Fluid jet cutting system for cardiac applications
CA 2315673 A1 · Owner: Freeman, Donald C. Jr. · Inventors: Moutafis, Timothy E.; Freeman, Donald C. Jr.; Staid, Kevin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a system (10) and method for generating , a high pressure fluid jet for cutting or drilling into the heart particularly , during TMR/PMR procedures. When used in TMR/PMR procedures the system (10) , preferably includes a variable pressure pump (24) for creating a high-pressure fluid jet which drills channels in the heart at predetermined depths corresponding to the pressure, the duration of the jet with multiple pulses, increased duration and/or increased pressure increasing the depth of the channel. The size or diameter of the hole is determined by the stand-off distance of the nozzle (44) from the surgical site the design of the nozzle , (44), 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
- Filed December 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 30, 2020.
- 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.