CN104548234A - Liquid loop - Google Patents
Liquid loop Download PDFInfo
- Publication number
- CN104548234A CN104548234A CN201410535023.2A CN201410535023A CN104548234A CN 104548234 A CN104548234 A CN 104548234A CN 201410535023 A CN201410535023 A CN 201410535023A CN 104548234 A CN104548234 A CN 104548234A
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- CN
- China
- Prior art keywords
- pipe
- maintaining part
- flow path
- plate
- fluid loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/38—Removing 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
Technical field
The present invention relates to a kind of fluid loop for liquid flows such as replenisher, dialysis solution, blood.
Background technology
The medical treatment devices such as apparatus for purifying blood (liquid handling device) are provided with for sanguimotor blood circuit, for supplementing the replenisher loop etc. of medicinal liquid to blood circuit.Replenisher loop possesses the pipe for liquid medicine flow, is provided with to the object of giving medicinal liquid, acts on corresponding flow path portion (heat portion etc.) in the stage casing in loop.This fluid loop (loop of the 1st prior art) utilizes has flexible pipe bending, is accommodated in the carton of conveying the mode of foldable integral to be put together.
In addition, the clamping part possessing the pipe possessing the heater for being heated in the portion of heating of fluid loop for the portion that heats by liquid heating and the liquid handling device of the fluid loop of many pipes that is connected with the portion of heating and be used for clamping fluid loop is installed.At this, when fluid loop is installed on liquid handling device, needs the heater portion of heating of fluid loop being properly positioned to liquid handling device, and the pipe of fluid loop is properly positioned to the holder of liquid handling device.Therefore, consider to have and arrange the portion that heats and pipe and utilize the fluid loop (loop of the 2nd prior art) (for example, referring to Japanese Unexamined Patent Publication 05-317418 publication) of the locking piece confinement tube be formed on deckle board the deckle board formed by hard resin (frame panel) is upper.
Summary of the invention
But, the loop as the 1st prior art be only entirety is put together (Japanese: Wrapping め) prior art fluid loop (loop of the 1st prior art) in, carry time fluid loop gather dismission, the shape of fluid loop is easy to out of shape.In addition, when folding fluid loop, usually can produce kinking (Japanese: キ Application Network) etc. in the position that pipe is bending, produce bad sometimes.
The present invention provides a kind of fluid loop to solve for the purpose of above problem, and this fluid loop shape when the mode of foldable integral to be put together is not easily out of shape and can not to produce by pipe bending caused bad.
The present invention is a kind of fluid loop, and it flows for liquid, and wherein, this fluid loop possesses: liquid flow path, and it comprises the pipe with flexibility, and pipe can be utilized to fold; Multiple stream maintaining part, liquid flow path is divided into multiple flow path portion and the plurality of flow path portion is remained constant shapes by it, and corresponding with described multiple flow path portion, and the plurality of stream maintaining part is superimposed when folding described liquid flow path; And location division, it is for fixing superimposed described multiple stream maintaining parts relative position each other.
In this fluid loop, due to each flow path portion utilizing stream maintaining part to keep liquid flow path, and location division is utilized to be fixed by stream maintaining part relative position each other, therefore, even if folding liquid flow path of putting together, the shape of fluid loop is also not easily out of shape, is stable.In addition, can suppress bad by the bending caused kinking of pipe etc., be conducive to the stability of quality.
Can be set to, multiple stream maintaining part has the little secondary maintaining part of the area of the main maintaining part of tabular and the main maintaining part of area ratio of a side region overlapping with main maintaining part, and secondary maintaining part is incorporated in the region of main maintaining part when overlapping with main maintaining part.In the structure shown here, secondary maintaining part is incorporated in the region of main maintaining part, is therefore conducive to miniaturization.
Can be set to such fluid loop: 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 secondary maintaining part be located.Can by master fitting portion be embedded into secondary side fitting portion, and reliably and the relative position fixed simply between main maintaining part and secondary maintaining part.
Such fluid loop can be set to: the protuberance that main maintaining part has plate main part and gives prominence to from the periphery of plate main part, under main maintaining part and the superimposed state of secondary maintaining part, had by the pipe that the flow path portion remaining on main maintaining part and the flow path portion remaining on secondary maintaining part couple together and give prominence to and the bending section bent from the periphery of plate main part, protuberance is given prominence to avoiding bending section.In the structure shown here, protuberance can interfere and prevent from stepping on the bending section of tube rolling at the periphery of plate main part and causing this bending section to damage this situation.That is, the bending section of protuberance protecting tube, is therefore conducive to improving quality.
And; the outstanding length of protuberance can be made identical with the outstanding length of bending section or larger than the outstanding length of this bending section; in the structure shown here, even if when longitudinal situation etc., also can utilize protuberance reliably protecting tube bending section and make it not be damaged.
Can be set to, main maintaining part is for the plate of heating to the liquid heating by liquid flow path, at least one in secondary maintaining part in described pipe, the pump line keeper that keeps of the winder be arranged on roller pump.Because main maintaining part can be also used as plate of heating, secondary maintaining part can be also used as pump line keeper, therefore, it is possible to suppression component number of packages, is conducive to miniaturization.
Can be set to, main maintaining part is for the plate of heating to the liquid heating by liquid flow path, and at least one in secondary maintaining part is measurement chamber's plate.Because main maintaining part can be also used as plate of heating, secondary maintaining part can be also used as measurement chamber's plate, therefore, it is possible to suppression component number of packages, is conducive to miniaturization.
Also can be set to, the one in secondary maintaining part in described pipe, the pump line keeper that keeps of the winder be arranged on roller pump, another one is measurement chamber's plate, is configured in measurement chamber's plate across the main maintaining part side contrary with pump line keeper.In the structure shown here, when folding fluid loop, to stress folded pump line keeper in the one side of main maintaining part, the mode stressing folded measurement chamber plate at another side folds, and is therefore conducive to miniaturization.
Can be set to, measurement chamber's plate arrange locating notch and is used as location division, main maintaining part arrange measurement chamber's fixed part and is used as location division, this measurement chamber's fixed part can be embedded into locating notch and be located by measurement chamber's plate.In the structure shown here, locating notch can be embedded into by measurement chamber's fixed part, and reliably measurement chamber's plate be fixed on main maintaining part.
