Plasma arc surgical device and method
CA 2425257 A1 · Owner: Tanrisever, Naim Erturk · Inventors: Tanrisever, Naim Erturk
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgical apparatus adapted to emit a plurality of high-energy inert gas atoms, such as argon, in a stream for cutting cauterizing, or evaporating , tissue. The apparatus comprises an inert gas supply a plasma cell in , communication with the inert gas source for imparting energy to the inert gas atoms and defined in part by a positive connected between the positive and negative electrodes. The current source provides initially an ionization voltage between the negative and positive electrodes to initiate a plasma from the inert gas in the plasma cell, and subsequently a pulsed voltage curve that sustains the plasma at a predetermined energy level. The pulsed voltage curve may …
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 5, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 5, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 5, 2023.
- 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.