Safety device for an injection syringe needle
April 6, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesManually operated reusable injection apparatus Anti-needle strike and anti-drug abuse syringe Pre-filled syringe Needle guide and puncture protector Disease control syringe having a retractable needle Disposable safety syringe having means for retracting its needle cannula into its medication cartridge Retractable needle syringe Fluid passing apparatus with means for covering the same Phlebotomy set with safety retracting needle Combination retractable needle cannula and cannula lock for a medication carpule InventorAssigneeApplicationNo. 224111 filed on 04/06/1994US Classes:604/110, Having means for preventing reuse of device604/195, Portion of body entering conduit stored in material receiving syringe reservoir604/243Conduit or holder therefor removably attached to another injector component by frictionExaminersPrimary: Yasko, John D.Assistant: Cermak, Adam J. Attorney, Agent or FirmForeign Patent References
International ClassesA61M 005/50A61M 005/32 Foreign Application Priority Data1988-08-23 NLAbstractA safety device for an injection syringe comprising an outer casing (1) defining an injection fluid space with a plunger (11) movable therein, said plunger being adapted to be coupled with a plunger rod (6) provided with an actuating knob or ring, while at the opposite end of said casing a needle foot (16) equipped with a hollow needle (15) may be fixed thereto in such a manner that the needle bore communicates with the interior of the fluid space, the needle foot (16) being movable inwards relative to the outer casing and adapted to be coupled to the piston in order that the needle may be retracted into said outer casing; the needle foot (16) and the casing (1) are provided with mutually engageable locking means for locking the needle foot (16) in its non-retracted position, and the plunger (11) or the plunger rod (6) and the needle (15) or the needle foot (16) are provided with means for coupling the plunger (11) or plunger rod (6) with the needle (15) or needle foot (16) and releasing the needle or needle foot lock after the plunger (11) has been completely pushed all the way into the injection fluid space (1. 10).Field of SearchHaving means for preventing reuse of deviceHaving cover or protector for body entering conduit Portion of body entering conduit stored in material receiving syringe reservoir And extended therefrom by piston when syringe is used Cover or protector for body entering conduit movable axially relative to one another Specific structure of means connecting body entering conduit to syringe Conduit holder attached to another syringe component by thread means Conduit holder attached to another injector component by cam Conduit or holder therefor removably attached to another injector component by friction Removable cover or protector for body inserted conduit | |
