CA2005465A1 - Fluid flow control apparatus - Google Patents
Fluid flow control apparatusInfo
- Publication number
- CA2005465A1 CA2005465A1 CA002005465A CA2005465A CA2005465A1 CA 2005465 A1 CA2005465 A1 CA 2005465A1 CA 002005465 A CA002005465 A CA 002005465A CA 2005465 A CA2005465 A CA 2005465A CA 2005465 A1 CA2005465 A1 CA 2005465A1
- Authority
- CA
- Canada
- Prior art keywords
- fluid
- control apparatus
- flow control
- pressure
- conduit
- 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.)
- Abandoned
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 109
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 239000008280 blood Substances 0.000 claims description 36
- 210000004369 blood Anatomy 0.000 claims description 36
- 238000012544 monitoring process Methods 0.000 claims description 17
- 238000010926 purge Methods 0.000 claims description 14
- 238000000502 dialysis Methods 0.000 claims description 8
- 230000002572 peristaltic effect Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 230000037361 pathway Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 claims 3
- 238000005070 sampling Methods 0.000 claims 2
- 230000017531 blood circulation Effects 0.000 claims 1
- 239000012141 concentrate Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 150000002500 ions Chemical class 0.000 description 18
- 239000012528 membrane Substances 0.000 description 7
- XDXHAEQXIBQUEZ-UHFFFAOYSA-N Ropinirole hydrochloride Chemical compound Cl.CCCN(CCC)CCC1=CC=CC2=C1CC(=O)N2 XDXHAEQXIBQUEZ-UHFFFAOYSA-N 0.000 description 3
- 241001249696 Senna alexandrina Species 0.000 description 3
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- ZFXYFBGIUFBOJW-UHFFFAOYSA-N theophylline Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC=N2 ZFXYFBGIUFBOJW-UHFFFAOYSA-N 0.000 description 2
- WLNBMPZUVDTASE-HXIISURNSA-N (2r,3r,4s,5r)-2-amino-3,4,5,6-tetrahydroxyhexanal;sulfuric acid Chemical compound [O-]S([O-])(=O)=O.O=C[C@H]([NH3+])[C@@H](O)[C@H](O)[C@H](O)CO.O=C[C@H]([NH3+])[C@@H](O)[C@H](O)[C@H](O)CO WLNBMPZUVDTASE-HXIISURNSA-N 0.000 description 1
- 244000118350 Andrographis paniculata Species 0.000 description 1
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 240000007681 Catha edulis Species 0.000 description 1
- 235000006696 Catha edulis Nutrition 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- 241000973252 Diagramma Species 0.000 description 1
- 235000019227 E-number Nutrition 0.000 description 1
- 239000004243 E-number Substances 0.000 description 1
- 241000448280 Elates Species 0.000 description 1
- 244000131360 Morinda citrifolia Species 0.000 description 1
- 241001354782 Nitor Species 0.000 description 1
- 101150014691 PPARA gene Proteins 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 241000428533 Rhis Species 0.000 description 1
- 241000283984 Rodentia Species 0.000 description 1
- 241000011102 Thera Species 0.000 description 1
- 239000013060 biological fluid Substances 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- SVIFGEVWHFNGCZ-UHFFFAOYSA-N n-[2-[di(propan-2-yl)amino]ethyl]-2-(2-oxopyrrolidin-1-yl)acetamide;hydron;chloride Chemical compound Cl.CC(C)N(C(C)C)CCNC(=O)CN1CCCC1=O SVIFGEVWHFNGCZ-UHFFFAOYSA-N 0.000 description 1
- 235000017524 noni Nutrition 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- NXLOLUFNDSBYTP-UHFFFAOYSA-N retene Chemical compound C1=CC=C2C3=CC=C(C(C)C)C=C3C=CC2=C1C NXLOLUFNDSBYTP-UHFFFAOYSA-N 0.000 description 1
- 229940081330 tena Drugs 0.000 description 1
- VLPFTAMPNXLGLX-UHFFFAOYSA-N trioctanoin Chemical compound CCCCCCCC(=O)OCC(OC(=O)CCCCCCC)COC(=O)CCCCCCC VLPFTAMPNXLGLX-UHFFFAOYSA-N 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- -1 ~or example Substances 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
- A61M1/36—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
- A61M1/3663—Flow rate transducers; Flow integrators
-
- 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
- A61M1/30—Single needle dialysis ; Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for hemofiltration or pheresis
- A61M1/301—Details
- A61M1/305—Control of inversion point between collection and re-infusion phase
- A61M1/306—Pressure control, e.g. using substantially rigid closed or gas buffered or elastic reservoirs
-
- 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
- A61M1/30—Single needle dialysis ; Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for hemofiltration or pheresis
- A61M1/301—Details
- A61M1/309—Details with trans-membrane pressure [TMP] increasing substantially continuously during arterial phase
-
- 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
- A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
- A61M1/36222—Details related to the interface between cassette and machine
-
- 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
