Sumitomo Bakelite Company Limited

Olympus Optical Company, Ltd.

Eiji Kanehira

Kenichi Kimura

Koji Iida

Hideto Yoshimine

Naomi Sekino

Norihiko Hareyama

Makoto Inaba

Etsuro Yamabe

Taisuke Sato

Minoru Shibata

Kiyotaka Arikawa

Kei Hara

Minoru Suzuki

Hideo Yamada

Kiyotaka c/o Akita Sumitomo Co Ltd Arikawa

Minoru c/o Akita Sumitomo Co Ltd Shibata

Kei c/o Akita Sumitomo Bakelite Co Ltd Hara

A medical treatment tool () includes a retractor main body () and a converter (). The retractor main body () forms a cylindrical shape and is placed in an incision. The converter () is detachably installed on an opening end () of the retractor main body () and closes the opening end (). Ports () to () through which treatment tools are respectively inserted into the retractor main body () are provided in a plurality of sites of the converter (). The converter () can be installed on the opening end () at an installation angle which is selected from a plurality of angles. The positional relationships of the ports () to () with respect to the retractor main body () when the converter () is installed on the opening end () at the respective installation angles become different from each other.

Medical treatment tool

According to the present invention, a heat generating element to be current-carried is provided at a grasp portion on the tip side of a treatment portion, the patient's body tissue grasped between a pair of grasp portions is coagulated by heat of the heat generating element, and a metal scissors blade for cutting the patient's body tissue is provided on the rear side of the grasp portion in the treatment portion.

Medical treatment instrument

There is provided a surgical treatment instrument in which the mode can be easily switched between a treatment under a pneumoperitoneum condition and a treatment outside the peritoneal cavity, and forceps can be manipulated under the pneumoperitoneum condition, and when taking out a cancer-affected part, an incision in the abdominal wall is protected, and the incision is free from infection. The surgical treatment instrument includes a tubular portion which has a first fixing member provided at a near end-side open portion thereof, and also has a second fixing member provided at a remote end-side open portion thereof. At least two tension belts are mounted on the second fixing member, and fixing means for adjusting the length of the tension belts to position the first fixing member is provided at the first fixing member.

Medical treating instrument

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Kanazawa, Japan

Eiji Kanehira