Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1997-05-02
1998-10-06
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
607 19, A61N 1362, A61N 1365
Patent
active
058171355
ABSTRACT:
A rate responsive implantable pacemaker generates a metabolic demand parameter such as a thoracic impedance which is converted into a corresponding metabolic indicated parameter. During the conversion, intermediate parameters, such as either tidal volume and respiration rate, or a derivative of the metabolic demand parameter are used by a cross-check circuit to insure that artefacts due for example to stroke volume noise are eliminated. The peak limiter is used to limit the metabolic indicated rate to an acceptable range. Both protection circuits use fuzzy logic components.
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Chiang Chih-ming James
Cooper Daniel
Greenhut Saul E.
Nappholz Tibor A.
Steinhaus Bruce
Kamm William E.
Layno Carl H.
Pacesetter Inc.
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