CN104707196B - A kind of peritoneal dialysis instrument - Google Patents
A kind of peritoneal dialysis instrument Download PDFInfo
- Publication number
- CN104707196B CN104707196B CN201510131582.1A CN201510131582A CN104707196B CN 104707196 B CN104707196 B CN 104707196B CN 201510131582 A CN201510131582 A CN 201510131582A CN 104707196 B CN104707196 B CN 104707196B
- Authority
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- China
- Prior art keywords
- kinetic pump
- working solution
- interface
- tank circuit
- cassette
- 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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- 238000000502 dialysis Methods 0.000 title claims abstract description 31
- 239000012224 working solution Substances 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 239000011159 matrix material Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 210000000683 abdominal cavity Anatomy 0.000 claims abstract description 16
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 5
- 208000020832 chronic kidney disease Diseases 0.000 description 4
- 201000000523 end stage renal failure Diseases 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000003907 kidney function Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 208000001647 Renal Insufficiency Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 208000028208 end stage renal disease Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001435 haemodynamic effect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 201000006370 kidney failure Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000009256 replacement therapy Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
-
- 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
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
- A61M1/285—Catheters therefor
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Urology & Nephrology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (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)
Abstract
The invention discloses a kind of peritoneal dialysis instrument, it includes pipeline assembly and Power Component, described pipeline assembly includes cassette matrix and covers overlay film in cassette body upper surface, be provided with the cassette matrix the up tank circuit for working solution circulation, the descending tank circuit, vertical pipeline, dashpot A, the dashpot B for working solution entry/exit for working solution shunting and for controlling the commutation control of working solution break-make to switch, be respectively used to connection heating liquid, drainage tube, replenisher, most end bag working solution, the interface of abdominal cavity of patients, the interface for connecting kinetic pump；Described Power Component includes housing and kinetic pump, and the tank circuit for connecting cassette base bottom interface and kinetic pump is provided with the surface of shell mutually be bonded with cassette base bottom.The pipeline structure that not only enormously simplify for peritoneal dialysis of the invention, and each workflow of peritoneal dialysis can be precisely realized, peritoneal dialysis instrument is realized miniaturization and lighting, production and use cost is substantially reduced.
Description
Technical field
The present invention is to be related to a kind of peritoneal dialysis instrument, belongs to technical field of medical instruments.
Background technology
Now, ESRD (end-stage renal disease, ESRD) patient numbers continue to increase, and peritonaeum is saturating
Analysis (abbreviation abdomen is saturating, peritoneal dialysis, PD) is one of main replacement therapy method of ESRD.Peritoneal dialysis is profit
With the peritonaeum of human body itself as dialysis membrane a kind of dialysis, by pouring into the dialyzate in abdominal cavity and the hair of peritonaeum opposite side
Thin endovascular plasma fraction carries out the exchange of solute and moisture, to remove the metabolite and excessive moisture of internal retention,
Material necessary to body is supplemented by dialyzate simultaneously；By constantly updating peritoneal dialysis liquid, reach kidney and substitute or support to control
The purpose for the treatment of.Peritoneal dialysis as a kind of house therapeutic modality, with many particular advantages, for example：Reduction of speed under residual renal function
Degree is relatively slow, can protect residual renal function, residual renal function forfeiture typically will not too early occurs；Haemodynamic stabilization；In point
Sub- material is removed preferable；Patient has more independent and free therapeutic modality；Cross-infection rate is relatively low；The medical resource of occupancy compared with
It is few；Medical expense is low.
But existing peritoneal dialysis instrument is present, and pipeline structure is complicated, it is big to take volume, carry inconvenient, high cost or flow velocity
The defect such as not accurate is controlled, for example：A kind of kidney failure fully-automatic intelligent peritonaeum disclosed in Chinese patent CN200410028087.X
Dialysis apparatus, it includes temperature weighing-up wave detection conditioning unit, PLC control devices, intellective IC card system based on PIC single chip microcomputer
System, peristaltic pump and dialyzate pipe-line system are connected with each other composition, and peristaltic pump and seven magnetic valves are provided with liquid pipeline of dialysing,
Wherein, dialysis liquid pipeline is by 4 millimeters of internal diameter, the plastics sebific duct of 6 millimeters of external diameter, 3 three-way connections, 1 five-way joint, 5 pipes
Joint, 1 abdominal cavity joint, 4 infusion bags and 1 waste fluid bag composition, have that pipeline structure is complicated, it is big to take volume, carry not
The defect such as convenient.
