Injection syringe

Details Injection syringe Injection syringe

1979-08-20

1981-07-07

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128234, A61M 500

Patent

active

042768780

ABSTRACT:
An injection syringe useful in the medical arts for injecting high viscosity pastes, especially in endoscopic applications. The syringe includes a long cylinder with a relatively small diameter bore. A relatively short cannula can be connected to the cylinder to receive paste from the bore. The cylinder has a large hoop strength, and may be flexible. Paste is extruded by a piston assembly which includes a driven piston and a flexible piston rod adapted to be advanced by a grip mechanism. Preferably the piston rod is a flexible wire which includes a plurality of balls that are spindled on it, and are side-supported by the cylinder.

REFERENCES:
patent: 2883984 (1959-04-01), Candido, Jr. et al.
patent: 3110310 (1963-11-01), Cislak
patent: 3517668 (1970-06-01), Brickson

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