CN102068722A - Liquid level detection balance device used for hemodialysis - Google Patents

Liquid level detection balance device used for hemodialysis Download PDF

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Publication number
CN102068722A
CN102068722A CN 201110007221 CN201110007221A CN102068722A CN 102068722 A CN102068722 A CN 102068722A CN 201110007221 CN201110007221 CN 201110007221 CN 201110007221 A CN201110007221 A CN 201110007221A CN 102068722 A CN102068722 A CN 102068722A
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CN
China
Prior art keywords
chamber
liquid level
liquid
level detector
static organ
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CN 201110007221
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Chinese (zh)
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CN102068722B (en
Inventor
高光勇
吴雄飞
任应祥
童锦
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SWS HEMODIALSIS CARE CO., LTD.
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Chongqing Shanwaishan Science & Technology Co Ltd
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Priority to CN 201110007221 priority Critical patent/CN102068722B/en
Priority to PCT/CN2011/074492 priority patent/WO2012094863A1/en
Publication of CN102068722A publication Critical patent/CN102068722A/en
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Publication of CN102068722B publication Critical patent/CN102068722B/en
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    • 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
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • 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
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/1621Constructional aspects thereof
    • A61M1/1635Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid

Abstract

The invention discloses a liquid level detection balance device used for hemodialysis, which is characterized in that the membrane external joint of one end of a hemodialyzer is sequentially connected with a first liquid level detector and a second solenoid valve in series and then is connected with the first end of a first T-joint, and the membrane external joint of the other end of the hemodialyzer is sequentially connected with a second hydraulic pump and a third solenoid valve in series and then is connected with the first end of a second T-joint; the second end of the first T-joint is communicated with a first chamber of a balancer, the third end of the first T-joint is sequentially connected with a first solenoid valve and a first hydraulic pump in series, and then is connected with a dialysate joint; and the second end of the second T-joint is communicated with the second chamber of the balancer, and the third end of the second T-joint is sequentially connected with a forth solenoid valve and a second liquid level detector in series and then is connected with a waste liquid joint. In the invention, the balancer is adopted as the volume balance device, the control is simple, and the manufacturing cost is lower; and whether the membrane in the balancer is pushed into the position or not is monitored by a liquid level detection method, both the manufacturing process and control are simpler, and the precision is ensured.

