CN104548234B - Liquid loop - Google Patents

Liquid loop Download PDF

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Publication number
CN104548234B
CN104548234B CN201410535023.2A CN201410535023A CN104548234B CN 104548234 B CN104548234 B CN 104548234B CN 201410535023 A CN201410535023 A CN 201410535023A CN 104548234 B CN104548234 B CN 104548234B
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CN
China
Prior art keywords
pipe
maintaining part
flow path
liquid
fluid loop
Prior art date
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CN201410535023.2A
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Chinese (zh)
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CN104548234A (en
Inventor
渡边英夫
石桥和敏
古贺圭郎
古贺圭一郎
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Asahi Kasei Medical Co Ltd
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Asahi Kasei Medical Co Ltd
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Publication date
Priority claimed from JP2013214020A external-priority patent/JP6226688B2/en
Priority claimed from JP2014014182A external-priority patent/JP6247943B2/en
Application filed by Asahi Kasei Medical Co Ltd filed Critical Asahi Kasei Medical Co Ltd
Publication of CN104548234A publication Critical patent/CN104548234A/en
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Publication of CN104548234B publication Critical patent/CN104548234B/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621Extra-corporeal blood circuits
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/38Removing constituents from donor blood and storing or returning remainder to body, e.g. for transfusion

Abstract

The invention provides a liquid loop. Liquid can flow in the liquid loop. The liquid loop is provided with a liquid flow path, multiple flow path keeping parts, and a positioning part. The liquid flow path comprises a flexible pipe by which the liquid flow path can be folded. The flow path keeping parts divide the liquid flow path into multiple flow path parts, keep the flow path parts in a constant shape and correspond to the flow path parts which are laminated when the liquid flow path is being folded. The positioning part is used for fixing the relative positions of the flow path keeping parts. According to the invention, the whole liquid loop is not liable to deform when being put together in a folded manner and bad consequences caused by bending of the pipe will not be caused.

Description

Fluid loop
Technical field
The present invention relates to a kind of fluid loop of the liquid such as confession replenisher, dialyzate, blood flowing.
Background technology
Be provided with the medical treatment devices such as apparatus for purifying blood (liquid handling device) for sanguimotor blood circuit, In replenisher loop to blood circuit supplement liquid etc..Replenisher loop possesses the pipe for liquid medicine flow, in the stage casing in loop It is provided with flow path portion (heating portion etc.) corresponding with the purpose of liquid, effect is assigned.(the 1st prior art is returned for this fluid loop Road) using having flexible pipe bending, the mode of foldable integral is put together and is accommodated in the carton of conveying.
In addition, being provided with many fluid loops of pipe possessed for being connected by the heating portion of liquid warming and with heating portion Liquid handling device possess heater for the heating portion of fluid loop to be heated and the pipe for clamping fluid loop Clamping part.Here, when fluid loop is installed on into liquid handling device, it is necessary to the heating portion of fluid loop is correctly positioned In the heater of liquid handling device, and the pipe of fluid loop is properly positioned to the holder of liquid handling device.Therefore, Consider to have to arrange heating portion on the deckle board (frame panel) formed by hard resin and manage and utilize and be formed on deckle board Locking piece confinement tube fluid loop (loop of the 2nd prior art) (for example, referring to Japanese Unexamined Patent Publication 05-317418 public affairs Report).
The content of the invention
But, only it is being by (Japanese of integrally putting together the loop as the 1st prior art:Wrapping め) prior art in In fluid loop (loop of the 1st prior art), in conveying, fluid loop gathers dismission, and the shape of fluid loop is easy to walk Shape.Additionally, when fluid loop is folded, it will usually produce kinking (Japanese in the position of pipe bending:キ Application Network) etc., produce sometimes Life is bad.
The present invention provides a kind of fluid loop for the purpose of solving above problem, and the fluid loop is with by foldable integral Shape is difficult out of shape and will not produce bad as caused by the bending of pipe when mode is put together.
The present invention is a kind of fluid loop, and it flows for liquid, wherein, the fluid loop possesses:Liquid flow path, it includes With flexible pipe, can be folded using pipe;Multiple stream maintaining parts, liquid flow path is divided into multiple flow path portions and incited somebody to action by it The plurality of flow path portion remains constant shapes, and corresponding with the multiple flow path portion, and is folding the liquid flow path When the plurality of stream maintaining part overlapping;And location division, it is used between the multiple stream maintaining part that will be overlapped Relative position is fixed.
In the fluid loop, due to keeping each flow path portion of liquid flow path using stream maintaining part, and using positioning The relative position between stream maintaining part is fixed in portion, therefore, even if folding put together liquid flow path, the shape of fluid loop It is not easy to out of shape, is stable.Furthermore it is possible to suppress that the kinking as caused by the bending of pipe etc. is bad, be conducive to the steady of quality It is qualitative.
Can be set to, multiple stream maintaining parts have the main maintaining part of tabular and the face of a side region Chong Die with main maintaining part The product secondary maintaining part smaller than the area of main maintaining part, secondary maintaining part is incorporated in the area of main maintaining part when Chong Die with main maintaining part In domain.In the structure shown here, secondary maintaining part is incorporated in the region of main maintaining part, is thus advantageous to miniaturization.
Such fluid loop can be set to:Location division has:Secondary side fitting portion, it is located at secondary maintaining part;And master Fitting portion, it is located at main maintaining part, can be embedded into secondary side fitting portion and position secondary maintaining part.Can be by by master fitting portion It is embedded into secondary side fitting portion, and relative position that is reliable and simply fixing between main maintaining part and secondary maintaining part.
Such fluid loop can be set to:Main maintaining part have plate main part and from the periphery of plate main part protrude it is prominent Go out portion, in the state of main maintaining part and secondary maintaining part overlapping, will remain in the flow path portion of main maintaining part and be maintained at secondary holding The pipe that the flow path portion in portion is coupled together has the bending section for protruding and bending from the periphery of plate main part, and protuberance is avoided curved Pars convoluta ground is prominent.In the structure shown here, the bending section that protuberance can be interfered and prevent the periphery in plate main part from stepping on tube rolling And cause the bending section to damage such case.That is, the bending section of protuberance protection pipe, is thus advantageous to improve quality.
And it is possible to make the prominent length of protuberance identical with the prominent length of bending section or protrusion than the bending section Length is big, in the structure shown here, even if in longitudinal situation etc., it is also possible to using protuberance reliably the bending section of protection pipe and It is set not to be damaged.
Can be set to, main maintaining part is for the heating plate to the liquid warming by liquid flow path, in secondary maintaining part At least one be to the pipe in, the pump line retainer that the winder on roller pump is kept.Due to main holding Portion can be also used as heating plate, and secondary maintaining part can be also used as pump line retainer, therefore, it is possible to suppression component number of packages, be conducive to Miniaturization.