Such fluid loop can be set to: at least one in multiple stream maintaining part is provided with the needle holder for fixing puncture needle.In the structure shown here, needle holder can be utilized stably to keep puncture needle.
In addition, fluid loop of the present invention is arranged on liquid handling device, circulates for liquid, and wherein, at least one in multiple stream maintaining part has the deckle board being equipped with pipe, and deckle board has: peristome, and it is formed on the arranging path of pipe; Locking piece, its upstream side of pipe in peristome and arbitrary place in downstream or upstream side and this two place, downstream are from the locking pipe in contrary side of deckle board; And opening extension, it extends towards the position relative with locking piece from peristome along the pipe engaging in locking piece.At this, the meaning of the contrary side of deckle board refers to the face side contrary with the side towards liquid handling device.
The loop of the 2nd described prior art is equipped with pipe in the side contrary with liquid handling device for deckle board.Deckle board is formed the peristome corresponding with clamping part, at the upstream side of clamping part and downstream, pipe is pressed into peristome, thus pipe is inserted in clamping part.But because deckle board is formed by hard resin, therefore there is following such problem, if that is, pipe is pressed into peristome, pipe produces kinking in the end of peristome.In addition, pipe is locking and located by locking piece, but interval between locking piece is larger, then the positioning precision of pipe is lower.Thus, even if when forming locking piece with avoiding peristome, also form locking piece in the mode be near peristome as far as possible.But confinement tube near peristome, can encourage the kinking of the pipe produced due to pipe is pressed into peristome.
In contrast, adopt fluid loop of the present invention, deckle board is formed with peristome, therefore, when fluid loop is installed on liquid handling device, pipe can be pressed into liquid handling device side from peristome.In addition, because the upstream side of the pipe in peristome and arbitrary place in downstream or upstream side and this two place, downstream are formed with the locking piece of the locking pipe in contrary side from deckle board, therefore, it is possible to improve the positioning precision of the pipe near peristome.And, owing to being formed with the opening extension extended along the pipe engaging in locking piece towards the position relative with locking piece from peristome, therefore, when pipe is pressed into liquid handling device side from peristome, pipe can be made to keep out of the way from opening extension to liquid handling device side.Thereby, it is possible to make pipe gently bend, therefore, it is possible to prevent pipe from producing kinking when fluid loop is installed on liquid handling device.
Also can be that opening extension extends to the position relative with locking piece from peristome along the pipe engaging in locking piece.Like this, extend to locking piece relative position from peristome along the pipe engaging in locking piece by opening extension, the pipe of engaged constraint on deckle board can be made suitably to keep out of the way to liquid handling device side.
Also can be that opening extension extends beyond the position of the position relative with locking piece from peristome along the pipe engaging in locking piece.Like this, extended beyond the position of the position relative with locking piece from peristome along the pipe engaging in locking piece by opening extension, the pipe of engaged constraint on deckle board can be made suitably to keep out of the way to liquid handling device side.
Also can be, deckle board be formed by hard resin.Like this, formed by hard resin by deckle board, more precisely can arrange pipe, therefore, it is possible to improve the installation of installing to liquid handling device.
Also can be that the width of opening extension is less than the width of peristome.Like this, by making the width of opening extension less than the width of peristome, can killer tube kinking and suppress the rigidity of deckle board to decline.
Also can be that locking piece is formed in upstream side and this two place, downstream of the pipe in peristome, be configured in can under the state that pipe is extended with linearity the position of this pipe locking.Like this, by locking piece being formed in upstream side and this two place, downstream of the pipe in peristome, and locking piece is configured in can under the state that pipe is extended with linearity the position of this pipe locking, the positioning precision of the pipe near peristome can be improved further.
Also can be, liquid handling device possesses: clamping part, and it is formed with the insertion groove inserted for pipe, can clamp the pipe that is inserted in insertion groove and stop the circulation of liquid; And press section, the upstream side of its pipe in clamping part and downstream pressing tube and be pressed in insertion groove, peristome is formed at the position corresponding with clamping part and press section when fluid loop is installed on liquid handling device.Like this, by forming peristome when fluid loop is installed on liquid handling device in the position that clamping part and press section configure, can easily fluid loop be located relative to liquid handling device.And, when utilizing press section that pipe is pressed into the insertion groove of clamping part from peristome, pipe can be made to keep out of the way from opening extension to liquid handling device side.Thereby, it is possible to prevent the pipe when fluid loop is installed on liquid handling device and pipe is inserted into the insertion groove of clamping part from producing kinking.
Also can be, fluid loop be arranged on apparatus for purifying blood, and liquid is any one or both in the dialysis solution that adopts of dialysis treatment and replenisher.By being arranged on apparatus for purifying blood by such fluid loop, action effect similar to the above can be obtained.
Adopt above the present invention, when entirety being put together in a folded fashion, that can suppress by pipe is bending caused bad.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the apparatus for purifying blood in the replenisher loop can installing embodiments of the present invention.
Fig. 2 represents the axonometric chart 3 pipes utilizing pump line keeper to keep being wound on respectively the state on roller pump.
Fig. 3 is the figure that the replenisher loop observing embodiment from face side obtains.
Fig. 4 is the figure that the replenisher loop observing embodiment from rear side obtains.
Fig. 5 represents the state that the replenisher loop of embodiment is folding, is observe from rear side the figure obtained.
Fig. 6 is the sectional view in the replenisher loop of embodiment, and Fig. 6 (a) is the sectional view along VI-VI line of Fig. 5, and Fig. 6 (b) is the sectional view along b-b line of the figure of Fig. 6 (a).
Fig. 7 represents the state that the replenisher loop of embodiment is folding, is observe from face side the figure obtained.
Fig. 8 is the sectional view along VIII-VIII line of Fig. 7.
Fig. 9 is the figure obtained from the side observation clamping part of apparatus for purifying blood.
Figure 10 is the partial enlarged drawing that the fluid loop observing embodiment from rear side obtains.
Figure 11 is the partial enlarged drawing representing state fluid loop being installed on apparatus for purifying blood.
Figure 12 is the figure representing the state not utilizing clamping part grip tube.
Figure 13 is the figure representing the state utilizing clamping part grip tube.
Figure 14 is the partial sectional view representing the state that the cap of apparatus for purifying blood is opened.
Figure 15 is the partial sectional view representing the state that the cap of apparatus for purifying blood is closed.
