Simulation of bone in ultrasonic assessment apparatus

Details Simulation of bone in ultrasonic assessment apparatus Simulation of bone in ultrasonic assessment apparatus

1996-02-08

1997-07-22

Manuel, George

Surgery

Truss

Pad

A61B 800

Patent

active

056495382

ABSTRACT:
A simulation device for simulating bone in an ultrasonic assessment apparatus comprises an electrical low-pass filter (20). The filter (20) attenuates the ultrasonic signal of the apparatus to simulate the attenuating effect of bone on the signal transmitted by a transmitting transducer (1) of the apparatus.

REFERENCES:
patent: 3847141 (1974-11-01), Hoop
patent: 4016750 (1977-04-01), Green
patent: 5143069 (1992-09-01), Kwon
patent: 5535750 (1996-07-01), Matsui et al.
Ching et al, "Resolution Enhancement in Ultrasonic Imaging By a Time-Varying Filter", SPIE vol. 768 International Symposium on Pattern Recognition and Acoustical Imaging (1987), pp. 79-84 [XP 000569259].

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