CA2785806C - Detecting blood flow degradation - Google Patents

Detecting blood flow degradation Download PDF

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Publication number
CA2785806C
CA2785806C CA2785806A CA2785806A CA2785806C CA 2785806 C CA2785806 C CA 2785806C CA 2785806 A CA2785806 A CA 2785806A CA 2785806 A CA2785806 A CA 2785806A CA 2785806 C CA2785806 C CA 2785806C
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Canada
Prior art keywords
blood
impedance value
dialysis system
controller
blood flow
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Active
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CA2785806A
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English (en)
French (fr)
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CA2785806A1 (en
Inventor
Michael James Beiriger
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Fresenius Medical Care Holdings Inc
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Fresenius Medical Care Holdings Inc
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Publication of CA2785806A1 publication Critical patent/CA2785806A1/en
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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
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood 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
    • 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
    • A61M1/3607—Regulation parameters
    • A61M1/3609—Physical characteristics of the blood, e.g. haematocrit, urea
    • 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
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • A61M1/3656—Monitoring patency or flow at connection sites; Detecting disconnections
    • 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
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • A61M1/3659—Cannulae pertaining to extracorporeal circulation

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Cardiology (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)
CA2785806A 2009-12-31 2010-11-22 Detecting blood flow degradation Active CA2785806C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/650,745 US8529491B2 (en) 2009-12-31 2009-12-31 Detecting blood flow degradation
US12/650,745 2009-12-31
PCT/US2010/057581 WO2011081740A1 (en) 2009-12-31 2010-11-22 Detecting blood flow degradation

Publications (2)

Publication Number Publication Date
CA2785806A1 CA2785806A1 (en) 2011-07-07
CA2785806C true CA2785806C (en) 2017-10-10

Family

ID=43618316

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2785806A Active CA2785806C (en) 2009-12-31 2010-11-22 Detecting blood flow degradation

Country Status (6)

Country Link
US (1) US8529491B2 (enExample)
EP (2) EP2519275B1 (enExample)
JP (1) JP5841064B2 (enExample)
AU (1) AU2010337269B2 (enExample)
CA (1) CA2785806C (enExample)
WO (1) WO2011081740A1 (enExample)

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Also Published As

Publication number Publication date
EP2529771A2 (en) 2012-12-05
US20110160637A1 (en) 2011-06-30
JP2013516225A (ja) 2013-05-13
CA2785806A1 (en) 2011-07-07
EP2519275A1 (en) 2012-11-07
EP2529771B1 (en) 2020-01-01
JP5841064B2 (ja) 2016-01-06
AU2010337269A1 (en) 2012-07-05
AU2010337269B2 (en) 2014-08-28
WO2011081740A1 (en) 2011-07-07
EP2519275B1 (en) 2020-03-04
US8529491B2 (en) 2013-09-10
EP2529771A3 (en) 2013-02-20

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