Plungerless syringe

Details Plungerless syringe Plungerless syringe

1995-05-02

1996-04-23

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604216, A61M 100

Patent

active

055099068

ABSTRACT:
A plungerless syringe which comprises a collapsible body having a sealed dispensing tip at one end and an actuating tab at the other end. The collapsible body is characterized by a plurality of rings concentrically arrayed on the surface of the body wall. When the actuating tab is depressed the body commences to collapse and a first ring is received within and frictionally engages a second succeeding ring and remains secured thereto.

REFERENCES:
patent: 3473524 (1969-10-01), Drewe
patent: 3844284 (1974-10-01), Schoenfeld et al.
patent: 4411656 (1983-10-01), Cornett, III
patent: 4753638 (1988-06-01), Peters
patent: 5242422 (1993-09-01), Schneberger et al.

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