Arphid Watch: embedded in your prosthetic

http://www.readwriteweb.com/archives/the_bees_knees_ibms_rfid_to_track_prosthetics.php

"… the company will embed the tags into knee and hip replacements and use them to alert patients to any product-related concerns.

"Prior to shipping prosthetic parts, Implanet embeds an RFID tag with the device model, serial number and latest info enclosed. Prior to surgery, the hospital scans the tag and IBM's WebSphere Sensor Events software uploads the information to a server. Patients are then given the tag