CA2303084A1 - Needleless valve - Google Patents

Needleless valve Download PDF

Info

Publication number
CA2303084A1
CA2303084A1 CA002303084A CA2303084A CA2303084A1 CA 2303084 A1 CA2303084 A1 CA 2303084A1 CA 002303084 A CA002303084 A CA 002303084A CA 2303084 A CA2303084 A CA 2303084A CA 2303084 A1 CA2303084 A1 CA 2303084A1
Authority
CA
Canada
Prior art keywords
valve
plug
fluid
rod
purging
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
CA002303084A
Other languages
French (fr)
Other versions
CA2303084C (en
Inventor
Mark Christopher Doyle
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
Alaris Medical Systems, Inc.
Mark Christopher Doyle
Winfield Medical, Inc.
Maxxim Medical, Inc.
Tiva Medical, Inc.
Cardinal Health 303, Inc.
Carefusion 303, 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 Alaris Medical Systems, Inc., Mark Christopher Doyle, Winfield Medical, Inc., Maxxim Medical, Inc., Tiva Medical, Inc., Cardinal Health 303, Inc., Carefusion 303, Inc. filed Critical Alaris Medical Systems, Inc.
Publication of CA2303084A1 publication Critical patent/CA2303084A1/en
Application granted granted Critical
Publication of CA2303084C publication Critical patent/CA2303084C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/26Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/26Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • A61M2039/262Valves 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/26Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • A61M2039/263Valves closing automatically on disconnecting the line and opening on reconnection thereof where the fluid space within the valve is decreasing upon disconnection
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/26Valves closing automatically on disconnecting the line and opening on reconnection thereof
    • A61M2039/267Valves 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

Abstract

A needleless valve is described which avoids the suctioning problems of the prior needleless devices upon deactivation and which preferably provides a positive self-purging effect, The valve is self-purging at the end of an administration cycle, avoiding clogging of attached catheters or other devices, and ensures that substantially all of liquid received into the valve is delivered to the receiver. The valve is also extremely simple in design and easy to construct and assemble, since it consists of only three pieces. The valve has a base with a connector for fluid communication attachment to tubing or other device, a solid elongated fluid channeling rod, and an internal fluid flow conduit; a flexible hollow expandable and contractible plug fitting over and moveable along the rod; and a tubular housing fitting over the plug and attached to the base. When the valve is activated by insertion of a nozzle of a fluid source, the rod and plug wall cooperate so that as the plug retracts along the rod, it is stretched and its interior expanded. Upon deactivation, the plug contracts, the interior volume decreases, and the resiling plug wall forces residual fluid within the valve to be expelled through the outlet, purging the residual fluid from the valve. No negative pressure is formed, so no suctioning of blood or other fluid from a patient or receiver occurs.
CA002303084A 1997-09-15 1998-08-31 Needleless valve Expired - Lifetime CA2303084C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/929,919 1997-09-15
US08/929,919 US6029946A (en) 1997-09-15 1997-09-15 Needleless valve
PCT/US1998/018068 WO1999013937A2 (en) 1997-09-15 1998-08-31 Needleless valve

Publications (2)

Publication Number Publication Date
CA2303084A1 true CA2303084A1 (en) 1999-03-25
CA2303084C CA2303084C (en) 2008-07-15

Family

ID=25458690

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002303084A Expired - Lifetime CA2303084C (en) 1997-09-15 1998-08-31 Needleless valve

Country Status (18)

Country Link
US (5) US6029946A (en)
EP (1) EP1044033B1 (en)
JP (1) JP4184597B2 (en)
KR (1) KR100540861B1 (en)
CN (1) CN1270533A (en)
AT (1) ATE443536T1 (en)
AU (1) AU747578B2 (en)
BR (1) BR9812460A (en)
CA (1) CA2303084C (en)
CY (1) CY1109674T1 (en)
DE (1) DE69841178D1 (en)
DK (1) DK1044033T3 (en)
ES (1) ES2331939T3 (en)
HK (1) HK1032209A1 (en)
IL (1) IL135057A0 (en)
NZ (2) NZ503168A (en)
PT (1) PT1044033E (en)
WO (1) WO1999013937A2 (en)

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US20050121638A1 (en) 2005-06-09
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US6541802B2 (en) 2003-04-01
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EP1044033B1 (en) 2009-09-23
US6840501B2 (en) 2005-01-11

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