Olympus Corporation

Masahiko Sendoh

Hironobu Takizawa

Akio Uchiyama

Hironao Kawano

Kenichi Arai

Kazushi Ishiyama

Takeshi Yokoi

Hironao c/o Olympus Medical Systems Corp Kawano

Akio c/o Olympus Medical Systems Corp Uchiyama

The present invention realizes a medical device guidance system capable of improving propulsion control characteristic. The capsule guidance systemincludes a rotating electromagnetic field generating devicefor generating a rotating electromagnetic field for applying from the outside of a subject into the subject; a capsuleto be inserted into the body cavity of the subject; a magnetprovided in this capsuleand acting on the rotating electromagnetic field generated by the rotating electromagnetic field generating device; a spiral projection portionprovided on the outer peripheral surface of the capsuleand converting the rotational movement generated by the magnetinto a thrust; a controllerfor controlling the rotating electromagnetic field generating deviceto continuously change the state of the rotating electromagnetic field generated by rotating electromagnetic field generating device; and a capsule rotational direction pattern generatorfor interchanging the rotational directions of the rotating electromagnetic field generated by the rotating electromagnetic field generating devicefor each set rotational direction.

Medical device guidance system

In a capsuleas a medical apparatus inserted into a body cavity, the lengthwise direction of the capsuleis used as an insert axis, a manipulation/input device, which is magnetized in a direction orthogonal to the insert axis, is disposed at the center position of the insert axis. A magnetic field generation device, which is disposed outside of a body, is caused to generate a vibration magnetic field in a direction parallel with the insert axis of the capsuleby turning on a vibration (ON/OFF) switchof a manipulation/input deviceso that couples having lines of action, which are in parallel with the insert axis, are exerted on the capsule, thereby the capsuleexecutes a swiveling motion about the insert axis and smoothly travels along a cavity organ.

Medical apparatus, medical apparatus guide system, capsule type medical apparatus, and capsule type medical apparatus guide apparatus

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Sendai, Japan

Masahiko Sendoh