×

Biopsy needle

  • US 8,343,073 B2
  • Filed: 09/10/2009
  • Issued: 01/01/2013
  • Est. Priority Date: 09/17/2004
  • Status: Active Grant
First Claim
Patent Images

1. A biopsy needle, comprising:

  • an outer cannula;

    an inner cannula including a distal end and a proximal end, the outer cannula being shaped and dimensioned to closely circumscribe the inner cannula for movement relative thereto;

    the inner cannula further including a sample recess at the distal end of the inner cannula, the sample recess including a forward wall and a rear ward wall, the forward wall including multiple concave surfaces composed of a first cavity intersecting with a second cavity wherein the first cavity has a first shape and the second cavity has a second shape;

    wherein the first shape is different from the second shape, the first cavity having a parabolic shape and the second cavity having a circular shape.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×