TISSUE COLLECTION ASSEMBLY FOR BIOPSY DEVICE

摘要

A biopsy device comprises a probe body, a needle portion, a hollow cutter, and a tissue sample holder. The needle portion extends distally from the probe body and comprises a transverse tissue receiving aperture. The hollow cutter is translatable relative to the needle portion to sever a tissue sample from tissue protruding though the aperture. The hollow cutter defines a cutter lumen. The tissue sample holder comprises a body and a tissue sample tray. The tissue sample tray is removably engaged with the body and comprises a downwardly extending lumen. The downwardly extending lumen includes a pair of lower openings which are in communication with a chamber defined by the tissue sample tray.

主权项

1. A biopsy device, the biopsy device comprising:
(a) a probe body; (b) a needle portion extending distally from the probe body, wherein the needle portion comprises a transverse tissue receiving aperture; (c) a hollow cutter, wherein the cutter is translatable relative to the needle portion to sever a tissue sample from tissue protruding through the aperture, wherein the hollow cutter defines a cutter lumen; and (d) a tissue sample holder, wherein the tissue sample holder comprises:
(i) a body, and(ii) a tissue sample tray, wherein the tissue sample tray is removably engaged with the body, wherein the tissue sample tray comprises a downwardly extending lumen, wherein the downwardly extending lumen includes a pair of lower openings, wherein the tissue sample tray defines a chamber, wherein the chamber is in communication with the pair of lower openings through a plurality of openings in the tissue sample tray.