Olympus Corporation

Olympus Medical Systems Corporation

Atsushi Ban

Kazuya Sato

Motoi Satake

Kensuke Uesaka

Ko Kimura

Keita Suzuki

Hirotoshi Amano

Mitsunori Kubo

Kenichi Nishina

Koh Kimura

Miho Naka

Yoshino Nagasuka

Aya Mori

Junichi Kogiso

Takayuki Kikuchi

Yoshihisa Kaneko

Hitoshi Kinoshita

A clip unit including: a clip main body having a first arm portion, a second arm portion, and a middle portion; a pressing tube formed in a tube shape to be capable of accommodating the clip main body, the pressing tube being provided to deform the clip main body so as to make a distal end of the first arm portion and a distal end of the second arm portion to approach to each other, as the middle portion, the first arm portion, and the second arm portion are moved toward a proximal end side of the clip unit; a locking portion configured to protrude from an inner circumferential surface of the pressing tube on the proximal end side of the pressing tube; and a first locked portion configured to protrude from a lateral surface of the first arm portion.

Clip unit

Stopper for a medical guide sheath

Provided is a grasper including an introduction tube that is capable of being inserted into a body cavity; an operational elongate body that is inserted into the introduction tube so as to advance and retract; and a clip that is attached to a distal end portion of the introduction tube and is operated by the relative movement between the operational elongate body and the introduction tube so as to grasp a body tissue, then is indwelled in a body. The clip has a plurality of grasping arms which are operated to be moved by the operational elongate body or the introduction tube, at least in a direction where the grasping arms are closed, so as to grasp the body tissue; and a retracting portion which retracts a portion of the body tissue between the plurality of grasping arms.

Gasper and grasping tool

An treatment tool for a endoscope comprises a treatment tool insertion portion to be inserted into a channel of the endoscope; an open/close member support portion formed in a distal end of the treatment tool insertion portion; an open/close member which is freely supported so as to be opened or closed and treats a target site; a liquid conduit which transports a liquid to a target site, liquid conduit being provided on an outside of the open/close member in a direction orthogonal to a lengthwise direction of the open/close member, and comprising at least one distal end aperture which opens toward the distal end direction of the open/close member support portion, the liquid conduit transports.

Treatment tool for endoscope

Growing community of inventors

Tokyo, Japan

Atsushi Ban