiment is obtained by changing the configuration of the clip attached to the dialysate container, and other configurations are substantially the same as those of the first embodiment. Therefore, only the configuration of the changed clip will be described, and the same components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and description thereof will be omitted.

  As shown in FIG. 5, the clip 130 in the present embodiment sandwiches the separation part 112 separated from the fixing part of the communication piece at two points from the outside of the flow pipe 102, and corresponds to the fixing member in the present invention. . The clip 130 has a first rod-shaped portion 131, a second rod-shaped portion 132, and a rotating portion 133 that rotatably connects the first rod-shaped portion 131 and the second rod-shaped portion 132. As shown in FIG. 5, the inner side surface 131 a of the first rod-shaped portion 131 and the inner side surface 132 a of the second rod-shaped portion 132 come into contact with the outer peripheral surface of the flow pipe 102. The rotating portion 133 of the clip 130 incorporates an elastic member (not shown), and the first rod-shaped portion 131 and the second rod-shaped portion 132 are rotated in the direction of arrow R in FIG. It is energized to do.

  When the clip 130 is used, the first rod-shaped portion 131 and the second rod-shaped portion 132 are formed in a V shape by applying a force against the urging force of the elastic member built in the rotating portion 133 with fingers. A gap is formed between the first rod-shaped portion 131 and the second rod-shaped portion 132 so that the flow pipe 102 and the separation portion 112 can be sandwiched therebetween. Then, after the flow pipe 102 and the separation part 112 are sandwiched in the gap, the force against the urging force of the elastic member is removed. As a result, pressing force is applied to the separation part 112 of the communication piece from the outside on the inner side surface 131a of the first rod-like portion 131 and the inner side surface 132a of the second rod-like portion 132 at two locations on the outer peripheral surface of the flow pipe 102. Can be pinched.

  In the dialysate container according to the embodiment described above, with the separation part 112 of the communication piece separated from the fixing part, the separation part 112 is clamped from the outside of the flow pipe 102 by the clip 130 and fixed to the flow pipe 102. Therefore, the state where the circulation pipe 102 is opened can be maintained.

  Further, in the dialysate container according to the embodiment described above, a two-point clamping clip 130 that clamps the separation portion 112 separated from the fixed portion of the communication piece by applying a pressing force to the two locations of the flow pipe 102 from the outside. And the structure of the clip 130 can be made extremely simple.

  In the hemodialysis apparatus according to the embodiment described above, the separation part 112 of the communication piece provided in the dialysate container is clamped from the outside of the flow pipe 102 by the clip 130 and fixed to the flow pipe 102, The state where the circulation pipe 102 is opened can be maintained. Therefore, it is possible to prevent the separation part 112 of the communication piece from blocking the opening of the fixing part, so that the dialysate supplied from the storage bag can be reliably supplied to the outside via the flow pipe 102. . As a result, the dialysate at a predetermined flow rate can be reliably supplied to the separation module, so that the expected dialysis treatment effect can be obtained.

<Third embodiment>
Next, a third embodiment of the present invention will be described with reference to FIGS. The hemodialysis apparatus according to the present embodiment is obtained by changing the configuration of the clip attached to the dialysate container, and other configurations are substantially the same as those of the first embodiment. Therefore, only the configuration of the changed clip will be described, and the same components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and description thereof will be omitted.

  As shown in FIGS. 6 and 7, the clip 140 in this embodiment is configured to hold the separation part 112 separated from the fixing part 111 of the communication piece at three points from the outside of the flow pipe 102. It corresponds to a member. The clip 140 has three arms (first contact) having spherical contact portions (first contact portion 142, second contact portion 144, and third contact portion 146) that contact the outer peripheral surface of the flow pipe 102 at the tip. One arm 141, a second arm 143, and a third arm 145), and a columnar rotating portion 147 that rotatably connects the three arms. The first arm 141, the third arm 145, and the second arm 143 are disposed so as to face each other with the flow pipe 102 (and the separation part 112) interposed therebetween.

