Tools for use in the creation of cavities in bones. The tools include a probe, a cannula that provides percutaneous passageway to the interior of the treated bone, a bone tamp, and a system for delivering bone filler material into the cavity. The bone tamp has a shaft that is inserted into the bone through...http://www.google.com/patents/US20020032447?utm_source=gb-gplus-sharePatent US20020032447 - Tools and methods for creating cavities in bone