Description

A kind of hemodialysis Level Detection bascule
Technical field
The invention belongs to the blood purification technical field, specifically, particularly a kind of hemodialysis Level Detection bascule.
Background technology
At present, dialysis machine generally adopts effusion meter, pressure controling mode or dual pump mode to control the balance of dialysis solution and waste liquid in the blood purification, and existing deficiency is:
1, adopt the balance of effusion meter control dialysis solution and waste liquid, to effusion meter required precision height, effusion meter is made complicated, and needs constantly to carry out self-calibrating midway.
2, adopt pressure controling mode to realize the balance of dialysis solution and waste liquid, the pressure sensor signal fluctuation is bigger, and precision is not high.
3, adopt the dual pump mode to realize the balance of liquid and waste liquid, higher to the requirement on machining accuracy of dual pump, the cost of dual pump is higher.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of hemodialysis Level Detection bascule simple, that precision is high of controlling.
The present invention has two kinds of technical schemes, first kind of technical scheme is as follows: a kind of hemodialysis Level Detection bascule, comprise hemodialyzer (1), it is characterized in that: static organ (2) is set in the outside of described hemodialyzer (1), the inner chamber of this static organ (2) is separated into first chamber (2a) and second chamber (2b) by diaphragm (3), the film coupling of described hemodialyzer (1) one end is connected successively by pipeline behind first liquid level detector (4) and second electromagnetic valve (5), be connected with first three way cock's (6) first end, the film coupling of hemodialyzer (1) other end is connected successively by pipeline behind second hydraulic pump (7) and the 3rd electromagnetic valve (8), is connected with second three way cock's (12) first end; Described first three way cock's (6) second end is communicated with first chamber (2a) of static organ (2) by pipeline, first three way cock's (6) the 3rd end is connected successively by pipeline behind first electromagnetic valve (9) and first hydraulic pump (10), is connected with dialysis solution joint (11); Described second three way cock's (12) second end is communicated with second chamber (2b) of static organ (2) by pipeline, second three way cock's (12) the 3rd end is connected successively by pipeline behind the 4th electromagnetic valve (13) and second liquid level detector (14), is connected with waste liquid joint (15).
In the above scheme, first hydraulic pump, second hydraulic pump be as power source, drives dialysis solution respectively, waste liquid flows.First electromagnetic valve, second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve alternately open and close, concrete working condition is: the open and close of first electromagnetic valve, second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve is divided into the biphase one-period that is.
In first phase, first electromagnetic valve, the 4th electromagnetic valve are opened, second electromagnetic valve, the 3rd closed electromagnetic valve, this moment, the first hydraulic pump drive dialysis solution flowed from first chamber of dialysis solution joint to static organ, the direction of diaphragm from first chamber toward second chamber in the static organ moved, make the waste liquid in second chamber flow to second liquid level detector and waste liquid joint simultaneously, in this process, the float that carries in second liquid level detector is owing to there is liquid flow, and this float is in the middle and upper part of second liquid level detector.When diaphragm is adjacent to the chamber wall of second chamber, in second liquid level detector because of no longer including liquid flow, float in second liquid level detector is parked in the bottom of second liquid level detector, after the induction apparatus that this moment, second liquid level detector carried detects the signal of float, make first electromagnetic valve, second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve carry out second mutually by control circuit.
In second phase, second electromagnetic valve, the 3rd electromagnetic valve are opened, first electromagnetic valve, the 4th closed electromagnetic valve, mutually opposite with first, the outer waste liquid of second hydraulic pump drive hemodialyzer film this moment flows to second chamber of static organ, the direction of diaphragm from second chamber toward first chamber in the static organ moved, make dialysis fluid flow in first chamber simultaneously outside the film of first liquid level detector and hemodialyzer, in this process, the float that carries in first liquid level detector is owing to there is liquid flow, and this float is in the middle and upper part of first liquid level detector.When diaphragm is adjacent to the chamber wall of first chamber, in first liquid level detector because of no longer including liquid flow, float in first liquid level detector is parked in the bottom of first liquid level detector, after the induction apparatus that this moment, first liquid level detector carried detects the signal of float, make first electromagnetic valve, second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve carry out next cycle again by control circuit.
The inner chamber that is combined into by first chamber and second chamber in the static organ is because given volume, when diaphragm is shifted to second chamber from first chamber, enters the dialysis solution of first chamber and waste liquid that second chamber is discharged equivalent all the time.On the contrary, when diaphragm is shifted to first chamber from second chamber, enter dialysis solution that the waste liquid of second chamber and first chamber discharge equivalent all the time.These two processes have guaranteed that the amount of liquid outside dialysis solution and the waste liquid turnover hemodialyzer film is equal fully all the time.This shows,, can accurately control the outer dialysis solution of unit interval turnover hemodialyzer film and the flow of waste liquid by the switching times of control unit interval first electromagnetic valve, second electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve.
 
