WO2010130202A1 - 一种血液净化用变容式平衡器 - Google Patents
一种血液净化用变容式平衡器 Download PDFInfo
- Publication number
- WO2010130202A1 WO2010130202A1 PCT/CN2010/072650 CN2010072650W WO2010130202A1 WO 2010130202 A1 WO2010130202 A1 WO 2010130202A1 CN 2010072650 W CN2010072650 W CN 2010072650W WO 2010130202 A1 WO2010130202 A1 WO 2010130202A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diaphragm
- cavity
- chamber
- balancer
- solenoid valve
- Prior art date
Links
Classifications
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
- A61M1/1635—Constructional aspects thereof with volume chamber balancing devices between used and fresh dialysis fluid
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
- A61M1/1672—Apparatus for preparing dialysates using membrane filters, e.g. for sterilising the dialysate
Definitions
- the present invention relates to a component of a blood purification apparatus, and more particularly to a variable-capacity balancer that achieves dialysate configuration and dehydration from a human body while maintaining a dialysate flow rate per unit time.
- Hemodialysis is one of the most important modes of blood purification treatment. It is currently the main treatment for patients with uremia and acute and chronic renal failure. Because the kidney organs of uremic patients partially or completely lose urinary function, hemodialysis is needed.
- the two main functions of hemodialysis are: 1) By fixing a certain amount of dialysate and blood diffusion principle per unit time. Remove toxins from the body or correct acid-base balance; 2) Ultra-filter out excess water from human blood and tissue fluids through an ultrafiltration system.
- a hemodialysis treatment is usually 4 to 5 hours, and the amount of dialysate that needs to be exchanged with blood is 120 to 150 L.
- Such a large amount of dialysate exchanges substances with blood, so dialysis into the dialyzer per unit time.
- the amount of liquid and the amount of waste liquid from the dialyzer must be equal. Otherwise, it will not achieve the purpose of dehydration from the human body, and it is prone to imbalance of liquid volume, which may cause danger to the patient's life.
- the technical problem to be solved by the present invention is to provide a variable capacity balancer for blood purification, which can solve the configuration of the dialysate, the flow control of the dialysate and realize the dehydration from the human body by using one member.
- a variable volume balancer for blood purification comprising a bracket, a cavity and a diaphragm, wherein the cavity is mounted on the bracket, the key is: spacing in the cavity of the cavity There are two diaphragms, the first diaphragm and the second diaphragm separating the inner cavity of the cavity into the first chamber and the second chamber, and a silicone oil chamber is formed between the two diaphragms, and the silicone oil chamber passes through
- the silicone oil pipe is connected to the inner cavity of the piston pump, and the piston pump is fixed on the bracket; a through hole is formed in the cavity wall of the first chamber, and the through hole passes through the pipeline and the inlet of the first three-way electromagnetic valve
- the joint is connected, and a through hole is also formed in the wall of the second chamber, and the through hole is connected to the inlet joint of the second three-way solenoid valve through the pipeline.
- the silicone oil chamber is filled with silicone oil.
- the first diaphragm and the second diaphragm are hydraulically pushed toward the second chamber.
- the second chamber is drained through the second three-way solenoid valve; similarly, when the second chamber is fed through the second three-way solenoid valve, the first diaphragm and the second diaphragm are pushed by the hydraulic pressure
- the first chamber moves to cause the first chamber to drain through the first solenoid valve.
- the silicone oil chamber can be changed by the suction of the silicone oil by the piston pump, thereby changing the size of the first and second chambers.
- the invention has the advantages of simple structure, easy disassembly and assembly, and good reliability.
- the invention can be used with the electromagnetic valve and the gear pump to realize the dehydration and dialysis from the human body through the suction of the silicone oil by the piston pump.
- the liquid configuration makes the entire dialysis equipment water system simpler and more reliable.
- the cavity is formed by fastening the left and right halves, and the two are fixed by screws.
- a pressure ring is arranged between the edges of the first and second diaphragms, and the pressure ring and the first and the second The edges of the two diaphragms are pressed by the two halves, and a pressure ring joint is fixed on the top of the pressure ring by a pressure plate, and the pressure ring joint is connected with the silicone oil pipe, and the inner hole of the pressure ring joint is opened through the top of the pressure ring.