Can be set to, main maintaining part is for the heating plate to the liquid warming by liquid flow path, in secondary maintaining part At least one is measurement chamber's plate.Because main maintaining part can be also used as heating plate, secondary maintaining part can be also used as measurement chamber Plate, therefore, it is possible to suppression component number of packages, is conducive to miniaturization.
Can also be set to, one of secondary maintaining part be to the pipe in, the winder on roller pump carries out The pump line retainer of holding, another one is measurement chamber's plate, and measurement chamber's plate configuration is kept across main maintaining part and pump line The opposite side of device.In the structure shown here, when fluid loop is folded, folded pump line retainer is stressed with the one side in main maintaining part, The mode for stressing folded measurement chamber plate in another side is folded, and is thus advantageous to miniaturization.
Can be set to, locating notch is set on measurement chamber's plate and is used as location division, metering is set in main maintaining part Chamber fixed part is used as location division, and measurement chamber's fixed part can be embedded into locating notch and position measurement chamber's plate. In the structure, locating notch can be embedded into by measurement chamber's fixed part, and measurement chamber's plate is reliably fixed on main guarantor Hold portion.
Such fluid loop can be set to:It is provided with least one of multiple stream maintaining parts and is punctured for fixed The needle holder of pin.In the structure shown here, puncture needle can stably be kept using needle holder.
Additionally, fluid loop of the invention is arranged on liquid handling device, circulate for liquid, wherein, multiple streams are protected At least one of portion is held with the deckle board for being equipped with pipe, deckle board has:Opening portion, it is formed on the arranging path of pipe;Card Stator, the upstream side of its pipe in opening portion and any place in downstream or upstream side and downstream this at two from deckle board The locking pipe in opposite side;And opening extension, it is from opening portion along the pipe direction and locking piece phase engaging in locking piece To position extend.Here, the opposite side of deckle board is meant that the face opposite with the side towards liquid handling device Side.
The loop of the 2nd described prior art arranges in the side opposite with liquid handling device for deckle board There is pipe.The opening portion corresponding with clamping part is formed with deckle board, pipe is pressed into the upstream side and downstream of clamping part Opening portion, so as in inserting a tube into clamping part.But, because deckle board is formed by hard resin, therefore exist following such Problem, i.e. pipe produces kinking in the end of opening portion if pipe is pressed into opening portion.Additionally, pipe by locking piece is locking and quilt Positioning, but interval between locking piece is bigger, then and the positioning precision of pipe is lower.Thus, even if forming card with avoiding opening portion In the case of stator, also locking piece is formed in the way of to be near opening portion as far as possible.But, the confinement tube near opening portion, The kinking of the pipe produced due to pipe is pressed into opening portion can be encouraged.
In contrast, using fluid loop of the invention, opening portion is formed with deckle board, therefore, in fluid loop peace During loaded on liquid handling device, pipe can be pressed into liquid handling device side from opening portion.Further, since in opening portion The upstream side of pipe and any place in downstream or upstream side and downstream this opposite side card from deckle board is formed with two The locking piece of fixed tube, therefore, it is possible to improve the positioning precision of the pipe near opening portion.It is additionally, since and is formed with from opening portion edge The opening extension that the pipe engaging in locking piece extends towards the position relative with locking piece, therefore, by pipe from opening portion When being pressed into liquid handling device side, pipe can be made to keep out of the way to liquid handling device side from opening extension.Thereby, it is possible to make pipe Gently bend, therefore, it is possible to prevent pipe from kinking is produced when fluid loop is installed on liquid handling device.
Can also be that opening extension extends to the position relative with locking piece from opening portion along the pipe engaging in locking piece Put.So, the position relative with locking piece, energy are extended to along the pipe engaging in locking piece from opening portion by opening extension The pipe that piece constraint is engaged on deckle board is enough set suitably to keep out of the way to liquid handling device side.
Can also be that opening extension extends beyond relative with locking piece from opening portion along the pipe engaging in locking piece Position position.So, by opening extension from opening portion along the pipe engaging in locking piece extend beyond with it is locking The position of the relative position of piece, can be such that the pipe that piece constraint is engaged on deckle board suitably keeps out of the way to liquid handling device side.
Can also be, deckle board is formed by hard resin.So, formed by hard resin by deckle board, being capable of higher precision Ground arranges pipe, therefore, it is possible to improve the installation installed to liquid handling device.
Can also be that the width of opening extension is smaller than the width of opening portion.So, by making the width of opening extension Width than opening portion is small, is capable of the kinking of killer tube and suppresses the rigidity decline of deckle board.
Can also be, locking piece be formed in the upstream side of the pipe in opening portion and downstream this at two, configuration is can be By pipe with the position of the locking pipe in the state of linear extension.So, by the pipe that is formed in locking piece in opening portion Upstream side and downstream this at two, and by locking piece configuration can in the state of by pipe with linear extension the locking pipe Position, can further improve the positioning precision of the pipe near opening portion.
Can also be, liquid handling device possesses:Clamping part, it is formed with the insertion groove for pipe insertion, can clamp slotting Enter the pipe in insertion groove and prevent the circulation of liquid;And press section, the upstream side of its pipe in clamping part and downstream Pressing tube and press it into insertion groove, opening portion is formed at when fluid loop is installed on liquid handling device and clamping part The position corresponding with press section.So, by when fluid loop is installed on liquid handling device in clamping part and press section Opening portion is formed at the position for being configured, easily fluid loop can be positioned relative to liquid handling device.And, utilizing When pipe to be pressed into the insertion groove of clamping part from opening portion for press section, pipe can be made from opening extension to liquid handling device side Keep out of the way.Thereby, it is possible to prevent from being managed when fluid loop is installed on liquid handling device and inserts a tube into the insertion groove of clamping part Produce kinking.
Can also be that fluid loop is arranged on apparatus for purifying blood, and liquid is the dialyzate and benefit that dialysis treatment is used Any one of topping up or both.By by such fluid loop be arranged on apparatus for purifying blood on, be obtained in that with it is upper State same action effect.
The present invention more than, when entirety is put together in a folded fashion, can suppress as caused by the bending of pipe It is bad.
Brief description of the drawings
Fig. 1 is the stereogram of the apparatus for purifying blood in the replenisher loop that can install embodiments of the present invention.
Fig. 2 is the stereogram for representing 3 pipes that will be kept using pump line retainer state respectively on roller pump.
Fig. 3 is the figure from obtained by the replenisher loop of face side observation implementation method.
Fig. 4 is the figure from obtained by the replenisher loop of rear side observation implementation method.
