JP5283425B2 - Extracorporeal circuit - Google Patents

Description

  The present invention relates to an extracorporeal circuit used in a blood purification apparatus that performs extracorporeal blood circulation such as leukocyte removal, blood adsorption, hemodialysis, blood filtration, and hemofiltration dialysis.

  A blood system circuit used at the time of hemodialysis generally uses a soft tube, and is disclosed in, for example, FIG. The blood system circuit is divided into a blood collection circuit and a blood return circuit. The blood collection circuit has a phagocytic line for priming, replenishment or blood collection, a blood pump tube, an arterial drip chamber, and the blood return circuit is a venous drip. It has a configuration having a chamber. In addition to the blood circuit, a dialysate circuit connected to the dialysate inlet of the dialyzer and a filtrate circuit connected to the dialysate outlet of the dialyzer are also required.

  Thus, since the extracorporeal circuit conventionally used in blood purification consists of several independent circuits, when connecting the extracorporeal circuit to the blood purifier and attaching it to the blood purification device, the connection method Alternatively, the mounting method is difficult to understand, and there are further disadvantages such as soft tubes and the like being entangled.

  In order to solve such a problem, in Patent Document 2, the blood collection circuit and the blood return circuit are integrated in the drip chamber portion, the whole is made compact, and the trouble of installing each drip chamber at the time of use, a soft tube, etc. Eliminates the hassle of tangling. However, although the blood system circuit is integrated, it is still difficult to understand which part of the blood system circuit is connected to the blood purification apparatus, and the problem of the liquid system circuit has not been solved.

JP 2006-340845 A Japanese Patent No. 3145852

  An object of the present invention is to provide an extracorporeal circuit comprising a soft tube that can be easily and reliably attached to a blood purification apparatus in view of the above-described problems of the prior art.

  The inventors divide the extracorporeal circuit into two parts, a blood system circuit and a liquid system circuit, and fix the circuit composed of each soft tube to each panel by the end of the circuit and a binding band. A fixing part to the blood purification apparatus was provided. Then, by adjusting the position and length of each circuit, if each panel is attached to a predetermined position of the blood purification device and the binding band is released, the attachment positional relationship between the extracorporeal circuit and the blood purification device can be easily achieved. The present inventors have found that it can be configured so as to be grasped, and have completed the present invention.

That is, a first configuration of the extracorporeal circuit according to the present invention is an extracorporeal circuit for a blood purification apparatus including a blood system circuit made of a soft tube, and the blood system circuit is bundled by a first binding band. The blood system panel has a first fixing part for fixing to a first hanger part provided at the upper part of the blood purification device, and the blood system circuit is When the blood system panel is fixed to the first hanger part provided on the upper part of the blood purification device through the first fixing part and the first binding band is released , the blood system circuit is Each mounting part is arranged in the vicinity of a corresponding part on the blood purification apparatus in a state where it is suspended by its own weight.

According to a second configuration of the extracorporeal circuit according to the present invention, in the first configuration, the blood system circuit includes a blood collection circuit section that sends blood collected from a patient to the blood purification device, and the blood purification device. A blood return circuit part for returning the blood to the patient, and a connection member for connecting the blood collection circuit part and the blood return circuit part, and the blood collection circuit part is an end part for connecting one end side to the patient The other end side is an end portion for connecting to the blood inlet of the blood purifier, on the blood collection circuit portion, a branch channel for priming, a pillow portion, a blood pump tube, and a branch for introducing an anticoagulant An arterial drip chamber connected to the flow path and the first pressure measurement line is disposed, and an end of the priming branch flow path is detachably fixed to the blood system panel, and the first pressure measurement The end of the line is fixed to the blood system panel. The blood return circuit portion is connected to the first positioning member, and one end side is an end portion for connecting to the blood outlet of the blood purifier, and the other end side is an end portion for connecting to the patient. On the blood return circuit portion, a branch channel for introducing a replacement fluid and a venous drip chamber connected to a second pressure measurement line are arranged, and the end of the second pressure measurement line is the blood system panel. Connected to a second positioning member fixed to the end of the blood collection circuit portion for connection to the blood inlet of the blood purification device, and the blood purification device of the blood return circuit portion. An end for connecting to the blood outlet is connected, and the first binding band includes a blood collection circuit unit binding band for binding the blood collection circuit unit and a blood return circuit unit binding band for binding the blood return circuit unit. The blood system circuit includes the blood collection circuit unit binding van And the blood return circuit unit binding band, the pillow part on the blood collection circuit unit is disposed in the vicinity of the blood collection negative pressure detector of the blood purification device, the blood pump tube is disposed in the vicinity of the blood pump, The arterial drip chamber is disposed in the vicinity of the arterial drip chamber fixing site, and the venous drip chamber is disposed in the vicinity of the venous drip chamber fixing site.