Figure 16 is the partial sectional view of the state that cap when representing that employing does not form the fluid loop of opening extension, apparatus for purifying blood is closed.
description of reference numerals
1, fluid loop; 2, manage; 3, liquid flow path; 4A, use flow path portion (flow path portion) of heating; 4B, pressurized delivered flow path portion; 4C, metering flow path portion; 5, to heat plate (main maintaining part); 5a, top (periphery of plate main part); 5b, following (periphery of plate main part); 6, pump line keeper (secondary maintaining part); 8, measurement chamber's plate (secondary maintaining part); 9A, 9B, location division; 11, puncture needle; The bending section of 2a, pipe; 51, plate main part; 52, top protuberance; 53, lower projections; 55, frame portion (deckle board); 55a, rectangular recess (master fitting portion); 55b, measurement chamber's fixed part (master fitting portion); 56c, general conventional hook (locking piece); 9, peristome; 9a, opening extension; 61b, rectangular lip (secondary side fitting portion); 62, needle holder; 82c, locating notch (secondary side fitting portion); 117, clamping part; 118, press section; 100, apparatus for purifying blood; The outstanding length of Ha, top protuberance; The outstanding length of the bending section of the upside of ha, pipe; The outstanding length of Hb, lower projections; The outstanding length of the bending section of the downside of hb, pipe.
Detailed description of the invention
Below, the preferably embodiment that present invention will be described in detail with reference to the accompanying.In addition, " liquid " that uses in the present embodiment is the liquid used under medical application, such as, any one or both or blood etc. in the dialysis solution that can adopt for dialysis treatment and replenisher.In addition, in whole figure, identical Reference numeral is marked to identical or suitable part.
apparatus for purifying blood
As shown in Figure 1, the fluid loop 1 of present embodiment is the loop for replenisher, dialysis solution flowing, and it is arranged on the apparatus for purifying blood 100 as one of liquid handling device and is used.Apparatus for purifying blood 100 possess apparatus main body 101, for supporting arrangement main body 101 chassis portion 102, be configured in guidance panel 103 above apparatus main body 101 and erect and be arranged at 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 blood circuit 120 in the assigned position of front portion 110.Front portion 110 is provided with the various holders for carrying out opening and closing to the pipe becoming blood circuit 120 stream, the roller pump for pressurized delivered liquid, the pressure transducer for test fluid pressure and for keeping the filter-holder etc. of filtering film component.
Lateral parts 111 is provided with can the door 112 of switch, is formed with the installation portion 113 for installing fluid loop 1 in the part facing with door 112.In addition, on the top of lateral parts 111, namely lateral parts 111 from door 112 expose partial configuration have 3 roller pumps 114.With the pipe 2 of the amount winding fluid loop 1 about half cycle on each roller pump 114, the roller pump 114 of rotation is smoothed out with the fingers the pipe 2 with flexibility and is carried liquid.In addition, lateral parts 111 is provided with heater 116, this heater 116 is for heating to the liquid of flowing in fluid loop 1.
fluid loop
As shown in Figure 3 and Figure 4, fluid loop 1 possess manufactured by polrvinyl chloride etc. there is flexible pipe 2, and possess pipe 2 can be utilized to carry out the liquid flow path 3 folded.Liquid flow path 3 is divided into 3 (multiple) flow path portion according to its function.The flow path portion of present embodiment possesses heats with flow path portion 4A for what heat to the liquid passed through, is arranged at roller pump 114 and the pressurized delivered flow path portion 4B of pressurized delivered liquid and the metering flow path portion 4C for metering liquid.
Heat and remain constant shapes with flow path portion 4A plate (stream maintaining part) 5 of being heated, pressurized delivered flow path portion 4B is remained constant shapes by pump line keeper (stream maintaining part) 6, further, the metering flow path portion 4C chamber panel (stream maintaining part) 8 that is measured remains constant shapes.In addition, plate 5 of heating is configured in the central authorities of fluid loop, and pump line keeper 6 and measurement chamber's plate 8 are configured in both sides across plate 5 ground of heating.Plate 5 of heating is examples for main maintaining part, and pump line keeper 6 and measurement chamber's plate 8 are examples of secondary maintaining part.
Heat and to connect with the pipe 2 that flow path portion 4A, pressurized delivered flow path portion 4B and each freedom of metering flow path portion 4C are passed through for liquid, as its result, plate 5 of heating, pump line keeper 6 and measurement chamber's plate 8 also physically connect mutually by pipe 2.Because pipe 2 has flexibility, therefore, heat plate 5, pump line keeper 6 and measurement chamber's plate 8 can utilize pipe 2 folding and be superimposed together (with reference to Fig. 5 and Fig. 7).
When superimposed, stress folded measurement chamber unit in the one side of the plate 5 of heating of central authorities, stress folded pump line keeper 6 at the another side of plate 5 of heating.Superimposed mutually plate 5 of heating, pump line keeper 6 and measurement chamber's plate 8 are fixed as relative position each other by location division 9A, 9B and can not stagger.In addition, in the following description, the one side side of plate 5 of heating is called front, its another side side is called the back side.In addition, pump line keeper 6 and measurement chamber's plate 8 are also same, under the state before superimposed with plate 5 of heating, their face towards the direction identical with the direction in plate 5 front of heating is called front, the face of opposition side is called the back side.
to heat plate
As shown in Figure 3 and Figure 4, the plate 5 of heating of tabular possesses plate main part 51 and from the outstanding protuberance 52,53 of the periphery of plate main part 51.Further, plate main part 51 possess lengthwise the substantially rectangular portion that heats 54 and surround the portion 54 that heats periphery keep the frame portion 55 in this portion 54 that heats.The portion 54 that heats is formed with the stream of liquid in inside, utilize heater 116 to heat, the portion 54 that heats utilizes such as PP blow molding.In addition, frame portion 55 utilizes such as ABS injection moulding.
The profile in frame portion 55 is substantially rectangular, pump line keeper 6 is adjacent to configure with (top) minor face 5a in pair of short edges 5a up and down, the 5b in frame portion 55, and measurement chamber's plate 8 is adjacent to configure with another (below) the minor face 5b in pair of short edges 5a up and down, the 5b in frame portion 55.
