A hip cup extraction apparatus (101) comprising a shaft (402), a handle (404), a semicircular cutting blade (406), a spring loaded latching member (408), and a head (100) for removing a hip cup (405) from a pelvic bone (401). The head (100) includes a semispherical section (102) terminating in a substantially...http://www.google.ca/patents/US7998146?utm_source=gb-gplus-sharePatent US7998146 - Apparatus and method for hip cup extraction
