Surgery – Diagnostic testing – Cardiovascular
Reexamination Certificate
2005-09-27
2009-08-25
Layno, Carl H. (Department: 3766)
Surgery
Diagnostic testing
Cardiovascular
C600S504000, C600S526000
Reexamination Certificate
active
07578794
ABSTRACT:
Adventitious lung sounds indicative of lung congestion are detected using an implantable sensor. The sensor is adapted to be positioned adjacent to a pulmonary system and to output signals indicative of lung sounds in response to pulmonary system activity. A controller receives the signals and processes the signals to detect the presence of adventitious lung sounds. A respiratory cycle sensor operating in conjunction with the lung-sound sensor enables classification of an adventitious lung sound according to its time occurrence within the respiratory cycle. Posture sensing in conjunction with lung-sound sensing provides valuable additional information as to the severity of the lung congestion.
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Hatlestad John D.
Stahmann Jeffrey E.
Zhu Quingsheng
Cardiac Pacemakers Inc.
Hollingsworth & Funk LLC
Layno Carl H.
Morales Jon-Eric C.
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