Steerable Doppler transducer probes

Details Steerable Doppler transducer probes Steerable Doppler transducer probes

1984-11-08

1986-07-22

Howell, Kyle L.

Surgery

Truss

Pad

128661, 128663, 73625, A61B 1000

Patent

active

046012923

ABSTRACT:
An ultrasonic diagnostic probe is provided which performs simultaneous ultrasonic imaging and Doppler flow measurement. The Doppler transducer is mounted for rotation by a mechanical assembly, which permits the Doppler beam to be steered during imaging to the point in the body where a flow measurement is to be taken. As the Doppler transducer is rotated, a variable impedance device within the probe is adjusted in correspondence with the transducer rotation so as to provide an indication signal of the direction in which the Doppler beam is being directed.

REFERENCES:
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patent: 4130022 (1978-12-01), Goodrich et al.
patent: 4141347 (1979-02-01), Green et al.
patent: 4373533 (1983-02-01), Iinuma
patent: 4407293 (1983-10-01), Suarez, Jr. et al.
patent: 4416286 (1983-11-01), Iinuma et al.
patent: 4421118 (1983-12-01), Dow et al.
patent: 4424813 (1984-01-01), Havlice et al.
patent: 4492120 (1985-01-01), Lewis et al.

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