  The rotating portion 147 of the clip 140 incorporates an elastic member (not shown), and the three arms rotate in the direction of the arrow R in FIGS. 7B and 7C. It is energized to do. Accordingly, the first contact portion 142 disposed at the distal end of the first arm 141, the third contact portion 146 disposed at the distal end of the third arm 145, and the second contact disposed at the distal end of the second arm 143. The contact portion 144 is urged by an elastic member so as to be close to each other with the flow pipe 102 (and the separation portion 112) interposed therebetween.

  When the clip 140 is used, the second arm 143 is moved with respect to the first arm 141 and the third arm 145 by applying a force against the urging force of the elastic member built in the rotating portion 147 with fingers. It opens so as to be separated, and a gap is formed between the first contact portion 142 and the third contact portion 146 and the second contact portion 144 so that the flow pipe 102 and the separation portion 112 can be sandwiched between them. . Then, after the flow pipe 102 and the separation part 112 are sandwiched in the gap, the force against the urging force of the elastic member is removed. Thereby, the separation part 112 of the communication piece is connected to the three positions 102C, 102D, and 102E on the outer peripheral surface of the flow pipe 102 from the outside by the first contact part 142, the second contact part 144, and the third contact part of the clip 140. At 146, a pressing force can be applied to hold the sheet.

  In the dialysate container according to the embodiment described above, with the separation part 112 of the communication piece separated from the fixing part 111, the separation part 112 is clamped from the outside of the flow pipe 102 by the clip 140 and fixed to the flow pipe 102. Therefore, the state where the circulation pipe 102 is opened can be maintained.

  Further, in the dialysate container according to the embodiment described above, a three-point clamping clip that clamps the separation part 112 separated from the fixed part 111 of the communication piece by applying pressing force to the three locations of the flow pipe 102 from the outside. Since 140 is employed, the separation part 112 separated from the communication piece fixing part 111 can be more reliably fixed to the flow pipe 102. Further, since the three-point clamping type clip 140 is employed, for example, the flow path spaces 103, 104, and 105 shown in FIGS. 7A, 7B, and 7C are formed, and the separation unit 112 is sandwiched. In this case, the flow area in the flow pipe 102 can be increased. Therefore, the dialysate can be circulated more reliably.

  Further, in the hemodialysis apparatus according to the embodiment described above, the separation part 112 of the communication piece provided in the dialysate container is clamped from the outside of the flow pipe 102 by the clip 140 and fixed to the flow pipe 102, The state where the circulation pipe 102 is opened can be maintained. Therefore, the separation part 112 of the communication piece can be prevented from blocking the opening 111a of the fixed part 111, so that the dialysate supplied from the storage bag is reliably supplied to the outside via the flow pipe 102. Can do. As a result, the dialysate at a predetermined flow rate can be reliably supplied to the separation module, so that the expected dialysis treatment effect can be obtained.

  In each of the embodiments described above, a state in which a clip (fixing means) is attached to a dialysate container (medical liquid storage bag) of a hemodialysis apparatus (blood purification apparatus) is exemplified. A medical device (kit) is formed by pairing a container (medical liquid storage bag) with a two-point holding type or three-point holding type clip (fixing means), and this medical device is separated from other configurations. It can also be distributed.

  In the embodiment described above, an example in which a two-point clamping type and a three-point clamping type clip are employed as the fixing means has been described. However, the configuration of the fixing means is not limited to this. That is, if the separation part of the communication piece is separated from the fixed part and the flow pipe is opened, any structure can be adopted as long as the separation part can be clamped and fixed from the outside of the flow pipe. You can also.

  Moreover, in embodiment described above, although the example which employ | adopted the communication piece which has a prism-shaped separation part (FIG. 4 etc.) was shown, the shape of a separation part is not restricted to this, For example, cylindrical shape is shown. A separation part can also be employed.

  Moreover, in each embodiment described above, the example which connected the replacement fluid container 200 as a medical fluid storage bag to the downstream part (2nd flow path) of the separation module 20 among the blood circuits 30 was shown. However, a medical liquid storage bag (for example, a priming liquid container storing physiological saline or the like) can be connected to a part of the blood circuit 30 upstream of the separation module 20 (first flow path).

  Moreover, in each embodiment described above, the example which applied this invention to the hemodialysis apparatus used for a dialysis therapy was shown, However, The application range of this invention is not restricted to this. For example, the present invention can be applied to various blood purification devices used for plasma exchange therapy, adsorption blood purification therapy, leukocyte removal therapy, ascites filtration concentration reinfusion method, continuous gradual release blood filtration therapy, and the like.

