Needle cannula

Details Needle cannula Needle cannula

1980-10-02

1982-06-22

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

128221, A61M 500

Patent

active

043357180

ABSTRACT:
A needle cannula comprises a hollow tubular member having a first portion and a second portion terminating in a sharp point. The outside diameter of the second portion is less than the outside diameter of the first portion, while the inside diameter of the second portion is not less than the inside diameter of the first portion.

REFERENCES:
patent: 3388703 (1968-06-01), Bowes
patent: 4020837 (1977-05-01), Larson
patent: 4250881 (1981-02-01), Smith

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