A balloon for use in compressing cancellous bone and marrow (also known as medullary bone or trabecular bone). The balloon comprises an inflatable balloon body for insertion into said bone. The body has a shape and size to compress at least a portion of the cancellous bone to form a cavity in the cancellous...http://www.google.ca/patents/US20040092948?utm_source=gb-gplus-sharePatent US20040092948 - Inflatable device for use in surgical protocol relating to fixation of bone
