Patent Yard Sign in
Expired Canadian patentCanada

Laser operating device for intravascular surgery

CA 1322030 C · Owner: Kanazawa, Shin-Ichi · Inventors: Niwa, Shin-Ichiro; Sogawa, Ichiro; Yotsuya, Koro

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Abstract, The present invention is directed to an intravascular laser operating device comprising a catheter having endoscopic fibers for the endoscopy of a diseased part in a vital blood vessel, laser light projecting fibers projecting the laser light to the diseased part and balloons attached to a blood removing transparent drug liquid passage path and to the tip portion, and a laser device properly driven and controlled depending on the information from the image diagnosis device so as to generate the laser light, so that there is no need to replace the fibers and the treatment can be advanced while observing the diagnosis condition at all times. Harmful influences on the tissue due to …

Read the whole patent

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 7, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 7, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 22, 1989
GrantedSeptember 7, 1993
Term endedSeptember 7, 2010
Patent numberCA 1322030 C
Classification (IPC)A61N5/06 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedAug 22, 1989Patent grantedSep 7, 1993Term endedSep 7, 2010

Sources & verification

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