The central portion 7 being formed in central authorities of frame portion 55 is corresponding with the profile in the portion of heating 54, heat portion 54 with the face side in frame portion 55, namely heat plate 5 face side blocking central portion 7 mode arrange.Two places of two places at the top edge along central portion 7 and the lower limb along central portion 7 are provided with the claw (omitting diagram) in the portion 54 that keeps heating for hook.
In the portion of heating 54, be used as a part of heating with flow path portion 4A with the left and right two row snakelike stream 54a be formed with for expanding the contact surface between the portion of heating 54 and heater 116, the entrance and exits in the snakelike stream 54a of two row are connected to pipe 2.The card hanging hole (omitting diagram) of the claw that can be hooked in frame portion 55 is provided with near the corner (bight) in the portion of heating 54.The portion 54 that heats easily is arranged in frame portion 55 in the mode blocking central portion 7 by multiple card hanging hole is hooked in the claw in frame portion 55.In addition, the portion of heating 54 can easily be dismantled by making the portion of heating 54 depart from card hanging hole.
In addition, frame portion 55 is respectively equipped with the part from periphery, namely above outstanding four (multiple) protuberances (hereinafter referred to as " top protuberance ") 52 of minor face (hereinafter referred to as " top ") 5a and minor face (hereinafter referred to as " below ") 5b from below two (multiple) protuberances (hereinafter referred to as " lower projections ") 53 of giving prominence to.In addition, be configured with the pipe 2 be connected with the snakelike stream 54a in the portion of heating 54 in the face side in frame portion 55, be provided with multiple hook 56a, the 56b for holding tube 2 in the front in frame portion 55.
Further, multiple hook 56a, 56b are divided into protuberance avoidance hook 56a and general conventional hook 56b, 56c.Protuberance avoidance hook 56a is arranged with the root avoiding top protuberance 52, the mode that staggers to side, and general conventional hook 56b, 56c are correspondingly suitably arranged according to the configuration of pipe 2.
At this, describe protuberance in detail and avoid the effect using hook 56a.As shown in figure 5 and figure 7, when being got up by fluid loop 1 folding storage, there is pump line keeper 6 in the back side overlap of plate 5 of heating.Thus, the pipe 2 connecting heat plate 5 and pump line keeper 6 bends in the mode striding across the top 5a in frame portion 55 from face side towards rear side.In this case, top protuberance 52 will inevitably be avoided by top, i.e. the bending section 2a of the pipe 2 of protuberance avoidance hook 56a maintenance.
That is, in the present embodiment, because top protuberance 52 is given prominence to avoiding the bending section 2a of pipe 2, therefore, when by top protuberance 52 facing downward longitudinal fluid loop 1, top protuberance 52 is interferenceed with floor and produces gap, therefore, it is possible to prevent from stepping on the bending section 2a of tube rolling 2 by the periphery of plate main part 51 (frame portion 55) and causing bending section 2a to damage.That is, due to the bending section of top protuberance 52 protecting tube 2, be therefore conducive to improving quality.
In addition, the mode do not staggered with the relative position between them due to heat plate 5 and pump line keeper 6 is fixed by location division 9A, 9B, therefore, the outstanding length ha of the bending section 2a that the top, frame portion 55 during the autofolding fluid loop 1 of pipe 2 is given prominence to is defined as constant.And the length Ha of top protuberance 52 is identical with the outstanding length ha of the bending section 2a of pipe 2 or be greater than the outstanding length ha of this bending section 2a.Its result, even if when by the situation etc. of this top protuberance 52 longitudinal fluid loop 1 facing downward, top protuberance 52 is also interferenceed with floor and produces gap, therefore, the periphery (frame portion 55) of preventing board main part 51 can step on the bending section 2a of tube rolling 2 and cause bending section 2a to damage, being conducive to improving quality.
In addition, due to measurement chamber's plate 8 overlapping with the face side of plate 5 of heating (with reference to Fig. 7), and measurement chamber's plate 8 is configured with pipe 2 in face side, therefore, the bending section 2b connecting the pipe 2 of measurement chamber's plate 8 and plate 5 of heating can not stride across the following 5b of plate 5 of heating.But, bending section 2b is outstanding laterally from the periphery (following 5b) of plate 5 of heating in fact and expose, and this outstanding length hb is identical with the outstanding length Hb of the lower projections 53 be formed on following 5b or less than the outstanding length Hb of lower projections 53.Its result, even if when by the situation etc. of this lower projections 53 longitudinal fluid loop 1 facing downward, lower projections 53 is also interferenceed with floor and produces gap, therefore, the periphery (frame portion 55) of preventing board main part 51 can step on the bending section 2b of tube rolling 2 and cause bending section 2b to damage, being conducive to improving quality.
pump line keeper
Above plate 5 of heating, be at least extruded with 3 pipes 2 bending to arch and two pipes 2 be connected with puncture needle 11, the 3 bending pipes 2 in these pipes are equivalent to the pressurized delivered flow path portion 4B in liquid flow path 3.The sweep forming each pipe 2 of pressurized delivered flow path portion 4B is the winder 21 (with reference to Fig. 2) be wound on when being installed on apparatus for purifying blood 100 on the roller 114a of roller pump 114.Each pipe 2 of pressurized delivered flow path portion 4B is kept with constant shapes at equal intervals by pump line keeper 6.
Pump line keeper 6 possesses grows crosswise and the support plate 61 of tabular and the needle holder 62 for fixing two root puncture pins 11.The engaging portion 61a of the winder 21 clipping holding tube 2 is provided with in the front of support plate 61.Engaging portion 61a becomes one group for a pair to keep a winder 21, is provided with three groups of engaging portion 61a altogether separately accordingly with 3 winders 21.
In addition, needle holder 62 is located at the end of support plate 61.Needle holder 62 is the lengthwise box like with the length accommodating this degree of puncture needle 11, and the root of its clamping puncture needle 11 divides and keeps puncture needle 11 at internal stability.
measurement chamber's plate
In the below of heating plate 5, be connected with measurement chamber's plate 8 by pipe 2.Measurement chamber's plate 8 is by utilizing PP blow molding and by measurement chamber's part 81 with plate portion 82 is integrally formed forms, improve rigidity.
