Patent ID: 8057402

Claim:
A biopsy device, wherein the biopsy device comprises: (a) a needle, wherein the needle comprises: (i) a tissue piercing tip, (ii) a first lumen configured to receive a cutter, (iii) a second lumen, wherein the second lumen is in fluid communication with the first lumen, and (iv) a transverse tissue receiving aperture in fluid communication with the first lumen; (b) a handpiece, wherein the needle extends from the handpiece; (c) a vacuum pump, wherein the vacuum pump is positioned within the handpiece; (d) a cutter, wherein the cutter is rotatable and translatable within the first lumen of the needle; (e) a motor, wherein the motor is configured to drive the cutter and the vacuum pump; (f) a valving mechanism configured to selectively redirect fluid communication to the second lumen, wherein the valving mechanism is located within the handpiece, wherein the valving mechanism comprises a manifold and a valving member within the manifold, wherein at least a portion of the manifold is in communication with the vacuum pump; and (g) a clutching mechanism, wherein the clutching mechanism is configured to selectively engage the motor with the cutter, wherein the clutching mechanism comprises a first portion integral with the valving member.