Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2005-10-04
2011-11-29
Cheng, Jacqueline (Department: 3777)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
Reexamination Certificate
active
08066643
ABSTRACT:
The present invention provides an ultrasonic endoscope, comprising: an ultrasonic transducer in a cylindrical shape including a plurality of piezoelectric devices, an acoustic matching layer stacked on a principal plane on a sound emitting plane side, an acoustic lens on a plane of the acoustic matching layer opposite to a plane facing the piezoelectric devices, and a backing material stacked on another principal planes of the piezoelectric devices; an endoscopic observation and endo-therapy unit provided, for performing endoscopic image observation, at a proximal end side of the ultrasonic transducer; a cable assembly including a plurality of cables for transmitting signals to and from the ultrasonic transducer. In the above configuration, the cable assembly is arranged in such a manner that the cable assembly passes through an inside portion of the ultrasonic transducer, and is connected to the ultrasonic transducer at a distal end side of the ultrasonic transducer. Thereby, an ultrasonic endoscope is provided that has an ultrasonic transducer in which the ultrasonic transducer and coaxial cables will not be disconnected even under thermal or mechanical loads.
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Imahashi Takuya
Mizunuma Akiko
Sato Sunao
Sawada Yukihiko
Wakabayashi Katsuhiro
Cheng Jacqueline
Olympus Corporation
Scully , Scott, Murphy & Presser, P.C.
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