Disposable safety syringe with retractable shuttle for luer lock

Details Disposable safety syringe with retractable shuttle for luer lock Disposable safety syringe with retractable shuttle for luer lock

1993-08-26

1995-04-11

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604195, 604232, A61M 500

Patent

active

054053269

ABSTRACT:
A disposable safety syringe has a needle shuttle slidably located within a main syringe barrel. The shuttle has a pair of outwardly extending guide tabs which engage a guide slot formed in the barrel wall. The upper end of the needle shuttle is configured to accept a luer lock needle assembly and has a downwardly extending spike used to penetrate the septum of an ampoule mounted in the barrel. A sleeve and rod assembly are mounted in the barrel below the ampoule and can be used to translate the ampoule from a suspended shipping position to an injecting position in which the septum is penetrated by the spike. The sleeve and rod assembly is removed after use, the spent ampoule is withdrawn and the needle shuttle is maneuvered downwardly by means of the guide tabs to a locking position in which the needle assembly is housed within the barrel for safe disposal.

REFERENCES:
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patent: 5116319 (1992-05-01), Van Den Haak
patent: 5195985 (1993-03-01), Hall
patent: 5330440 (1994-07-01), Stanners et al.

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