DE69310343T2 - Blutverarbeitungssysteme mit verbesserter ausbeute und methoden zur herstellung von vortexströmungsbedingungen - Google Patents
Blutverarbeitungssysteme mit verbesserter ausbeute und methoden zur herstellung von vortexströmungsbedingungenInfo
- Publication number
- DE69310343T2 DE69310343T2 DE69310343T DE69310343T DE69310343T2 DE 69310343 T2 DE69310343 T2 DE 69310343T2 DE 69310343 T DE69310343 T DE 69310343T DE 69310343 T DE69310343 T DE 69310343T DE 69310343 T2 DE69310343 T2 DE 69310343T2
- Authority
- DE
- Germany
- Prior art keywords
- pretex
- producing
- methods
- processing systems
- flow conditions
- 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.)
- Expired - Lifetime
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
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3693—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits using separation based on different densities of components, e.g. centrifuging
-
- 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
- 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
- A61M1/303—Details having a reservoir for treated blood to be returned
-
- 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
- A61M1/308—Volume control, e.g. with open or flexible containers, by counting the number of pump revolutions, weighing
-
- 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
- A61M1/3693—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits using separation based on different densities of components, e.g. centrifuging
- A61M1/3696—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits using separation based on different densities of components, e.g. centrifuging with means for adding or withdrawing liquid substances during the centrifugation, e.g. continuous centrifugation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0442—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers with means for adding or withdrawing liquid substances during the centrifugation, e.g. continuous centrifugation
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US96507492A | 1992-10-22 | 1992-10-22 | |
PCT/US1993/002858 WO1994008691A1 (en) | 1992-10-22 | 1993-03-23 | Enhanced yield blood processing systems and methods establishing vortex flow conditions |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69310343D1 DE69310343D1 (de) | 1997-06-05 |
DE69310343T2 true DE69310343T2 (de) | 1997-11-13 |
Family
ID=25509399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69310343T Expired - Lifetime DE69310343T2 (de) | 1992-10-22 | 1993-03-23 | Blutverarbeitungssysteme mit verbesserter ausbeute und methoden zur herstellung von vortexströmungsbedingungen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0618832B1 (de) |
JP (1) | JP3252194B2 (de) |
CA (1) | CA2124807C (de) |
DE (1) | DE69310343T2 (de) |
WO (1) | WO1994008691A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5462416A (en) | 1993-12-22 | 1995-10-31 | Baxter International Inc. | Peristaltic pump tube cassette for blood processing systems |
US5529567A (en) | 1994-07-01 | 1996-06-25 | Baxter International Inc. | Blood processing system having spill sensor with fail-safe circuit |
US5704888A (en) * | 1995-04-14 | 1998-01-06 | Cobe Laboratories, Inc. | Intermittent collection of mononuclear cells in a centrifuge apparatus |
US5704889A (en) * | 1995-04-14 | 1998-01-06 | Cobe Laboratories, Inc. | Spillover collection of sparse components such as mononuclear cells in a centrifuge apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4146172A (en) * | 1977-10-18 | 1979-03-27 | Baxter Travenol Laboratories, Inc. | Centrifugal liquid processing system |
US4834890A (en) * | 1987-01-30 | 1989-05-30 | Baxter International Inc. | Centrifugation pheresis system |
US5104526A (en) * | 1987-01-30 | 1992-04-14 | Baxter International Inc. | Centrifugation system having an interface detection system |
-
1993
- 1993-03-23 JP JP50995494A patent/JP3252194B2/ja not_active Expired - Lifetime
- 1993-03-23 EP EP93912087A patent/EP0618832B1/de not_active Expired - Lifetime
- 1993-03-23 CA CA002124807A patent/CA2124807C/en not_active Expired - Fee Related
- 1993-03-23 WO PCT/US1993/002858 patent/WO1994008691A1/en active IP Right Grant
- 1993-03-23 DE DE69310343T patent/DE69310343T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0618832A1 (de) | 1994-10-12 |
DE69310343D1 (de) | 1997-06-05 |
JPH07502448A (ja) | 1995-03-16 |
CA2124807C (en) | 2004-02-10 |
JP3252194B2 (ja) | 2002-01-28 |
CA2124807A1 (en) | 1994-04-28 |
EP0618832A4 (de) | 1995-03-29 |
WO1994008691A1 (en) | 1994-04-28 |
EP0618832B1 (de) | 1997-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8365 | Fully valid after opposition proceedings | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: FENWAL, INC., LAKE ZURICH, ILL., US |