Various types of supporting structures, supporting devices, attachment mechanisms and attachment techniques may be provided to support and/or stabilize an intraosseous device installed at a target site in a patient. Various methods and procedures may also be provided to releasably engage a supporting structure or supporting device proximate a target site. Apparatus and methods may be provided to monitor performance of an intraosseous device during communication of drugs, medications and/or fluids with an intraosseous space.