A system is provided for the prevention of accidental needle pricks from the needle of a hypodermic syringe and for supporting the syringe in an upright disposition. A hypodermic syringe, having a conventional needle cap, is provided with a cap holder that includes both a suction cup and a sleeve having...http://www.google.de/patents/US5348543?utm_source=gb-gplus-sharePatent US5348543 - Hypodermic needle guard system
