公开(公告)号：US20220395319A1

公开(公告)日：2022-12-15

申请号：US17889878

申请日：2022-08-17

Applicant: OLYMPUS CORPORATION

Inventor： Daisuke YANAGI ,  Ojiro KITAMURA ,  Yuki KAWAGUCHI ,  Sho OGAWA ,  Akira MIYAZAKI

IPC: A61B18/14

Abstract: A treatment tool includes: a sheath; a treatment portion that is capable of treating a living tissue and is provided at a distal end of the sheath; a first driver and a second driver that are inserted in the sheath and are capable of driving the treatment portion; and a holder that is inserted in the sheath, and holds the first driver and the second driver. The holder includes a groove in which the first and second driver are inserted, and an intervening portion provided in the groove and arranged between the first driver and the second driver in a cross section perpendicular to a longitudinal direction of the groove that extends from a distal end to a proximal end of the holder.

公开(公告)号：US20200229836A1

公开(公告)日：2020-07-23

申请号：US16840492

申请日：2020-04-06

Applicant: OLYMPUS CORPORATION

Inventor： Daisuke YANAGI

IPC: A61B17/29 ,  A61B17/32 ,  A61B18/14 ,  A61B18/08

Abstract: A medical instrument includes a housing, a movable handle, and a spring. The movable handle is configured to move between a first position as an opened position and a second position as a closed position with respect to the housing. The spring is provided between the housing and the movable handle. The spring is configured to apply a biasing force to the housing or the movable handle. The spring is provided to alleviate an increase in the biasing force generated in the spring in response to the movable handle moving from the first position to the second position.