CA2154125A1 - Valve System for Cannula Assembly - Google Patents

Valve System for Cannula Assembly

Info

Publication number
CA2154125A1
CA2154125A1 CA2154125A CA2154125A CA2154125A1 CA 2154125 A1 CA2154125 A1 CA 2154125A1 CA 2154125 A CA2154125 A CA 2154125A CA 2154125 A CA2154125 A CA 2154125A CA 2154125 A1 CA2154125 A1 CA 2154125A1
Authority
CA
Canada
Prior art keywords
aperture
elongated
valve body
guard member
defining
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
CA2154125A
Other languages
French (fr)
Other versions
CA2154125C (en
Inventor
Robert C. Smith
Peter W. J. Hinchliffe
James Correia
Martin J. Nohilly
Kurt Azarbarzin
Richard D. Gresham
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.)
United States Surgical Corp
Original Assignee
United States Surgical Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23102708&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2154125(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by United States Surgical Corp filed Critical United States Surgical Corp
Publication of CA2154125A1 publication Critical patent/CA2154125A1/en
Application granted granted Critical
Publication of CA2154125C publication Critical patent/CA2154125C/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
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A61M39/0693—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof including means for seal penetration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • 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
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • A61B2017/3464—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers

Abstract

Valve assembly for sealed reception of an elongated object includes a valve body having at least one opening configured and dimensioned to permit entry of an elongated object and defining a central longitudinal axis, an elongated seal member formed of a resilient material and defining an aperture in general alignment with the opening of the valve body whereby the aperture is configured and dimensioned such that insertion of the object into the aperture causes the resilient material defining the aperture to resiliently engage the outer surface of the object in a substantially fluid flight manner, and at least one elongated guard member disposed within the seal member in supporting contact with the inner surface thereof. The guard member is positioned to engage the elongated object upon at least partial insertion of the elongated object into the valve body. The guard member includes at least a first substantially rigid portion adapted to be displaced relative to the longitudinal axis to facilitate expansion of the aperture of the seal member upon entry of the object therein and a second portion having less rigidity than the first portion of the guard member to enhance passage of the elongated object through the valve body.
CA002154125A 1994-08-08 1995-07-18 Valve system for cannula assembly Expired - Lifetime CA2154125C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/287,395 US5603702A (en) 1994-08-08 1994-08-08 Valve system for cannula assembly
US08/287,395 1994-08-08

Publications (2)

Publication Number Publication Date
CA2154125A1 true CA2154125A1 (en) 1996-02-09
CA2154125C CA2154125C (en) 2000-11-28

Family

ID=23102708

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002154125A Expired - Lifetime CA2154125C (en) 1994-08-08 1995-07-18 Valve system for cannula assembly

Country Status (7)

Country Link
US (2) US5603702A (en)
EP (1) EP0696459B1 (en)
JP (6) JP4068170B2 (en)
AU (1) AU692275B2 (en)
CA (1) CA2154125C (en)
DE (1) DE69505750T2 (en)
ES (1) ES2123192T3 (en)

Families Citing this family (288)

* Cited by examiner, † Cited by third party
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US5895377A (en) 1999-04-20
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AU692275B2 (en) 1998-06-04
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US5603702A (en) 1997-02-18
CA2154125C (en) 2000-11-28

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