Ultrasound flow measurement apparatus

Details Ultrasound flow measurement apparatus Ultrasound flow measurement apparatus

1988-02-26

1989-08-01

Jaworski, Francis

Surgery

Truss

Pad

12866301, 7386125, 7386127, A61B 806, G01P 500

Patent

active

048525758

ABSTRACT:
An ultrasound lens is a solid rod with a front concave spherical surface which defines a back focal plane in the rod when the lens is immersed in a propagating medium. The opposite end of the rod has two flat rear surfaces which are attached to ultrasound transducers and are inclined with respect to the lens axis so that principal rays from each of the transducers propagate through the lens normal to the rear surface and intersect on the lens axis at the back focal plane.
Echo ultrasound signals obtained from a sample volume using the lens may be cross correlated to yield transverse flow measurement data in the sample volume.

REFERENCES:
patent: 4183249 (1980-01-01), Anderson
patent: 4566333 (1986-01-01), Chubachi et al.
patent: 4655083 (1987-04-01), Chubachi

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