Scully, Scott, Murphy & Presser, P.C.
Body-insertable device positioning system and in-vivo observation method
An object of the present invention is to actively control at least one of the position and direction of the imaging field in a subject and to observe a desired observed region in the subject certainly in a short period of time. A body-insertable device system according to the present invention includes a capsule endoscope 1 introduced into a subject and a permanent magnet 3. An imaging unit of the capsule endoscope 1 for taking an image inside the subject is fixed in a casing. The capsule endoscope 1 includes a drive unit for changing at least one of the position and posture of the casing in the liquid 2a which is also introduced in the subject 100. The permanent magnet 3 controls the operation of the drive unit for changing at least one of the position and posture of the casing in the liquid 2a. 
Olympus Medical Systems Corp.
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Hironao Isao Hidetake Hideo Katsumi Satomi Hironobu
Kawano Aoki Segawa Ito Hirakawa Kobayashi Takizawa