Multiple bite, multiple specimen endoscopic biopsy forceps
CA 2307237 A1 · Owner: Treat, Michael R. · Inventors: Treat, Michael R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flexible or rigid endoscopic biopsy device provides for the taking of multiple biopsy specimens from different sites and for separating and storing , these specimens in a partitioned container. The distal end of this device consists of a grasper which can bite or cut off a bit of tissue. The proximal end of the inner tubing is connected via the handle end of the device to a multi-chambered specimen storage device which is itself connected to suction. The storage device has several chambers each of which may be lined up with , the inner tubing by rotating the top of the storage device. After some or all of the storage subpartitions have been filled with specimens the storage , device …
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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 October 23, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 23, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 23, 2020.
- 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.