The head 82b that plate portion 82 possesses stem portion 82a and gives prominence to from stem portion 82a, stem portion 82a is formed with measurement chamber's part 81 at three places, and both stem portion 82a and head 82b are formed the stream of liquid.The entrance and exit of stream is connected with pipe 2 respectively.Measurement chamber's part 81 and the stream being formed in plate portion 82 are metering flow path portion 4C, and the metering flow path portion 4C chamber panel 8 that is measured remains constant shapes.
location division
As shown in Fig. 5 ~ Fig. 8, plate 5 of heating, pump line keeper 6 and measurement chamber's plate 8 utilize the pipe 2 with flexibility to fold.Further, heat plate 5 and pump line keeper 6 can not be staggered by the relative position that location division (hereinafter referred to as " the 1st location division ") 9A is fixed as each other.In addition, heat plate 5 and measurement chamber's plate 8 can not be staggered by location division 9B (hereinafter referred to as " the 2nd the location division ") relative position be fixed as each other.
Rectangular lip (the secondary side fitting portion) 61b of convex is provided with at two places in the front of the support plate 61 of pump line keeper 6.On the other hand, in the back side in the frame portion 55 of plate 5 of heating, near the 5a of top and be rectangular recess (master fitting portion) 55a being formed with concavity at two places in the region of pump line keeper 6 overlap.The cross section of rectangular recess 55a is rectangular ring, embeds fixing inside it for rectangular lip 61b.
That is, the 1st location division 9A (with reference to Fig. 5 and Fig. 6) possesses the rectangular lip 61b being located at pump line the keeper 6 and rectangular recess 55a being located at plate 5 of heating.In addition, in the present embodiment, embed the mode be positioned inside rectangular recess 55a exemplified with rectangular lip 61b, but also can be contrary.
In addition, hole (locating notch) 82c of location is provided with in the top central authorities of the head 82b of measurement chamber's plate 8 (with reference to Fig. 7 and Fig. 8).Locating notch 82c is secondary side fitting portion.On the other hand, substantial middle in the front in the frame portion 55 of plate 5 of heating, 5b below is provided with the measurement chamber fixed part 55b outstanding in arch.Measurement chamber fixed part 55b embeds locating notch 82c and fixes measurement chamber's plate 8.
That is, the 2nd location division 9B possesses locating notch (the secondary side fitting portion) 82c being located at measurement chamber's plate 8 and measurement chamber's fixed part (master fitting portion) 55b being located at plate 5 of heating.At through locating notch 82c, the fixture structural unit 10 being fixed with the anticreep be made up of such as resinous pin, rope etc. is inserted in the inner side of outstanding measurement chamber fixed part 55b.
When carrying described fluid loop 1, plate 5 of heating, pump line keeper 6 and measurement chamber's plate 8 are folded into superimposed mutually, are accommodated in the transport boxs such as carton after they being housed in the bag of regulation.Multiple fluid loop 1 is housed in transport box in an overlapping manner, and is cased by the fluid loop 1 of regulation number, then seals conveying.
In the fluid loop 1 of present embodiment, each flow path portion 4A of liquid flow path 3,4B, 4C remain on plate 5 of heating, pump line keeper 6 and measurement chamber's plate 8 respectively.Further, because plate 5 of heating, pump line keeper 6 and measurement chamber's plate 8 relative position are each other fixed by location division 9A, 9B, therefore, even if folding liquid flow path 3 of putting together, the shape of fluid loop 1 is also not easily out of shape, is stable.
In addition, because plate 5 of heating, pump line keeper 6 and measurement chamber's plate 8 relative position are each other fixed, therefore, it is possible to suppress, by connecting each flow path portion 4A, 4B, 4C the bending kinking caused etc. of the pipe 2 of bending is bad, to be conducive to the stability of quality.
In addition, in fluid loop 1, be greater than the area of the side overlapping with plate 5 of heating of pump line keeper (secondary maintaining part) 6 and measurement chamber's plate (secondary maintaining part) 8 by the area in the region of the outward flange of plate of heating (main maintaining part) 5 encirclement.Further, pump line keeper 6 is housed in and heats in the region of plate 5 when overlapping with the back side of plate 5 of heating, and measurement chamber's plate 8 is housed in and heats in the region of plate 5 when overlapping with the front of plate 5 of heating.Thus, be conducive to making fluid loop 1 miniaturization.
In addition, in the 1st location division 9A, can by rectangular lip 61b be embedded rectangular recess 55a, reliably and the relative position of fixedly heating between plate 5 and pump line keeper 6 simply.In addition, in the 2nd location division 9B, can by measurement chamber fixed part 55b be embedded locating notch 82c, reliably and the relative position of fixedly heating between plate 5 and measurement chamber's plate 8 simply.
In addition, in the present embodiment, utilize and flow path portion 4A is kept to the plate 5 of heating that the liquid by liquid flow path 3 is heated, utilize the pump line keeper 6 to the winder 21 be arranged on roller pump 114 keeps to keep flow path portion 4B, utilize measurement chamber's plate 8 to keep flow path portion 4C.That is, had concurrently the function and suppression component number of packages that keep each flow path portion 4A, 4B, 4C such by make to heat plate 5, pump line keeper 6 and measurement chamber's plate 8, be conducive to miniaturization.
In addition, because measurement chamber's plate 8 is configured in across plate 5 of the heating side contrary with pump line keeper 6, therefore, when folding fluid loop 1, with the face side overlap pump line keeper 6 at plate 5 of heating, fold in the mode of the rear side overlapping measurement chamber plate 8 of plate 5 of heating, therefore, be conducive to miniaturization.
In addition, pump line keeper 6 is provided with the needle holder 62 for fixing puncture needle 11, needle holder 62 can be utilized stably to keep puncture needle 11.
Then, the details of the installation portion 113 of apparatus for purifying blood 100 and the relation between installation portion 113 and fluid loop 1 are described.
The heater 116 installation portion 113 is provided with the lobe 115 for being located by fluid loop 1, being used for heating to the liquid of circulation in fluid loop 1, being used for clamping part 117 that the pipe 2 of fluid loop 1 is clamped and being used for the fixed bar 119 that is fixed on by fluid loop 1 on installation portion 113.
Heater 116 is formed as the rectangular shape of lengthwise, is configured in the substantially central portion of installation portion 113.The structure of heater 116 is not particularly limited, such as, can be set to the structure of generating heat by being energized.
Lobe 115 is configured in the bottom of heater 116, gives prominence to from installation portion 113.
