公开(公告)号：US20220183742A1

公开(公告)日：2022-06-16

申请号：US17684588

申请日：2022-03-02

Applicant: OLYMPUS CORPORATION

Inventor： Tsubasa KADOWAKI ,  Ryu YORITA ,  Ojiro KITAMURA ,  Yohei MOTOKI ,  Sho OGAWA ,  Tadashi KITAYAMA ,  Naoki OTAKA

IPC: A61B18/14

Abstract: An electrode with a conduit includes: a tubular portion internally provided with a first conduit; a distal end portion provided at the distal end of the tubular portion; a second conduit that is provided inside the distal end portion, the second conduit being configured to communicate with the first conduit; an opening configured to communicate with the first conduit and the second conduit; a first hemostatic surface that has a flat surface extending from the distal end of the tubular portion in an extending direction of the second conduit, and serves as an electrode configured to cause a high-frequency current to flow through a biological tissue; and a second hemostatic surface that is connected to a distal end side of the first hemostatic surface and is provided at an end portion protruding toward a distal end side from the opening.

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.