According to a third configuration of the extracorporeal circuit according to the present invention, in the first and second configurations, the extracorporeal circuit for the blood purification apparatus is a soft bag in which a liquid circuit composed of a soft tube is further connected. The liquid system circuit and the soft bag are bundled by a second binding band and are detachably held on the liquid system panel, and the liquid system panel is a second hanger part provided on the upper part of the blood purification device. A soft bag having a second fixing part for fixing to the liquid crystal circuit and connected to the liquid circuit is provided on the blood purification device via the second fixing part. Fixed to the second hanger part, the second binding band is unwound, and the flexible bag can be installed in a predetermined position of the blood purification device by translating the soft bag as it is. .

The fourth configuration of the extracorporeal circuit according to the present invention is the measurement of the amount of filtrate in which the filtrate circuit unit is connected as a soft bag to which the liquid system circuit composed of the soft tube is connected in the third configuration. A dialysis of a blood purifier on the filtrate circuit portion connected to the filtrate amount measurement bag, the other end side being an end portion for draining one end side. A branch flow path connected to the liquid outlet, the branch flow path is provided with a third pressure measurement line and a filtrate pump tube, and the second binding band includes the filtrate circuit section and the filtrate It is characterized by including a filtrate-type binding band for bundling the filtrate amount measurement bag.

The fifth configuration of the extracorporeal circuit according to the present invention is the same as the fourth configuration, except that the dialysate circuit unit is connected as a soft bag to which the liquid circuit composed of the soft tube is connected. The dialysate circuit part has a bag, and one end side is an end part for connection to the dialysate bag, and the other end side is on the dialysate circuit part connected to the dialysate amount measurement bag. A dialysis fluid pump tube is provided in the branch passage, and the second binding band includes the dialysis fluid circuit section and the dialysis fluid volume measurement. A dialysate system binding band for binding the bag is included.

A sixth configuration of the extracorporeal circuit according to the present invention is the replacement fluid amount in which the replacement fluid circuit portion is connected as a soft bag in which the fluid circuit composed of the soft tube is connected in the fourth and fifth configurations. A blood bag of the blood purifier on the replacement fluid circuit portion, one end of which is connected to the replacement fluid bag, and the other end is connected to the replacement fluid volume measurement bag. A branch flow path for connecting to a branch flow path for replacement fluid introduction of the blood return circuit unit for returning the blood to the patient, and the branch flow path is provided with a replacement fluid pump tube, and the second binding band is And a replacement fluid system binding band that bundles the replacement fluid circuit section and the replacement fluid amount measurement bag.

The seventh configuration of the extracorporeal circuit according to the present invention is characterized in that, in the fifth configuration, an end for connecting to the dialysate bag is detachably fixed to the liquid system panel. To do.

Further, an eighth configuration of the extracorporeal circuit according to the present invention is characterized in that, in the sixth configuration, an end portion for connection to the replacement fluid bag is detachably fixed to the liquid system panel. .

  According to the first configuration of the extracorporeal circuit according to the present invention, when the blood system panel is fixed to the first hanger portion provided on the upper part of the blood purification device via the first fixing portion, Since each of the mounting parts is suspended by its own weight in the vicinity of the corresponding part on the blood purification device, it is possible to easily attach each part of the blood system circuit to the blood purification device, and there is a risk of erroneous mounting. Absent.

In addition , when the blood system panel is fixed to the first hanger part provided on the upper part of the blood purification device via the first fixing part and the first binding band is released, each mounting part on the blood system circuit is Since it is placed in the vicinity of the corresponding site on the blood purification device while being suspended by its own weight, it is possible to easily attach each part of the blood system circuit to the blood purification device, and there is no risk of erroneous installation. Further, since the blood system circuit is bundled by the first binding band, the entire extracorporeal circuit is compact and easy to handle.

According to the second configuration of the extracorporeal circuit according to the present invention, the blood system panel is fixed to the first hanger part provided on the upper part of the blood purification device via the first fixing part, and the blood collecting circuit part is bound. When the band and the blood return circuit unit binding band are released, the pillow part on the blood collection circuit unit is arranged near the blood collection negative pressure detector of the blood purification device, the blood pump tube is arranged near the blood pump, and the arterial drip chamber is Since it is arranged in the vicinity of the artery-side drip chamber fixing portion and the vein-side drip chamber is arranged in the vicinity of the vein-side drip chamber fixing portion, it can be easily attached to the blood purification apparatus, and there is no risk of erroneous attachment.

According to the third configuration of the extracorporeal circuit according to the present invention, the liquid system panel is fixed to the second hanger portion provided on the upper part of the blood purification apparatus via the second fixing portion, and the second binding is performed. If the band is released and the soft bag is translated as it is, it can be installed at a predetermined position in the blood purification device, so that the soft bag connected with the liquid system circuit can be easily attached to the blood purification device, and there is a risk of erroneous attachment. Absent.

