An elongated shaft is sized and configured to establish an access path to bone having an interior volume occupied, at least in part, by cancellous bone. The elongated shaft includes a distal end portion having a side opening. A first tool is sized and configured to be carried by the shaft and includes...http://www.google.com.hk/patents/US20080058827?utm_source=gb-gplus-share專利 US20080058827 - Methods for treating a fractured and/or diseased and/or weakened bone