The content of the invention
In view of the foregoing defects the prior art has, it is an object of the invention to provide a kind of pipeline structure it is simple, take body
Accumulate small, easy to carry, low cost and flow control accurately peritoneal dialysis instrument.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of peritoneal dialysis instrument, including pipeline assembly and Power Component, it is characterised in that：Described pipeline assembly includes card
Casket matrix and overlay film in cassette body upper surface is covered, be provided with the cassette matrix for the up of working solution circulation
The tank circuit is with the descending tank circuit and connects the vertical pipeline of the up tank circuit and the descending tank circuit, is provided with for work in the intersection of the up tank circuit
Make the dashpot A of liquid shunting, at least provided with a dashpot B for being used for working solution entry/exit on each section of the up tank circuit
And for controlling the commutation control of working solution break-make to switch, be provided with the sidepiece of the cassette matrix and be respectively used to connection heating
Liquid, drainage tube, replenisher, most end bag working solution, the interface of abdominal cavity of patients, are provided with for connecting in the bottom of the cassette matrix
The interface of kinetic pump；Described Power Component includes housing and kinetic pump, in the surface of shell mutually be bonded with cassette base bottom
It is provided with the tank circuit for connecting cassette base bottom interface and kinetic pump.
Used as a kind of preferred scheme, described commutation control switch is arranged on and connects the vertical of the up tank circuit and the descending tank circuit
The end of pipeline, the outside positioned at overlay film.
Used as further preferred scheme, described commutation control switch is direct acting piston bidirectional magnetic valve.
As a kind of preferred scheme, the upper border line of the dashpot B be higher than be arranged on inside dashpot B for work
The end of the vertical pipeline of liquid entry/exit.
Used as a kind of preferred scheme, described kinetic pump is two push-pull type syringe pumps.
Compared with prior art, the present invention is by using 3 D stereo interactive mode cassette circuit design so that for peritonaeum
The pipeline structure of dialysis is greatly simplified, and is taken volume and is substantially reduced, and not only contributes to realize the miniaturization of peritoneal dialysis instrument and light
Just change, and cause that production and use cost are substantially reduced, and can realize that flow velocity is precisely controlled, with conspicuousness progress and apply valency
Value.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the Power Component with pipeline assembly of peritoneal dialysis instrument provided in an embodiment of the present invention
Figure；
Fig. 2 is the structural representation of pipeline assembly described in embodiment；
Fig. 3 is the dimensional structure diagram of cassette matrix described in embodiment；
Fig. 4 is the positive structure diagram of cassette matrix described in embodiment；
Fig. 4 a be working solution in fig. 4 A-A in pipeline two commutation controls switch be turned off when view；
Fig. 4 b be working solution in fig. 4 A-A in pipeline two commutation controls switch one open one close when state illustrate
Figure；
Fig. 4 c be working solution in fig. 4 A-A in pipeline two commutation controls switch open when view；
Fig. 5 a-5b are workflow schematic diagram of the working solution by heating liquid interface to abdominal cavity of patients's interface；
Fig. 6 a-6b are the workflow schematic diagram that working solution is interfaced to drainage tube interface by abdominal cavity of patients；
Fig. 7 a-7b are the workflow schematic diagram that working solution is interfaced to heating liquid interface by replenisher；
Fig. 8 a-8b are the workflow schematic diagram that working solution is interfaced to heating liquid interface by most end bag working solution.