According to the fourth configuration of the extracorporeal circuit according to the present invention, the liquid system panel is fixed to the second hanger portion provided on the upper part of the blood purification device via the second fixing portion, and the filtrate system is bound. If the band is opened and the filtrate measuring bag is moved in parallel, it can be installed at a predetermined position on the blood purification device, so that the filtrate measuring bag connected to the filtrate circuit can be easily attached to the blood purification device. And there is no fear of wearing it wrong.

According to the fifth configuration of the extracorporeal circuit according to the present invention, the liquid system panel is fixed to the second hanger portion provided on the upper part of the blood purification apparatus via the second fixing portion, and the dialysate system binding is performed. If the band is released and the dialysate volume measuring bag is translated as it is, it can be installed at a predetermined position on the blood purifier, so the dialysate volume measuring bag connected to the dialysate circuit section can be easily attached to the blood purifier. And there is no fear of wearing it wrong.

According to the sixth configuration of the extracorporeal circuit according to the present invention, the liquid system panel is fixed to the second hanger portion provided on the upper part of the blood purification apparatus via the second fixing portion, and the replacement fluid system binding band is fixed. If the solution volume measuring bag is translated as it is, it can be installed at a predetermined position of the blood purification device, so the replacement fluid volume measuring bag connected to the fluid replacement circuit section can be easily attached to the blood purification device. There is no fear of mistakes.

According to the seventh and eighth configurations of the extracorporeal circuit according to the present invention, the end for connecting to the dialysate bag or the end for connecting to the replacement fluid bag is detachably fixed to the liquid system panel. As a result, each of the liquid system panels in the stage before connecting the end portion for connecting to the dialysate bag to the dialysate bag, or in the stage before connecting the end portion for connecting to the replacement fluid bag to the replacement fluid bag, respectively. By fixing it to the floor, it is not contaminated by contact with the floor surface or the like, and the aseptic state can be maintained.

  That is, the extracorporeal circuit according to the present invention is easy to handle because it is integrated into two parts, a blood system circuit and a liquid system circuit. If the blood system panel is fixed to the first hanger part provided on the upper part of the blood purification device and the first binding band is released, each mounting part of the blood system circuit is positioned at each mounting part of the blood purification device, Alternatively, when the liquid system panel is attached to the blood purification device and the second binding band is released, the filtrate volume measurement bag, dialysate volume measurement bag, and replacement fluid volume measurement bag are simply translated and attached to the blood purification device. In addition, since the connection end connected to the dialysate measurement bag and the replacement fluid measurement bag is fixed to the liquid system panel, there is no fear that the connection end is accidentally tainted. From the above, if the extracorporeal circuit of the present invention is used, the extracorporeal circuit can be attached to the blood purification device simply, reliably and safely.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. In the present embodiment, for example, an extracorporeal circuit 1 that performs continuous hemofiltration dialysis (CHDF) in which continuous hemofiltration (CHF) and continuous hemodialysis (CHD) are combined will be described.

  FIG. 1A is a schematic diagram showing a state in which a blood system circuit according to an embodiment of the present invention is held and housed in a blood system panel, and FIG. 1B is a diagram of the blood system circuit according to an embodiment of the present invention. FIG. 2A shows a state in which a part of the blood system is suspended by its own weight while being supported by the blood system panel, and FIG. 2A shows a state in which the liquid system circuit according to the embodiment of the present invention is held and stored in the liquid system panel. FIG. 2B is a diagram showing a state in which each soft bag connected to the liquid circuit is removed by unbundling the binding band, and FIG. 3 is attached with the extracorporeal circuit according to the embodiment of the present invention. FIG. 4 shows an external view of the blood purification apparatus. FIG. 4 shows a blood system panel fixed to a first hanger portion provided at the upper part of the blood purification apparatus, and a part of the blood system circuit is supported by the blood system panel by unwinding the binding band. In this state, it is suspended by its own weight, and each attachment part of the blood system circuit is blood purified. FIG. 5 shows a state in which the liquid system panel is fixed to the second hanger part provided on the upper part of the blood purification apparatus, and the binding band is released to connect to the liquid system circuit. It is a figure which shows a mode that each soft bag was mounted | worn with the blood purification apparatus.

  The extracorporeal circuit 1 for the blood purification apparatus 4 according to the present invention comprises two parts, a blood system circuit 2 shown in FIG. 1 and a liquid system circuit 3 shown in FIG. In the case of performing blood purification therapy such as leukocyte removal or blood adsorption, the liquid circuit 3 may be omitted.

  In FIG. 1A, blood system circuit 2 mainly composed of a soft tube is bundled by first binding bands 81 and 82 and is detachably held on blood system panel 70. The blood system circuit 2 further includes a blood collection circuit unit 11, a blood return circuit unit 12 that returns the blood of the blood purifier 6 to the patient, and a dummy tube 51 that serves as a connection member that connects the blood collection circuit unit 11 and the blood return circuit unit 12. Become. The dummy tube 51 has an end 17 for connecting to the blood inlet 6a of the blood purifier 6 of the blood collection circuit unit 11 and an end 18 for connecting to the blood outlet 6b of the blood purifier 6 of the blood return circuit unit 12. And connect. The dummy tube 51 serving as a connection member also serves as a positioning member in the left-right direction for the blood collection circuit unit 11 and the blood return circuit unit 12 of the blood system circuit 2.

