Biliary stricture dilatation: use of the Grüntzig balloon catheter.

The Grünzig ballon catheter in use for angioplasty was found well suited for the dilatation of strictures in the biliary tract. It may be applied in benign or malignant strictures or for dilatation of the T-tube sinus tract. The application of the ballon catheter is described for malignant stricture dilatation preceding internal biliary drainage procedures.