Fig. 5 represents the state that the replenisher loop of implementation method folds, and is the figure from obtained by rear side observation.
Fig. 6 is the sectional view in the replenisher loop of implementation method, and Fig. 6 (a) is the sectional view along line VI -- VI of Fig. 5, Fig. 6 (b) is the sectional view along b-b lines of the figure of Fig. 6 (a).
Fig. 7 represents the state that the replenisher loop of implementation method folds, and is the figure from obtained by face side observation.
Fig. 8 is the sectional view along VIII-VIII lines of Fig. 7.
Fig. 9 is the figure from obtained by the side observation clamping part of apparatus for purifying blood.
Figure 10 is the partial enlarged drawing from obtained by the fluid loop of rear side observation implementation method.
Figure 11 is the partial enlarged drawing for representing the state that fluid loop is installed on apparatus for purifying blood.
Figure 12 is the figure for representing state not using clamping part clamping pipe.
Figure 13 is the figure for representing the state using clamping part clamping pipe.
Figure 14 is the partial sectional view for representing the state that the cap of apparatus for purifying blood is opened.
Figure 15 is the partial sectional view for representing the state that the cap of apparatus for purifying blood is closed.
Figure 16 is to represent the lid that could be used without in the case of the fluid loop to form opening extension, apparatus for purifying blood The partial sectional view of the state that portion closes.
Description of reference numerals
1st, fluid loop;2nd, manage;3rd, liquid flow path;4A, heating flow path portion (flow path portion);4B, pressurized delivered stream Portion;4C, metering flow path portion;5th, heating plate (main maintaining part);5a, top (periphery of plate main part);5b, following (plate main body The periphery in portion);6th, pump line retainer (secondary maintaining part);8th, measurement chamber's plate (secondary maintaining part);9A, 9B, location division;11st, puncture Pin;The bending section of 2a, pipe;51st, plate main part;52nd, top protuberance;53rd, lower projections;55th, frame portion (deckle board);55a, square Shape recess (master fitting portion);55b, measurement chamber's fixed part (master fitting portion);56c, general conventional hook (locking piece);9th, it is open Portion;9a, opening extension;61b, rectangular lip (secondary side fitting portion);62nd, needle holder;(secondary side is fitted together to for 82c, locating notch Portion);117th, clamping part;118th, press section;100th, apparatus for purifying blood;The prominent length of Ha, top protuberance;Ha, pipe it is upper The prominent length of the bending section of side;The prominent length of Hb, lower projections;Hb, the prominent length of the bending section of the downside of pipe.
Specific embodiment
Hereinafter, the preferably implementation method that present invention will be described in detail with reference to the accompanying.In addition, use in the present embodiment " liquid " is the liquid used under medical application, such as appointing in the dialyzate and replenisher that can be used by dialysis treatment One or both or blood etc..Additionally, in whole figures, identical reference is marked to part identically or comparably.
Apparatus for purifying blood
As shown in figure 1, the fluid loop 1 of present embodiment is the loop flowed for replenisher, dialyzate, it is arranged on work To be used on the apparatus for purifying blood 100 of one of liquid handling device.Apparatus for purifying blood 100 possess apparatus main body 101, Chassis portion 102, configuration for supporting arrangement main body 101 set in the guidance panel 103 of the top of apparatus main body 101 and setting It is placed in the side of apparatus main body 101 and the bar 104 for hanging liquid storage bag etc..
Apparatus main body 101 possesses front portion 110 and lateral parts 111, is provided with the assigned position of front portion 110 Blood circuit 120.The various folders for being opened and closed to the pipe as the stream of blood circuit 120 are provided with front portion 110 Gripping member, the roller pump for pressurized delivered liquid, the pressure sensor for detecting Fluid pressure and for keeping filter membrane Filter-holder of component etc..
The door 112 that can be switched is provided with lateral parts 111, is formed in part with for pacifying facing with door 112 Fill the installation portion 113 of fluid loop 1.Additionally, on the top of lateral parts 111, i.e., being exposed from door 112 in lateral parts 111 Part be configured with 3 roller pumps 114.The pipe 2 of fluid loop 1, rotation are wound with the amount of half cycle or so on each roller pump 114 Roller pump 114 smooth out with the fingers with flexible pipe 2 while conveying liquid.Additionally, heater 116 is provided with lateral parts 111, The heater 116 is used to heat the liquid flowed in fluid loop 1.
Fluid loop
As shown in Figure 3 and Figure 4, fluid loop 1 possesses the pipe 2 with flexibility being manufactured into by polyvinyl chloride etc., and possesses The liquid flow path 3 that can be folded using pipe 2.Liquid flow path 3 is divided into 3 (multiple) flow path portions according to its function. The flow path portion of present embodiment possess heated for the liquid to passing through heating flow path portion 4A, be arranged at roller pump 114 and the pressurized delivered of pressurized delivered liquid with flow path portion 4B and for the metering of metering liquid flow path portion 4C.
Heating flow path portion 4A is heated plate (stream maintaining part) 5 and remains constant shapes, pressurized delivered flow path portion 4B Constant shapes, also, the metering measured chamber panel (streams of flow path portion 4C are remained by pump line retainer (stream maintaining part) 6 Maintaining part) 8 remain constant shapes.Additionally, heating plate 5 is configured in the center of fluid loop, pump line retainer 6 and measurement chamber Plate 8 is across the configuration of heating plate 5 ground in both sides.Heating plate 5 is an example of main maintaining part, pump line retainer 6 and measurement chamber Plate 8 is the example of secondary maintaining part.
What heating flow path portion 4A, pressurized delivered flow path portion 4B and each freedom of metering flow path portion 4C passed through for liquid Pipe 2 is connected, used as a result, heating plate 5, pump line retainer 6 and measurement chamber's plate 8 are also physically connected mutually by pipe 2. Because pipe 2 has flexibility, therefore, heating plate 5, pump line retainer 6 and measurement chamber's plate 8 can be folded and overlapped using pipe 2 Get up (reference picture 5 and Fig. 7).
In overlapping, stress folded measurement chamber unit in the one side of the heating plate 5 in center, in another surface side of heating plate 5 Overlap pump line retainer 6.Heating plate 5, pump line retainer 6 and the measurement chamber's plate 8 being mutually superimposed are fixed by location division 9A, 9B For relative position will not stagger each other.In addition, in the following description, the surface side for heating plate 5 is referred to as into front, by it Another surface side is referred to as the back side.Additionally, pump line retainer 6 and measurement chamber's plate 8 are also likewise, before being overlapped with heating plate 5 In the state of, their direction is referred to as front with the face in the positive direction identical direction of heating plate 5, by opposition side Face is referred to as the back side.
