A device for percutaneously excising tissue. In an embodiment, the device
comprises an elongate body including a first member having a distal
cutting end and a second member that slidingly engages the first member.
In addition, the second member includes a tissue capture chamber having
an opening facing the first member. Further, the first member is moveable
relative to the second member between an opened position and a closed
position, wherein the first member is disposed across the tissue capture
chamber of the second member when the first member is in the closed
position.