Patents by Inventor Christopher Mark Bradley

Christopher Mark Bradley has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5730372
    Abstract: The invention is directed to a method and apparatus for producing bone graft material for use in conjunction with bone grafting procedures wherein fragments of bone material are placed within a hollow receptacle (12) which has a periphery wall defining a milling chamber and a removable base plate (11) which is releasably secured by fasteners (13) to the open bottom end of the receptacle (12). A crushing tool (18) slidably engages within the chamber and is caused to impact against the bone fragments so as to consolidate same into a solid physical mass, whereafter the consolidated crushed bone material is machined or ground using a spherical reamer (22) attached to a power drill (23). Preferably the bone material is crushed by means of a hammer (20) which is manually impacted against the top end of the crushing tool (18).
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: March 24, 1998
    Inventor: Christopher Mark Bradley