WO2002034326A3 - Anti-drawback medical valve - Google Patents

Anti-drawback medical valve Download PDF

Info

Publication number
WO2002034326A3
WO2002034326A3 PCT/US2001/047531 US0147531W WO0234326A3 WO 2002034326 A3 WO2002034326 A3 WO 2002034326A3 US 0147531 W US0147531 W US 0147531W WO 0234326 A3 WO0234326 A3 WO 0234326A3
Authority
WO
WIPO (PCT)
Prior art keywords
valve
volume
translating member
variable volume
enlarges
Prior art date
Application number
PCT/US2001/047531
Other languages
French (fr)
Other versions
WO2002034326A2 (en
Inventor
Brian L Newton
Andrew L Cote Sr
Charles F Ganem
Scott Castanon
Original Assignee
Nypro 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 Nypro Inc filed Critical Nypro Inc
Priority to AU2002220268A priority Critical patent/AU2002220268A1/en
Publication of WO2002034326A2 publication Critical patent/WO2002034326A2/en
Publication of WO2002034326A3 publication Critical patent/WO2002034326A3/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
    • 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
    • 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
    • A61M2039/263—Valves closing automatically on disconnecting the line and opening on reconnection thereof where the fluid space within the valve is decreasing upon disconnection
    • 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
    • A61M2039/266—Valves closing automatically on disconnecting the line and opening on reconnection thereof where the valve comprises venting channels, e.g. to insure better connection, to help decreasing the fluid space upon disconnection, or to help the fluid space to remain the same during disconnection
    • 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
    • A61M2039/267—Valves closing automatically on disconnecting the line and opening on reconnection thereof having a sealing sleeve around a tubular or solid stem portion of the connector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S604/00—Surgery
    • Y10S604/905—Aseptic connectors or couplings, e.g. frangible, piercable

Abstract

A medical valve has a translating member (40) that enlarges the volume of the interior of the valve when the valve is in an open mode (permitting fluid flow), and decreases the volume of the interior when the valve is in a closed mode (preventing fluid flow). This varying volume should substantially eliminate drawback into the valve. To that end, the valve includes a housing (18, 20) having an inlet (12) and an outlet (16), and a fluid channel (34) extending between the inlet and the outlet. The fluid channel includes a variable volume region (38). The valve further includes the above noted translating member (40), which is secured to the housing and at least partly bounds the variable volume region (38). The translating member has at least a portion that moves distally when the valve transitions from the closed mode to the open mode. The distal movement of the translating member enlarges the volume on the variable volume region.
PCT/US2001/047531 2000-10-23 2001-10-22 Anti-drawback medical valve WO2002034326A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002220268A AU2002220268A1 (en) 2000-10-23 2001-10-22 Anti-drawback medical valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24252100P 2000-10-23 2000-10-23
US60/242,521 2000-10-23

Publications (2)

Publication Number Publication Date
WO2002034326A2 WO2002034326A2 (en) 2002-05-02
WO2002034326A3 true WO2002034326A3 (en) 2002-10-10

Family

ID=22915100

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/047531 WO2002034326A2 (en) 2000-10-23 2001-10-22 Anti-drawback medical valve

Country Status (3)

Country Link
US (2) US6755391B2 (en)
AU (1) AU2002220268A1 (en)
WO (1) WO2002034326A2 (en)

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US20040206924A1 (en) 2004-10-21
US7014169B2 (en) 2006-03-21
US20020153503A1 (en) 2002-10-24
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US6755391B2 (en) 2004-06-29
AU2002220268A1 (en) 2002-05-06

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