  As long as the shape and material of the blood system panel 70 can be fixed to the protruding portion 5a serving as the first hanger portion provided on the upper part of the blood purification apparatus 4 shown in FIG. Any shape and material may be used, but a hard plastic such as polypropylene having a flat plate shape and appropriate rigidity and flexibility is preferable. The first fixing portion 90 of the blood system panel 70 may be of any structure as long as it can be fixed to the protruding portion 5a serving as the first hanger portion provided on the upper portion of the blood purification device 4. A hole that can be fitted into and fixed to the protruding portion 5a that is the first hanger portion provided at the upper portion of the blood purification device 4 is preferable because the structure is simple and practical. The part on the blood purification apparatus 4 which fixes the blood system panel 70 must be a fixed position. In FIG. 1 and FIG. 4, reference numeral 71 denotes a handle hole for handling the blood system panel 70.

  Blood system circuit 2 is bundled by first binding bands 81 and 82 and fixed to blood system panel 70 so as to be removable. Although the number of the first binding bands is not limited, it is preferable to divide them into a binding band 81 that mainly bundles the blood collection circuit unit 11 and a binding band 82 that mainly bundles the blood return circuit unit 12.

  One end of the blood collection circuit unit 11 is an end 13 for connecting to a patient, and the end 13 is connected to a blood collection needle (not shown) or the like. The other end of the blood collection circuit portion 11 is an end portion 17 for connection to the blood inlet 6a of the blood purifier 6.

  On the blood collection circuit unit 11, a priming branch channel 21, a pillow unit 14, a blood pump tube 15, and a branch channel 22 for introducing an anticoagulant are provided to fill each circuit with liquid before use. The arterial drip chamber 16 to which the first pressure measurement line 23 is connected is disposed. The order of arrangement of the branch channel 21 for priming, the pillow part 14, the blood pump tube 15, the branch channel 22 for introducing an anticoagulant, and the arterial drip chamber 16 is as follows. Can be arranged in any order as long as it is closest to the end 13 for connecting to the patient, but in the arrangement of the blood purification apparatus 4 of this embodiment shown in FIG. 3, the end for connecting to the patient In order from 13, to connect to the branch channel 21 for priming, the pillow part 14, the blood pump tube 15, the branch channel 22 for introducing the anticoagulant, the arterial drip chamber 16, and the blood inlet 6 a of the blood purifier 6. It is preferable that the end portions 17 are arranged in this order.

  One end of the blood return circuit portion 12 is an end portion 18 for connection to the blood outlet 6b of the blood purifier 6. The other end of the blood return circuit unit 12 is an end 20 for connection to a patient, and the end 20 is connected to a blood return needle or the like (not shown).

  On the blood return circuit section 12, the branch flow path 24 for introducing a replacement fluid is connected to the end section 107a of the branch path 107 of the replacement fluid circuit section 102 shown in FIG. And a venous drip chamber 19 to which the second pressure measurement line 25 is connected. The order of arrangement of the branch flow path 24 for introducing the replacement fluid and the venous drip chamber 19 may be any order. However, in the arrangement of the blood purification apparatus 4 of this embodiment shown in FIG. In order from the end 18 for connecting to the blood outlet 6b of the vessel 6, the branch flow channel 24 for introducing replacement fluid, the venous drip chamber 19, and the end 20 for connecting to the patient are arranged in this order. preferable.

  The end portion 21a of the priming branch channel 21 is detachably fixed by a locking piece 70a provided in the blood system panel 70, and the end portion 23a of the first pressure measurement line 23 is positioned in the first position. The first protective filter 26 is interposed between the end portion 52a of the dummy tube 52 serving as a member, and the other end portion 52b of the dummy tube 52 is detachably fixed by a locking piece 70b provided on the blood system panel 70. Has been.

  The second pressure measurement line 25 is connected to the end portion 53a of the dummy tube 53 whose end portion 25a is the second positioning member with the second protective filter 27 interposed therebetween, and the other end portion of the dummy tube 53 is connected. 53 b is detachably fixed by a locking piece 70 c provided on the blood system panel 70.

  That is, as shown in FIG. 4, the blood system panel 70 also serves as a positioning member in the vertical direction and the horizontal direction of the blood system circuit 2. The dummy tubes 52 and 53 serving as the first and second positioning members also serve as the vertical positioning members of the blood system circuit 2. Further, the locking pieces 70b and 70c for locking the dummy tubes 52 and 53 serving as the first and second positioning members also serve as the positioning members in the vertical and horizontal directions of the blood system circuit 2. Further, the locking piece 70a that locks the branch flow path 21 of the blood collection circuit unit 11 also serves as a positioning member in the vertical direction and the horizontal direction of the blood collection circuit unit 11.

