Source:http://linkedlifedata.com/resource/umls/id/C0021107
CSP: artificial substitutes for body parts, and materials surgically inserted or grafted into the body, tend to be used therapeutically or experimentally; implants are intended to be permanent or long term, they penetrate living tissue and therefore have a physiologic interaction with the body, and are frequently retrievable.,NCI: A surgical procedure that places something in the human body.