Hypodermic syringe

Details Hypodermic syringe Hypodermic syringe

1989-10-23

1991-03-26

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604234, A61M 500

Patent

active

050025376

ABSTRACT:
An inner elongated tubular member, a plurality of arms which extend through openings in the elongated tubular member and a concentric outer sleeve moveable relative to the inner tubular member for urging each of the arms into engagement with the hub of a needle attached to one end of a cartridge to lock the cartridge and its needle relative to the tubular member and form a hypodermic needle.

REFERENCES:
patent: Re16836 (1927-12-01), Cook
patent: 2956563 (1960-10-01), Sarnoff
patent: 3144178 (1964-08-01), Sarnoff
patent: 4333456 (1982-06-01), Webb
patent: 4834717 (1989-05-01), Haber et al.
patent: 4931040 (1990-06-01), Haber et al.

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