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Expired Canadian patentCanada

Atheroectomy catheter

CA 1288307 C · Owner: Rydell, Mark Anders · Inventors: Rydell, Mark Anders

CIPO record

Overview

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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 atherectomy catheter device for facilitating the restoration of patency to a blood vessel occluded with an atheroma or other similar lesion or thrombus comprising an outer flexible plastic tubular member having a plurality of ports proximate its distal end and concentrically surrounding an inner flexible plastic tubular member having a cutting loop at its distal end. The distal end portion of the inner tubular member is journaled for rotation in the distal end portion (in Zone 22) of the outer tubular member. Means are provided at the proximal end of the catheter assembly for rotatably driving the inner tubular member and the cutting loop thereof while flushing the treatment site 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 September 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 28, 1988
GrantedSeptember 3, 1991
Term endedSeptember 3, 2008
Patent numberCA 1288307 C
Classification (IPC)A61B17/32 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedApril 28, 1988Patent grantedSep 3, 1991Term endedSep 3, 2008

Sources & verification

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