Epidural cannula

Details Epidural cannula Epidural cannula

1993-05-05

1994-11-15

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604117, 604239, A61M 532, A61M 500

Patent

active

053643739

ABSTRACT:
An epidural cannula for local anesthesia having a cannula point with an adjacent lateral opening parallel to the longitudinal axis of the cannula. The cannula has a cross-sectional enlargement spaced from the point and having an area directed toward the point that forms an angle greater than 30.degree. relative to the longitudinal axis of the cannula.

REFERENCES:
patent: 824686 (1906-06-01), Daniel
patent: 3081770 (1963-03-01), Hunter
patent: 3540447 (1970-11-01), Howe
patent: 4002174 (1977-01-01), Reed et al.
patent: 4335718 (1982-06-01), Calabrese
patent: 4735612 (1988-04-01), Chevalier
patent: 4781691 (1988-11-01), Gross
patent: 4861341 (1989-08-01), Woodburn
patent: 5195526 (1993-03-01), Michelson

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