Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1989-04-28
1992-02-25
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604220, 604228, A61M 500
Patent
active
050909622
ABSTRACT:
A single use syringe in the form of a cylindrical barrel with a first end attached to a hypodermic needle. A plunger and piston in the barrel draw liquid into the syringe through the hypodermic needle and eject the liquid through the hypodermic needle. The plunger includes a detent formed at an intermediate location. An insert at the second end of the barrel includes at least one cantilevered, longitudinally extending resilient arm with a follower at a free end thereof that rides over the plunger. When the plunger is pushed to a final position, the follower drops into the plunger detent to block any further longitudinal motion of the plunger and piston preventing any subsequent use.
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Landry, Jr. Maurice J.
Plouff Frederick L.
FLP Enterprises, Inc.
Polutta Mark O.
Rosenbaum C. Fred
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