Catheter with radiographic contrast strips

Details Catheter with radiographic contrast strips Catheter with radiographic contrast strips

1982-05-05

1984-05-08

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

128419P, A61M 2500

Patent

active

044472390

ABSTRACT:
A catheter is provided with a first radiographic contrast strip extending helically on or in the catheter wall with a constant pitch and a second such strip which is either disposed on a longitudinal generatrix of said wall to intersect said first strip once per convolution thereof or extends helically at the same constant pitch but in the opposite direction to intersect said first strip twice per convolution on respective opposite longitudinal generatrices.

REFERENCES:
patent: 3070132 (1962-12-01), Sheridan
patent: 3485234 (1969-12-01), Stevens
patent: 3509883 (1970-05-01), Dibelius
patent: 3568660 (1971-03-01), Crites
patent: 3938529 (1976-02-01), Gibbons
patent: 4073287 (1978-02-01), Bradley et al.

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