Use of lasers to break down objects for removal from within the body
CA 1269717 C · Owner: Candela Corporation · Inventors: Watson, Graham Michael; Furumoto, Horace Wataru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Use of Laser to Break Down Objects, For Removal From Within The Body Abstract of the Disclosure, Calculi, stones calcified tissue and other, material are broken down for removal from within a body using laser pulses that are delivered via an optical fiber and have a wavelength, intensity energy per pulse and pulse duration selected to break down the object into smaller particles without delivering energy sufficient to cause damage to other tissue.
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 May 29, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 2007.
- 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.