Syringe

Details Syringe Syringe

1980-09-22

1981-12-01

Vasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128234, A61M 500

Patent

active

043030700

ABSTRACT:
A syringe includes an outer cylinder, a gasket having at least one part which slidably contacts the inner wall of the cylinder and being made of an elastomer material including a block copolymer having styrene units at both terminal ends, and means for sliding the gasket inside the cylinder. The slidably contacting part is compressed inside the cylinder at a compressiblity C (%) of a predetermined range selected according to a particular inner diameter of the cylinder. The product of the total contact area S (mm.sup.2) at the compressibility C (%) of the contacting part with the inner wall of the cylinder with the compressibility C (%) is about 350 to about 900.

REFERENCES:
patent: 3147753 (1964-09-01), Nogier et al.
patent: 3151617 (1964-10-01), Baum
patent: 3166993 (1965-01-01), Blenkle
patent: 3176595 (1965-04-01), Schwartz
patent: 4074715 (1978-02-01), Geiger

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