- the through hole communicates with the silicone oil chamber.
- a sealing ring is installed between the pressure ring joint and the pressure ring.
- a lead-through hole is defined in the upper part and the lower part of the first chamber wall, and the outer ports of each lead-through hole are respectively provided with a joint, and the upper and lower joints are respectively connected with the two ports of the three-way hose,
- the third port of the three-way hose is connected to the inlet port of the first three-way solenoid valve.
- the upper and lower portions of the second chamber wall are provided with a through-flow hole, and the outer ports of each of the lead-through holes are provided with joints, and the upper and lower joints are respectively connected with the two ports of the three-way hose
- the third port of the three-way hose is connected to the inlet joint of the second three-way solenoid valve.
- the first and second three-way solenoid valves are arranged side by side, and are fixed on the bracket by screws.
- the beneficial effects of the invention are: 1.
- the structure is simple and practical, the assembly is convenient and fast, and the operation is reliable. It can ensure the flow rate through the cavity per unit time is accurate, and the balance of dialysate and waste liquid flow is precisely ensured.
- the invention can realize the functions of the ultrafiltration pump and the concentrate pump, so that the dialysis equipment can omit the concentrate pump used in the ultrafiltration pump and the dialysate configuration, simplifying the entire waterway system and reducing the cost.
- the silicone oil filled in the silicone oil chamber has stable chemical properties and good biological properties. It can effectively improve the precision of liquid dispensing and ultrafiltration precision when used in dialysis equipment.
- Figure 1 is a front view of the present invention.
- Figure 2 is a left side view of Figure 1.
- Figure 3 is a plan view of Figure 1.
- Figure 4 is a cross-sectional view taken along line A-A of Figure 1.
- Fig. 5 is a reference view of the use state of the present invention.
- the present invention comprises a bracket 1, a cavity 2, a first diaphragm 3, a second diaphragm 4, a silicone oil pipe 8, a piston pump 9, and a first three-way electromagnetic
- the valve 10 the second three-way solenoid valve 11, the pressure ring 12, the pressure ring joint 13, the pressure plate 14, the joint 15, and the three-way hose 16 are formed.
- a cavity 2 a piston pump 9, a first three-way solenoid valve 10 and a second three-way solenoid valve 11 are fixed on the bracket 1, wherein the piston pump 9 is disposed at the top of the bracket 1, and the first three-way solenoid valve 10
- the second three-way solenoid valve 11 is located on one side of the bracket 1
- the cavity 2 is located on the other side of the bracket 1
- the first three-way solenoid valve 10 and the second three-way solenoid valve 11 are arranged side by side.
- the cavity 2 is formed by fastening the left half 2a and the right half 2b, and the two are fixed by screws to form the inner cavity of the cavity 2.
- the tops of the left half body 2a and the right half body 2b are respectively provided with grooves of a shape and size in the axial direction, and the left half body 2a and the right half body 2b are engaged with each other. After that, the two partial grooves are combined to form the top slot of the cavity 2, and the step surface at the bottom of the top slot is not higher than the top of the pressure ring 12.
- a first diaphragm 3 and a second diaphragm 4 are disposed in the inner cavity of the cavity 2, and a pressure ring 12 is disposed between the edges of the first diaphragm 3 and the second diaphragm 4, the pressure ring 12 and the first The edges of the diaphragm 3 and the second diaphragm 4 are respectively pressed and pressed by the left half 2a and the right half 2b.
- a silicone oil chamber 7 is formed between the second diaphragm 4.
- a lead-through hole 2c is defined in an upper portion and a lower portion of the chamber wall of the first chamber 5, and an outer port of each of the lead-through holes 2c is provided with a joint 15, and the upper and lower joints 15 are respectively connected with a three-way hose The two ports of 16 are connected, and the third port of the three-way hose 16 of the first chamber 5 is connected to the inlet port of the first three-way solenoid valve 10.
