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US 2010/0076342 A1Published application
Biopsy needle
OwnerStuart H. Millerinventor
Life of this patent
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Abstract
A biopsy needle includes an outer cannula and an inner cannula. The inner cannula includes 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 includes a sample recess at its distal end, the sample recess including a dual cavity recess, wherein a first cavity has a parabolic shape and the second cavity has a circular shape.
Claims5
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 its distal end, the sample recess including a dual cavity recess, 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.
Dependencies are inferred from the claim text.