These are biopsy site marking devices. More particularly, the devices include a body of gelatin and an x-ray detectable body of a specific, predetermined non-biological configuration embedded in the body of gelatin. In one embodiment, the x-ray detectable body is made from metal. In alternative embodiments,...http://www.google.se/patents/US7668582?utm_source=gb-gplus-sharePatent US7668582 - Biopsy site marker
