Surgery – Truss – Pad
Patent
1987-05-13
1988-10-25
Jaworski, Francis
Surgery
Truss
Pad
128 6, 12866003, A61B 106, A61B 1000
Patent
active
047796243
ABSTRACT:
This invention relates to an ultrasonic endoscope which includes a manipulating portion coupled to a light source device and an ultrasonic observation apparatus through a universal cord, an insertion portion inserted in a body cavity, and a sub-manipulating portion arranged between the insertion portion and the manipulating portion, an air-supply path and a suction path being arranged in the universal cord, the insertion portion having a distal end portion on which an observation optical system and an ultrasonic vibrator are mounted, the ultrasonic vibrator being covered with a balloon fixed to a surrounding portion of the distal end portion, and an optical system water-supply pipe for supplying water for washing the observation optical system and a balloon water-injection pipe for injecting water into the balloon being arranged in the insertion portion. The ultrasonic endoscope of this invention is provided with a water path switch means capable of causing the water-supply path in the universal cord to communicate with one or both of the optical system water-supply pipe and the balloon water-injection pipe in the insertion portion.
REFERENCES:
patent: 3643653 (1972-02-01), Takahashi et al.
patent: 3924608 (1975-12-01), Mitsui
patent: 4408598 (1983-10-01), Ueda
patent: 4433692 (1984-02-01), Baba
patent: 4509507 (1985-04-01), Yabe
patent: 4567880 (1986-02-01), Goodman
Jaworski Francis
Manuel George
Olympus Optical Co,. Ltd.
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