Apparatus and related method for infusing liquids and drugs into, or aspirating marrow from, the trabecula of a patient's bone. The apparatus enables the user to reliably determine when an enlarged, threaded tip of an infusion/aspiration tube has reached the trabecular bone, and a spring bias ensures...http://www.google.com/patents/US4969870?utm_source=gb-gplus-sharePatent US4969870 - Method and apparatus for intraosseous infusions