- the upper and lower portions of the chamber wall of the second chamber 6 are provided with a through-flow hole 2d, and the outer ports of each of the lead-through holes 2d are provided with joints, and the upper and lower joints are respectively connected with another three-way hose.
- the two ports of 16 are connected, and the third port of the three-way hose 16 of the second chamber 6 is connected to the inlet port of the second three-way solenoid valve 11.
- the pressure ring joint 13 is fixed in the top slot of the cavity 2 by the pressure plate 14, and the inner hole of the pressure ring joint 13 passes through the through hole opened at the top of the pressure ring 12 and the silicone oil.
- the chamber 7 is in communication, and a seal ring 25 is mounted between the pressure ring joint 13 and the pressure ring 12.
- the pressure ring joint 13 is connected to one end of the silicone oil pipe 8, and the other end of the silicone oil pipe 8 is connected to the pipe interface of the piston pump 9.
- the inner cavity of the piston pump 9 passes through the silicone oil pipe 8, the inner hole of the pressure ring joint 13, and the pressure ring.
- the through hole opened at the top of the 12 is communicated with the silicone oil chamber 7.
- the silicone oil chamber 7 is filled with silicone oil, and when the liquid is introduced into the first chamber 5 through the first three-way solenoid valve 10, the three-way hose 16, and the upper and lower two through-flow holes 2c, , the first diaphragm 3 and the second diaphragm 4 are moved to the right under the hydraulic pressure, so that the second chamber 6 passes through the second three-way solenoid valve 1 1
- the second chamber 6 is fed through the second three-way solenoid valve 1 1
- the three-way hose and the upper and lower two through holes 2 d the first diaphragm 3 and the second diaphragm 4 are in hydraulic pressure.
- the push moves to the left to discharge the first chamber 5 through the first solenoid valve 10.
- the first diaphragm 3 and the second diaphragm 4 are moved left and right, if the size of the silicone oil chamber 7 is kept constant, the amount of liquid entering and discharging the first chamber 5 and the second chamber 6 can be ensured at all times. Consistent.
- the size of the silicone oil chamber 7 can be changed by suction of the silicone oil by the piston pump 9, thereby changing the first chamber 5 and the second chamber. The size of 6.
- the present invention when used in a dialysis apparatus, two balancers and four three-way solenoid valves can be used in combination, and the upper end passage of the first three-way solenoid valve 10 in the first balancer 17 passes through the tube.
- the road is connected to the lower end passage of the second three-way solenoid valve 11 in the second balancer 18, and the waste line pipe 19 is connected to the line, and the waste liquid pipe 19 is connected to the waste liquid pool through the series solenoid valve V4.
- the lower end passage of the first three-way solenoid valve 10 in the first balancer 17 is connected to the upper end passage of the second three-way solenoid valve 11 in the second balancer 18 through a pipeline, and the inlet pipe 20 is connected to the pipeline.
- the tube 20 is connected to the upper interface of the dialyzer 21 after the series gear pump FQ.
- the upper end passage of the second three-way solenoid valve 1 in the first balancer 17 is connected to the lower end passage of the first three-way solenoid valve 10 in the second balancer 18 through a pipeline, and the dialysate is connected to the pipeline 22, the dialysate tube 22 is sequentially connected in series with a solenoid valve V3 and a gear pump TQ, and the gear pump TQ is connected to the reverse osmosis water.
- the liquid eluent tube 22 is connected with the A liquid tube 23 and the B liquid tube 24, and the A liquid tube 23 is connected in series with the electromagnetic valve VI and connected to the A liquid container, and the B liquid tube 24 is connected to the B liquid container after the solenoid valve V2 is connected in series.
- the lower end passage of the second three-way solenoid valve 1 1 in the first balancer 17 and the upper end passage of the first three-way solenoid valve 10 in the second balancer 18 are connected to the lower port of the dialyzer 21 through a pipe.
