Asahi Kasei Kogyo Kabushiki Kaisha

Norio Iriguchi

Naoya Kominami

Kenji Inagaki

Toru Kuroda

A two step type pressurized injector comprising as main parts, a medicine chamber for holding an injecting liquid, a piston for pressurizing the injecting liquid, a nozzle hole for ejecting the injecting liquid, a power means for displacing said piston and a regulating means for regulating the displacement of said piston is provided. This injector gives less irritation i.e. pain to the skin of a person who is receiving the injection and less external injury to the skin. The injection is carried out under a pressure of 120 Kg/cm.sup.2 or higher to effect rapid perforation to a skin and then under a pressure of 100 Kg/cm.sup.2 or lower after the perforation.

Growing community of inventors

Oak Park, IL, United States of America

Norio Iriguchi