Autotitrating method and apparatus
CA 2576171 C · Owner: Gerred, Andrew Gordon · Inventors: Smith, Gregory Martyn; Gradon, Lewis George; Gerred, Andrew Gordon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus (100) and method (200) of controlling the delivery of therapeutic gas delivered to a patient (1) undergoing positive airway pressure therapy is described. The method includes providing a flow of gas to a patient~s airway at a pressure, obtaining information from the range of 0 to 25 Hz of the frequency domain of the flow, and adjusting the pressure based on the information. The apparatus includes a blower (15) for providing a flow of gas to a patient~s airway at a pressure, a sensor (11) to measure a characteristic of the flow, a controller (9) to obtain information from the range of 0 to 25 Hz of the frequency domain of the characteristic and a pressure regulator for , …
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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 6, 2005 and granted February 23, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 6, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.