- the waste liquid in the dialyzer 21 is driven by the first gear pump FQ into the first chamber on the left side of the second balancer 18 cavity 2 through the upper end passage of the second three-way solenoid valve 11 in the second balancer 18. 5, and at the same time, the right second chamber 6 discharges the dialysate to the dialyzer 21 through the upper end passage of the first three-way solenoid valve 10 in the second balancer 18 until the diaphragm is in close contact with the chamber wall. Then the piston pump 9 in the second balancer 18 draws a certain amount of silicone oil from the silicone oil chamber 7, so that the amount of waste liquid that enters the first chamber 5 in the chamber 2 of the second balancer 18 by the dialyzer 21 increases.
- the increased amount is the amount of the extracted silicone oil, that is, the amount of dehydration; meanwhile, the heated reverse osmosis water is driven by the second gear pump TQ through the upper end passage of the second three-way solenoid valve 11 in the first balancer 17.
- the first balancer 17 is in the second chamber 6 on the right side of the cavity 2, and at the same time, the left first chamber 5 is discharged through the upper end passage of the first three-way solenoid valve 10 in the first balancer 17 until the diaphragm Close to the cavity wall.
- the solenoid valve V3 is closed, the solenoid valve V4 is closed, and the solenoid valve VI is opened.
- the piston pump in the first balancer 17 is opened. 9 pumping out a certain amount of silicone oil, because the lower end of the second three-way solenoid valve 11 of the second chamber 6 in the chamber 2 of the first balancer 17 and the solenoid valve V3 are closed, so that the same amount of liquid A as the silicone oil can be drawn into the first A balancer 17 is inside the second chamber 6 of the cavity 2.
- the solenoid valve VI is closed and the solenoid valve V2 is opened.
- the piston pump 9 in the first balancer 17 draws in a certain amount of silicone oil to draw the same amount of fluid B as the silicone oil into the second chamber of the first balancer 17 chamber 2.
- the process is to achieve the configuration of the dialysate.
- the second process is completely opposite to the first process, as is the configuration of the dialysate and the ultrafiltration dewatering.
- the dialysate configuration By repeating the first process and the second process, the dialysate configuration, flow control of the dialysate per unit time, and dehydration from the body ultrafiltration can be achieved.
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Urology & Nephrology (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Emergency Medicine (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI1012139A BRPI1012139A2 (pt) | 2009-05-15 | 2010-05-12 | balanceador de volume variado para purificação do sangue |
RU2011150390/14A RU2495680C2 (ru) | 2009-05-15 | 2010-05-12 | Компенсатор с изменяемым объемом для очистки крови |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101038700A CN101564559B (zh) | 2009-05-15 | 2009-05-15 | 一种血液净化用变容式平衡器 |
CN200910103870.0 | 2009-05-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010130202A1 true WO2010130202A1 (zh) | 2010-11-18 |
Family
ID=41281034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/072650 WO2010130202A1 (zh) | 2009-05-15 | 2010-05-12 | 一种血液净化用变容式平衡器 |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN101564559B (zh) |
BR (1) | BRPI1012139A2 (zh) |
RU (1) | RU2495680C2 (zh) |
