Flexible biopsy forceps
CA 2094529 C · Owner: Krzyzanowski, Jacek · Inventors: Krzyzanowski, Jacek
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a flexible biopsy forceps device for extracting tissue samples from a patient. The forceps device includes a long flexible sheath having a cable extending therethrough, a jaw assembly connected at one end of the cable and a handle assembly attached at the other end of the cable. The handle assembly includes a spool slidably mounted on a shaft connected to the cable and sheath in such a way that movement of the spool handle results in movement of the cable with respect to the sheath to open and close the jaws. A spool insert is provided which has two portions which fit together locking the end portion of the cable therebetween. The spool insert slides into an axial …
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 April 21, 1993 and granted December 2, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 21, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 21, 2015.
- 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.