An Improved Device for Administering Hypodermic Injections.

Abstract

Abstract 13,142. Castro, J. G. May 28. Syringes.-A hypodermic syringe A, of the class in which the liquid is expelled by compressed air or other gas, is provided with a rubber or like. stopper F receiving one end of a tube E, which serves to guide a double - ended n e e d l e which may be pushed through the stopper F. The other end of the tube E is supported by a capsule D secured to the body of the syringe by cement. The needle o, p is mounted in a carrier tube r provided with finger-grips m. The end of the tube r forms a stop to prevent the needle o from completely perforating the stopper F, except when pressure is applied so as to compress the rubber of which the stopper is formed.

Inventors

• 👤 Jose Gonzalez Castro

Bibliographic Details