| 摘要 |
PROBLEM TO BE SOLVED: To acquire both of OCT images and ultrasonic images by one diagnosis. SOLUTION: A probe 10a provided with an ultrasonic wave transducer 51 and an OCT scanning part 140 in the inside is inserted to the forceps port of an endoscope and the inside of the celom of a patient is observed. Ultrasonic wave signals are oscillated by an ultrasonic wave signal processor 50, an object is irradiated with ultrasonic waves from the ultrasonic wave transducer 51 on the basis of the signals and measurement is performed. Simultaneously, the light source of an OCT device is driven, the object is irradiated with signal light Ls and the measurement is performed. Further, the probe 10a is rotated by driving a centerless motor 20 and radial scanning is performed. On the basis of information obtained by the scanning, the ultrasonic images and the OCT images are acquired.
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