Second kind of technical scheme of the present invention is as follows: a kind of hemodialysis Level Detection bascule, comprise hemodialyzer (1), its key is: in the outside of described hemodialyzer (1) static organ (2) is set, the inner chamber of this static organ (2) is separated into first chamber (2a) and second chamber (2b) by diaphragm (3), the film coupling of described hemodialyzer (1) one end is connected by pipeline behind first liquid level detector (4), be connected with the liquid outlet of first three-way magnetic valve (16), the film coupling of hemodialyzer (1) other end is connected by pipeline behind second hydraulic pump (7), is connected with the liquid feeding end of second three-way magnetic valve (17); The common terminal of described first three-way magnetic valve (16) is communicated with first chamber (2a) of static organ (2) by pipeline, and the liquid feeding end of first three-way magnetic valve (16) is connected by pipeline behind first hydraulic pump (10), is connected with dialysis solution joint (11); The common terminal of described second three-way magnetic valve (17) is communicated with second chamber (2b) of static organ (2) by pipeline, and the liquid outlet of second three-way magnetic valve (17) is connected by pipeline behind second liquid level detector (14), is connected with waste liquid joint (15).
In the above scheme, first hydraulic pump, second hydraulic pump be as power source, drives dialysis solution respectively, waste liquid flows.The open and close of first three-way magnetic valve and second three-way magnetic valve also is divided into the biphase one-period that is.
In first phase, first three-way magnetic valve opens that (liquid feeding end is to the common terminal conducting, liquid outlet is closed to common terminal), second three-way magnetic valve closes that (liquid feeding end is closed to common terminal, liquid outlet is to the common terminal conducting), this moment, the first hydraulic pump drive dialysis solution flowed from first chamber of dialysis solution joint to static organ, diaphragm in the static organ is moved from first chamber toward the second chamber direction, make the waste liquid in second chamber flow to second liquid level detector and waste liquid joint simultaneously, float in this process in second liquid level detector is owing to there is liquid flow, and this float is in the middle and upper part of second liquid level detector.When diaphragm is adjacent to the chamber wall of second chamber, in second liquid level detector because of no longer including liquid flow, float in second liquid level detector is parked in the bottom of second liquid level detector, after the interior induction apparatus of second liquid level detector this moment detects the signal of float, make first three-way magnetic valve, second three-way magnetic valve carry out second phase by control circuit.
In second phase, first three-way magnetic valve closes that (liquid feeding end is closed to common terminal, liquid outlet is to the common terminal conducting), second three-way magnetic valve opens that (liquid feeding end is to the common terminal conducting, liquid outlet is closed to common terminal), mutually opposite with first, the outer waste liquid of second hydraulic pump drive hemodialyzer film this moment, second chamber to static organ flows, diaphragm in the static organ is moved from second chamber toward the first chamber direction, make dialysis fluid flow in first chamber simultaneously outside the film of first liquid level detector and hemodialyzer, float in this process in first liquid level detector is owing to there is liquid flow, and this float is in the middle and upper part of first liquid level detector.When diaphragm is adjacent to the chamber wall of first chamber, in first liquid level detector because of no longer including liquid flow, float in first liquid level detector is parked in the bottom of first liquid level detector, after the interior induction apparatus of first liquid level detector this moment detects the signal of float, make first three-way magnetic valve, second three-way magnetic valve carry out next cycle again by control circuit.
For simplified structure, make things convenient for processing and manufacturing and assembling, described static organ (2) is made up of two symmetric cavity make-ups, passes through bolting between two cavitys.
For diaphragm is installed firmly, move reliably, the edge of described diaphragm (3) is compressed by the cavity of static organ (2).
The invention has the beneficial effects as follows:
1, adopt static organ as the capacitance balance device, control is simple, and manufacturing cost is lower;
2, whether the diaphragm that utilizes the Level Detection mode to monitor in the static organ promotes to put in place, and manufacturing process and control are all simpler, is easy to realize, can accurately control the outer dialysis solution of unit interval turnover hemodialyzer film and the flow of waste liquid.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment 1
