AT248011T - System and method for separation of erythrocytes - Google Patents

System and method for separation of erythrocytes

Info

Publication number
AT248011T
AT248011T AT96916645T AT96916645T AT248011T AT 248011 T AT248011 T AT 248011T AT 96916645 T AT96916645 T AT 96916645T AT 96916645 T AT96916645 T AT 96916645T AT 248011 T AT248011 T AT 248011T
Authority
AT
Austria
Prior art keywords
erythrocytes
separation
system
method
Prior art date
Application number
AT96916645T
Other languages
German (de)
Inventor
Jose C Deniega
Daniel H Duff
Original Assignee
Baxter Int
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
Priority to US08/512,807 priority Critical patent/US5762791A/en
Application filed by Baxter Int filed Critical Baxter Int
Priority to PCT/US1996/007717 priority patent/WO1997005938A1/en
Publication of AT248011T publication Critical patent/AT248011T/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris
    • A61M1/30Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for haemofiltration, pheresis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris
    • A61M1/16Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris with membranes
    • A61M1/26Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris with membranes and internal elements which are moving
    • A61M1/262Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris with membranes and internal elements which are moving rotating
    • A61M1/265Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris with membranes and internal elements which are moving rotating inducing TAYLOR vortices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris
    • A61M1/30Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for haemofiltration, pheresis
    • A61M1/301Details
    • A61M1/303Details having a reservoir for treated blood to be returned
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris
    • A61M1/30Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for haemofiltration, pheresis
    • A61M1/301Details
    • A61M1/305Control of inversion point between collection and re-infusion phase
    • A61M1/306Pressure control, e.g. using substantially rigid closed, gas buffered or elastic reservoirs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris
    • A61M1/30Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for haemofiltration, pheresis
    • A61M1/301Details
    • A61M1/305Control of inversion point between collection and re-infusion phase
    • A61M1/308Volume control, e.g. with open or flexible containers, by counting the number of pump revolutions, weighing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14Dialysis systems; Artificial kidneys; Blood oxygenators; Reciprocating systems for treatment of body fluids, e.g. single needle systems for haemofiltration, pheris
    • A61M1/30Reciprocating systems, alternately withdrawing blood from and returning it to the patient, e.g. single-lumen-needle dialysis or single needle systems for haemofiltration, pheresis
    • A61M1/301Details
    • A61M1/309Details with trans-membrane pressure [TMP] increasing substantially continuously during arterial phase
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3379Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3393Masses, volumes, levels of fluids in reservoirs, flow rates by weighing the reservoir
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2209/00Ancillary equipment
    • A61M2209/08Supports for equipment
    • A61M2209/082Mounting brackets, arm supports for equipment
AT96916645T 1995-08-09 1996-05-22 System and method for separation of erythrocytes AT248011T (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08/512,807 US5762791A (en) 1995-08-09 1995-08-09 Systems for separating high hematocrit red blood cell concentrations
PCT/US1996/007717 WO1997005938A1 (en) 1995-08-09 1996-05-22 Systems and methods for separating erythrocytes

Publications (1)

Publication Number Publication Date
AT248011T true AT248011T (en) 2003-09-15

Family

ID=24040661

Family Applications (2)

Application Number Title Priority Date Filing Date
AT96916645T AT248011T (en) 1995-08-09 1996-05-22 System and method for separation of erythrocytes
AT00200426T AT282442T (en) 1995-08-09 1996-05-22 Systems and methods for separation of erythrocytes

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT00200426T AT282442T (en) 1995-08-09 1996-05-22 Systems and methods for separation of erythrocytes

Country Status (9)

Country Link
US (2) US5762791A (en)
EP (2) EP0784496B1 (en)
JP (1) JPH10507395A (en)
AT (2) AT248011T (en)
AU (1) AU5932896A (en)
CA (1) CA2198696C (en)
DE (4) DE69633876D1 (en)
NO (1) NO971602L (en)
WO (1) WO1997005938A1 (en)

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Also Published As

Publication number Publication date
DE69629657T2 (en) 2004-06-09
EP0997158A3 (en) 2000-05-31
US6080322A (en) 2000-06-27
WO1997005938A1 (en) 1997-02-20
EP0784496A1 (en) 1997-07-23
US5762791A (en) 1998-06-09
DE69633876D1 (en) 2004-12-23
CA2198696C (en) 2006-05-16
CA2198696A1 (en) 1997-02-20
DE69629657D1 (en) 2003-10-02
NO971602D0 (en) 1997-04-08
EP0997158B1 (en) 2004-11-17
AU5932896A (en) 1997-03-05
NO971602L (en) 1997-06-05
AT282442T (en) 2004-12-15
DE69633876T2 (en) 2005-11-03
JPH10507395A (en) 1998-07-21
EP0997158A2 (en) 2000-05-03
EP0784496B1 (en) 2003-08-27
EP0784496A4 (en) 2000-07-26

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