A biopsy punch includes a hollow longitudinal shaft with an inner perimeter proximal restriction point and an inner perimeter distal restriction point a tubular blade affixed to a distal end of the hollow longitudinal shaft, wherein the tubular blade forms a first chamber a plunger configured to slide within the hollow longitudinal shaft a withdrawer/ejector housed within the plunger a withdrawer/ejector piston affixed to a distal end of the withdrawer/ejector a restriction piston affixed around a perimeter of the plunger a second chamber formed within the plunger between a distal end of the plunger and the withdrawer/ejector piston and a hollow needle configured to move into and out of the first chamber via the plunger, wherein the hollow needle is affixed at a proximal end to the distal end of the plunger, and wherein the proximal end of the needle extends into the second chamber.
