Ключевые слова: aortic, beat, cahge, cardiac, cardiothoracic, chest, child, clamp, close, closeup, detail, disease, fingers, hand, hands, heart, human, instrument, instruments, knot, little, live, macro, medical, medicine, membrane, mitral, open, operating, operation, organ, pathology, procedure, real, retractor, ribspreader, skin, small, surgeon, surgery, surgical, technique, thread, tool, tools, tying, valve, vessel, view,