Mechanical radial scan type ultrasound probe

Details Mechanical radial scan type ultrasound probe Mechanical radial scan type ultrasound probe

1994-07-29

1995-05-23

Manuel, George

Surgery

Truss

Pad

12866206, A61B 812

Patent

active

054172160

ABSTRACT:
A mechanical radial scan type ultrasound probe which essentially includes: a tubular probe body having an ultrasound transducer element mounted at the fore end of a rotation transmission means; an operating unit accommodating a rotational drive means for driving a rotational shaft, and an angular position detector means for detecting angular positions of the rotational shaft; and a forcibly releasable joint means interposed between the rotation transmission means and the rotational shaft in association with forcibly turning means, the forcibly releasable joint means being arranged to couple the rotation transmission means securely with the rotational shaft to follow the rotation of the latter under normal condition and to permit relative rotations of the rotation transmission means and the rotational shaft when the forcibly turning means is manipulated with a force larger than the coupling force of the releasable joint means, for shifting the angular position of the ultrasound transducer element relative to an initial end position of radial scan field.

REFERENCES:
patent: 4732156 (1988-03-01), Nakamura

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