To help improve patient acceptance of long-term internal/external cath
eter access to the biliary tract in those with benign biliary obstruct
ion, a simple design allows the catheter end to remain flush with the
skin. It consists of a clothes button affixed to the drainage catheter
with a wood screw after the catheter has been cut off al the skin exi
t. This button/screw device has been used successfully in 22 patients
over the last 10 years; catheter exchanges were easily accomplished.