Cardiac signal transmitter unit
CA 1111502 A · Owner: Medtronic, Inc. · Inventors: Brastad, Brian A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a cardiac signal transmitter unit adapted for use by the pacemaker patient which detects and processes electrocardiogram and pacemaker information, and which generates a corresponding audible signal for transmission to a remote location for reception and analysis The unit employs a three input electrode array for developing a differential signal, has separate channels for processing the electrocardiogram data and the pacemaker data, and includes a fail-safe battery monitor circuit for completely disabling the unit as the battery nears the end of its useful life.
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 October 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 1998.
- 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.