SYSTEM AND METHOD FOR SAFETY SYRINGE

Abstract: a system for injecting includes a syringe body defining a proximal opening and a distal needle interface. the system also includes a plunger member defining a plunger interior and configured to be manually manipulated to insert a stopper member relative to the syringe body, the plunger member. the plunger member includes a needle retention feature disposed in the plunger interior, an energy-storage member disposed in the plunger interior, and an energy-storage member latching member disposed in the plunger interior. the system further includes a needle hub assembly coupled to the distal needle interface of the syringe body. the needle assembly includes a needle having a needle proximal end feature, a hub, and a needle latching member configured to couple the needle to the hub. the needle is at least partially retractable into plunger interior. the needle proximal end feature includes an annular distally facing surface.

Inventor(s): Alan E. Shluzas, Stephen H. Diaz, John F. Shanley, Scott Segelke, John Merhige

CPC Classification: A61M5/3221 (DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals ; means for inserting tampons ; devices for administering food or medicines orally ; containers for collecting, storing or administering blood or medical fluids ); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery ; chemical aspects of surgical articles ); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents )})

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