The present invention provides a method for producing a bone joining device having a head portion, the method comprising the step of press-molding a (primary) molded article to form a head portion, and a bone joining device having a head portion, wherein the molecular orientation in the (primary) molded...http://www.google.com/patents/US6905501?utm_source=gb-gplus-sharePatent US6905501 - Bone connecting device and method of manufacturing the same