Heating plate
As shown in Figure 3 and Figure 4, the heating plate 5 of tabular possesses plate main part 51 and protrudes from the periphery of plate main part 51 Protuberance 52,53.Also, plate main part 51 possesses the substantially rectangular heating portion 54 of lengthwise and surrounds the periphery ground in heating portion 54 Keep the frame portion 55 in the heating portion 54.Heating portion 54 is internally formed with the stream of liquid, is heated using heater 116, Heating portion 54 utilizes such as PP blow moldings.Additionally, frame portion 55 utilizes such as ABS injection mouldings.
The profile of frame portion 55 for substantially rectangular, one in pump line retainer 6 and a pair of short edges 5a, 5b up and down of frame portion 55 (top) short side 5a is adjacent to configuration, another (lower section) in measurement chamber's plate 8 and a pair of short edges 5a, 5b up and down of frame portion 55 Short side 5b is adjacent to configuration.
The central portion 7 for being formed in the center of frame portion 55 is corresponding with the profile in heating portion 54, and heating portion 54 is with frame portion The mode that 55 face side, the i.e. face side of heating plate 5 block central portion 7 is set.In the top along central portion 7 At the two of edge and along central portion 7 lower edge two at be provided with and keep the claw in heating portion 54 (to save sketch map for hooking Show).
In heating portion 54, it is formed with for expanding the contact surface between heating portion 54 and heater 116 with the row of left and right two Snakelike stream 54a be used as a part of heating flow path portion 4A, the entrance and exit difference in the two snakelike stream 54a of row It is connected with pipe 2.The card hanging hole that the claw that can be hooked in frame portion 55 is provided near the corner (corner) in heating portion 54 (saves sketch map Show).Heating portion 54 multiple card hanging holes are hooked in the claw of frame portion 55 and with by way of blocking central portion 7 easily In frame portion 55.Furthermore it is possible to be easily removed heating portion 54 by making heating portion 54 depart from card hanging hole.
Additionally, being respectively equipped with short side (hereinafter referred to as " top ") 5a of the part from periphery, i.e. top in frame portion 55 Prominent four (multiple) protuberances (hereinafter referred to as " top protuberance ") 52 and the short side (hereinafter referred to as " following ") from lower section Two (multiple) protuberances (hereinafter referred to as " lower projections ") 53 that 5b is protruded.Additionally, the face side in frame portion 55 is configured with The pipe 2 being connected with the snakelike stream 54a in heating portion 54, the front of frame portion 55 be provided with for keep pipe 2 multiple hook 56a, 56b。
Also, multiple hook 56a, 56b are divided into protuberance avoidance hook 56a and general conventional hook 56b, 56c.Protuberance is avoided Set in the way of avoiding the root of top protuberance 52, staggering to side with hook 56a, general conventional hook 56b, 56c are according to pipe 2 Configuration is correspondingly appropriately arranged with.
Here, describing protuberance in detail avoids the effect for using hook 56a.As shown in figure 5 and figure 7, folded by fluid loop 1 When storing, pump line retainer 6 is overlapped with the back side of heating plate 5.Thus, the pipe of connection heating plate 5 and pump line retainer 6 2 by from face side towards rear side across frame portion 55 top 5a in the way of bend.In this case, avoided by protuberance Top, the i.e. bending section 2a of the pipe 2 kept with hook 56a will necessarily avoid top protuberance 52.
That is, in the present embodiment, because top protuberance 52 is with avoiding the bending section 2a of pipe 2 prominent, therefore, In the case of by top protuberance 52 facing downward longitudinal fluid loop 1, top protuberance 52 is interferenceed and is produced with floor Gap, causes bending section 2a to damage therefore, it is possible to prevent the periphery (frame portion 55) by plate main part 51 from stepping on the bending section 2a of tube rolling 2 It is bad.That is, due to the bending section of the protection pipe 2 of top protuberance 52, being thus advantageous to improve quality.
Further, since heating plate 5 and pump line retainer 6 in the way of the relative position between them does not stagger by location division 9A, 9B are fixed, therefore, the prominent length ha of the bending section 2a that the top of frame portion 55 during the autofolding fluid loop 1 of pipe 2 protrudes is true It is set to constant.And, the length Ha of top protuberance 52 is identical with the prominent length ha of the bending section 2a of pipe 2 or is more than The prominent length ha of bending section 2a.Even if as a result, by the situation of the top protuberance 52 longitudinal fluid loop 1 facing downward Deng when, top protuberance 52 is also interferenceed with floor and produces gap, therefore, it is possible to prevent the periphery (frame of plate main part 51 Portion 55) step on the bending section 2a of tube rolling 2 and cause bending section 2a to damage, be conducive to improve quality.
Further, since measurement chamber's plate 8 is Chong Die (reference picture 7) with the face side of heating plate 5, and measurement chamber's plate 8 exists Face side is configured with pipe 2, therefore, the bending section 2b of the pipe 2 of connection measurement chamber plate 8 and heating plate 5 will not be across heating plate 5 Following 5b.But, bending section 2b is substantially protruded and exposed laterally from the periphery (following 5b) of heating plate 5, and the protrusion is long Hb is identical with the prominent length Hb of the lower projections 53 being formed on following 5b or more long than the protrusion of lower projections 53 for degree Hb is small for degree.Even if as a result, when by the situation of longitudinal fluid loop 1 etc. facing downward of lower projections 53, lower projections 53 also interference with floor and produce gap, and the periphery (frame portion 55) therefore, it is possible to prevent plate main part 51 steps on the curved of tube rolling 2 Pars convoluta 2b and cause bending section 2b damage, be conducive to improve quality.
Pump line retainer
In the top of heating plate 5, bending 3 pipes 2 for overarching and two pipes being connected with puncture needle 11 are at least protruded 2,3 pipes 2 of the bending in these pipes are equivalent to the flow path portion 4B of the pressurized delivered in liquid flow path 3.Pressurized delivered is formed to use The bending section of each pipe 2 of flow path portion 4B be when apparatus for purifying blood 100 is installed on the roller 114a of roller pump 114 Winder 21 (reference picture 2).Pressurized delivered with each pipe 2 of flow path portion 4B by pump line retainer 6 with constant shapes and at equal intervals Keep.
Pump line retainer 6 possesses grows crosswise and the support plate 61 of tabular and the needle holder for fixing two root puncture pins 11 62.The engaging portion 61a for clipping the winder 21 for keeping pipe 2 is provided with the front of support plate 61.Engaging portion 61a turns into one group a pair To keep a winder 21, each three groups of engaging portion 61a altogether are accordingly provided with 3 winders 21.
Additionally, needle holder 62 is located at the end of support plate 61.Needle holder 62 is this with that can house puncture needle 11 The lengthwise box like of the length of degree, its clamping puncture needle 11 root portion and internally stably keep puncture needle 11.