  Each of the locking pieces 70a to 70c provided on the blood system panel 70 is a part of the blood system panel 70 in the same manner as the locking pieces 170a and 170b provided on the liquid system panel 170 shown in FIG. The notch is provided with a notch for sandwiching and locking a tube body such as a tube or an end socket.

  As shown in FIG. 4, a fixing portion 90 formed of a square hole provided in the blood system panel 70 is fitted and fixed to a protruding portion 5 a serving as a first hanger portion provided in the upper part of the blood purification device 4. Even when the first binding bands 81 and 82 are released, the end 21a of the priming branch channel 21 is locked to the locking piece 70a at the right position of the blood system panel 70, and the dummy tubes 52 and 53 are respectively connected. The end portions 52b and 53b are locked to the locking pieces 70b and 70c at the center position and the left position of the blood system panel 70, respectively, and each mounting portion on the blood system circuit 2 is suspended by its own weight. The blood system circuit 2 does not fall to the floor because it is held in the state of being arranged in the vicinity of the corresponding part.

  Therefore, the end portion 21a of the priming branch flow path 21 connected to a physiological saline bag or the like (not shown) is kept clean, and there is no fear of being inadvertently contaminated by dropping on the floor or the like. In addition, if the length of each circuit unit such as the blood collection circuit unit 11 and the blood return circuit unit 12 constituting the blood system circuit 2 and the length of each dummy tube 52, 53 is appropriately selected, the attached portion on the blood system circuit 2 A certain pillow section 14, a blood pump tube 15, an arterial drip chamber 16, and a venous drip chamber 19 are a blood collection negative pressure detector 200 and a blood pump 201, which are corresponding parts on the blood purification device 4, respectively. The arterial drip chamber fixing part 202 and the venous drip chamber fixing part 203 can be arranged in the vicinity of each other.

  Further, if each dummy tube 51, 52, 53 is made of a color different from the transparent tube of each circuit part such as the blood collection circuit part 11 and the blood return circuit part 12 constituting the blood system circuit 2, each of the dummy tubes 51, 52, 53 is removed during connection work. The dummy tubes 51, 52, and 53 can be easily distinguished and have excellent workability.

  The branch channel 22 for introducing the anticoagulant is connected to a syringe-type syringe (not shown) containing the anticoagulant, and the syringe is attached to the syringe pump 204 of the blood purification apparatus 4. The first pressure measurement line 23 has a first protective filter 26 at the end 23a, and is connected to the arterial pressure manometer 205 of the blood purification apparatus 4 shown in FIG. The second pressure measurement line 25 has a second protective filter 27 at the end 25a, and is connected to the venous pressure gauge 206 of the blood purification apparatus 4 shown in FIG. The end 24a of the branch flow path 24 for introducing replacement fluid is connected to the end 107a of the branch flow path 107 of the replacement fluid circuit section 102 shown in FIG.

  In FIG. 2, the liquid circuit 3 is mainly composed of a soft tube, and various soft bags including a dialysate volume measurement bag 161, a replacement fluid volume measurement bag 162, and a filtrate volume measurement bag 163 are connected to the liquid circuit 3. The various soft bags to which the liquid circuit 3 is connected can be detached from the liquid system panel 170 by the dialysate system binding band 181, the replacement fluid system binding band 182, and the filtrate system binding band 183, which are the second binding bands. Is held in. Specifically, the liquid system circuit 3 and the soft bag include a dialysate amount measurement bag 161 to which the dialysate circuit portion 101 is connected, a replacement fluid amount measurement bag 162 to which the replacement fluid circuit portion 102 is connected, and a filtrate circuit portion. It consists of three parts, the filtrate amount measuring bag 163 connected to 103. The dialysate volume measurement bag 161, the replacement fluid volume measurement bag 162, and the filtrate volume measurement bag 163 are labeled so that they can be distinguished from each other. In the case of performing continuous hemodialysis (CHF), the dialysate volume measuring bag 161 connected to the dialysate circuit unit 101 may be omitted, and in the case of performing continuous hemodialysis (CHD). The replacement fluid amount measuring bag 162 to which the replacement fluid circuit unit 102 is connected may be omitted.

  As long as the shape and material of the liquid system panel 170 can be fixed to the second hanger part 5b provided on the upper part of the blood purification device 4 and can fix the liquid system circuit 3, as shown in FIG. Such a shape and material may be used, but a hard plastic such as polypropylene having a flat plate shape and appropriate rigidity and flexibility is preferable.

  The second fixing portion 190 of the liquid system panel 170 may be of any structure as long as it can be fixed to the second hanger portion 5b provided on the upper portion of the blood purification device 4. A hole that can be fitted into and fixed to the protruding portion 5b that is the second hanger portion provided on the upper portion of 4 is preferable because the structure is simple and practical. The part on the blood purification apparatus 4 that fixes the liquid system panel 170 must be in a fixed position. 2 and 5, reference numeral 171 denotes a handle hole for handling the liquid system panel 170.