WO (1) | WO2010130202A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2666491B1 (de) | 2012-05-22 | 2017-04-26 | D_MED Consulting AG | Hämodialysegerät |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101564559B (zh) * | 2009-05-15 | 2011-08-10 | 重庆山外山科技有限公司 | 一种血液净化用变容式平衡器 |
CN101564560B (zh) * | 2009-05-15 | 2012-01-11 | 重庆山外山科技有限公司 | 一种血液净化用配液及超滤装置 |
CN102068722B (zh) * | 2011-01-14 | 2012-04-18 | 重庆山外山科技有限公司 | 一种血液透析用液位检测平衡装置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US4935125A (en) * | 1987-09-01 | 1990-06-19 | Shibuya Kogyo Co., Ltd. | Dialysis system |
JPH0880346A (ja) * | 1994-09-13 | 1996-03-26 | Toray Medical Kk | 血液透析方法および装置 |
US6274034B1 (en) * | 1998-10-07 | 2001-08-14 | Nipro Corporation | Dialysis system and cleaning and priming method thereof |
US6277272B1 (en) * | 1998-10-07 | 2001-08-21 | Nipro Corporation | Dialysis system and cleaning and priming method thereof |
US20040262203A1 (en) * | 2003-06-30 | 2004-12-30 | Takayuki Nishimura | Dialysis device |
CN1327913C (zh) * | 2004-04-23 | 2007-07-25 | 暨南大学 | 一种用于血液透析设备中透析液回来的配液供液方法及其装置 |
CN101564559A (zh) * | 2009-05-15 | 2009-10-28 | 重庆山外山科技有限公司 | 一种血液净化用变容式平衡器 |
CN101564560A (zh) * | 2009-05-15 | 2009-10-28 | 重庆山外山科技有限公司 | 一种血液净化用配液及超滤装置 |
CN201394227Y (zh) * | 2009-05-15 | 2010-02-03 | 重庆山外山科技有限公司 | 血液净化用配液及超滤装置 |
CN201394228Y (zh) * | 2009-05-15 | 2010-02-03 | 重庆山外山科技有限公司 | 血液净化用变容式平衡器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2118178C1 (ru) * | 1997-06-03 | 1998-08-27 | Акционерное общество закрытого типа "Новатор" | Устройство для очистки биологических жидкостей |
RU2174412C2 (ru) * | 1999-11-01 | 2001-10-10 | Выренков Юрий Евгеньевич | Устройство комплексной очистки биожидкостей |
CN2582617Y (zh) * | 2002-10-28 | 2003-10-29 | 尹良红 | 平衡泵 |
CN100438932C (zh) * | 2006-04-28 | 2008-12-03 | 重庆山外山科技有限公司 | 血液净化用容量平衡及超滤装置 |
EP4309691A3 (en) * | 2007-02-27 | 2024-04-24 | DEKA Products Limited Partnership | Hemodialysis systems |
-
2009
- 2009-05-15 CN CN2009101038700A patent/CN101564559B/zh active Active
-
2010
- 2010-05-12 RU RU2011150390/14A patent/RU2495680C2/ru active
- 2010-05-12 BR BRPI1012139A patent/BRPI1012139A2/pt not_active IP Right Cessation
- 2010-05-12 WO PCT/CN2010/072650 patent/WO2010130202A1/zh active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4935125A (en) * | 1987-09-01 | 1990-06-19 | Shibuya Kogyo Co., Ltd. | Dialysis system |
JPH0880346A (ja) * | 1994-09-13 | 1996-03-26 | Toray Medical Kk | 血液透析方法および装置 |
US6274034B1 (en) * | 1998-10-07 | 2001-08-14 | Nipro Corporation | Dialysis system and cleaning and priming method thereof |
US6277272B1 (en) * | 1998-10-07 | 2001-08-21 | Nipro Corporation | Dialysis system and cleaning and priming method thereof |
US20040262203A1 (en) * | 2003-06-30 | 2004-12-30 | Takayuki Nishimura | Dialysis device |
CN1327913C (zh) * | 2004-04-23 | 2007-07-25 | 暨南大学 | 一种用于血液透析设备中透析液回来的配液供液方法及其装置 |
CN101564559A (zh) * | 2009-05-15 | 2009-10-28 | 重庆山外山科技有限公司 | 一种血液净化用变容式平衡器 |
CN101564560A (zh) * | 2009-05-15 | 2009-10-28 | 重庆山外山科技有限公司 | 一种血液净化用配液及超滤装置 |
CN201394227Y (zh) * | 2009-05-15 | 2010-02-03 | 重庆山外山科技有限公司 | 血液净化用配液及超滤装置 |
CN201394228Y (zh) * | 2009-05-15 | 2010-02-03 | 重庆山外山科技有限公司 | 血液净化用变容式平衡器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2666491B1 (de) | 2012-05-22 | 2017-04-26 | D_MED Consulting AG | Hämodialysegerät |
EP2666491B2 (de) † | 2012-05-22 | 2020-08-12 | D.Med Consulting GmbH | Hämodialysegerät |
Also Published As
Publication number | Publication date |
---|---|
CN101564559A (zh) | 2009-10-28 |
CN101564559B (zh) | 2011-08-10 |
RU2011150390A (ru) | 2013-06-20 |
BRPI1012139A2 (pt) | 2016-03-29 |
RU2495680C2 (ru) | 2013-10-20 |
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