Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1991-05-29
1992-12-01
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604110, 604187, 604232, 604403, 604201, A61M 532
Patent
active
051676419
ABSTRACT:
A medical injector system includes a hypodermic ampule having a body, a piston sealingly forwardly movable therein for defining a medicament chamber, a pierceable seal closing a front extremity of the ampule, a needle movably axially supported by the piston and biased rearwardly toward a retracted, cocked position. An actuator removably receives the ampule, and has a spring-loaded plunger for advancing the needle, and then the piston, whereby the needle reaches an extended position, medicament being injected from the needle during the forward movement of the piston. When the plunger is released, it retracts from the needle and the piston, the needle automatically retracting into the ampule for preventing accidental injury and contamination that might otherwise result from having the used needle in an exposed position.
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Autoject Preliminary Operating Instructions; Own Mumford Limited; no date.
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Insulin Therapy at Its Simplest advertisement; Squibb-Novo, Inc.; Jul. 1988.
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Arnis, Inc.
Connors John
Polutta Mark O.
Rosenbaum C. Fred
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