Device is something made or constructed for a particular purpose.
contraceptive d. Any device used to prevent conception, including intrauterine devices and barrier type contraceptives. See also method.
intrauterine d. A metal or plastic loop or spiral inserted into the uterus to prevent conception.
ventricular assist d. A device used to increase the function of one or both ventricles of the heart; consists of one or two pumps with afferent and efferent conduits attached to provide pulsative blood flow.