  The liquid circuit 3 and various soft bags are bundled by a second binding band and fixed to the liquid panel 170 so as to be detachable. Specifically, as shown in FIG. 2, the second binding band includes a dialysate system binding band 181 that binds the dialysate amount measurement bag 161 to which the dialysate circuit unit 101 is connected, and a replacement fluid circuit unit 102. The replacement fluid binding band 182 that bundles the replacement fluid volume measuring bag 162 and the filtrate binding band 183 that binds the filtrate fluid measurement bag 163 to which the filtrate circuit unit 103 is connected.

  As shown in FIG. 5, the dialysate circuit unit 101 is provided with an end 101a for connection to the dialysate bag 164 on one end side, and a dialysate circuit connected to the dialysate amount measurement bag 161 on the other end side. On the part 101, there is a branch channel 104 provided with an end 105 connected to the dialysate inlet 6 c of the blood purifier 6, and a dialysate pump tube 106 is provided in the branch channel 104. The end portion 101a for connecting to the dialysate bag 164 is locked by a locking piece 170a provided on the liquid system panel 170 and is detachably fixed.

  The dialysate volume measuring bag 161 to which the dialysate circuit unit 101 is connected can be dialyzed in the blood purification device 4 shown in FIG. It is configured so that it can be attached to the weighing scale 207. During this time, the end 101a for connecting to the dialysate bag 164 is locked by the locking piece 170a and fixed to the liquid system panel 170, so it is kept clean and inadvertently contaminated by falling on the floor or the like. There is no fear of being done. The dialysate pump tube 106 is wound around the outer periphery of the dialysate pump 208 of the blood purification apparatus 4 shown in FIG. 3, and the dialysate pump tube 106 is squeezed by the rotation of the dialysate pump 208 to remove the blood purifier 6. The dialysate is sent to the dialysate inlet 6c.

  The replacement fluid circuit portion 102 is provided with an end portion 102a for connection to the replacement fluid bag 165 on one end side, and on the replacement fluid circuit portion 102 connected to the replacement fluid amount measurement bag 162 on the other end side, as shown in FIG. A branch flow path 107 provided with an end 107a for connection to an end 24a of the branch flow path 24 for introducing a replacement fluid of the blood return circuit section 12 shown in FIG. Is provided. An end portion 102a for connecting to the replacement fluid bag 165 is locked by a locking piece 170b provided on the liquid system panel 170 and is detachably fixed.

  When the replacement fluid amount measuring bag 162 connected to the replacement fluid circuit unit 102 is moved through the replacement fluid system binding band 182 and translated as it is, the replacement fluid amount measuring bag 162 becomes the replacement fluid weighing scale 209 of the blood purification device 4 shown in FIG. It is configured so that it can be attached. During this time, the end portion 102a for connecting to the replacement fluid bag 165 is locked by the locking piece 170b and fixed to the liquid system panel 170, so it is kept clean and is inadvertently contaminated by dropping on the floor or the like. There is no fear. The replacement fluid pump tube 108 is wound around the outer periphery of the replacement fluid pump 210 of the blood purification apparatus 4 shown in FIG. 3, and the replacement fluid pump tube 108 is squeezed by the rotation of the replacement fluid pump 210 to end the end 107a of the branch flow path 107. In addition, the replacement fluid is sent to the blood return circuit unit 12 through the branch flow path 24 to which the end 24a shown in FIG. 4 is connected. The replacement fluid is a fluid for newly replenishing the body fluid that has been removed from the patient.

  The filtrate circuit portion 103 is provided with an end portion 113 for draining at one end side, and the dialysis of the blood purifier 6 on the filtrate circuit portion 103 connected to the filtrate amount measuring bag 163 at the other end side. The branch channel 109 is provided with an end portion 110 connected to the liquid outlet 6d. The branch channel 109 is provided with a third pressure measurement line 112 and a filtrate pump tube 111. The end portion 113 for draining the filtrate circuit portion 103 and the end portion 110 for connecting to the dialysate outlet 6d of the blood purifier 6 of the branch channel 109 do not need to be kept clean. It is not fixed to the system panel 170.

  The filtrate measuring bag 163 to which the filtrate circuit unit 103 is connected, if the filtrate binding band 183 is released and the filtrate measuring bag 163 is translated as it is, the filtrate of the blood purification device 4 shown in FIG. It is configured so that it can be attached to the industrial weighing scale 211. The filtrate pump tube 111 is wound around the outer periphery of the filtrate pump 212 of the blood purification apparatus 4 shown in FIG. 4, and the filtrate pump tube 111 is squeezed by the rotation of the filtrate pump 212 to remove blood from the blood purifier 6. The filtrate is sent from the dialysate outlet 6d to the filtrate circuit section 103 via the branch channel 109 and discharged to the outside. On the other hand, the end 112a of the third pressure measurement line 112 is connected to the filtration pressure manometer 213 of the blood purification apparatus 4 shown in FIG.

