High flow stone basket system
CA 2463400 A1 · Owner: Pingleton, Edward D. · Inventors: Pingleton, Edward D.; Ewers, Richard C.; Hilal, Nabil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A medical device for viewing inside a body and for retrieving an object from a location within the body, the medical device comprising an endoscope (32) having a tube defining a working channel (36) and a basket (48) engageable with the object. In one embodiment of the invention the basket (48) does not , require a sheath and is disposed through the working channel such that the endoscope operates to contain or activate the sheathless basket. In another embodiment of the invention, a single push wire (66) with a collar (64) at its end is used in place of a sheath to control the opening and closing of the basket. In another embodiment of the invention a tapered and funnel-shaped , …
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 June 14, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 14, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 14, 2024.
- 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.