Position indicating device and method
CA 1078286 A · Owner: Kendall Company (The) · Inventors: Patel, Bhupendra C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for indicating the position of a needle in a patient's body comprising, a body member having a flexible film secured to the body member and overlying a surface of the body member, and a passageway communicating with a space between the surface and film. The body member is attached to an outer portion of the needle with the passageway communicating with the needle to indicate pressure by the film.
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 May 27, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 1997.
- 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.