As shown in Figure 1, in the outside of hemodialyzer 1 static organ 2 is set, this static organ 2 is made up of two symmetric cavity make-ups, passes through bolting between two cavitys.Be provided with diaphragm 3 in static organ 2, the edge of this diaphragm 3 is compressed by the cavity of static organ 2, and diaphragm 3 is separated into the first chamber 2a and the second chamber 2b with the inner chamber of static organ 2.The film coupling of described hemodialyzer 1 one ends is connected by the liquid outlet of pipeline with first liquid level detector 4, the inlet of first liquid level detector 4 is connected by the liquid outlet of pipeline with second electromagnetic valve 5, and the inlet of second electromagnetic valve 5 is connected by first end of pipeline with first three way cock 6; The film coupling of hemodialyzer 1 other end is connected by the liquid feeding end of pipeline with second hydraulic pump 7, the liquid outlet of second hydraulic pump 7 is connected by the liquid feeding end of pipeline with the 3rd electromagnetic valve 8, and the liquid outlet of the 3rd electromagnetic valve 8 is connected by first end of pipeline with second three way cock 12.
As can be known from Fig. 1, first three way cock's 6 second end is communicated with the first chamber 2a of static organ 2 by pipeline, first three way cock's 6 the 3rd end is connected by the liquid outlet of pipeline with first electromagnetic valve 9, the liquid feeding end of first electromagnetic valve 9 is connected by the liquid outlet of pipeline with first hydraulic pump 10, and the liquid feeding end of first hydraulic pump 10 joins by pipeline and dialysis solution joint 11.Described second three way cock's 12 second end is communicated with the second chamber 2b of static organ 2 by pipeline, second three way cock's 12 the 3rd end is connected by the liquid feeding end of pipeline with the 4th electromagnetic valve 13, the liquid outlet of the 4th electromagnetic valve 13 is connected by the liquid feeding end of pipeline with second liquid level detector 14, and the liquid outlet of second liquid level detector 14 is connected with waste liquid joint 15 by pipeline.
In the present embodiment, first liquid level detector 4 and second liquid level detector 14 carry float and induction apparatus, and the structure and the operation principle of liquid level detector are same as the prior art, do not do at this and give unnecessary details.
The operation principle of present embodiment is as follows:
First electromagnetic valve 9, second electromagnetic valve 5, the 3rd electromagnetic valve 8 and 13 alternately open and close of the 4th electromagnetic valve, concrete working condition is: the open and close of first electromagnetic valve 9, second electromagnetic valve 5, the 3rd electromagnetic valve 8 and the 4th electromagnetic valve 13 is divided into the biphase one-period that is.
In first phase, first electromagnetic valve 9, the 4th electromagnetic valve 13 are opened, second electromagnetic valve 5, the 3rd electromagnetic valve 8 are closed, this moment, first hydraulic pump, 10 driving dialysis solution flowed from the first chamber 2a of dialysis solution joint 11 to static organ 2, the direction of diaphragm 3 from the first chamber 2a toward the second chamber 2b in the static organ 2 moved, make the waste liquid among the second chamber 2b flow to second liquid level detector 14 and waste liquid joint 15 simultaneously, in this process, float in second liquid level detector 14 is owing to there is liquid flow, and this float is in the middle and upper part of second liquid level detector 14.When diaphragm 3 is adjacent to the chamber wall of the second chamber 2b, in second liquid level detector 14 because of no longer including liquid flow, float in second liquid level detector 14 is parked in the bottom of second liquid level detector 14, after this moment, second liquid level detector, 14 interior induction apparatuss detected the signal of float, make first electromagnetic valve 9, second electromagnetic valve 5, the 3rd electromagnetic valve 8 and the 4th electromagnetic valve 13 carry out second mutually by control circuit.
In second phase, second electromagnetic valve 5, the 3rd electromagnetic valve 8 is opened, first electromagnetic valve 9, the 4th electromagnetic valve 13 cuts out, mutually opposite with first, the waste liquid that this moment second, hydraulic pump 7 drove outside the hemodialyzer film flows to the second chamber 2b of static organ 2, the direction of diaphragm 3 from the second chamber 2b toward the first chamber 2a in the static organ 2 moved, make dialysis fluid flow among the first chamber 2a simultaneously outside the film of first liquid level detector 4 and hemodialyzer 1, in this process, float in first liquid level detector 4 is owing to there is liquid flow, and this float is in the middle and upper part of first liquid level detector 4.When diaphragm 3 is adjacent to the chamber wall of the first chamber 2a, in first liquid level detector 4 because of no longer including liquid flow, float in first liquid level detector 4 is parked in the bottom of first liquid level detector 4, after this moment, first liquid level detector, 4 interior induction apparatuss detected the signal of float, make first electromagnetic valve 9, second electromagnetic valve 5, the 3rd electromagnetic valve 8 and the 4th electromagnetic valve 13 carry out next cycle again by control circuit.
 
