Sensing device for acoustic energy

Details Sensing device for acoustic energy Sensing device for acoustic energy

1997-02-19

1999-06-22

Kamm, William E.

Surgery

Diagnostic testing

Cardiovascular

A61B 704

Patent

active

059138297

ABSTRACT:
A sensing device for capturing acoustic heart sounds has a diaphragm formed from a piezoelectric transducer material which generates excitation signals in response to acoustic and vibratory energy outputs. The sensing device includes metallization layers on the diaphragm for receiving and transmitting the excitation signals to an output display device via associated electrical contacts and electrical leads and also includes a layer of adhesive material for coupling the sensing device to the subject. The sensing device further includes snap connectors for allowing the device to be quickly disengaged from electrical leads and discarded. A patch sensor device is disclosed which enables acoustic outputs to be triangulated and pinpointed.

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patent: 4784154 (1988-11-01), Shirley et al.
patent: 4805633 (1989-02-01), Kotani et al.
patent: 4947859 (1990-08-01), Brewer et al.
patent: 5365937 (1994-11-01), Reeves et al.
patent: 5448996 (1995-09-01), Bellin et al.

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