Ultrasound scanhead

Details Ultrasound scanhead Ultrasound scanhead

1982-06-10

1984-02-21

Howell, Kyle L.

Surgery

Truss

Pad

A61B 1000

Patent

active

044323719

ABSTRACT:
The scanhead includes an impeller which is designed to swirl the liquid adjacent the ultrasound transducers as the transducers are rotated. The fluid dynamics established by the swirling liquid cause any bubbles within the liquid to be forced to the center of the swirling liquid where they are out of the zone of transmitted or received ultrasound energy. When an impeller having multiple vanes with an opening formed therebetween is used, the bubbles are forced to the center of the impeller.

REFERENCES:
patent: 4185501 (1980-01-01), Proudian et al.
patent: 4316271 (1982-02-01), Evert

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