Fixed bar 119 is configured in the top of heater 116, gives prominence to, be formed with the engaging portion 119a of outstanding hook-shaped (key shape) in its top ends downwards from installation portion 113.In addition, fixed bar 119 is arranged on this installation portion 113 with engaging portion 119a relative to the mode that installation portion 113 moves up and down, and engaging portion 119a is subject to the effect of the elastic components such as spring (omitting diagram) and moves downwards.
Clamping part 117 is located at three places around heater 116.Specifically describe, 2 places up and down on the right side of heater 116 are provided with clamping part 117, and the place on the left of heater 116 is provided with clamping part 117.In addition, the clamping part 117 being located at this three place is all set to identical structure.
As shown in Fig. 1 and Fig. 9, clamping part 117 is outstanding to the side of apparatus for purifying blood 100 from installation portion 113.Clamping part 117 possesses cross section is hemispheric first fixed part 117a, the cross section that is oppositely disposed with the first fixed part 117a is semicircular arc the second fixed part 117b and the cross section be configured in the second fixed part 117b inner circumferential space is hemispheric movable part 117c.
First fixed part 117a and the second fixed part 117b is fixed on installation portion 113, is formed with the insertion groove 117d inserted for pipe 2 between the first fixed part 117a and the second fixed part 117b.Insertion groove 117d extends with linearity on the above-below direction of apparatus for purifying blood 100.In addition, the first fixed part 117a is formed to the outstanding protuberance 117e in the second fixed part 117b side, utilizes protuberance 117e that insertion groove 117d local is narrowed.Movable part 117c can with from and the inner circumferential space of semicircular arc the second fixed part 117b in the first fixed part 117a cross section that the be oppositely disposed mode that enters into insertion groove 117d move to the first fixed part 117a side and move to the second fixed part 117b side in the mode in the inner circumferential space of keeping out of the way the second fixed part 117b from insertion groove 117d.When movable part 117c moves to the first fixed part 117a side and enters into insertion groove 117d, narrower intervals between first fixed part 117a (protuberance 117e) and movable part 117c, therefore, clamping is inserted into the pipe 2 (with reference to Figure 13) in insertion groove 117d.On the other hand, when movable part 117c moves to the second fixed part 117b side and keeps out of the way the inner circumferential space of the second fixed part 117b, interval between first fixed part 117a (protuberance 117e) and movable part 117c is widened, therefore, the clamping (with reference to Figure 12) to the pipe 2 be inserted in insertion groove 117d is removed.Like this, clamping part 117 can clamp the pipe 2 that is inserted in insertion groove 117d and stop the circulation of liquid.
Door 112 is provided with press section 118, and at closedown door 112, pipe 2 is pressed in the insertion groove 117d of clamping part 117 by this press section 118.Press section 118 is the positions of giving prominence to tabular from door 112.For a clamping part 117, a pair press section 118 is set.This pair press section 118 is configured in be in for clamping part 117 when door 112 is closed and is inserted into the upstream side of pipe 2 in insertion groove 117d and the position in downstream.Therefore, by closing door 112, a pair upstream side that be in pipe 2 of press section 118 in clamping part 117 and the position pressing tube 2 in downstream can be utilized.
As described above, fluid loop 1 (with reference to Fig. 1) correspondingly possesses with its function heat use flow path portion 4A, pressurized delivered flow path portion 4B and metering flow path portion 4C.Heat and to be coupled together by pipe 2 with flow path portion 4A, pressurized delivered flow path portion 4B and metering flow path portion 4C.Heat and be configured in the central authorities of fluid loop 1 with flow path portion 4A, pressurized delivered flow path portion 4B and metering flow path portion 4C across heat with flow path portion 4A be configured in the two ends of fluid loop 1.
As is illustrated by figs. 11 and 12, heat and to possess with flow path portion 4A: heat portion 54, and it is formed as the rectangular shape of lengthwise; Pipe 2, it is connected with the portion of heating 54 and liquid is circulated at pipe 2 and heating between portion 54; And rectangular box-like frame portion (deckle board) 55, it keeps heating portion 54 and pipe 2.
Frame portion 55 surrounds and keeps this portion 54 that heats with heating periphery, portion 54, and is configured with pipe 2 in its face side.Frame portion 55 is formed as the rectangular box-like of lengthwise by hard resin, is formed with the central portion 7 configured for the portion 54 that heats at the central part in frame portion 55.Pressurized delivered flow path portion 4B is configured in (top) minor face 5a side in pair of short edges 5a up and down, the 5b in frame portion 55 by pipe 2, metering flow path portion 4C is configured in the minor face 5b side, another (below) in pair of short edges 5a up and down, the 5b in frame portion 55 by pipe 2.
Central portion 7 is formed in the position corresponding with heater 116.At this, the position corresponding with heater 116 refers to, when fluid loop 1 is installed on the installation portion 113 of apparatus main body 101, at installation portion 113, heat with the upper position overlapping with heater 116 of flow path portion 4A and the superimposed direction (during side-looking) of door 112.Central portion 7 is corresponding with the profile in the portion of heating 54, and the portion 54 that heats is set to the face side blocking central portion 7 in frame portion 55.Along central portion 7 top edge two places and be provided with the claw (omit diagram) of the card hanging hole for being hooked in the portion of heating 54 along two places of central portion 7 lower limb.Therefore, it is possible to the card hanging hole by the claw in frame portion 55 being hooked in the portion of heating 54, the portion 54 that will heat is arranged on frame portion 55, by the card hanging hole making the claw in frame portion 55 depart from the portion 54 that heats, easily can pull down the portion of heating 54 from frame portion 55.
As shown in Figure 11 ~ Figure 13, frame portion 55 is formed with peristome 9, this peristome 9 is formed as the rectangular shape of lengthwise.Peristome 9 is formed in the position corresponding with clamping part 117 and press section 118.At this, the position corresponding with clamping part 117 and press section 118 refers to, when fluid loop 1 is installed on the installation portion 113 of apparatus main body 101 and closes door 112, at installation portion 113, heat with the upper position overlapping with clamping part 117 and press section 118 of flow path portion 4A and the superimposed direction (during side-looking) of door 112.Specifically describe, two places be up and down positioned on the right side of central portion 7 in frame portion 55 are formed with peristome 9, and the place be positioned on the left of central portion 7 in frame portion 55 is formed with peristome 9.The through frame portion 55 of peristome 9.Therefore, by closing door 112, press section 118 can be utilized to be pressed into the insertion groove 117d of clamping part 117 from peristome 9 by the pipe 2 being disposed in peristome 9.
