Diagnostic laser probe
CA 1317641 C · Owner: Massachusetts Institute Of Technology · Inventors: Kenny, Leo T.; Tobin, Jill M.; Hayes, Gary B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A laser catheter for diagnosis of tissue comprises a catheter having a proximal end and a distal end with a fixed cross-sectional area. An optical conductor extends through the catheter and has a proximal end and a distal end. A laser is coupled to the proximal end of the conductor such that light is directed onto the tissue to induce fluorescence without the presence of a fluorescence enhancing agent. A rigid optical shield is mounted on the distal end of the catheter for providing an optically transparent enclosure over the entire cross-sectional area of the distal end of the catheter. The shield has a distal surface positioned at a fixed distance from the distal end of the optical …
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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 May 11, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.