Balloon dilation catheter with hypotube

Details Balloon dilation catheter with hypotube Balloon dilation catheter with hypotube

1994-11-03

1995-08-08

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

606194, A61M 2900

Patent

active

054394473

ABSTRACT:
A balloon dilation catheter includes a distal monorail section, to which a balloon is secured, and a catheter body tube including a monorail section. A guide tube extends through the balloon and has a proximal end sealed to a guide wire port in the body tube. A guide wire extends along the body tube and through the guide tube. To stiffen the body tube while maintaining maximized fluid flow area, a stainless steel hypotube extends through the proximal body tube, has a distal opening positioned adjacent the guide wire port and a solid reinforcing tapered distal end section that extends across the guide port. The hypotube can be fixed or removable. Alternatively, the hypotube divides the interior of the proximal body tube section into two separate flow passages to enable positive purging.

REFERENCES:
patent: 5261879 (1993-11-01), Brill
patent: 5306247 (1994-04-01), Pfenninger

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