Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1994-03-21
1995-10-17
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604110, A61M 500, A61M 531
Patent
active
054585805
ABSTRACT:
An improved syringe apparatus for use with interchangeable, disposable medicinal ampoules is provided with an advantageous mechanism for facilitated, one-handed operation in the ejection of a spent ampoule. The improved construction also includes a needle ejector projection for one-handed ejection of the used, disposable needle assembly. An improved cap apparatus for covering the needle assembly is also provided.
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patent: 3141583 (1964-07-01), Mapel et al.
patent: 4457712 (1984-07-01), Dragan
patent: 4784607 (1988-11-01), Francois
patent: 4950163 (1990-08-01), Zimble
patent: 4985020 (1991-01-01), Kasuya
Rosenbaum C. Fred
Wilkens III Frank
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