Yoshino Kogyosho Co., Ltd.

Sumitomo Bakelite Company Limited

Dai Nippon Printing Co., Ltd.

Manabu Yamamoto

Mitsuru Kitamura

Tsuyoshi Yamauchi

Yasunobu Izumi

Zenetu Suzuki

A barrier cap including a cap main body configured to be fitted onto a mouth of a container main body and an upper lid configured to be fitted onto the cap main body, the barrier cap being configured to be openable, wherein the cap main body includes a base layer and a barrier layer provided as an intermediate layer in the base layer, the base layer including a base resin, and the barrier layer containing a barrier resin, and the barrier layer includes a blend of the base resin and the barrier resin.

Barrier cap

A guide tube comprising a tube body having a throughhole penetrated therethrough in the axial direction and a mouthpiece provided at the rearward end of the tube body, or comprising a tube body having a throughhole penetrated therethrough in the axial direction, a connector provided at the rearward end of the tube body and a mouthpiece engageable with and detachable from the connector, the tube body being embedded with a coil spring in the tube wall and cut slantly to the axial direction at the forward end, and the mouthpiece having a circular or elliptical cross-sectional shape, a rib at the forward end and a flange at the rearward end, and the connector being in a structure engageable with and detachable from the mouthpiece and having at the rearward end a sealing film member with a slit or a perforation at the center facilitates passage of an endoscope through the phalynx to the esophagus, simplifies washing of or aspiration from the esophagus or stomach and shortens the treating time and reduces a painful burden on patients much more, when the engageable and detachable mouthpiece is used.

Endoscopic guide tube with embedded coil spring

Growing community of inventors

Tokyo, Japan

Manabu Yamamoto