SINGLE-USE INJECTOR Russian patent published in 2007 - IPC A61M5/315 A61M5/28 

FIELD: medical equipment.

SUBSTANCE: single-use injector has container for medicinal preparation, needle connected with container, which needle is used for introduction of medicinal preparation through patient's skin, pusher for squeezing medicinal preparation from container, drive mechanism made for application of manual power to drive member for punching skin by needle and for squeezing medicinal preparation by pusher through needle, and spring mechanism for removal of needle into drive mechanism after the latter is used. Drive mechanism has rest. Rest is made for action between drive member and container during initial movement of drive member fro pressing needle into skin during mentioned initial movement. Rest is also made for de-blockage with increased manual force to go on with mentioned movement under effect of manual power to squeeze medicinal preparation.

EFFECT: reduced chance of squeezing of liquid before skin is punched by needle.

6 cl, 4 dwg