CA2473904A1 - Needle free medical connector with expanded valve mechanism and method of fluid flow control - Google Patents

Needle free medical connector with expanded valve mechanism and method of fluid flow control Download PDF

Info

Publication number
CA2473904A1
CA2473904A1 CA002473904A CA2473904A CA2473904A1 CA 2473904 A1 CA2473904 A1 CA 2473904A1 CA 002473904 A CA002473904 A CA 002473904A CA 2473904 A CA2473904 A CA 2473904A CA 2473904 A1 CA2473904 A1 CA 2473904A1
Authority
CA
Canada
Prior art keywords
connector
flow
fluid flow
flow control
medical connector
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
CA002473904A
Other languages
French (fr)
Other versions
CA2473904C (en
Inventor
Karl R. Leinsing
Theodore J. Mosler
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.)
CareFusion 303 Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2473904A1 publication Critical patent/CA2473904A1/en
Application granted granted Critical
Publication of CA2473904C publication Critical patent/CA2473904C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61M2039/262—Valves closing automatically on disconnecting the line and opening on reconnection thereof having a fluid space within the valve remaining the same upon connection and disconnection, i.e. neutral-drawback valve
    • 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 needle free medical connector includes a housing with a first port and a second port. The connector also includes a piston element defining a fluid passageway between the first and second ports. The piston element is movable between flow and non-flow positions. The piston element has a compressible section having a variable inner width that forms a part of the flow path through the connector. As the piston is compressed to the flow position, the compressible section self-expands in width thereby maintaining or increasing the volume of the fluid passageway through the connector. The compressible section has a configuration permitting the continuous flow of fluid through its entirety.
CA002473904A 2001-11-29 2002-11-20 Needle free medical connector with expanded valve mechanism and method of fluid flow control Expired - Lifetime CA2473904C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/998,383 US6802490B2 (en) 2001-11-29 2001-11-29 Needle free medical connector with expanded valve mechanism and method of fluid flow control
US09/998,383 2001-11-29
PCT/US2002/037064 WO2003047681A1 (en) 2001-11-29 2002-11-20 Needle free medical connector with expanded valve mechanism and method of fluid flow control

Publications (2)

Publication Number Publication Date
CA2473904A1 true CA2473904A1 (en) 2003-06-12
CA2473904C CA2473904C (en) 2009-03-03

Family

ID=25545138

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002473904A Expired - Lifetime CA2473904C (en) 2001-11-29 2002-11-20 Needle free medical connector with expanded valve mechanism and method of fluid flow control

Country Status (14)

Country Link
US (3) US6802490B2 (en)
EP (2) EP2269687A2 (en)
JP (1) JP4484518B2 (en)
CN (1) CN100361718C (en)
AU (1) AU2002350208B2 (en)
CA (1) CA2473904C (en)
ES (1) ES2562767T3 (en)
IL (2) IL162215A0 (en)
NO (1) NO20042720D0 (en)
NZ (1) NZ533216A (en)
RU (1) RU2312684C2 (en)
SG (1) SG162612A1 (en)
WO (1) WO2003047681A1 (en)
ZA (1) ZA200404171B (en)

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RU2312684C2 (en) 2007-12-20
CN1596139A (en) 2005-03-16

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