Patient monitoring system
CA 2264628 A1 · Owner: Nellcor Puritan Bennett Incorporated · Inventors: Vanderschaaf, Larry A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for performing scoring analysis of the pathological sleep events of apnea, hypopnea and desaturation of a patient from a sampled data set of only three sensor signals, namely airflow, heart rate and oxygen , saturation. The data source is either currently sensed data or previously recorded data. A microprocessor provides the display printing, input and , output channels, operator interface and computation capability for the system. Specialized programs direct the analysis and operation thereof.
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 August 8, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 8, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 2019.
- 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.