Patent ID: 6962592

Claim:
An apparatus for cutting shaped pieces of bone from allograft bone, the apparatus comprising: a. a stationary base frame comprising: i. a horizontal metal base plate; ii. a vertically oriented cylindrical mandrel supported from the base plate and having an upper flat surface; iii. a table surrounding the mandrel and having a top surface flush with the upper flat surface of the mandrel and having an opening therein disposed so as to create a substantially uniform gap around the uppermost flat surface of the mandrel; and iv. two vertical guideposts; and b. an upper moveable portion consisting of a horizontal metal plate with a penetration therethrough and having attached to the horizontal metal plate: i. two bushings that slide upon the two vertical guideposts; ii. a hollow cylindrical cutting blade attached to the horizontal metal plate and oriented downward from beneath the penetration; and iii. a force distributing channel arch spanning the penetration.