Patent ID: 6248196
Filing Date: 2001-06-19
Classification: A61B,A61M,Y10T

Abstract:
A process for making a microcannula having a solid trochar with a pointed tip removably immobilized therein, said process comprising the steps of:providing a first hollow tube having a beveled end and distal end;aligning said first hollow tube with a second hollow tube, wherein said first tube is overlapped inside said second tube at said distal end;applying sufficient heat and pressure for a time to said overlap, wherein said first tube is welded at said distal end to said second tube, wherein a microcannula having an area of reduced inside diameter formed at said weld and a beveled end is produced; andinserting a solid trochar having a pointed tip into said microcannula such that said tip extends beyond said beveled end;whereby a microcannula having said solid trochar with said pointed tip removably immobilized therein is produced.