Measurement chamber's plate
In the lower section of heating plate 5, measurement chamber's plate 8 is connected with by pipe 2.Measurement chamber's plate 8 is blow molded by using PP Shaping and measurement chamber part 81 and plate part 82 is integrally formed, improve rigidity.
Plate part 82 possesses stem portion 82a and the head 82b protruded from stem portion 82a, stem portion 82a are formed with three Measurement chamber part 81, is formed with the stream of liquid on both stem portion 82a and head 82b.The entrance and exit of stream It is connected with pipe 2 respectively.Measurement chamber part 81 and the stream for being formed in plate part 82 are metering flow path portion 4C, metering stream 4C measured chamber panels 8 in portion remain constant shapes.
Location division
As shown in Fig. 5~Fig. 8, heating plate 5, pump line retainer 6 and measurement chamber's plate 8 are using the folding of pipe 2 with flexibility It is folded.Also, heating plate 5 and pump line retainer 6 by location division (hereinafter referred to as " the 1st location division ") 9A be fixed as between phase Position will not be staggered.Additionally, heating plate 5 and measurement chamber's plate 8 are fixed as by location division 9B (hereinafter referred to as " the 2nd location division ") Relative position each other will not stagger.
Rectangular lip (secondary side fitting portion) 61b of convex is provided with positive the two of the support plate 61 of pump line retainer 6. On the other hand, in the back side of the frame portion 55 of heating plate 5, the vicinity of top 5a and be the region overlapped in pump line retainer 6 Two at be formed with concave rectangular recess (master fitting portion) 55a.The cross section of rectangular recess 55a is rectangular ring, in it Side is embedded in for rectangular lip 61b and fixes.
That is, the 1st location division 9A (reference picture 5 and Fig. 6) possess located at pump line retainer 6 rectangular lip 61b and Located at the rectangular recess 55a of heating plate 5.In addition, in the present embodiment, rectangle is positioned at exemplified with rectangular lip 61b insertions Mode on the inside of recess 55a is but it is also possible to be opposite.
Additionally, (fixed in the hole that the top center of the head 82b of measurement chamber's plate 8 (reference picture 7 and Fig. 8) is provided with positioning Position breach) 82c.Locating notch 82c is secondary side fitting portion.On the other hand, in the front of the frame portion 55 of heating plate 5, it is following The substantial middle of 5b is provided with the measurement chamber fixed part 55b of domed protrusion.Measurement chamber's fixed part 55b insertion locating notches 82c and fixed measurement chamber's plate 8.
That is, the 2nd location division 9B possess located at measurement chamber's plate 8 locating notch (secondary side fitting portion) 82c and set In measurement chamber's fixed part (master fitting portion) 55b of heating plate 5.In insertion locating notch 82c and outstanding measurement chamber The inner side insertion of fixed part 55b is fixed with the fixture structural unit 10 of the anticreep being made up of for example resinous pin, rope etc..
In the case where the fluid loop 1 is conveyed, heating plate 5, pump line retainer 6 and measurement chamber's plate 8 are folded Into being mutually superimposed, it is accommodated in the transport boxs such as carton after they are housed in the bag of regulation.Multiple fluid loops 1 are with weight Folded mode is housed in transport box, and the fluid loop 1 of regulation number is cased, then sealing conveying.
In the fluid loop 1 of present embodiment, each flow path portion 4A, 4B of liquid flow path 3,4C are kept at heating plate 5th, on pump line retainer 6 and measurement chamber's plate 8.Also, due to heating plate 5, pump line retainer 6 and measurement chamber's plate 8 that Relative position between this is fixed by location division 9A, 9B, therefore, even if folding put together liquid flow path 3, the shape of fluid loop 1 It is not easy to out of shape, is stable.
Further, since heating plate 5, the relative position between pump line retainer 6 and measurement chamber's plate 8 are fixed, because This, it is bad to suppress the kinking that is caused by the bending for connecting each flow path portion 4A, 4B, 4C and the pipe 2 for bending etc., is conducive to quality Stability.
Additionally, in fluid loop 1, the area for being heated the region of the outward flange encirclement of plate (main maintaining part) 5 is more than pump The area of the side Chong Die with heating plate 5 of tube holder (secondary maintaining part) 6 and measurement chamber's plate (secondary maintaining part) 8.Also, pump Tube holder 6 with heating plate 5 the back side it is Chong Dies when be housed in heating plate 5 region in, and, measurement chamber's plate 8 with add The front of warm plate 5 is housed in the region of heating plate 5 when overlapping.Thus, be conducive to minimizing fluid loop 1.
Additionally, in the 1st location division 9A, rectangular recess 55a can be embedded in by by rectangular lip 61b, it is reliable and simple Relative position between the fixed heating plate 5 in ground and pump line retainer 6.Additionally, in the 2nd location division 9B, can be by that will measure Chamber fixed part 55b is embedded in locating notch 82c, relative position that is reliable and simply fixing between heating plate 5 and measurement chamber's plate 8 Put.
Additionally, in the present embodiment, stream is kept using the heating plate 5 heated to the liquid by liquid flow path 3 Road portion 4A, flow path portion 4B, profit are kept using the pump line retainer 6 kept to the winder 21 on roller pump 114 Flow path portion 4C is kept with metering chamber panel 8.That is, by making heating plate 5, pump line retainer 6 and measurement chamber's plate 8 simultaneous Tool keeps each flow path portion 4A, 4B, function as 4C and suppression component number of packages, is conducive to miniaturization.
Further, since measurement chamber's plate 8 is configured across heating plate 5 side opposite with pump line retainer 6, therefore, When folding fluid loop 1, pump line retainer 6 is overlapped with the face side in heating plate 5, metering is overlapped in the rear side of heating plate 5 The mode of chamber panel 8 is folded, therefore, be conducive to miniaturization.
Additionally, being provided with the needle holder 62 for fixing puncture needle 11 on pump line retainer 6, needle holder can be utilized 62 stably keep puncture needle 11.
Then, the details and installation portion 113 and fluid loop of the installation portion 113 of apparatus for purifying blood 100 are illustrated Relation between 1.
Be provided with installation portion 113 for fluid loop 1 is positioned lug boss 115, in fluid loop 1 flow Heater 116 that logical liquid is heated, the clamping part 117 clamped for the pipe 2 to fluid loop 1 and it is used for Fluid loop 1 is fixed on the fix bar 119 on installation portion 113.
Heater 116 is formed as the rectangular shape of lengthwise, substantially central portion of the configuration in installation portion 113.Heater 116 Structure is not particularly limited, for example, can be set to the structure generated heat by energization.
Lug boss 115 is configured in the bottom of heater 116, and self installation portion 113 protrudes.
