Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Anders Björling0
Date of Patent
May 31, 2011
0Patent Application Number
119177990
Date Filed
June 16, 2005
0Patent Primary Examiner
Patent abstract
An implantable heart stimulating device for indicating congestive heart failure (CHF) has a processor, an activity sensor that generates an activity signal indicative of a patient's activity, and a blood temperature sensor that measures blood temperature inside the heart of the patient and generates a temperature signal indicative of the measured temperature. From the activity signal and the temperature signal, the processor identifies a characteristic dip in the temperature signal related to a predetermined increase in the activity signal. The processor determines a CHF indicator value indicating the degree of CHF based on the magnitude of the temperature sensor dip for at least two increased activity levels.
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