Haemodynamic monitoring
CA 2471279 A1 · Owner: Warring-Davies, Ken · Inventors: Warring-Davies, Ken
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Mean Pulmonary Arterial Pressure (MPAP) Mean Pulmonary Capillary Wedge , Pressure (MPCWP) and Cardiac Index are all determinable (in a method or employing apparatus) from Central Venous Pressure (CVP) Mean Arterial , Pressure (MAP), Heart Rate (HR) and Core Body Temperature (T) from the following relationships: MPAP = (a x MAP) + CVP (for MAP < 58) or Va; MPAP = , (a x MPAP) + CVP - (10 x INT(MAX {MAP-109) (CVP-7),0})/10) for MAP > 58); , Vb; MPCWP = (b X MPAP) + CVP - (10 X INT CVP-7/10; and VI; CI = K (T.CVP)/ HR2, VII; where a and b are about 0.15; MAX (x y, z) = largest of the three , terms x y, and z; INT x = integer part of x; MAP and CVP is measured in mmHg; T in Celsius and HR …
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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 November 13, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 13, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 13, 2024.
- 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.