Embodiment 2
As shown in Figure 2, the film coupling of hemodialyzer 1 one ends is connected by the liquid outlet of pipeline with first liquid level detector 4, and the inlet of first liquid level detector 4 is connected by the liquid outlet of pipeline with first three-way magnetic valve 16; The film coupling of hemodialyzer 1 other end is connected by the inlet of pipeline with second hydraulic pump 7, and the liquid outlet of second hydraulic pump 7 is connected by the liquid feeding end of pipeline with second three-way magnetic valve 17.The common terminal of described first three-way magnetic valve 16 is communicated with the first chamber 2a of static organ 2 by pipeline, the liquid feeding end of first three-way magnetic valve 16 is connected by the liquid outlet of pipeline with first hydraulic pump 10, and the inlet of first hydraulic pump 10 joins by pipeline and dialysis solution joint 11.The common terminal of described second three-way magnetic valve 17 is communicated with the second chamber 2b of static organ 2 by pipeline, the liquid outlet of second three-way magnetic valve 17 is connected by the inlet of pipeline with second liquid level detector 14, and the pipeline that passes through of second liquid level detector 14 is connected with waste liquid joint 15.All the other structures of present embodiment are identical with embodiment 1, do not do at this and give unnecessary details.
The operation principle of present embodiment is as follows:
The open and close of first three-way magnetic valve 16 and second three-way magnetic valve 17 also is divided into the biphase one-period that is.
In first phase, first three-way magnetic valve 16 opens that (liquid feeding end is to the common terminal conducting, liquid outlet is closed to common terminal), second three-way magnetic valve 17 closes that (liquid feeding end is closed to common terminal, liquid outlet is to the common terminal conducting), this moment, first hydraulic pump, 10 driving dialysis solution flowed from the first chamber 2a of dialysis solution joint 11 to static organ 2, diaphragm 3 in the static organ 2 is moved from the first chamber 2a toward the second chamber 2b direction, make the waste liquid among the second chamber 2b flow to second liquid level detector 14 and waste liquid joint 15 simultaneously, float in this process in second liquid level detector 14 is owing to there is liquid flow, and this float is in the middle and upper part of second liquid level detector 14.When diaphragm 3 is adjacent to the chamber wall of the second chamber 2b, in second liquid level detector 14 because of no longer including liquid flow, float in second liquid level detector 14 is parked in the bottom of second liquid level detector 14, after this moment, second liquid level detector, 14 interior induction apparatuss detected the signal of float, make first three-way magnetic valve 16, second three-way magnetic valve 17 carry out second phase by control circuit.
In second phase, first three-way magnetic valve 16 closes that (liquid feeding end is closed to common terminal, liquid outlet is to the common terminal conducting), second three-way magnetic valve 17 opens that (liquid feeding end is to the common terminal conducting, liquid outlet is closed to common terminal), mutually opposite with first, this moment second, hydraulic pump 7 drove the outer waste liquid of hemodialyzer film, the second chamber 2b to static organ 2 flows, diaphragm 3 in the static organ 2 is moved from the second chamber 2b toward the first chamber 2a direction, make dialysis fluid flow among the first chamber 2a simultaneously outside the film of first liquid level detector 4 and hemodialyzer 1, float in this process in first liquid level detector 4 is owing to there is liquid flow, and this float is in the middle and upper part of first liquid level detector 4.When diaphragm 3 is adjacent to the chamber wall of the first chamber 2a, in first liquid level detector 4 because of no longer including liquid flow, float in first liquid level detector 4 is parked in the bottom of first liquid level detector 4, after this moment, first liquid level detector, 4 interior induction apparatuss detected the signal of float, make first three-way magnetic valve 16, second three-way magnetic valve 17 carry out next cycle again by control circuit.