In figure：1st, cassette matrix；11st, the up tank circuit；12nd, the descending tank circuit；13rd, vertical pipeline；14th, shunted for working solution
Dashpot A；15th, for the dashpot B of working solution entry/exit；16th, commutation control switch；17th, interface；171st, liquid interface is heated；
172nd, drainage tube interface；173rd, liquid interface is supplemented；174th, most end bag work liquid interface；175th, abdominal cavity of patients's interface；176th, interface
A1；177th, interface A2；178th, interface B1；179th, interface B2；2nd, overlay film；3rd, Power Component；31st, housing；32nd, kinetic pump A；33、
Kinetic pump B；34th, for connecting the tank circuit A of cassette base bottom interface and kinetic pump A；341st, interface A1；342nd, interface A2；
343rd, kinetic pump A interfaces；35th, for connecting the tank circuit B of cassette base bottom interface and kinetic pump B；351st, interface B1；352nd, connect
Mouth B2；353rd, kinetic pump B interface.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing, to the present invention
Technical scheme in embodiment is clearly and completely described.
As shown in Figures 1 to 4：A kind of peritoneal dialysis instrument that the present invention is provided, including pipeline assembly and Power Component, it is described
Pipeline assembly include cassette matrix 1 and cover overlay film 2 in the upper surface of cassette matrix 1, be provided with the cassette matrix 1
For working solution circulation the up tank circuit 11 is with the descending tank circuit 12 and connects the vertical pipeline of the up tank circuit 11 and the descending tank circuit 12
13, the dashpot A14 for working solution shunting is provided with the intersection of the up tank circuit 11, on each section of the up tank circuit extremely
Be provided with a dashpot B15 for working solution entry/exit less, the sidepiece of the cassette matrix 1 be provided be respectively used to connection plus
The interface 174, abdominal cavity of patients of interface 173, the most end bag working solution of the interface 172, replenisher of the interface 171, drainage tube of hydrothermal solution
Interface 175, be provided with interface A1 176, the interface A2 177, interface for connecting kinetic pump in the bottom of the cassette matrix 1
B1 178, interface B2 179；Described Power Component 3 includes housing 31 and the kinetic pump A 32 and power that are arranged in housing 31
Pump B 33, is provided with for connecting the bottom interface of cassette matrix 1 on the surface of the housing 1 mutually be bonded with the bottom of cassette matrix 1
The tank circuit A 34 of A1 176, A2 177 and kinetic pump A 32, described tank circuit A 34 is provided with what is be connected with interface A1 176
Interface A1 341, the interface A2 342 being connected with interface A2 177, the kinetic pump A interfaces 343 being connected with kinetic pump A 32；
Similarly, it is provided with for connecting cassette base bottom interface B1 on the surface of the housing 1 mutually be bonded with the bottom of cassette matrix 1
178th, the tank circuit B 35 of B2 179 and kinetic pump B 33, described tank circuit B 35 are provided with the interface being connected with interface B1 178
B1 351, the interface B2 352 being connected with interface B2 179, the kinetic pump B interface 353 being connected with kinetic pump B 33.
The upper border line of the dashpot B 15 is higher than to be arranged on the erecting for working solution entry/exit inside dashpot B 15
The end on straight tube road 13, so that the working solution in dashpot B 15 is smoothly back in vertical pipeline 13.
Described kinetic pump A 32 and kinetic pump B 33 select two push-pull type syringe pumps, are beneficial to the height to working solution
The volume of precision controlling and reduction peritoneal dialysis instrument.
It is as shown in Figs. 4a-c：Described commutation control switch 16 is arranged on the up tank circuit 11 of connection and the descending tank circuit 12
The end of vertical pipeline 13, the outside positioned at overlay film 2.
16 up and down motion is switched by controlling the commutation control in working solution circulation branch road, working solution break-make is capable of achieving
Control, the flow velocity that can realize working solution by the stroke size for controlling commutation control to switch 16 up and down motion is adjusted.Described
Commutation control switch 16 is preferably direct acting piston bidirectional magnetic valve, safe and reliable, be swift in response with low in energy consumption
Advantage.
