A needle (10) for delivering a liquid to a subject comprises a shaft (11) having an internal surface defining a longitudinally extending internal bore having an open end (15) to receive a liquid supply, the other end (16) being sharpened for penetration of the subject's skin. A plurality of apertures...http://www.google.de/patents/US20010012926?utm_source=gb-gplus-sharePatent US20010012926 - Needle for subcutaneous delivery of fluids
