Disabling hypodermic syringe

Details Disabling hypodermic syringe Disabling hypodermic syringe

1993-10-12

1994-11-29

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604198, 604263, A61M 500

Patent

active

053685687

ABSTRACT:
The invention relates to a hypodermic syringe with needle comprising a spring loaded needle sheath, arranged to be automatically engaged at completion of dosing, which releases to be propelled to a position covering the tip of the needle. The syringe further comprises means for breaching the medicament storage chamber of the hypodermic syringe so that it becomes unusable for intentional reuse.

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patent: 4850994 (1989-07-01), Zerbst et al.
patent: 4863434 (1989-09-01), Bayless
patent: 4863435 (1989-09-01), Sturman et al.
patent: 4911693 (1990-03-01), Paris
patent: 4915702 (1990-04-01), Haber
patent: 4973316 (1990-11-01), Dysarz
patent: 5057086 (1991-10-01), Dillard, III et al.
patent: 5147303 (1992-09-01), Martin
patent: 5151088 (1992-09-01), Allison et al.
patent: 5176656 (1993-01-01), Bayless
patent: 5201720 (1993-04-01), Borgia et al.

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