Artificial cardiac valves; Subcutaneous valves comprised of artificial materials for implantation; Embolic devices for use in vascular procedures.; Surgical devices and instruments; Artificial heart-lung machines; Cardiac valves for surgical prostheses; Implants consisting of artificial materials; Medical apparatus and instruments for use in surgery; Magnetic resonance imaging apparatus for medical purposes; Implantable drug delivery ports; Implantable drug delivery pumps; Surgical compressors; Clips, surgical; Surgical robots; Surgical instruments and apparatus; Pulse rate monitors; Medical devices, namely, surgical devices that facilitate the identification, separation or ablation of biologic tissues