WO2004093937A3 - Dialysis valve and method - Google Patents

Dialysis valve and method Download PDF

Info

Publication number
WO2004093937A3
WO2004093937A3 PCT/US2004/012438 US2004012438W WO2004093937A3 WO 2004093937 A3 WO2004093937 A3 WO 2004093937A3 US 2004012438 W US2004012438 W US 2004012438W WO 2004093937 A3 WO2004093937 A3 WO 2004093937A3
Authority
WO
WIPO (PCT)
Prior art keywords
dialysis
venous side
arterial
blood flow
valve
Prior art date
Application number
PCT/US2004/012438
Other languages
French (fr)
Other versions
WO2004093937A2 (en
Inventor
Timothy J Claude
Edward A Barlow
David W Hunter
Michael S Rosenberg
Original Assignee
Interrad Medical Inc
Timothy J Claude
Edward A Barlow
David W Hunter
Michael S Rosenberg
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 US10/497,137 priority Critical patent/US7540859B2/en
Priority to AT04750476T priority patent/ATE511875T1/en
Priority to EP04750476A priority patent/EP1622657B1/en
Application filed by Interrad Medical Inc, Timothy J Claude, Edward A Barlow, David W Hunter, Michael S Rosenberg filed Critical Interrad Medical Inc
Publication of WO2004093937A2 publication Critical patent/WO2004093937A2/en
Publication of WO2004093937A3 publication Critical patent/WO2004093937A3/en
Priority to US12/431,101 priority patent/US7811264B2/en
Priority to US12/877,806 priority patent/US8012134B2/en
Priority to US13/204,445 priority patent/US8628502B2/en
Priority to US14/153,563 priority patent/US9295774B2/en
Priority to US15/046,070 priority patent/US10046103B2/en
Priority to US16/050,414 priority patent/US10850021B2/en
Priority to US17/106,981 priority patent/US11690945B2/en

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
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • A61M1/3655—Arterio-venous shunts or fistulae
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • 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
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A61M2205/0266—Shape memory materials
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/227—Valves actuated by a secondary fluid, e.g. hydraulically or pneumatically actuated valves
    • A61M39/228—Valves actuated by a secondary fluid, e.g. hydraulically or pneumatically actuated valves with a tubular diaphragm constrictable by radial fluid force

Abstract

A dialysis valve includes a tube attached between an artery and a vein which, when elongated, simultaneously narrows in diameter at at least one location. The narrowed portion of the tube decreases the volume and velocity between the arterial and venous side of the patient to prevent damage or intimal hyperplasia on the venous side between dialysis treatments. When the valve is opened for dialysis, an unrestricted blood flow exists between the arterial and venous side, permitting a controlled, open blood flow during dialysis.
PCT/US2004/012438 2003-04-23 2004-04-22 Dialysis valve and method WO2004093937A2 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US10/497,137 US7540859B2 (en) 2003-04-23 2004-04-22 Dialysis valve and method
AT04750476T ATE511875T1 (en) 2003-04-23 2004-04-22 DIALYSE VALVE
EP04750476A EP1622657B1 (en) 2003-04-23 2004-04-22 Dialysis valve
US12/431,101 US7811264B2 (en) 2003-04-23 2009-04-28 Dialysis valve and method
US12/877,806 US8012134B2 (en) 2003-04-23 2010-09-08 Dialysis valve and method
US13/204,445 US8628502B2 (en) 2003-04-23 2011-08-05 Dialysis valve and method
US14/153,563 US9295774B2 (en) 2003-04-23 2014-01-13 Dialysis valve and method
US15/046,070 US10046103B2 (en) 2003-04-23 2016-02-17 Dialysis valve and method
US16/050,414 US10850021B2 (en) 2003-04-23 2018-07-31 Dialysis valve and method
US17/106,981 US11690945B2 (en) 2003-04-23 2020-11-30 Dialysis valve and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46477803P 2003-04-23 2003-04-23
US60/464,778 2003-04-23

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US10/497,137 A-371-Of-International US7540859B2 (en) 2003-04-23 2004-04-22 Dialysis valve and method
US10/497,137 Continuation US7540859B2 (en) 2003-04-23 2004-04-22 Dialysis valve and method
US12/431,101 Continuation US7811264B2 (en) 2003-04-23 2009-04-28 Dialysis valve and method

Publications (2)

Publication Number Publication Date
WO2004093937A2 WO2004093937A2 (en) 2004-11-04
WO2004093937A3 true WO2004093937A3 (en) 2006-08-31

Family

ID=33310951

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/012438 WO2004093937A2 (en) 2003-04-23 2004-04-22 Dialysis valve and method

Country Status (4)

Country Link
US (8) US7540859B2 (en)
EP (1) EP1622657B1 (en)
AT (1) ATE511875T1 (en)
WO (1) WO2004093937A2 (en)

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Also Published As

Publication number Publication date
US20210077705A1 (en) 2021-03-18
US10850021B2 (en) 2020-12-01
US20090209921A1 (en) 2009-08-20
EP1622657A4 (en) 2009-07-15
US8012134B2 (en) 2011-09-06
US8628502B2 (en) 2014-01-14
US11690945B2 (en) 2023-07-04
US20100331757A1 (en) 2010-12-30
US20180333529A1 (en) 2018-11-22
ATE511875T1 (en) 2011-06-15
US20140128794A1 (en) 2014-05-08
US20050038396A1 (en) 2005-02-17
US20110288495A1 (en) 2011-11-24
US7811264B2 (en) 2010-10-12
EP1622657B1 (en) 2011-06-08
US9295774B2 (en) 2016-03-29
US7540859B2 (en) 2009-06-02
US10046103B2 (en) 2018-08-14
US20160158432A1 (en) 2016-06-09
EP1622657A2 (en) 2006-02-08
WO2004093937A2 (en) 2004-11-04

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