  As shown in FIG. 2A, the liquid system panel 170 has a filtrate amount measuring bag 163 connected to the filtrate circuit section 103 from the liquid system panel 170 side, and a replacement fluid volume connected to the replacement liquid circuit section 102. The measurement bag 162 and the dialysate amount measurement bag 161 connected with the dialysate circuit unit 101 are arranged on top of each other in order, and the lower side of the blood purification device 4 shown in FIG. The dialysis fluid weighing scale 207, the replacement fluid weighing scale 209, and the filtrate weighing scale 211 can be sequentially mounted.

  As shown in FIG. 5, the liquid system panel 170 also serves as a horizontal positioning member for the liquid circuit 3.

  INDUSTRIAL APPLICABILITY The present invention is useful for attaching an extracorporeal circuit to a blood purification device simply, reliably and safely in extracorporeal circulation performed using the blood purification device.

(A) is a schematic diagram showing a state in which a blood system circuit according to an embodiment of the present invention is held and housed in a blood system panel, and (b) is a part of the blood system circuit according to an embodiment of the present invention. It is a figure which shows a mode that it hung down with dead weight in the state supported by the system panel. (A) is a schematic diagram which shows the state by which the liquid circuit which concerns on embodiment of this invention was hold | maintained and stored in the liquid system panel, (b) is each soft bag connected to the liquid circuit by releasing the binding band It is a figure which shows a mode that was removed. 1 is an external view of a blood purification apparatus to which an extracorporeal circuit according to an embodiment of the present invention is attached. The blood system panel is fixed to the first hanger part provided on the upper part of the blood purification device, the binding band is released, and a part of the blood system circuit is supported by the blood system panel and is suspended by its own weight. It is a figure which shows a mode that each mounting part of the blood system circuit was positioned by the mounting site | part of the blood purification apparatus. It is a figure which shows a mode that a liquid system panel was fixed to the 2nd hanger part provided in the upper part of the blood purification apparatus, and each soft bag connected to the liquid system circuit by opening the binding band was attached to the blood purification apparatus. .

DESCRIPTION OF SYMBOLS 1 ... Extracorporeal circuit 2 ... Blood system circuit 3 ... Liquid system circuit 4 ... Blood purification apparatus 5a, 5b ... Projection part 6 ... Blood purifier 6a ... Blood inlet (outlet)
6b ... Blood outlet (inlet)
6c ... Dialysate inlet (outlet) / filtrate outlet 6d ... Dialysate outlet (inlet) / filtrate outlet
11 ... Blood collection circuit
12… Blood return circuit
13… End
14… Pillow club
15 ... Blood pump tube
16 ... Arterial drip chamber
17, 18 ... end
19 ... Venous drip chamber
20 ... End
21 ... Branch channel
21a ... end
22 ... Branch channel
23… Pressure measurement line
23a ... end
24 ... Branch channel
24a ... end
25 ... Pressure measurement line
25a ... end
26, 27 ... Protection filter
51-53 ... Dummy tube
52a, 52b ... end
53a, 53b ... end
70 ... Blood system panel
70a-70c ... locking piece
71 ... handle hole
81, 82 ... The first unity band
90 ... Fixed part
101 ... Dialysate circuit
101a ... End
102 ... Fluid replacement circuit
102a ... End
103 ... Filtrate circuit
104 ... Branch channel
105… End
106 ... dialysate pump tube
107 ... Branch channel
107a ... End
108… Hydraulic pump tube
109 ... Branch channel
110… End
111 ... filtrate pump tube
112 ... Pressure measurement line
112a ... End
113… End
161 ... Dialysate measurement bag
162… Replacement fluid measurement bag
163 ... Filtrate measurement bag
164 ... Dialysate bag
165 ... Fluid replacement bag
170 ... Liquid panel
170a, 170b ... locking piece
171 ... handle hole
181 ... Dialysate system binding band
182 ... Replacement fluid system band
183 ... Filtrate binding band
190 ... Fixed part
200 ... Negative blood pressure detector
201 ... Blood pump
202 ... Arterial drip chamber fixation site
203 ... Venus side drip chamber fixing part
204 ... Syringe pump
205 ... Arterial pressure and pressure gauge
206 ... Venous pressure gauge
207 ... Weigh scale for dialysate
208… dialysate pump
209 ... Replacement weighing scale
210… Hydraulic pump
211 ... Weighing scale for filtrate
212 ... Filtrate pump
213 ... Filtration pressure gauge

Claims (8)

