Patent ID: 8532748

Claim:
A biopsy target assembly comprising: (a) a biopsy device comprising: i. an outer biopsy needle having a tissue piercing distal tip and a side tissue receiving opening, and ii. a hollow interior cutter translatable within at least a portion of the outer biopsy needle, the cutter operable to sever tissue received in the side tissue receiving opening, wherein the cutter has an interior wall surface defining a lumen; and (b) an elongate member insertable through a proximal end of the cutter and thereby through the lumen of the cutter defined by the interior wall surface of the cutter, the elongate member carrying at least one isotope, wherein the elongate member is slidable within the cutter to position the at least one isotope in relation to the tissue receiving opening of the outer biopsy needle; wherein the cutter is interposed between the at least one isotope and the side tissue receiving opening.