Reusable trocar assembly
CA 2213540 A1 · Owner: De Bellis, Maria · Inventors: De Bellis, Maria
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a reusable trocar assembly which combines the optimal features of reusable and disposable trocars. The invention provides a reusable trocar assembly comprising a handle portion having an aperture suitably configured to define an entry port for a surgical instrument adapted for use in laparoscopic or endoscopic surgical procedures; a valve assembly comprising a tubular member having first valve retaining means; a housing portion having second valve retaining means; a silicone valve which engages and is retained by said first and second valve retaining means; a cannula defining a lumen for the passage of said surgical instrument; and attachment means for releasably …
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 August 21, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 21, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 21, 2019.
- 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.