METHOD OF MAKING A GROOVED MEDICAL TUBE AND APPARATUS FOR GROOVING THE TUBE

摘要

A method of making a suction catheter having grooves and suction holes in the grooves is disclosed which includes the step of clamping a tube to effect a bulge and moving a knife longitudinally of the tube to skive the outer portion of the bulge to form a groove after clamping pressures are removed. Holes are formed in the bottom walls of the grooves. Skiving apparatus is disclosed which includes a clamping device for positioning and bulging a tube adjacent one end, and a knife relatively movable longitudinally of the tube to skive the bulge.