Ultrasonic probe

Details Ultrasonic probe Ultrasonic probe

1988-01-15

1989-11-14

Jaworski, Francis

Surgery

Truss

Pad

73642, A61B 800

Patent

active

048800120

ABSTRACT:
An ultrasonic probe having a vibrator which generates and receives ultrasonic waves is disclosed. The probe includes a first acoustic lens layer provided on the emergent/incident surface of the probe and a second acoustic lens layer provided on the first acoustic lens layer, the second acoustic lens layer having an attenuation constant which is different from that of the first acoustic lens layer. Accordingly, it is possible to make uniform the ultrasonic attenuation factor at various points of the acoustic lens while minimizing the attenuation factor at each of the points. Thus, it is possible to focus acoustic beams and hence obtain a clear ultrasonic image.

REFERENCES:
patent: 4387720 (1983-06-01), Miller
patent: 4699150 (1987-10-01), Kawabuchi et al.

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