CA2057561A1 - Apparatus and method for a combination valve - Google Patents

Apparatus and method for a combination valve

Info

Publication number
CA2057561A1
CA2057561A1 CA2057561A CA2057561A CA2057561A1 CA 2057561 A1 CA2057561 A1 CA 2057561A1 CA 2057561 A CA2057561 A CA 2057561A CA 2057561 A CA2057561 A CA 2057561A CA 2057561 A1 CA2057561 A1 CA 2057561A1
Authority
CA
Canada
Prior art keywords
main channel
side port
flow
adapter
axis
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
CA2057561A
Other languages
French (fr)
Other versions
CA2057561C (en
Inventor
Gerald H. Peterson
Wallace H. Ring
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.)
Becton Dickinson and Co
Original Assignee
Becton Dickinson and Co
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 Becton Dickinson and Co filed Critical Becton Dickinson and Co
Publication of CA2057561A1 publication Critical patent/CA2057561A1/en
Application granted granted Critical
Publication of CA2057561C publication Critical patent/CA2057561C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61M39/02—Access sites
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • A61M25/0075—Valve means
    • A61M2025/0076—Unidirectional 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • A61M25/0075—Valve means
    • A61M2025/0076—Unidirectional valves
    • A61M2025/0078—Unidirectional valves for fluid inflow from the body into the catheter lumen
    • 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
    • A61M39/24—Check- or non-return valves

Abstract

A combination valve in a side port adapter prevents back flow through the side port and through a main channel has an adapter with a main channel along an axis thereof.
The adapter has a side port that intersects with the main channel for flow therethrough. A resilient member with a passage therethrough has therein a check valve located normal to the axis and across the passage. The check valve opens with flow along the axis in a direction and closes to flow in an opposite direction. The resilient member normally closes the intersection until the member deflects when fluid pressure within the side port exceeds its resiliency. The check valve is a web across the passage with a slit that is normally closed. The web shape is a duck bill. The main channel has an inlet and an outlet positioned along the axis. The outlet can be connected for fluid tight communication to a catheter or other fluid line. The inlet is in fluid communication with a fluid supply to provide flow through the main channel to the outlet. The resilient member and the main channel have a cylindrical shape of a circular cross section. The resilient member has an edge at a distal end thereof. The adapter has an annular shoulder within the main channel distal along the axis and relative to the side port to locate the edge. A method has the steps of providing an adapter with a main channel and a side port, placing a resilient member having a passage therethrough in the main channel to prevent flow from the main channel to the side port and providing a duck bill check valve in the passage to permit flow through the main channel in one direction and prevent flow in the opposite direction. The valve and adapter are packed and sterilized.
CA002057561A 1991-01-31 1991-12-12 Apparatus and method for a combination valve Expired - Fee Related CA2057561C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US648,799 1991-01-31
US07/648,799 US5098405A (en) 1991-01-31 1991-01-31 Apparatus and method for a side port cathether adapter with a one piece integral combination valve

Publications (2)

Publication Number Publication Date
CA2057561A1 true CA2057561A1 (en) 1992-08-01
CA2057561C CA2057561C (en) 1994-11-01

Family

ID=24602292

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002057561A Expired - Fee Related CA2057561C (en) 1991-01-31 1991-12-12 Apparatus and method for a combination valve

Country Status (10)

Country Link
US (1) US5098405A (en)
EP (1) EP0497576B1 (en)
JP (1) JPH0626582B2 (en)
AT (1) ATE135241T1 (en)
AU (1) AU637761B2 (en)
CA (1) CA2057561C (en)
DE (1) DE69208904T2 (en)
ES (1) ES2087443T3 (en)
NO (1) NO914876L (en)
NZ (1) NZ240832A (en)

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ES2087443T3 (en) 1996-07-16
US5098405A (en) 1992-03-24
JPH0626582B2 (en) 1994-04-13
EP0497576B1 (en) 1996-03-13
NZ240832A (en) 1994-10-26
AU637761B2 (en) 1993-06-03
ATE135241T1 (en) 1996-03-15
DE69208904D1 (en) 1996-04-18
DE69208904T2 (en) 1996-10-02
AU8960891A (en) 1992-08-06
NO914876D0 (en) 1991-12-11
CA2057561C (en) 1994-11-01
NO914876L (en) 1992-08-03
JPH04303462A (en) 1992-10-27
EP0497576A1 (en) 1992-08-05

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