An intravenous catheter system having a retractable needle system and a body system is disclosed. The retractable needle system includes a housing, a needle, a docking feature, and an optional anti-shearing mechanism. The body system includes a body, at least one hub, a catheter connector, at least one...http://www.google.co.uk/patents/US8182448?utm_source=gb-gplus-sharePatent US8182448 - Needle for bloodless IV