Peritoneal dialysis can typically experience four flows, respectively：Heating liquid enters abdominal cavity of patients, dialysis waste liquid by patient's abdomen
Chamber drains, suction operation liquid enters heating interface, suction operation liquid enters heating interface from most end bag from supplement bag；Tool
Body running flow is as follows：
Fig. 5 a-5b are workflow schematic diagram of the working solution by heating liquid interface to abdominal cavity of patients's interface, in figure：DARepresent
Kinetic pump A, DBRepresent that kinetic pump B, kinetic pump A and kinetic pump B do alternately type of respiration motion；Wherein：Fig. 5 a are to represent kinetic pump A
Pump chamber in have been filled with the case of heating liquid, the pump chamber of kinetic pump B emptied, kinetic pump A by the heating liquid in pump chamber export to
Abdominal cavity of patients, kinetic pump B will heat the workflow in liquid suction pump chamber simultaneously；Fig. 5 b are that the pump chamber for representing kinetic pump A has been arranged
Had been filled with the empty, pump chamber of kinetic pump B in the case of heating liquid, kinetic pump A will be heated in liquid suction pump chamber, kinetic pump B simultaneously will
Heating liquid in pump chamber is exported to the workflow of abdominal cavity of patients.
Fig. 6 a-6b are the workflow schematic diagram that working solution is interfaced to drainage tube interface by abdominal cavity of patients, in figure：DARepresent
Kinetic pump A, DBRepresent that kinetic pump B, kinetic pump A and kinetic pump B do alternately type of respiration motion；Wherein：Fig. 6 a are to represent kinetic pump A
Pump chamber in have been filled with the case of drainage-fluid, the pump chamber of kinetic pump B emptied, kinetic pump A by the drainage-fluid in pump chamber export to
Drainage tube, kinetic pump B are simultaneously from the workflow of abdominal cavity of patients's aspiration drainage liquid；Fig. 6 b are that the pump chamber for representing kinetic pump A has been arranged
In the case of having been filled with drainage-fluid in the empty, pump chamber of kinetic pump B, kinetic pump A from abdominal cavity of patients's aspiration drainage liquid, kinetic pump B simultaneously
Drainage-fluid in pump chamber is exported to the workflow of drainage tube.
Fig. 7 a-7b are the workflow schematic diagram that working solution is interfaced to heating liquid interface by replenisher, in figure：DARepresent dynamic
Power pump A, DBRepresent that kinetic pump B, kinetic pump A and kinetic pump B do alternately type of respiration motion；Wherein：Fig. 7 a represent kinetic pump A
Had been filled with pump chamber in the case of replenisher, the pump chamber of kinetic pump B emptied, kinetic pump A by the replenisher in pump chamber export to plus
Hydrothermal solution interface, kinetic pump B aspirate the workflow of replenisher from supplement liquid interface simultaneously；Fig. 7 b are the pump chambers for representing kinetic pump A
In the case of having emptied, having been filled with replenisher in the pump chamber of kinetic pump B, kinetic pump A is from supplement liquid interface suction replenisher, kinetic pump
B is simultaneously exported the replenisher in pump chamber to the workflow of heating liquid interface.
Fig. 8 a-8b are the workflow schematic diagram that working solution is interfaced to heating liquid interface by most end bag working solution, in figure：DA
Represent kinetic pump A, DBRepresent that kinetic pump B, kinetic pump A and kinetic pump B do alternately type of respiration motion；Wherein：Fig. 8 a are to represent dynamic
Had been filled with the pump chamber of power pump A in the case of working solution, the pump chamber of kinetic pump B emptied, kinetic pump A is defeated by the working solution in pump chamber
Go out to heating liquid interface, kinetic pump B simultaneously from the workflow of most end bag work liquid interface suction operation liquid；Fig. 8 b are to represent dynamic
The pump chamber of power pump A has been emptied, working solution is had been filled with the pump chamber of kinetic pump B in the case of, kinetic pump A is from most end bag work liquid interface
Suction operation liquid, kinetic pump B are simultaneously exported the working solution in pump chamber to the workflow of heating liquid interface.
It is visible in sum：The present invention is by using 3 D stereo interactive mode cassette circuit design, not only enormously simplify
For the pipeline structure of peritoneal dialysis, and each workflow of peritoneal dialysis can be precisely realized, realize peritoneal dialysis instrument
Miniaturization and lighting, can be such that production and use cost substantially reduces, with conspicuousness progress and application value.
