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Expired Canadian patentCanada

Surgical suturing instrument for performing anastomoses between structures of the digestive tract

CA 1192467 A · Owner: Vsesojuzny Nauchno-Issledovatelsky I Ispytatelny Institut Meditsinskoi Tekhniki · Inventors: Kanshin, Nikolai N.; Korolkov, Ivan A.; Utyamyshev, Rustam I.

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

Abstract of the Disclosure An instrument comprising a tubular staple case is disclosed, the case being traversed by a supporting rod extending outwardly therefrom with its front end. The tubular case is used to mount a plunger with a knife arranged on the rod. An abutment head mounted on the front end of the rod is made generally longitudinally detachable consisting of two members, an internal member detachably mounted on the front end of the rod and an external member encompassing the internal member and made up of interdetachable rests. Moreover, provision is made for a staple magazine and a female die with grooves for bending staples as well as a drive imparting motion to the plunger and …

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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 August 27, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.
FiledJanuary 18, 1983
GrantedAugust 27, 1985
Term endedAugust 27, 2002
Patent numberCA 1192467 A
Classification (IPC)A61B17/04 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJan 18, 1983Patent grantedAug 27, 1985Term endedAug 27, 2002

Sources & verification

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