Patent ID: 6261243
Filing Date: 2001-07-17
Classification: A61B

Abstract:
A biopsy-marking assembly for obtaining a biopsy sample from a biopsy site in a patient and marking the biopsy site, comprising:an outer hollow needle defining a lumen therethrough;an inner needle having a first end and defining a tissue cutting point, a cavity adjacent said first end for receiving a tissue sample, and a marker chamber adjacent said first end,said inner needle being slideable relative to said outer needle between a first position wherein said first end of said inner needle is retracted within said lumen so that said outer needle covers said cavity and said marker chamber, and a second position wherein said first end of said inner needle is extended away from said outer needle to expose said first cavity and said marker chamber to tissue in the biopsy site; anda marking element contained within said marker chamber when said inner needle is in the first position.