Ultrasound internal examination system

Details Ultrasound internal examination system Ultrasound internal examination system

1991-06-21

1992-07-21

Jaworski, Francis

Surgery

Truss

Pad

12866206, A61B 800

Patent

active

051313936

ABSTRACT:
Described herein is an ultrasound internal examination system which essentially includes: an ultrasound probe having an ultrasound vibratory element at the tip end of a flexible cable to be passed through a biopsy channel of an endoscope; an operating unit detachably mounted at the rear end of the biopsy channel of the endoscope and connected to a base end portion of the flexible cable; a probe operating member provided on the operating unit to scan the ultrasound vibratory member over a predetermined scanning range; an initial position sensor means for detecting the position of an initial point of the scanning range; and an incremental encoder adapted to generate pulse signals at a predetermined frequency upon detection of and during a displacement of the ultrasound vibratory element caused by the probe operating member.

REFERENCES:
patent: 4034744 (1977-07-01), Goldberg
patent: 4047520 (1977-09-01), Soldner et al.
patent: 4722345 (1988-02-01), Ueno et al.
patent: 4802487 (1989-02-01), Martin et al.
patent: 4880009 (1989-11-01), Yanagawa
patent: 4892103 (1990-01-01), Ogasawara
patent: 4917096 (1990-04-01), Englehart et al.

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