Endoscope with removable eyepiece
CA 1297750 C · Owner: Adair, Edwin L. · Inventors: Adair, Edwin L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sterilizable catheter of micro-thin diameter has a central coherent fiber bundle for carrying an image to a viewing means, which is surrounded by light fibers. The proximate end of the catheter is provided with a coupling means for aligning the coherent optical bundle with the optical system of the viewing means and for providing an interface with light transmitting means to transmit light from a light source to the body cavity. The coupling means has a diameter no bigger than the diameter of the covering of the catheter. When the catheter is used in a trochar, the trochar can be removed while the catheter remains in place. This is accomplished by removing the viewing means and sliding …
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
- Granted March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.