Blood access device
CA 1162452 A · Owner: Renal Systems, Inc. · Inventors: Cosentino, Louis C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A T-shaped blood access device is provided which is adapted for implantation into a patient and which has its stem portion extending outwardly above the skin of the patient. An elastomeric septum is positioned in sealing relationship in the stem adjacent the junction with the main conduit portion. The septum is locked in place by a removable spring retaining ring. A cavity above the septum is provided for keeping the assembly sterile by use of a sterilizing fluid. Cooperating structures include needle assemblies and a stem cap for retaining sterilizing fluid within the cavity.
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 February 21, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 21, 2001.
- 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.