Self-centering catheter

Details Self-centering catheter Self-centering catheter

1992-04-29

1992-11-17

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

A61M 2500

Patent

active

051639289

ABSTRACT:
An elongated tubular catheter adapted for use in an artery or vein is provided. The catheter has a central axis, a proximal end and a distal end. The catheter has a distal portion including a curved portion and an end portion. The end portion has a first opening. The curved portion defines a zone substantially encircling the central axis and has openings facing the axis. The catheter terminates in the end portion. The end portion extends from the curved portion to a position substantially along the axis facing proximally. In use the curved portion centers the catheter and causes the end portion first opening and all other openings to be spaced from the wall of the artery or vein.

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patent: 4738667 (1988-04-01), Galloway
patent: 4747840 (1988-05-01), Ladika et al.
patent: 4846814 (1989-07-01), Ruiz
patent: 4961731 (1990-10-01), Bodicky et al.

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