Off-aperture electrical connection for ultrasonic transducer

Details Off-aperture electrical connection for ultrasonic transducer Off-aperture electrical connection for ultrasonic transducer

1998-07-31

2000-09-05

Lateef, Marvin M.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600437, A61B 800

Patent

active

061135461

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.

REFERENCES:
patent: 4348283 (1982-09-01), Ash
patent: 4794931 (1989-01-01), Yock
patent: 4861332 (1989-08-01), Parisi
patent: 4889128 (1989-12-01), Millar
patent: 5354220 (1994-10-01), Ganguly et al.
patent: 5583293 (1996-12-01), Flogel
patent: 5732706 (1998-03-01), White et al.

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