InventorsAssigneeUS Classes604/506, Therapeutic material introduced or removed through a piercing conduit (e.g., trocar) inserted into body604/164.08Having cover or protector for body entering conduitAttorney, Agent or FirmInternational Class A61M 31/00 Issued Patent Number:7611486
Abstract textA safety needle device is provided having any elongated housing and a needle assembly movable within the elongate housing. Retraction structure is provided to move the needle assembly from an extended position relative to the elongate housing to a retracted position within the elongate housing. A blocking member is provided to immobilize the retraction structure prior to use. The blocking member is insertable between the retraction structure and the associated elongate housing and/or the needle assembly. | 