Claims (6)

1. hemodialysis Level Detection bascule, comprise hemodialyzer (1), it is characterized in that: static organ (2) is set in the outside of described hemodialyzer (1), the inner chamber of this static organ (2) is separated into first chamber (2a) and second chamber (2b) by diaphragm (3), the film coupling of described hemodialyzer (1) one end is connected successively by pipeline behind first liquid level detector (4) and second electromagnetic valve (5), be connected with first three way cock's (6) first end, the film coupling of hemodialyzer (1) other end is connected successively by pipeline behind second hydraulic pump (7) and the 3rd electromagnetic valve (8), is connected with second three way cock's (12) first end; Described first three way cock's (6) second end is communicated with first chamber (2a) of static organ (2) by pipeline, first three way cock's (6) the 3rd end is connected successively by pipeline behind first electromagnetic valve (9) and first hydraulic pump (10), is connected with dialysis solution joint (11); Described second three way cock's (12) second end is communicated with second chamber (2b) of static organ (2) by pipeline, second three way cock's (12) the 3rd end is connected successively by pipeline behind the 4th electromagnetic valve (13) and second liquid level detector (14), is connected with waste liquid joint (15).
2. hemodialysis Level Detection bascule according to claim 1 is characterized in that: described static organ (2) is made up of two symmetric cavity make-ups, passes through bolting between two cavitys.
3. hemodialysis Level Detection bascule according to claim 2 is characterized in that: the edge of described diaphragm (3) is compressed by the cavity of static organ (2).
4. hemodialysis Level Detection bascule, comprise hemodialyzer (1), it is characterized in that: static organ (2) is set in the outside of described hemodialyzer (1), the inner chamber of this static organ (2) is separated into first chamber (2a) and second chamber (2b) by diaphragm (3), the film coupling of described hemodialyzer (1) one end is connected by pipeline behind first liquid level detector (4), be connected with the liquid outlet of first three-way magnetic valve (16), the film coupling of hemodialyzer (1) other end is connected by pipeline behind second hydraulic pump (7), is connected with the liquid feeding end of second three-way magnetic valve (17); The common terminal of described first three-way magnetic valve (16) is communicated with first chamber (2a) of static organ (2) by pipeline, and the liquid feeding end of first three-way magnetic valve (16) is connected by pipeline behind first hydraulic pump (10), is connected with dialysis solution joint (11); The common terminal of described second three-way magnetic valve (17) is communicated with second chamber (2b) of static organ (2) by pipeline, and the liquid outlet of second three-way magnetic valve (17) is connected by pipeline behind second liquid level detector (14), is connected with waste liquid joint (15).
5. hemodialysis Level Detection bascule according to claim 4 is characterized in that: described static organ (2) is made up of two symmetric cavity make-ups, passes through bolting between two cavitys.
6. hemodialysis Level Detection bascule according to claim 5 is characterized in that: the edge of described diaphragm (3) is compressed by the cavity of static organ (2).
CN 201110007221 2011-01-14 2011-01-14 Liquid level detection balance device used for hemodialysis Active CN102068722B (en)

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CN 201110007221 CN102068722B (en) 2011-01-14 2011-01-14 Liquid level detection balance device used for hemodialysis
PCT/CN2011/074492 WO2012094863A1 (en) 2011-01-14 2011-05-23 Balancing device using liquid level detection for hemodialysis

