Olympus Corporation

Olympus Medical Systems Corporation

Masayo Tsumaru

Koji Yamaya

Tatsuya Furukawa

Tetsuhiro Yamada

Ryuichi Toyama

Toshihiro Hadano

Seiji Saito

Kahori Yasunaga

Makoto Abe

Ryosuke Ishizaki

A sealability acquiring mechanism disposed in a medical apparatus has a raising base unit constituted of a raising base operating mechanism, a raising tube path portion, a guide tube and a raising base. In the raising tube path portion, there is disposed a sealing member that is water-tightly or air-tightly fixed to a wire fixing portion to be connected to a raising wire inserted into an outer peripheral member and the outer peripheral member, a fluid supplied from an opening of the outer peripheral member flows between an inner peripheral surface of a raising tube path and an outer peripheral surface of the sealing member, and the raising base operating mechanism is water-tightly or air-tightly separated from the raising tube path.

Medical apparatus

A medical instrument of the present invention comprises a spiral shaped portion provided at an insertion portion main body, for generating a force at the insertion portion main body to advance/retreat in a subject by a contact with a body wall of the subject, a balloon provided so as to expand radially in a radial direction of the insertion portion main body and capable of contact with the body wall, a suction opening portion provided between the spiral shaped portion and the balloon in the insertion portion main body, and a suction pipeline communicating with the suction opening portion, inserted into the insertion portion main body and connected to a suction pressure controller on a rear end side of the insertion portion main body in the insertion direction.

Medical instrument, endoscope and endoscope device

Growing community of inventors

Sagamihara, Japan

Masayo Tsumaru