Invention Grant
- Patent Title: Sensing rate of change of pressure in the left ventricle with an implanted device
- Patent Title (中): 用植入装置感测左心室压力变化率
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Application No.: US12703533Application Date: 2010-02-10
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Publication No.: US08007442B2Publication Date: 2011-08-30
- Inventor: Gerrard M. Carlson , Krzysztof Z. Siejko , Ramesh Wariar , Marina V. Brockway
- Applicant: Gerrard M. Carlson , Krzysztof Z. Siejko , Ramesh Wariar , Marina V. Brockway
- Applicant Address: US MN St. Paul
- Assignee: Cardiac Pacemakers, Inc.
- Current Assignee: Cardiac Pacemakers, Inc.
- Current Assignee Address: US MN St. Paul
- Agency: Schwegman, Lundberg & Woessner, P.A.
- Main IPC: A61B5/02
- IPC: A61B5/02

Abstract:
An implantable device and method for monitoring S1 heart sounds with a remotely located accelerometer. The device includes a transducer that converts heart sounds into an electrical signal. A control circuit is coupled to the transducer. The control circuit is configured to receive the electrical signal, identify an S1 heart sound, and to convert the S1 heart sound into electrical information. The control circuit also generates morphological data from the electrical information. The morphological data relates to a hemodynamic metric, such as left ventricular contractility. A housing may enclose the control circuit. The housing defines a volume coextensive with an outer surface of the housing. The transducer is in or on the volume defined by the housing.
Public/Granted literature
- US20100145403A1 SENSING RATE OF CHANGE OF PRESSURE IN THE LEFT VENTRICLE WITH AN IMPLANTED DEVICE Public/Granted day:2010-06-10
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