Removable implantable device
CA 2103237 C · Owner: Mikolajczyk, Edward J. · Inventors: Mikolajczyk, Edward J.; Czar, Carl T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A removable implanted device (10) is provided which monitors the blood flow in a vessel (22) and can be removed through the insertion wound (20) without additional surgery. The device has an elongated probe body (12) which contains a Doppler-type ultrasonic transducer (40) attached to the probe body at an angle so as to enable monitoring of blood flow when attached to the vessel (22). The device has a flexible tube (18) which extends out of the body through the insertion wound (20). The device is held in place against the vessel (22) by sutures (38) which are secured to the probe body (12) by a suture attachment wire (24 26) which, may be bent or looped to form two substantially equal …
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 June 2, 1992 and granted June 10, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 2, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 2, 2014.
- 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.