Patent ID: 8568333

Claim:
An apparatus for guiding a biopsy instrument with respect to a breast compressive surface having a plurality of grid apertures, the apparatus being insertable at different orientations into one or more grid apertures selected from the plurality of grid apertures, the apparatus comprising: a guide device comprising a body sized and shaped to be received in one or more of the grid apertures, wherein the body comprises: a first pair of opposed faces, with at least one guide hole extending between the first pair of opposed faces, wherein a first axis passes through both faces of the first pair of opposed faces, and a second pair of opposed faces, with at least one guide hole extending between the second pair of opposed faces, wherein a second axis passes through both faces of the second pair of opposed faces, wherein the second axis is non-parallel relative to the first axis, wherein the body is insertable into a first grid aperture of the grid apertures along an axis of insertion that is parallel to the first axis, wherein the body is insertable into the first grid aperture along an axis of insertion that is parallel to the second axis.