Heart stimulating device

Details Heart stimulating device Heart stimulating device

2011-05-31

2011-05-31

Manuel, George (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

Reexamination Certificate

active

07953487

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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