Needleless inoculator

Abstract

Abstract Needleless inoculator, particularly for the blind and weak-sighted, which has a bored inoculation head (1) suitable for discharging the vaccine, and a helical spring (7) which is supported on a plunger shaft (3), which is arranged in a cylinder (2) attached on the inoculation head. The inoculation head (1) which can be applied perpendicular to the surface of the skin is in controlled communication with a spring holder housing (11), activating a second spring (8), by way of the balls (10) which are arranged in the bore of the spring holder housing (11) and can engage in the shaft (6). The inoculation head (1) is designed in such a way that it can be replaced together with the plunger (3). The inoculation head (1) can be connected to an adaptor (19) receiving the vaccine ampoule. The device can be started up by pressing the inoculation head (1) against the surface of the skin. <IMAGE>

Inventors

• 👤 Erdélyi Dr. Dipl.-Ing. Gyula
• 👤 András Dipl.-Ing. Mátrai
• 👤 Lajos Dipl.-Ing. Nagy

Bibliographic Details