- A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
- A61M1/36224—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit with sensing means or components thereof
-
- 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
- A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
- A61M1/36225—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit with blood pumping means or components thereof
-
- 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
- A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
- A61M1/36226—Constructional details of cassettes, e.g. specific details on material or shape
-
- 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
- A61M1/3622—Extra-corporeal blood circuits with a cassette forming partially or totally the blood circuit
- A61M1/36226—Constructional details of cassettes, e.g. specific details on material or shape
- A61M1/362263—Details of incorporated filters
- A61M1/362264—Details of incorporated filters the filter being a blood filter
-
- 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
- A61M1/30—Single needle dialysis ; Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for hemofiltration or pheresis
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
- A61M2205/128—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit with incorporated valves
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Urology & Nephrology (AREA)
- Emergency Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- External Artificial Organs (AREA)
- Flow Control (AREA)
- Reciprocating Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8829311.6 | 1988-12-13 | ||
| GB888829311A GB8829311D0 (en) | 1988-12-13 | 1988-12-13 | Fluid flow control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2005465A1 true CA2005465A1 (en) | 1990-06-13 |
Family
ID=10648559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002005465A Abandoned CA2005465A1 (en) | 1988-12-13 | 1989-12-13 | Fluid flow control apparatus |
Country Status (11)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9303319D0 (sv) * | 1993-10-11 | 1993-10-11 | Gambro Ab | Sätt att beräkna och/eller styra flöder under en viss tidsperiod genom en peristaltisk pump samt en monitor anpassad för utövning av detta sätt |
| SE9402720D0 (sv) * | 1994-08-15 | 1994-08-15 | Gambro Ab | Insats för tryckgivare |
| RU2118178C1 (ru) * | 1997-06-03 | 1998-08-27 | Акционерное общество закрытого типа "Новатор" | Устройство для очистки биологических жидкостей |
| ITTO20011222A1 (it) | 2001-12-27 | 2003-06-27 | Gambro Lundia Ab | Apparecchiatura per il controllo di flusso sanguigno in un circuito-extracorporeo di sangue. |
| DE102015102658A1 (de) * | 2015-02-25 | 2016-08-25 | B. Braun Avitum Ag | Gehäusefrontintegrierte Blutpumpe |
| CN113289361A (zh) * | 2015-12-24 | 2021-08-24 | 埃伦医疗器械有限公司 | 治疗流体制备系统 |
| US11071651B2 (en) * | 2017-12-20 | 2021-07-27 | Kci Licensing, Inc. | Combination hanger arm extension and pump cover for a wound therapy device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3774762A (en) * | 1971-01-20 | 1973-11-27 | E Lichtenstein | Analogue fluid flow programming structures |
| US4226751A (en) * | 1977-11-29 | 1980-10-07 | Exxon Research & Engineering Co. | Fibers of ionic thermoplastic polymers |
| US4187057A (en) * | 1978-01-11 | 1980-02-05 | Stewart-Naumann Laboratories, Inc. | Peristaltic infusion pump and disposable cassette for use therewith |
| US4537561A (en) * | 1983-02-24 | 1985-08-27 | Medical Technology, Ltd. | Peristaltic infusion pump and disposable cassette for use therewith |
-
1988
- 1988-12-13 GB GB888829311A patent/GB8829311D0/en active Pending
-
1989
- 1989-12-13 BR BR898907820A patent/BR8907820A/pt unknown
- 1989-12-13 CA CA002005465A patent/CA2005465A1/en not_active Abandoned
- 1989-12-13 DD DD89335627A patent/DD293964A5/de not_active IP Right Cessation
- 1989-12-13 JP JP2501122A patent/JPH04506462A/ja active Pending
- 1989-12-13 WO PCT/GB1989/001486 patent/WO1990006781A1/en active IP Right Grant
- 1989-12-13 ES ES90900286T patent/ES2050423T3/es not_active Expired - Lifetime
- 1989-12-13 DE DE90900286T patent/DE68913759D1/de not_active Expired - Lifetime
- 1989-12-13 AU AU47577/90A patent/AU4757790A/en not_active Abandoned
- 1989-12-18 IN IN930MA1989 patent/IN174900B/en unknown
-
1990
- 1990-01-04 EP EP90900286A patent/EP0448592B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU4757790A (en) | 1990-07-10 |
| DD293964A5 (de) | 1991-09-19 |
| BR8907820A (pt) | 1991-10-22 |
| DE68913759D1 (de) | 1994-04-14 |
| EP0448592A1 (en) | 1991-10-02 |
| ES2050423T3 (es) | 1994-05-16 |
| EP0448592B1 (en) | 1994-03-09 |
| WO1990006781A1 (en) | 1990-06-28 |
| GB8829311D0 (en) | 1989-01-25 |
| IN174900B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1995-04-01 |
| JPH04506462A (ja) | 1992-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |