Syringes and syringe capsules

Details Syringes and syringe capsules Syringes and syringe capsules

1974-09-03

1976-05-25

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128218P, 128234, A61M 500

Patent

active

039585700

ABSTRACT:
In a syringe or syringe capsule, particularly for micro-administration of highly viscous liquids, there are provided a zero or negative allowance between the barrel and the plunger and a low friction, resilient interface between the barrel and the plunger. There is thus provided a high pressure-resistant seal which, nevertheless, permits manual operation of the syringe with a reasonable amount of force.

REFERENCES:
patent: 2561233 (1951-07-01), Ryan et al.
patent: 2607342 (1952-08-01), Abel
patent: 2735735 (1956-02-01), Abel
patent: 2761447 (1956-09-01), Hersee
patent: 2842127 (1958-07-01), Everett
patent: 2933087 (1960-04-01), Hamilton
patent: 3026872 (1962-03-01), Prater, Jr.
patent: 3110309 (1963-11-01), Higgins
patent: 3150801 (1964-09-01), Hamilton
patent: 3366113 (1968-01-01), Hobbs
patent: 3566859 (1971-03-01), Schwartz
patent: 3730389 (1973-05-01), Harris, Sr. et al.

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