CA2134302A1 - Fluid access and flow control valve - Google Patents

Fluid access and flow control valve

Info

Publication number
CA2134302A1
CA2134302A1 CA002134302A CA2134302A CA2134302A1 CA 2134302 A1 CA2134302 A1 CA 2134302A1 CA 002134302 A CA002134302 A CA 002134302A CA 2134302 A CA2134302 A CA 2134302A CA 2134302 A1 CA2134302 A1 CA 2134302A1
Authority
CA
Canada
Prior art keywords
valve element
rigid members
flow path
control valve
flow control
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.)
Granted
Application number
CA002134302A
Other languages
French (fr)
Other versions
CA2134302C (en
Inventor
Thomas D. Weldon
Charles E. Larsen
Jonathan J. Rosen
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.)
Novoste Corp
Original Assignee
Thomas D. Weldon
Charles E. Larsen
Jonathan J. Rosen
Novoste Corporation
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 Thomas D. Weldon, Charles E. Larsen, Jonathan J. Rosen, Novoste Corporation filed Critical Thomas D. Weldon
Publication of CA2134302A1 publication Critical patent/CA2134302A1/en
Application granted granted Critical
Publication of CA2134302C publication Critical patent/CA2134302C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
    • 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
    • A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate

Abstract

A flow control valve is described comprised of first and second rigid members and a resilient single or multi stage valve element disposed between the rigid members. A
fluid flow path is defined through the rigid members and through or around the valve element to provide a continuous flow path through the valve. The rigid members are movable relative to each other between a first position and a second position. The valve element is sufficiently compressed by the rigid members when they are in the first position so as to close the flow path through or around the valve element. The valve element is sufficiently relaxed when the rigid members are in the second position to allow fluid flow through the flow path through or around the valve element.
CA002134302A 1993-11-19 1994-10-25 Fluid access and flow control valve Expired - Fee Related CA2134302C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/154,944 US5529278A (en) 1993-11-19 1993-11-19 Fluid access and flow control valve
US08/154,944 1993-11-19

Publications (2)

Publication Number Publication Date
CA2134302A1 true CA2134302A1 (en) 1995-05-20
CA2134302C CA2134302C (en) 2004-05-18

Family

ID=22553479

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002134302A Expired - Fee Related CA2134302C (en) 1993-11-19 1994-10-25 Fluid access and flow control valve

Country Status (6)

Country Link
US (3) US5529278A (en)
EP (1) EP0658358B1 (en)
JP (1) JPH07190207A (en)
CA (1) CA2134302C (en)
DE (1) DE69433584T2 (en)
ES (1) ES2218523T3 (en)

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Also Published As

Publication number Publication date
DE69433584T2 (en) 2005-03-03
EP0658358B1 (en) 2004-03-03
CA2134302C (en) 2004-05-18
ES2218523T3 (en) 2004-11-16
EP0658358A1 (en) 1995-06-21
US5462255A (en) 1995-10-31
US5529278A (en) 1996-06-25
US5746414A (en) 1998-05-05
DE69433584D1 (en) 2004-04-08
JPH07190207A (en) 1995-07-28

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