Patent ID: 7169114

Claim:
A biopsy assembly for obtaining a tissue specimen and leaving a material in the biopsy track, said device comprising: a material delivery device, said material delivery device having: a syringe barrel, said syringe barrel having a needle attachment and a delivery material retaining area, a circular needle sheath, said needle sheath attaching to said needle attachment and being in fluid communication with said delivery material retaining area, a hollow plunger, said hollow plunger being dimensioned to slide within said syringe barrel and having: a hub at a first end, said hub having an opening dimensioned to receive a biopsy needle and a fluid seal member covering said hub, an open second end, said open second end being dimensioned to receive at least a portion of a biopsy unit, a biopsy unit, said biopsy unit having a needle to receive a tissue specimen, said needle being concentric with said needle sheath and having a diameter less than said needle sheath.