Patent ID: 6013035
Filing Date: 2000-01-11
Classification: A61B

Abstract:
A probe for penetrating into a patient's body comprising:a) a hollow needle portion, said needle defining a longitudinal axis and having a first outwardly flared flange formed thereon for grasping said needle;b) a stylet portion adapted to slid into said needle in an axial direction, at least first and second substantially opposing projections formed on said stylet and extending substantially radially outward therefrom so as to form a second flange; andc) means for locking said stylet onto said needle so as to prevent said stylet from sliding back out of said needle in an opposite axial direction by interlocking said first and second flanges, said interlocking flange locking means comprising a chamber formed in said first flange, said second flange being insertable into said chamber.