A colposcopic surgical punch instrument includes a hollow tube and a push rod extending through the hollow tube. A handle is coupled to the proximal end of the tube and an actuation lever is pivotally coupled to the handle and the proximal end of the push rod for effecting axial movement of the push...http://www.google.com/patents/US5893876?utm_source=gb-gplus-sharePatent US5893876 - Colposcopic biopsy punch with removable multiple sample basket
