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Expired Canadian patentCanada

Surgical stapler apparatus with flexible shaft

CA 1195580 A · Owner: United States Surgical Corporation · Inventors: Swiggett, Brian E.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An apparatus for applying surgical fasteners has an applicator mechanism, with an anvil for applying the fasteners to tissue and a shaft connecting the applicator mechanism to an actuator mechanism. The shaft is flexible to bend during insertion into a body channel to conform to the configuration of the body channel and is capable of retaining said configuration during actuation. The shaft transmits a first, relatively small force from said actuator mechanism to the applicator mechanism hydraulically, and comprises a first sleeve within a second sleeve. The actuator mechanism comprising a slide secured to the first sleeve for moving the anvil. Responsive to the first force the applicator …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted October 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 27, 1983
GrantedOctober 22, 1985
Term endedOctober 22, 2002
Patent numberCA 1195580 A
Classification (IPC)A61B17/04 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedMay 27, 1983Patent grantedOct 22, 1985Term endedOct 22, 2002

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.