An extracorporeal circuit for a blood purification apparatus including a blood system circuit composed of a soft tube,
The blood system circuit is bundled by a first binding band and is detachably held on the blood system panel,
The blood system panel has a first fixing part for fixing to a first hanger part provided on the upper part of the blood purification device,
The blood system circuit fixes the blood system panel to the first hanger part provided on the upper part of the blood purification device via the first fixing part, and when the first binding band is released , An extracorporeal circulation circuit configured to be disposed in the vicinity of a corresponding portion on the blood purification apparatus in a state where each mounting portion on the blood system circuit is suspended by its own weight. The blood system circuit includes a blood collection circuit unit that sends blood collected from a patient to a blood purifier, a blood return circuit unit that returns the blood of the blood purifier to the patient, the blood collection circuit unit, and the blood return circuit unit. And a connecting member for connecting
The blood collection circuit section has a branch flow channel for priming on the blood collection circuit section, one end of which is an end for connecting to a patient and the other end is an end for connecting to the blood inlet of the blood purifier. And an arterial drip chamber to which a pillow part, a blood pump tube, a branch channel for introducing an anticoagulant, and a first pressure measurement line are connected,
An end of the branch channel for priming is detachably fixed to the blood system panel,
The first pressure measurement line is connected to a first positioning member whose end is fixed to the blood system panel,
The blood return circuit part has one end side connected to the blood outlet of the blood purifier and the other end side connected to the patient. A venous drip chamber connected to the branch flow path and the second pressure measurement line is disposed,
The second pressure measurement line is connected to a second positioning member whose end is fixed to the blood system panel,
The connection member connects an end of the blood collection circuit unit for connection to the blood inlet of the blood purifier and an end of the blood return circuit unit for connection to the blood outlet of the blood purifier. ,
The first binding band includes a blood collection circuit unit binding band for binding the blood collection circuit unit, and a blood return circuit unit binding band for binding the blood return circuit unit,
When the blood system circuit unwraps the blood collection circuit unit binding band and the blood return circuit unit binding band, the pillow unit on the blood collection circuit unit is disposed in the vicinity of the blood negative pressure detector of the blood purification device, The blood pump tube is disposed in the vicinity of the blood pump, the arterial drip chamber is disposed in the vicinity of the arterial drip chamber fixing portion, and the venous drip chamber is disposed in the vicinity of the venous drip chamber fixing portion. The extracorporeal circuit according to claim 1 . The extracorporeal circuit for the blood purification apparatus further includes a soft bag to which a liquid circuit composed of a soft tube is connected,
The liquid circuit and the soft bag are bundled by a second binding band and are detachably held on the liquid panel.
The liquid system panel has a second fixing part for fixing to a second hanger part provided on the upper part of the blood purification device,
The soft bag to which the liquid system circuit is connected is configured such that the liquid system panel is fixed to the second hanger portion provided on the blood purification device via the second fixing portion. 3. The extracorporeal circuit according to claim 1 , wherein the extracorporeal circulation circuit is configured to be installed at a predetermined position of the blood purification device by releasing the binding band and translating the soft bag as it is. A filtrate amount measurement bag having a filtrate circuit portion connected as a soft bag to which a liquid circuit composed of the soft tube is connected,
The filtrate circuit portion is an end portion for draining one end side, and the other end side is connected to the dialysate outlet of the blood purifier on the filtrate circuit portion connected to the filtrate amount measurement bag. A branch flow path, the branch flow path is provided with a third pressure measurement line and a filtrate pump tube;
4. The extracorporeal circuit according to claim 3 , wherein the second binding band includes a filtrate-based binding band that bundles the filtrate circuit section and the filtrate amount measurement bag. A dialysis fluid amount measurement bag connected to a dialysis fluid circuit unit as a soft bag to which a fluid circuit composed of the soft tube is connected;
The dialysate circuit part has an end part for connecting to the dialysate bag, and the other end part is connected to the dialysate circuit part connected to the dialysate amount measurement bag, and the dialysate inlet of the blood purifier A branch channel connected to the dial channel, and a dialysate pump tube is provided in the branch channel,
5. The extracorporeal circuit according to claim 4 , wherein the second binding band includes a dialysate-based binding band that binds the dialysate circuit section and the dialysate amount measurement bag. Having a replacement fluid amount measurement bag connected to a replacement fluid circuit unit as a soft bag to which a liquid circuit composed of the soft tube is connected;
The replacement fluid circuit portion is an end portion for connecting one end side to the replacement fluid bag, and the other end side returns blood to the patient on the replacement fluid circuit portion connected to the replacement fluid amount measurement bag. A branch passage for connecting to a branch passage for introducing a replacement fluid in the circuit section, and a replacement fluid pump tube is provided in the branch passage;
Said second binding band is extracorporeal circuit according to claim 4 or claim 5, characterized in that it comprises a replacement fluid system binding band to bundle and the replacement fluid weight measuring bag and the replacement fluid circuit portion. 6. The extracorporeal circuit according to claim 5 , wherein an end for connecting to the dialysate bag is detachably fixed to the liquid system panel. The extracorporeal circuit according to claim 6 , wherein an end portion for connection to the replacement fluid bag is detachably fixed to the liquid system panel.

Images