Off-aperture electrical connection for ultrasonic transducer
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United States of America Patent
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-
May 11, 2004
Issued Date -
N/A
app pub date -
Jul 10, 2000
filing date -
Jul 31, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides catheter systems and imaging assemblies using off-aperture electrical connections for ultrasound transducers. In one embodiment, a catheter includes a transducer connection apparatus (10) comprising a washer (12) having a hole (15) therethrough. A transducer element (24) is at least partially disposed within the washer hole. A matching layer (26) is operably attached to the washer and to the transducer element. The washer, transducer element and matching layer provide an electrical connection between the transducer element and the washer. Signals can be sent to and received from the transducer by establishing an electrical connection with the washer.
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