Evaluating heart mechanical performance
CA 1311016 C · Owner: Mcintyre, Kevin M. · Inventors: Mcintyre, Kevin M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A patient inserts a finger into a cup containing a piezoelectric transducing film for providing a pulse signal and an inflatable sleeve with the piezoelectric film in contact with the finger. The inflatable cuff is inflated to a pressure corresponding to a predetermined pressure within the range of substantially the diastolic pressure of the patient and half the diastolic pressure. The patient blows into a closed hose having a small opening and a pressure transducer that provides a signal to a computer representative of the pressure in the hose that displays a cursor representative of the pressure in the hose on the computer display tube along with limit lines representing 30 and 50 mm of …
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 December 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 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.