Indwelling placement device with guard
CA 1296963 C · Owner: Wanderer, Alan A. · Inventors: Wanderer, Alan A.; Sagstetter, William E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, An indwelling placement device (10) having an introducing needle (44) and a catheter (48) for infusing fluids into a blood vessel incorporates a guard (20) for shielding the needle (44) prior to extension from therewithin and for receiving the needle (443 upon retraction thereinto to preclude an operator inadvertently contacting the needle (44) after use. Once retracted, the needle (44) cannot be extended from within the guard (20). Upon retraction of the needle into the guard, a button (56) mates with the open end of a hollow hub of the needle (54) of the needle (44) to prevent outflow of residual blood therefrom. A valve (62) is incorporated with the catheter …
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 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 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.