Video endoscopes
CA 2263156 A1 · Owner: Vista Medical Technologies, Inc. · Inventors: Hori, Koichiro; Lichtman, Philip R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An endoscope is provided that comprises a micro-size video camera (20) a , flexible cable attached to the camera (40) comprising fiber optical means (34) for transmitting light to illuminate the site viewed by the camera electrical , conductors for transmitting electronic signals generated by the camera in response to images viewed by the camera and a malleable or rigid shaft (64) , detachably connected to and supporting the camera and the shaft. The rigid shaft may be straight or may be preformed in a selected curved configuration. In an alternative embodiment of the invention a malleable shaft is , permanently attached to the camera.
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 September 16, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 16, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 16, 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.