Syringe locking device

Details Syringe locking device Syringe locking device

1985-06-10

1986-09-09

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

A61M 5315

Patent

active

046106723

ABSTRACT:
A locking device attached to the exterior of a syringe barrel includes a flat body having a circular opening therein for passage of a syringe plunger reciprocatably therethrough. Arms depend from the flat body to frictionally hold the device against rotation with respect to the syringe barrel when a syringe plunger is rotated to engage the locking device. At least two ridges extend chordally across the circular opening, the distance between the ridges being selected so that the ridges engage the syringe plunger when the plunger is oriented in one position but not when the plunger is oriented in another position.

REFERENCES:
patent: 2869541 (1959-01-01), Helmer et al.
patent: 2959170 (1960-11-01), Laub
patent: 3747812 (1973-07-01), Karman et al.
patent: 3938505 (1976-02-01), Jamshidi
patent: 4064879 (1977-12-01), Leibinsohn
patent: 4386606 (1983-04-01), Tretinyak et al.

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