RETRACTABLE NEEDLE SHIELDING DEVICE

• Main Authors: BRESSLER PETER, COLEMAN JOHN
• Format: Patent
• Language: English
• Published: 03.03.2011
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; MEDICAL OR VETERINARY SCIENCE; SURGERY

PROBLEM TO BE SOLVED: To provide a needle device which can be employed for a blood-collecting kit, other injections, or an injecting system, is easy for manufacture and an operation, has a simple structure, can be covered (shielded), and is safe. SOLUTION: The needle device includes a hub 30 which has a lever 40, and a needle cannula 20 in which a puncture tip 28 projecting from the hub 30 is formed. The hub 30 is mutually engaged with a housing 50, while the housing 50 has a body part 52, in which a front opening 60 for passing the needle cannula is formed, and a backward extension part 62 in which a longitudinal-direction slot is established. The lever 40 of the hub 30 projects from the longitudinal-direction slot and is locked by a front end of the slot. The housing 50 is further equipped with a tip guard 80 inside of the body part 52. The lever 40 can radially move so as to release it from locking at the front end of the slot, and can also move in the axial direction toward a back end of the slot, thereby producing the axial movement of the needle cannula 20, so as to pull the needle cannula 20 into the inside of the body part 52 of the housing 50 up to a position in which the tip guard 80 protection covers the puncture tip 28 of the needle cannula 20, and to safely cover the needle cannula 20. COPYRIGHT: (C)2011,JPO&INPIT