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102631720A (en) * 2012-04-28 2012-08-15 广东宝莱特医用科技股份有限公司 Balancing chamber with function of detection
CN103182106A (en) * 2011-12-27 2013-07-03 旭化成医疗株式会社 Dialysate storage device, dialysis device with dialysate storage device, and dialysate adjusting method
CN105457113A (en) * 2015-11-17 2016-04-06 昆明医科大学第一附属医院 Hemodialysis device capable of adjusting calcium ion concentration
CN108175885A (en) * 2018-01-23 2018-06-19 付文英 A kind of liquid level detection balance device used for hemodialysis

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0857043A (en) * 1994-08-22 1996-03-05 Nikkiso Co Ltd Blood purifying device
CN1846794A (en) * 2006-05-17 2006-10-18 重庆山外山科技有限公司 De-airing device for purifying blood
CN101564559A (en) * 2009-05-15 2009-10-28 重庆山外山科技有限公司 Volume-varied balancer for purifying blood
CN101708347A (en) * 2009-03-11 2010-05-19 重庆多泰医用设备有限公司 Hemodialysis system for controlling electric conduction and ultra-filtration by weighing
CN201921178U (en) * 2011-01-14 2011-08-10 重庆山外山科技有限公司 Liquid level detection balancing device for hemodialysis

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838414C2 (en) * 1978-09-02 1984-10-31 Fresenius AG, 6380 Bad Homburg Device for hemodialysis and for withdrawing ultrafiltrate
DE3837498A1 (en) * 1988-11-04 1990-05-17 Fresenius Ag METHOD AND DEVICE FOR ULTRAFILTRATION IN HAEMODIALYSIS
DE19708391C1 (en) * 1997-03-01 1998-10-22 Fresenius Medical Care De Gmbh Method and device for ultrafiltration in hemodialysis
CN201324403Y (en) * 2008-12-26 2009-10-14 重庆山外山科技有限公司 Hanger type weight balancing device used for blood purification
CN101537215B (en) * 2009-04-14 2011-12-07 重庆山外山科技有限公司 Capacity balancer used for blood purification

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0857043A (en) * 1994-08-22 1996-03-05 Nikkiso Co Ltd Blood purifying device
CN1846794A (en) * 2006-05-17 2006-10-18 重庆山外山科技有限公司 De-airing device for purifying blood
CN101708347A (en) * 2009-03-11 2010-05-19 重庆多泰医用设备有限公司 Hemodialysis system for controlling electric conduction and ultra-filtration by weighing
CN101564559A (en) * 2009-05-15 2009-10-28 重庆山外山科技有限公司 Volume-varied balancer for purifying blood
CN201921178U (en) * 2011-01-14 2011-08-10 重庆山外山科技有限公司 Liquid level detection balancing device for hemodialysis

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103182106A (en) * 2011-12-27 2013-07-03 旭化成医疗株式会社 Dialysate storage device, dialysis device with dialysate storage device, and dialysate adjusting method
CN103182106B (en) * 2011-12-27 2015-09-02 旭化成医疗株式会社 Dialysis solution stowage arrangement and there is the dialysis apparatus of this dialysis solution stowage arrangement and liquid method adjusted by dialysis solution
CN102631720A (en) * 2012-04-28 2012-08-15 广东宝莱特医用科技股份有限公司 Balancing chamber with function of detection
CN105457113A (en) * 2015-11-17 2016-04-06 昆明医科大学第一附属医院 Hemodialysis device capable of adjusting calcium ion concentration
CN105457113B (en) * 2015-11-17 2018-05-11 昆明医科大学第一附属医院 A kind of haemodialysis equipment of adjustable calcium ion concentration
CN108175885A (en) * 2018-01-23 2018-06-19 付文英 A kind of liquid level detection balance device used for hemodialysis
CN108175885B (en) * 2018-01-23 2020-10-16 付文英 Liquid level detection balancing unit for hemodialysis

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