hormonal contraceptive device implant contraceptive implant http://purl.bioontology.org/ontology/MEDDRA/10072571 http://purl.obolibrary.org/obo/NCIT_C92759 https://en.wikipedia.org/wiki/Contraceptive_implant An implantable medical device used for the purpose of contraception. The implant may depend on the timed release of hormones to hinder ovulation or sperm development, the ability of copper to act as a natural spermicide within the uterus, or it may work using a non-hormonal, physical blocking mechanism. contraceptive implants