Kureha Kagaku Kogyo Kabushiki Kaisha

Kureha Chemical Industry Company, Limited

Keizo Sugimachi

Yoshio Kawai

Tetsuya Hotta

Kiyoshi Inokuchi

Hidenobu Kai

Akira Sogawa

Tetsuo Ikeda

Toshiharu Shirakami

Takashi Nishizaki

Atsushi Yoshihara

Kenji Takenaka

Kengo Fukuzawa

Mitsuo Shimada

In an apparatus which applies periodic pulsation to a solution flowing through a conduit while undergoing perfusion by a pump, a first valve is disposed in the conduit downstream of the pump, a bypass line is provided to the conduit downstream of the first valve, and a second valve is disposed in the bypass line for withdrawing some of a first pulsed flow formed in the conduit by opening and closing the first valve, through the bypass line as a second pulsed flow. A valve driving circuit periodically opens and closes the first valve and second valve at predetermined time schedules so that the second pulsed flow is superimposed upon the first pulsed flow to form a waveform in the conduit. Any desired pulsatile waveform can be obtained by adjusting the pulse width, the crest values, the delay time, etc., of the two pulsed flows.

Method and apparatus for producing pulsation

A device for radio-frequency hyperthermia having

Device for hyperthermia

An endotract antenna used for hyperthermia treatments. A microwave radiation antenna is surrounded by a balloon-like member made of a thin polymeric film. Tubes for feeding and draining a cooling liquid to and from the inside of the balloon-like member enable the device to effectively warm an endotract lesion such as a tumor by effectively supplying the energy of the microwaves emitted from the antenna to the endotract lesion.

Endotract antenna device for hyperthermia

Growing community of inventors

Fukuoka, Japan

Keizo Sugimachi