Surgical and medical apparatus and instruments namely, abdominal and laparotomy retractors, thoracic retractors, orthopedic retractors, breast retractors, nasal spreaders, grafts forceps, traction screens, anesthesia screens, hip surgery frames and operating table arm board; retractors; medical apparatus for use in laparoscopy namely mechanical arms with stiff liver lift and pectus excavatum system; medical holders namely mechanical arms, orthopedic positioners and instrument stands for ear, ...