Self-locking control syringe

Details Self-locking control syringe Self-locking control syringe

1991-11-13

1993-06-01

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604218, 604187, A61M 5315

Patent

active

052155366

ABSTRACT:
A syringe for injecting medicinal fluids into a patient or aspirating fluids or tissue from a patient, wherein the syringe incorporates a self-locking mechanism on the plunger thus preventing the plunger from being withdrawn back into the barrel by the action of a vacuum in the syringe barrel. The self-locking mechanism is independent of the relative rotational relationship of the plunger with respect to the barrel. Unlocking may be effected by simply squeezing the self-locking mechanism on the plunger, no rotational force being necessary.

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