Injection syringe for medical purposes

Details Injection syringe for medical purposes Injection syringe for medical purposes

1988-07-22

1990-08-28

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604221, 604218, A61M 500

Patent

active

049522086

ABSTRACT:
An injection syringe for medical purposes, in which the syringe plunger or a plunger-side end of the syringe cylinder is shaped or provided with components to ensure at least one flow passage or connection between an inner cylindrical space of the cylinder and outer environment, when the plunger is partially, but not completely, introduced into the syringe cylinder.

REFERENCES:
patent: 2591046 (1952-04-01), Brown
patent: 2717601 (1955-09-01), Brown
patent: 3255752 (1966-06-01), Dick
patent: 4496344 (1985-01-01), Kamstra
patent: 4540410 (1985-09-01), Wood et al.
patent: 4599082 (1986-07-01), Grimard
patent: 4690154 (1987-09-01), Woodford et al.

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