Be provided with in the front in frame portion 55 for locking pipe 2 and multiple general conventional hook 56b, 56c of confinement tube 2.The front in frame portion 55 refers to, the face of the side contrary with the side towards installation portion 113 when frame portion 55 being installed on installation portion 113.That is, general conventional hook 56b, 56c are from the locking pipe 2 in the contrary side for apparatus for purifying blood 100 in frame portion 55.Further, general conventional hook 56b, 56c to be in peristome 9 in the configuration path of pipe 2, to be in other words the locking pipes 2 of mode forming peristome 9 in the arranging path of pipe 2.
At this, owing to being formed with peristome 9 in the arranging path of pipe 2, therefore, near peristome 9, the interval between general conventional hook 56c becomes large thus the positioning precision step-down of pipe 2.Therefore, a part of multiple general conventional hook 56b, 56c is formed in the vicinity of each peristome 9 and is upstream side and this two place, downstream of the pipe 2 in each peristome 9.A pair that is formed near above-mentioned each peristome 9 general conventional hook 56c is specially called locking piece 56c.Locking piece 56c is configured in such position, that is, can the position of locking pipe 2 under the state extended with linearity in peristome 9 by pipe 2.In addition, locking piece 56c not must be formed in upstream side and this two place, downstream of the pipe 2 in peristome 9, also only can be formed in the arbitrary place in the upstream side of the pipe 2 in peristome 9 or downstream.
And, frame portion 55 is formed with along the pipe 2 locking by a pair locking piece 56c the opening extension 9a extended towards the position relative with locking piece 56c from peristome 9.The position relative with locking piece 56c refers to, at installation portion 113, heats with the upper position overlapping with locking piece 56c of flow path portion 4A and the superimposed direction (during side-looking) of door 112.
Opening extension 9a extends beyond the position of the position relative with locking piece 56c.But opening extension 9a not must extend beyond the position of the position relative with locking piece 56c, such as, both can only extend to the position relative with locking piece 56c, also only can extend to the nearside of the position relative with locking piece 56c.
The left and right directions width of opening extension 9a is greater than the diameter of pipe 2.At this, left and right directions width refers to, the size on the direction orthogonal with the bearing of trend of the pipe 2 by peristome 9 and be the left and right directions size in Figure 10.In addition, the left and right directions width of opening extension 9a is less than the left and right directions width of peristome 9.And the locking piece 56c being formed in the upstream side of the pipe 2 in peristome 9 is formed on the contrary with locking piece 56c left and right for opening extension 9a in the downstream being formed in the pipe 2 in peristome 9.That is, in fig. 12, the locking piece 56c being formed in the upstream side of the pipe 2 in peristome 9 is connected with frame portion 55 on the left of opening extension 9a, and extend towards right side in the mode striding across pipe 2, the locking piece 56c being formed in the downstream of the pipe 2 in peristome 9 is connected with frame portion 55 on the right side of opening extension 9a, and extends towards left side in the mode striding across pipe 2.
Then, state when to be arranged on by fluid loop 1 on apparatus for purifying blood 100 and to close door 112 is described.
First, fluid loop 1 is arranged on the installation portion 113 of apparatus for purifying blood 100.In the process of installing fluid loop 1, utilize lobe 115 to be located the bottom in frame portion 55, utilize the upper end in the locking frame portion 55 of the engaging portion 119a of fixed bar 119, thus installation portion 113 is fixed in frame portion 55.Thus, the portion 54 that heats is configured in the position corresponding with heater 116, and peristome 9 is configured in the position corresponding with clamping part 117 and press section 118, is configured in the position corresponding with the insertion groove 117d of clamping part 117 by the pipe 2 of peristome 9.Now, as shown in figure 14, pipe 2 is configured in the side contrary with clamping part 117 for frame portion 55.
Then, door 112 is closed.So, as shown in figure 15, utilize a pair press section 118 that the pipe 2 by peristome 9 is pressed to apparatus for purifying blood 100 side from peristome 9.Now, can be kept out of the way, therefore, it is possible to gently bend from opening extension 9a to apparatus for purifying blood 100 side by the pipe 2 that a pair press section 118 is pressed in peristome 9.
In contrast, when not forming opening extension 9a, as shown in figure 16, the distance between a pair press section 118 and the end of peristome 9 shortens.Therefore, if utilize a pair press section 118 that the pipe 2 by peristome 9 is pressed to apparatus for purifying blood 100 side from peristome 9, then pipe 2 bends sharp at the edge part of peristome 9, and therefore, pipe 2 may produce kinking at the edge part of peristome 9.
Like this, adopt the fluid loop 1 of present embodiment, owing to being formed with peristome 9 in frame portion 55, therefore, when fluid loop 1 is installed on apparatus for purifying blood 100, pipe 2 can be pressed to apparatus for purifying blood 100 side from peristome 9.In addition, peristome 9 is formed with when fluid loop 1 is installed on apparatus for purifying blood 100 in the position being configured with clamping part 117 and press section 118, therefore, it is possible to easily located relative to apparatus for purifying blood 100 by fluid loop 1.In addition, because the upstream side of the pipe 2 in peristome 9 and this two place, downstream are formed for the locking piece 56c from the locking pipe 2 in the contrary side in frame portion 55, therefore, it is possible to improve the positioning precision of the pipe near peristome 9.
And, owing to being formed with the opening extension 9a extended along the pipe 2 that engaged 56c is locking towards the position relative with locking piece 56c from peristome 9, therefore, when pipe 2 to be pressed into the insertion groove 117d of the clamping part 117 being configured in apparatus for purifying blood 100 side from peristome 9, pipe 2 can be made to keep out of the way from opening extension 9a to apparatus for purifying blood 100 side.Thereby, it is possible to make pipe 2 gently bend, therefore, it is possible to prevent the pipe 2 when fluid loop 1 is installed on apparatus for purifying blood 100 from producing kinking.
In addition, opening extension 9a extends to the position relative with locking piece 56c from peristome 9 along the pipe 2 that engaged 56c is locking, even extend beyond the position of the position relative with locking piece 56c, therefore, it is possible to make the pipe 2 of engaged 56c constraint in frame portion 55 suitably keep out of the way to apparatus for purifying blood 100 side.