1 ... Hemodialysis device (blood purification device)
20 ... Separation module (blood purifier)
30 ... Blood channel (first channel, second channel)
31 ... Pump (blood pump)
40 ... dialysate supply channel (fourth channel)
60: Replacement fluid supply path (third flow path)
100 ... Dialysate container (medical liquid storage bag)
DESCRIPTION OF SYMBOLS 101 ... Storage bag 101a ... Liquid outflow port 102 ... Distribution pipe 110 ... Communication piece (blocking means)
111 ... fixed part (first part)
112 ... separation part (second part)
120/130/140 Clip (fixing member)
200 ... Replacement container (medical liquid storage bag)

Claims (11)

A circulation pipe that is connected to a liquid outlet of a storage bag for storing medical liquid and circulates the medical liquid in the storage bag and supplies it to the outside, and a cylindrical pipe fixed to the inside of the distribution pipe A first part and a second part detachably connected to the first part, the flow pipe being closed while the second part is connected to the first part, while the second part is the first part A closing member that is configured to open the flow pipe in a state separated from the fixing member attached to the medical liquid storage bag,
When the second part of the closing member is separated from the first part and the flow pipe is opened, the second part is fixed to the flow pipe by sandwiching from the outside of the flow pipe.
Fixed member. The second part separated from the first part of the closing member is sandwiched by applying a pressing force from the outside to two locations of the flow pipe,
The fixing member according to claim 1. The second part separated from the first part of the closing member is sandwiched by applying a pressing force from the outside to three locations of the flow pipe,
The fixing member according to claim 1. A storage bag for storing medical liquid, a flow pipe connected to the liquid outlet of the storage bag for circulating the medical liquid in the storage bag and supplying it to the outside, and fixed inside the flow pipe And the second pipe is detachably connected to the first part and the second part is connected to the first part, and the flow pipe is closed while the second part is closed. A closure member configured to open the flow tube in a state where the portion is separated from the first portion, and a medical liquid storage bag,
A fixing member for fixing the second part to the flow pipe by clamping the second part from the outside of the flow pipe when the second part of the closing member is separated from the first part and the flow pipe is opened;
Comprising
Medical instrument. The fixing member sandwiches the second part separated from the first part of the closing member by applying a pressing force from the outside to two locations of the flow pipe.
The medical device according to claim 4. The fixing member clamps the second part separated from the first part of the closing member by applying a pressing force from the outside to three locations of the flow pipe.
The medical device according to claim 4. A storage bag for storing medical liquid, a flow pipe connected to the liquid outlet of the storage bag for circulating the medical liquid in the storage bag and supplying it to the outside, and fixed inside the flow pipe And the second pipe is detachably connected to the first part and the second part is connected to the first part, and the flow pipe is closed while the second part is closed. A medical liquid storage bag comprising: a closing member configured to open the flow pipe in a state where the part is separated from the first part,
The second part separated from the first part by a fixing means for clamping the second part from the outside of the flow pipe when the second part of the closing member is separated from the first part and the flow pipe is opened. Part is fixed to the flow pipe,
Medical liquid storage bag. The second part separated from the first part of the closing member is sandwiched in a state in which a pressing force is applied from the outside to two locations of the flow pipe,
The medical liquid storage bag according to claim 7. The second part separated from the first part of the closing member is sandwiched in a state in which a pressing force is applied from the outside to three locations of the flow pipe,
The medical liquid storage bag according to claim 7. The medical liquid storage bag according to any one of claims 7 to 9, a blood purifier, a first flow path for flowing a patient's blood to the blood purifier, and the first flow path A blood purification apparatus comprising: a blood pump that is arranged and applies a pressure to flow the blood to the blood purifier; and a second flow path that returns the blood that has passed through the blood purifier to the body of the patient. There,
The medical liquid storage bag is connected to the first flow path and / or the second flow path via a third flow path,
Blood purification device. A fourth flow path for allowing liquid to flow into the non-blood side of the blood purifier,
The blood purification apparatus according to claim 10.

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