Laparoscopic instrument system for stone removal
CA 2403970 A1 · Owner: Wenner, Donald E. · Inventors: Scott, George L. Iii; Wenner, Donald E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A laparoscopic port adapter assembly (10) for conducting bile duct and related procedures, including a laparoscopic port (11) an introducer sheath (12) and , a multiple conduit instrument guide (13). The instrument guide (13) may be inserted into a bile duct (14) to facilitate concurrent introduction of multiple instruments directly into a bile duct (14) without the need for forceps manipulation of instruments through additional laparoscopic ports. The procedure may be conducted and viewed in real-time video to improve procedural efficiency and safety. Inventive related useful instruments and procedures are included to complement use and flexibility of the laparoscopic port adapter …
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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 March 22, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 22, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 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.