DE69633876D1 - Systeme und Methoden zur Trennung von Erythrocyten - Google Patents

Systeme und Methoden zur Trennung von Erythrocyten

Info

Publication number
DE69633876D1
DE69633876D1 DE69633876T DE69633876T DE69633876D1 DE 69633876 D1 DE69633876 D1 DE 69633876D1 DE 69633876 T DE69633876 T DE 69633876T DE 69633876 T DE69633876 T DE 69633876T DE 69633876 D1 DE69633876 D1 DE 69633876D1
Authority
DE
Germany
Prior art keywords
separation
erythrocytes
systems
methods
dextrose
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
Application number
DE69633876T
Other languages
English (en)
Other versions
DE69633876T2 (de
Inventor
Jose Deniega
Daniel Duff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fenwal Inc
Original Assignee
Baxter International Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baxter International Inc filed Critical Baxter International Inc
Application granted granted Critical
Publication of DE69633876D1 publication Critical patent/DE69633876D1/de
Publication of DE69633876T2 publication Critical patent/DE69633876T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61M1/30—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
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/26—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes and internal elements which are moving
    • A61M1/262—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes and internal elements which are moving rotating
    • A61M1/265—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes and internal elements which are moving rotating inducing Taylor vortices
    • 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
    • A61M1/306—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
    • A61M1/305—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
    • A61M1/14—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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3393—Masses, volumes, levels of fluids in reservoirs, flow rates by weighing the reservoir
    • 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
    • A61M2209/00—Ancillary equipment
    • A61M2209/08—Supports for equipment
    • A61M2209/082—Mounting brackets, arm supports for equipment
DE69633876T 1995-08-09 1996-05-22 Systeme und Methoden zur Trennung von Erythrocyten Expired - Lifetime DE69633876T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US512807 1995-08-09
US08/512,807 US5762791A (en) 1995-08-09 1995-08-09 Systems for separating high hematocrit red blood cell concentrations

Publications (2)

Publication Number Publication Date
DE69633876D1 true DE69633876D1 (de) 2004-12-23
DE69633876T2 DE69633876T2 (de) 2005-11-03

Family

ID=24040661

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69633876T Expired - Lifetime DE69633876T2 (de) 1995-08-09 1996-05-22 Systeme und Methoden zur Trennung von Erythrocyten
DE69629657T Expired - Fee Related DE69629657T2 (de) 1995-08-09 1996-05-22 System und methode zur trennung von erythrocyten

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69629657T Expired - Fee Related DE69629657T2 (de) 1995-08-09 1996-05-22 System und methode zur trennung von erythrocyten

Country Status (9)

Country Link
US (2) US5762791A (de)
EP (2) EP0784496B1 (de)
JP (1) JPH10507395A (de)
AT (2) ATE248011T1 (de)
AU (1) AU5932896A (de)
CA (1) CA2198696C (de)
DE (2) DE69633876T2 (de)
NO (1) NO971602L (de)
WO (1) WO1997005938A1 (de)

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ATE282442T1 (de) 2004-12-15
EP0784496B1 (de) 2003-08-27
DE69633876T2 (de) 2005-11-03
US5762791A (en) 1998-06-09
ATE248011T1 (de) 2003-09-15
AU5932896A (en) 1997-03-05
NO971602D0 (no) 1997-04-08
EP0784496A4 (de) 2000-07-26
WO1997005938A1 (en) 1997-02-20
EP0997158B1 (de) 2004-11-17
NO971602L (no) 1997-06-05
DE69629657D1 (de) 2003-10-02
DE69629657T2 (de) 2004-06-09
EP0997158A2 (de) 2000-05-03
CA2198696C (en) 2006-05-16
EP0784496A1 (de) 1997-07-23
EP0997158A3 (de) 2000-05-31
CA2198696A1 (en) 1997-02-20
JPH10507395A (ja) 1998-07-21
US6080322A (en) 2000-06-27

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