Surgical instrument with input power transducer
CA 2067776 C · Owner: Dodick, Jack Murray · Inventors: Dodick, Jack Murray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgical instrument in the form of, for example a two mm needle (10) has an , open distal aspiration port (22 22a, 36) for, holding tissue to be fractured. An optical fiber (26) extends along the length of the needle and has its distal end positioned close to a metal target (24; 24A, 24a, 34). Pulses of laser energy are discharged from the distal end of the optical fiber to strike the target. The target acts as a transducer converting the electromagnetic energy to mechanical shockwaves that are directed onto tissue in an operating zone adjacent to the aspiration port. The mechanical shockwaves cause the tissue to fracture and the tissue together with irrigating fluid is drawn out …
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
- Filed October 24, 1990 and granted September 4, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 24, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 24, 2012.
- 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.