Terumo Kabushiki Kaisha

Tetsuro Nishimura

Nobukazu Tanokura

Eiichi Miyasaka

Masahiro Urushibata

Kazuhiko Sudo

An assembly of a tube having a breakaway plug mounted on one opening thereof is provided. The plug includes a hollow cylindrical segment fixedly secured to the tube, a closing segment, and a frangible thin-wall portion located in the hollow segment apart from the secured portion. A protector of a relatively rigid material is fitted over the plug. The plug can be torn off at the frangible portion by twisting the protector.

Tube assembly with a breakaway plug

A branch tube comprising a main tube defining a continuous flow path and one or two branches connected to the main tube has a closure member connected to one end of the main tube to block the flow path thereof. The closure member is integrally molded with the main tube so that a continuous smooth flow path extends through the main tube up to the closure member and the closure member is breakable from the main tube to open the flow path. A tubular sleeve is connected to the main tube so as to surround the closure member.

Branch tube

An assembly of a tube having a breakaway plug member mounted on one opening thereof is provided. The plug member has an open end and a closed end, and includes on its inner surface a first inner-wall portion extending from the open end toward the closed end a predetermined distance which is fixedly secured to the one open end of said tubular body, and a second inner-wall portion defining a space therein which extends from the first inner-wall portion to the closed end. The plug member also includes on its outer surface a thin-walled frangible portion located on or radially outside the second inner-wall portion which is breakable to allow separation of the plug member from the tubular body. The one open end of the tubular body extends in said space beyond the thin-walled frangible portion toward the closed end of the plug member.

Tube assembly provided with a breakaway plug

A heat sterilized medical needle device having a needle cannula with a pointed distal end, a hub supporting a proximal end portion of the needle cannula at one end thereof and allowing connection of a tube at the other end thereof to allow communication between the tube and the needle cannula therethrough, and a protector comprising a hollow body with a closed distal end and an open proximal end and sealing a portion of the needle cannula which is exposed from the hub within the hollow portion thereof. The hub has a thin portion to be twisted and broken to disconnect the hub from the protector, and the hub is coupled to the protector to form a liquid-tight joint by blocking at a portion of the hub which is closer to the pointed end of the needle cannula than the thin portion.

Growing community of inventors

Shizuoka, Japan

Tetsuro Nishimura