In addition, the upstream side of the pipe 2 in peristome 9 and this two place, downstream form locking piece 56c, and the position of locking pipe 2, can improve the positioning precision of the pipe 2 near peristome 9 further under locking piece 56c being configured in the state that can extend with linearity at pipe 2.
In addition, by forming frame portion 55 by hard resin, pipe 2 can more precisely be arranged, therefore, it is possible to improve the installation of installing to apparatus for purifying blood 100.
In addition, by making the width of opening extension 9a less than the width of peristome 9, can killer tube 2 kinking and suppress the rigidity in frame portion 55 to reduce.
Above, preferably embodiment of the present invention is illustrated, but the present invention is not limited to above-mentioned embodiment.Such as, in the above-described embodiment, an example as the liquid handling device installing fluid loop lists apparatus for purifying blood, but liquid handling device is not limited to apparatus for purifying blood.
Claims (18)
1. a fluid loop, it flows for liquid, wherein,
This fluid loop possesses: liquid flow path, and it comprises the pipe with flexibility, and described pipe can be utilized to fold;
Multiple stream maintaining part, described liquid flow path is divided into multiple flow path portion and the plurality of flow path portion is remained constant shapes by it, and corresponding with described multiple flow path portion, and the plurality of stream maintaining part is superimposed when folding described liquid flow path; And
Location division, it is for fixing superimposed described multiple stream maintaining parts relative position each other.
2. fluid loop according to claim 1, wherein,
Described multiple stream maintaining part has the little secondary maintaining part of the area of main maintaining part described in the main maintaining part of tabular and the area ratio of a side region overlapping with described main maintaining part,
Described secondary maintaining part is incorporated in the region of described main maintaining part when overlapping with described main maintaining part.
3. fluid loop according to claim 2, wherein,
Described location division has:
Secondary side fitting portion, it is located at described secondary maintaining part; And
Master fitting portion, it is located at described main maintaining part, can be embedded into described secondary side fitting portion and described secondary maintaining part be located.
4. fluid loop according to claim 2, wherein,
The protuberance that described main maintaining part has plate main part and gives prominence to from the periphery of described plate main part,
Under described main maintaining part and the superimposed state of described secondary maintaining part, the described pipe that the described flow path portion remaining on described main maintaining part and the described flow path portion remaining on described secondary maintaining part couple together is had and gives prominence to and the bending section bent from the periphery of described plate main part
Described protuberance is given prominence to avoiding described bending section.
5. fluid loop according to claim 4, wherein,
The outstanding length of described protuberance is identical with the outstanding length of described bending section or larger than the outstanding length of described bending section.
6. fluid loop according to claim 2, wherein,
Described main maintaining part is for the plate of heating to the liquid heating by described liquid flow path, at least one in described secondary maintaining part in described pipe, the pump line keeper that keeps of the winder be arranged on roller pump.
7. fluid loop according to claim 2, wherein,
Described main maintaining part is for the plate of heating to the liquid heating by described liquid flow path, and at least one in described secondary maintaining part is measurement chamber's plate.
8. fluid loop according to claim 2, wherein,
One in described secondary maintaining part in described pipe, the pump line keeper that keeps of the winder be arranged on roller pump, another one is measurement chamber's plate, and described measurement chamber plate is configured in across the described main maintaining part side contrary with described pump line keeper.
9. fluid loop according to claim 7, wherein,
Described measurement chamber plate is provided with locating notch and is used as described location division, described main maintaining part is provided with measurement chamber's fixed part and is used as described location division, this measurement chamber's fixed part can be embedded into described locating notch and be located by described measurement chamber plate.
10. fluid loop according to claim 1, wherein,
At least one in described multiple stream maintaining part is provided with the needle holder for fixing puncture needle.
11. fluid loops according to claim 1, wherein,
Described fluid loop is arranged on liquid handling device, circulates for liquid,
At least one in described multiple stream maintaining part has the deckle board being equipped with described pipe,
Described deckle board has:
Peristome, it is formed on the arranging path of described pipe;
Locking piece, its upstream side of described pipe in described peristome and arbitrary place in downstream or upstream side and this two place, downstream are from the locking described pipe in the contrary side of described deckle board; And
Opening extension, it extends towards the position relative with described locking piece from described peristome along the described pipe engaging in described locking piece.
12. fluid loops according to claim 11, wherein,
Described opening extension extends to the position relative with described locking piece from described peristome along the described pipe engaging in described locking piece.
13. fluid loops according to claim 11, wherein,
Described opening extension extends beyond the position of the position relative with described locking piece from described peristome along the described pipe engaging in described locking piece.
14. fluid loops according to claim 11, wherein,
Described deckle board is formed by hard resin.
15. fluid loops according to claim 11, wherein,
The width of described opening extension is less than the width of described peristome.
16. fluid loops according to claim 11, wherein,
Described locking piece is formed in upstream side and this two place, downstream of the described pipe in described peristome, be configured in can under the state that described pipe is extended with linearity the position of locking described pipe.
17. fluid loops according to claim 11, wherein,
Described liquid handling device possesses:
Clamping part, it is formed with the insertion groove inserted for described pipe, can clamp the described pipe that is inserted in described insertion groove and stop the circulation of described liquid; And
Press section, upstream side and the downstream of its described pipe in described clamping part press described pipe and are pressed in described insertion groove,
Described peristome is formed at the position corresponding with described clamping part and described press section when described fluid loop is installed on described liquid handling device.
18. fluid loops according to claim 11, wherein,
Described liquid handling device is apparatus for purifying blood,
Described liquid is any one or both in the dialysis solution that adopts of dialysis treatment and replenisher.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-214020 | 2013-10-11 | ||
| JP2013214020A JP6226688B2 (en) | 2013-10-11 | 2013-10-11 | Liquid circuit |
| JP2014014182A JP6247943B2 (en) | 2014-01-29 | 2014-01-29 | Liquid circuit |
| JP2014-014182 | 2014-01-29 |
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| CN104548234A true CN104548234A (en) | 2015-04-29 |
| CN104548234B CN104548234B (en) | 2017-05-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108525041A (en) * | 2017-03-02 | 2018-09-14 | 旭化成医疗株式会社 | panel circuit |
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| CN104548234B (en) | 2017-05-24 |
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