Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1993-09-10
1994-07-12
Green, Randall L.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604111, 604192, 604263, 604404, 215213, 215250, 215295, 215302, A61M 500, A61M 532, A61B 1900, B65D 5502
Patent
active
053284747
ABSTRACT:
A tamper-resistant closure for a medical injection device such as a syringe includes a cap having both a blind bore sized to receive and seat tightly against the syringe tip, to prevent material from entering or being withdrawn from the device. The cap has a threaded connection to the syringe tip, and is entirely covered by a loose-fitting shield having a one-way drive mechanism which prevents the cap from being unscrewed from the device while the shield is in place. The shield has at least one internal, frangible tang protruding obliquely into the envelope of the cap, so that the shield and cap can be easily assembled, but cannot thereafter be disassembled without breaking the tang and thus providing an indication of tampering.
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B. Braun Medical Inc.
Green Randall L.
Zuttarelli P.
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