Finally be necessary described herein be：The above is served only for making further specifically technical scheme
Bright, it is impossible to be interpreted as limiting the scope of the invention, those skilled in the art's the above of the invention is made
Some nonessential modifications and adaptations belong to protection scope of the present invention.
Claims (3)
1. a kind of peritoneal dialysis instrument, including pipeline assembly and Power Component, it is characterised in that：Described pipeline assembly includes cassette
Matrix and overlay film in cassette body upper surface is covered, the up groove for working solution circulation is provided with the cassette matrix
Road is with the descending tank circuit and connects the vertical pipeline of the up tank circuit and the descending tank circuit, is provided with for working in the intersection of the up tank circuit
Liquid shunting dashpot A, on each section of the up tank circuit at least provided with one for working solution entry/exit dashpot B and
Commutation control for controlling working solution break-make is switched, and the upper border line of the dashpot B is higher than to be arranged on inside dashpot B
For the end of the vertical pipeline of working solution entry/exit, described commutation control switch is arranged on the connection up tank circuit and descending groove
The end of the vertical pipeline on road, the outside positioned at overlay film, the sidepiece of the cassette matrix be provided be respectively used to connection heating liquid,
Drainage tube, replenisher, most end bag working solution, the interface of abdominal cavity of patients, are provided with dynamic for connecting in the bottom of the cassette matrix
The interface of power pump；Described Power Component includes housing and kinetic pump, is set in the surface of shell mutually be bonded with cassette base bottom
The tank circuit for connecting cassette base bottom interface and kinetic pump is equipped with, the kinetic pump includes kinetic pump A and kinetic pump B, institute
State kinetic pump A and kinetic pump B and do alternately type of respiration motion.
2. peritoneal dialysis instrument according to claim 1, it is characterised in that：Described commutation control switch is direct acting piston type
Bidirectional electromagnetic valve.
3. peritoneal dialysis instrument according to claim 1, it is characterised in that：The kinetic pump A and kinetic pump B is two push-and-pulls
Type syringe pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131582.1A CN104707196B (en) | 2015-03-25 | 2015-03-25 | A kind of peritoneal dialysis instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131582.1A CN104707196B (en) | 2015-03-25 | 2015-03-25 | A kind of peritoneal dialysis instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104707196A CN104707196A (en) | 2015-06-17 |
| CN104707196B true CN104707196B (en) | 2017-07-04 |
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ID=53407235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510131582.1A Expired - Fee Related CN104707196B (en) | 2015-03-25 | 2015-03-25 | A kind of peritoneal dialysis instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104707196B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986776A (en) * | 2007-10-12 | 2011-03-16 | 德卡产品有限公司 | Apparatus and methods for hemodialysis |
| CN102497895A (en) * | 2009-07-15 | 2012-06-13 | 弗雷塞尼斯医疗保健控股公司 | Medical fluid cassettes and related systems and methods |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4411603A (en) * | 1981-06-24 | 1983-10-25 | Cordis Dow Corp. | Diaphragm type blood pump for medical use |
| US7238164B2 (en) * | 2002-07-19 | 2007-07-03 | Baxter International Inc. | Systems, methods and apparatuses for pumping cassette-based therapies |
| US8192401B2 (en) * | 2009-03-20 | 2012-06-05 | Fresenius Medical Care Holdings, Inc. | Medical fluid pump systems and related components and methods |
| AU2012254069B2 (en) * | 2011-04-21 | 2015-10-08 | Fresenius Medical Care Holdings, Inc. | Medical fluid pumping systems and related devices and methods |
-
2015
- 2015-03-25 CN CN201510131582.1A patent/CN104707196B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101986776A (en) * | 2007-10-12 | 2011-03-16 | 德卡产品有限公司 | Apparatus and methods for hemodialysis |
| CN102497895A (en) * | 2009-07-15 | 2012-06-13 | 弗雷塞尼斯医疗保健控股公司 | Medical fluid cassettes and related systems and methods |
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| Publication number | Publication date |
|---|---|
| CN104707196A (en) | 2015-06-17 |
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Granted publication date: 20170704 |