Fix bar 119 is configured on the top of heater 116, and self installation portion 113 protrudes, and is formed with downwards in its top ends The engaging portion 119a of prominent hook-shaped (key shape).Additionally, fix bar 119 with engaging portion 119a relative to installation portion about 113 Mobile mode is arranged on the installation portion 113, engaging portion 119a be subject to the effect of the elastic component such as spring (omitting diagram) and Move downwards.
Clamping part 117 is located at around heater 116 three.Specifically describe, on the right side of heater 116 up and down at 2 Clamping part 117 is provided with, clamping part 117 is provided with the one of the left side of heater 116.In addition, the clamping part 117 located at this at three is equal It is set to identical structure.
As shown in Fig. 1 and Fig. 9, the self installation portion 113 of clamping part 117 is prominent to the side of apparatus for purifying blood 100.Clamping part 117 to possess section semicircular arc in the section that the first hemispherical fixed part 117a and the first fixed part 117a are oppositely disposed Section in the second fixed part 117b inner circumferentials space of the second fixed part 117b and configuration be in hemispherical movable part 117c。
First fixed part 117a and the second fixed part 117b are fixed on installation portion 113, in the first fixed part 117a and The insertion groove 117d for the insertion of pipe 2 is formed between two fixed part 117b.Insertion groove 117d is upper and lower apparatus for purifying blood 100 Linearly extending on direction.In addition, forming the convex portion that oriented second fixed part 117b sides protrude on the first fixed part 117a 117e, makes insertion groove 117d locally narrow using convex portion 117e.Movable part 117c can be with certainly relative with the first fixed part 117a The mode that the inner circumferential space of the second semicircular arc fixed part 117b of the section of configuration enters into insertion groove 117d is solid to first Determine portion 117a side shiftings and consolidated to second in the way of keeping out of the way the inner circumferential space of the second fixed part 117b from insertion groove 117d Determine portion's 117b side shiftings.When movable part 117c enters into insertion groove 117d to the first fixed part 117a side shiftings, first consolidates Determine the narrower intervals between portion 117a (convex portion 117e) and movable part 117c, therefore, clamping is inserted into the pipe 2 in insertion groove 117d (reference picture 13).On the other hand, when movable part 117c keeps out of the way the second fixed part 117b to the second fixed part 117b side shiftings Inner circumferential space when, between the first fixed part 117a (convex portion 117e) and movable part 117c interval broadening, therefore, release to insert Enter the clamping (reference picture 12) to the pipe 2 in insertion groove 117d.So, clamping part 117 can be clamped and be inserted into insertion groove 117d In pipe 2 and prevent the circulation of liquid.
Press section 118 is provided with door 112, door 112 is being closed, pipe 2 is pressed into clamping part 117 by the press section 118 In insertion groove 117d.Press section 118 is the position protruded with tabular from door 112.For a clamping part 117, a pair of pressings are set Portion 118.A pair of press sections 118 configure to be in for clamping part 117 when door 112 is closed and are inserted into insertion groove 117d In pipe 2 upstream side and the position in downstream.Therefore, by closing door 112, can be using a pair of press sections 118 in clamping The position pressing tube 2 of upstream side in pipe 2 and downstream in portion 117.
As described above, fluid loop 1 (reference picture 1) correspondingly possesses heating flow path portion 4A, adds with its function Pressure conveying flow path portion 4B and metering flow path portion 4C.Heating flow path portion 4A, pressurized delivered flow path portion 4B and metering Coupled together by pipe 2 with flow path portion 4C.Heating is configured in the center of fluid loop 1, pressurized delivered flow path portion with flow path portion 4A 4B and metering flow path portion 4C is configured at the two ends of fluid loop 1 across heating flow path portion 4A.
As is illustrated by figs. 11 and 12, heating flow path portion 4A possesses:Heating portion 54, its rectangular shape for being formed as lengthwise; Pipe 2, it is connected with heating portion 54 and liquid is circulated between pipe 2 and heating portion 54;And rectangular box-like frame portion (deckle board) 55, it keeps heating portion 54 and pipe 2.
Frame portion 55 is surrounded the periphery ground of heating portion 54 and keeps the heating portion 54, and is configured with pipe 2 in its face side.Frame portion 55 The rectangular box-like of lengthwise is formed as by hard resin, the central opening for the configuration of heating portion 54 is formed with the central portion of frame portion 55 Portion 7.It is short that pressurized delivered flow path portion 4B configures (top) in a pair of short edges 5a, 5b up and down of frame portion 55 by pipe 2 Side 5a sides, it is short that metering flow path portion 4C configures another (lower section) in a pair of short edges 5a, 5b up and down of frame portion 55 by pipe 2 Side 5b sides.
Central portion 7 is formed in the position corresponding with heater 116.Here, the position corresponding with heater 116 Refer to, when fluid loop 1 is installed on the installation portion 113 of apparatus main body 101, installation portion 113, heating with flow path portion 4A and The position Chong Die with heater 116 on the direction (during side-looking) of the overlapping of door 112.The profile phase in central portion 7 and heating portion 54 Correspondence, heating portion 54 is set to block central portion 7 in the face side of frame portion 55.Along the top edge of central portion 7 Two at and (omit along the claw that the card hanging hole for being hooked in heating portion 54 is provided with the two of the lower edge of central portion 7 Diagram).Therefore, it is possible to the card hanging hole by the way that the claw of frame portion 55 to be hooked in heating portion 54, heating portion 54 is arranged on frame portion 55, the card hanging hole in heating portion 54 can be departed from by making the claw of frame portion 55, easily pull down heating portion 54 from frame portion 55.
As shown in Figure 11~Figure 13, opening portion 9 is formed with frame portion 55, the opening portion 9 is formed as the substantially square of lengthwise Shape shape.Opening portion 9 is formed in the position corresponding with clamping part 117 and press section 118.Here, with clamping part 117 and pressing The corresponding position in portion 118 refers to, when fluid loop 1 is installed on the installation portion 113 of apparatus main body 101 and closes door 112, With clamping part 117 and the weight of press section 118 on the direction (during side-looking) that installation portion 113, heating flow path portion 4A and door 112 are overlapped Folded position.Specifically describe, the right side of centrally located opening portion in frame portion 55 7 is up and down formed with opening portion 9 at two, Opening portion 9 is formed with of the left side of centrally located opening portion 7 in frame portion 55.The insertion frame portion 55 of opening portion 9.Therefore, pass through Door 112 is closed, can utilize the pipe 2 that press section 118 will be disposed in opening portion 9 that the insertion of clamping part 117 is pressed into from opening portion 9 In groove 117d.
