The makina oyamwa amagwiritsidwa ntchito poyamwa magazi, kutuluka, mafinya, ndi zomwe zili m'mafupa a thoracic panthawi ya opareshoni kuti ntchitoyo ikhale yomveka bwino komanso kuchepetsa mwayi woipitsidwa. Itha kugawidwa ngati magetsi onyamula makina oyamwa , makina amagetsi amagetsi amagetsi amagetsi ndi zina zotero.