Multiple general conventional hook 56b, 56c of the confinement tube 2 for locking pipe 2 are provided with the front of frame portion 55.Frame portion 55 Front refers to, when frame portion 55 is installed on into installation portion 113 with the face towards the opposite side in the side of installation portion 113.Also It is to say, the opposite locking pipe 2 in side for apparatus for purifying blood 100 of general conventional hook 56b, 56c from frame portion 55.And And, during general conventional hook 56b, 56c are in the configuration path of pipe 2 with opening portion 9, formed in the arranging path of pipe 2 The locking pipe 2 of mode of opening portion 9.
Here, due to being formed with opening portion 9 in the arranging path of pipe 2, therefore, near opening portion 9, general conventional hook Interval between 56c becomes big so as to the positioning precision step-down of pipe 2.Therefore, a part of multiple general conventional hook 56b, 56c are formed in The vicinity of each opening portion 9 and be pipe 2 in each opening portion 9 upstream side and downstream this at two.Will be formed in above-mentioned respectively opening A pair general conventional hook 56c near oral area 9 are specially called locking piece 56c.Locking piece 56c is configured in such position, i.e. incited somebody to action Pipe 2 is in opening portion 9 with the position of the locking pipe 2 of energy in the state of linearly extending.In addition, locking piece 56c not necessarily wants shape Into the upstream side and downstream of the pipe 2 in opening portion 9 this at two, it is also possible to the upstream side of the pipe 2 being made only in opening portion 9 Or any place in downstream.
And, in frame portion 55 along by a pair of locking pipes 2 of locking piece 56c be formed with from opening portion 9 towards with card The opening extension 9a that stator 56c relative position extends.The position relative with locking piece 56c refers in installation portion 113, to add The position Chong Die with locking piece 56c on the direction (during side-looking) that temperature flow path portion 4A and door 112 are overlapped.
Opening extension 9a extends beyond the position of the position relative with locking piece 56c.But, opening extension 9a is simultaneously Not necessarily will extend beyond the position of the position relative with locking piece 56c, for example, can both extend only to and locking piece 56c phases To position, it is also possible to extend only to the nearside of the position relative with locking piece 56c.
Diameter of the left and right directions width of opening extension 9a more than pipe 2.Here, left and right directions width refers to, and pass through Size on the orthogonal direction of the bearing of trend of the pipe 2 of opening portion 9 and be left and right directions size in Figure 10.Additionally, opening is prolonged The left and right directions width of portion 9a long is smaller than the left and right directions width of opening portion 9.And, the upstream of the pipe 2 being formed in opening portion 9 The locking piece 56c in the downstream of the locking piece 56c of side and the pipe 2 being formed in opening portion 9 is for opening extension 9a Left and right is formed on the contrary.That is, in fig. 12, the locking piece 56c of the upstream side of the pipe 2 being formed in opening portion 9 is being opened Mouth extension 9a left sides are connected with frame portion 55, and extend towards right side in the way of across pipe 2, are formed in the pipe 2 in opening portion 9 The locking piece 56c in downstream be connected with frame portion 55 on the right side of opening extension 9a, and prolong towards left side in the way of across pipe 2 Stretch.
Then, state when illustrating that fluid loop 1 is arranged on apparatus for purifying blood 100 and closed door 112.
First, fluid loop 1 is arranged on the installation portion 113 of apparatus for purifying blood 100.Fluid loop 1 is being installed During, the bottom of frame portion 55 is positioned using lug boss 115, using the locking frame portions 55 of the engaging portion 119a of fix bar 119 Upper end, so as to frame portion 55 is fixed on into installation portion 113.Thus, heating portion 54 is configured in the position corresponding with heater 116 Put, opening portion 9 is configured in the position corresponding with clamping part 117 and press section 118, by the pipe 2 of opening portion 9 configure with folder Hold the corresponding positions of the insertion groove 117d in portion 117.Now, as shown in figure 14, pipe 2 configure for frame portion 55 with The opposite side of clamping part 117.
Then, door 112 is closed.Then, as shown in figure 15, using a pair of press sections 118 will by the pipe 2 of opening portion 9 from Opening portion 9 presses to the side of apparatus for purifying blood 100.Now, the pipe 2 being pressed into opening portion 9 by a pair of press sections 118 can be from opening Mouth extension 9a keeps out of the way to the side of apparatus for purifying blood 100, therefore, it is possible to gently bend.
In contrast, in the case where opening extension 9a is not formed, as shown in figure 16, a pair of press sections 118 and open The distance between end of oral area 9 shortens.Therefore, if using a pair of press sections 118 by by the pipe 2 of opening portion 9 from opening portion 9 The side of apparatus for purifying blood 100 is pressed to, then edge part of the pipe 2 in opening portion 9 sharp bends, therefore, pipe 2 may be in opening portion 9 edge part produces kinking.
So, using the fluid loop 1 of present embodiment, due to being formed with opening portion 9 in frame portion 55, therefore, in liquid When body loop 1 is installed on apparatus for purifying blood 100, pipe 2 can be pressed to the side of apparatus for purifying blood 100 from opening portion 9.Additionally, It is formed with out in the position for being configured with clamping part 117 and press section 118 when fluid loop 1 is installed on apparatus for purifying blood 100 Oral area 9, therefore, it is possible to easily position fluid loop 1 relative to apparatus for purifying blood 100.Further, since in opening portion 9 Pipe 2 upstream side and downstream this locking piece 56c for the opposite locking pipe 2 in side from frame portion 55 is formed with two, Therefore, it is possible to improve the positioning precision of the pipe near opening portion 9.
It is additionally, since and is formed with from opening portion 9 along engaged piece 56c locking pipe 2 towards relative with locking piece 56c Position extend opening extension 9a, therefore, by pipe 2 from opening portion 9 be pressed into configuration in the side of apparatus for purifying blood 100 During the insertion groove 117d of clamping part 117, pipe 2 can be made to keep out of the way to the side of apparatus for purifying blood 100 from opening extension 9a.Thus, Pipe 2 can be made gently to bend, therefore, it is possible to prevent the pipe 2 when fluid loop 1 is installed on apparatus for purifying blood 100 from producing torsion Folding.
Additionally, opening extension 9a is extended to and locking piece 56c from opening portion 9 along the locking pipes 2 of engaged piece 56c Relative position, even extends to exceed the position of the position relative with locking piece 56c, therefore, it is possible to make the quilt in frame portion 55 The pipe 2 of locking piece 56c constraints is suitably kept out of the way to the side of apparatus for purifying blood 100.
Additionally, the upstream side and downstream of pipe 2 in opening portion 9 this form locking piece 56c at two, and by locking piece 56c configurations can be being improved further near opening portion 9 in pipe 2 with the position of locking pipe 2 in the state of linearly extending The positioning precision of pipe 2.
Additionally, forming frame portion 55 by by hard resin, pipe 2 can be more precisely arranged, therefore, it is possible to improve to blood The installation that liquid purifier 100 is installed.
Additionally, by making the width of opening extension 9a smaller than the width of opening portion 9, being capable of the kinking of killer tube 2 and pressing down The rigidity reduction of frame portion processed 55.
More than, preferably implementation method of the invention is illustrated, but the present invention is not limited to above-mentioned embodiment party Formula.For example, in the above-described embodiment, including blood as an example of the liquid handling device for installing fluid loop net Makeup is put, but liquid handling device is not limited to apparatus for purifying blood.

Claims (16)

1. a kind of fluid loop, it flows for liquid, wherein,
The fluid loop possesses:Liquid flow path, it is included thering is flexible pipe, can be folded using the pipe;
Multiple stream maintaining parts, the liquid flow path is divided into multiple flow path portions and the plurality of flow path portion is remained into constant shape by it Shape, and it is corresponding with the multiple flow path portion, and the plurality of stream maintaining part overlapping when the liquid flow path is folded;With And
Location division, its relative position being used between the multiple stream maintaining part that will be overlapped is fixed,
The multiple stream maintaining part has the main maintaining part of tabular and the area ratio of a side region Chong Die with the main maintaining part The small secondary maintaining part of the area of the main maintaining part,
The secondary maintaining part is incorporated in the region of the main maintaining part when Chong Die with the main maintaining part,
The main maintaining part has the protuberance that plate main part and the periphery from the plate main part are protruded,
In the state of the main maintaining part and the secondary maintaining part overlapping, the flow path portion of the main maintaining part is will remain in Have from the periphery of the plate main part with the pipe that the flow path portion for being maintained at the secondary maintaining part is coupled together and protrude And the bending section for bending,
The protuberance is with avoiding the bending section prominent.
2. fluid loop according to claim 1, wherein,
The location division has:
Secondary side fitting portion, it is located at the secondary maintaining part;And
Master fitting portion, it is located at the main maintaining part, can be embedded into the secondary side fitting portion and position the secondary maintaining part.
3. fluid loop according to claim 1, wherein,
The prominent length of the protuberance is identical with the prominent length of the bending section or prominent length than the bending section Greatly.
4. fluid loop according to claim 1, wherein,
The main maintaining part is for the heating plate to the liquid warming by the liquid flow path, in the secondary maintaining part extremely During one is to the pipe less, the pump line retainer that the winder on roller pump is kept.
5. fluid loop according to claim 1, wherein,
The main maintaining part is for the heating plate to the liquid warming by the liquid flow path, in the secondary maintaining part extremely Few one is measurement chamber's plate.
6. fluid loop according to claim 1, wherein,
One of described secondary maintaining part be to the pipe in, pump line that the winder on roller pump is kept protects Holder, another one is measurement chamber's plate, and measurement chamber's plate and the pump line retainer are arranged respectively at the main maintaining part Relative both sides.
7. fluid loop according to claim 5, wherein,
Locating notch being provided with measurement chamber's plate and being used as the location division, measurement chamber is provided with the main maintaining part Room fixed part is used as the location division, and measurement chamber's fixed part can be embedded into the locating notch and by the measurement chamber Plate is positioned.
8. fluid loop according to claim 1, wherein,
The needle holder for fixing puncture needle is provided with least one of the multiple stream maintaining part.
9. fluid loop according to claim 1, wherein,
The fluid loop is arranged on liquid handling device, is circulated for liquid,
At least one of the multiple stream maintaining part with the deckle board for being equipped with the pipe,
The deckle board has:
Opening portion, it is formed on the arranging path of the pipe;
Locking piece, the upstream side of its pipe in the opening portion and any place or upstream side and downstream in downstream This is at two from the opposite locking pipe in side of the deckle board;And
Opening extension, it is relative with the locking piece along the pipe direction engaging in the locking piece from the opening portion Position extend.
10. fluid loop according to claim 9, wherein,
The opening extension is extended to and the locking piece from the opening portion along the pipe engaging in the locking piece Relative position.
11. fluid loops according to claim 9, wherein,
The opening extension is extended beyond and the card from the opening portion along the pipe engaging in the locking piece The position of the relative position of stator.
12. fluid loops according to claim 9, wherein,
The deckle board is formed by hard resin.
13. fluid loops according to claim 9, wherein,
The width of the opening extension is smaller than the width of the opening portion.
14. fluid loops according to claim 9, wherein,
The locking piece be formed in the upstream side of the pipe in the opening portion and downstream this at two, configuration will be can be will The pipe is with the position of the locking pipe in the state of linear extension.
15. fluid loops according to claim 9, wherein,
The liquid handling device possesses:
Clamping part, it is formed with the insertion groove for pipe insertion, can clamp the pipe that is inserted into the insertion groove and Prevent the circulation of the liquid;And
Press section, the upstream side of its pipe in the clamping part and downstream press the pipe and press it into described In insertion groove,
The opening portion be formed at when the fluid loop is installed on the liquid handling device with the clamping part and described The corresponding position in press section.
16. fluid loops according to claim 9, wherein,
The liquid handling device is apparatus for purifying blood,
The liquid is any one of the dialyzate that dialysis treatment is used and replenisher or both.
CN201410535023.2A 2013-10-11 2014-10-11 Liquid loop Active CN104548234B (en)

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JP2014014182A JP6247943B2 (en) 2014-01-29 2014-01-29 Liquid circuit

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US6294094B1 (en) * 1999-09-03 2001-09-25 Baxter International Inc. Systems and methods for sensing red blood cell hematocrit
EP1195171B1 (en) * 2000-10-04 2012-08-15 Terumo Kabushiki Kaisha Peritoneal dialysis apparatus
DE10224750A1 (en) * 2002-06-04 2003-12-24 Fresenius Medical Care De Gmbh Device for the treatment of a medical fluid
JP4419885B2 (en) * 2005-03-22 2010-02-24 株式会社ジェイ・エム・エス Medical liquid circuit parts holding and storage equipment, medical equipment supply parts.
EP2116269B1 (en) * 2007-02-15 2013-10-16 Asahi Kasei Medical Co., Ltd. Blood purification system
KR101964364B1 (en) * 2007-02-27 2019-04-01 데카 프로덕츠 리미티드 파트너쉽 Hemodialysis system
JP5662444B2 (en) * 2009-08-04 2015-01-28 フレセニウス メディカル ケア ホールディングス インコーポレーテッド Dialysis system
CN102600520B (en) * 2012-01-12 2014-12-10 华中科技大学 Hemodialyzer
CN202974602U (en) * 2012-12-03 2013-06-05 旭化成医疗株式会社 Medical loop inspection device

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