Chidutswa chodabwitsa ichi cha "waya" ndi mtima wopindika. Chodziwika chifukwa cha kusinthasintha kwake komanso kukula kwake kochepa, chapulumutsa odwala ambiri omwe ali ndi matenda a mtima. Kale, ma stents amtima anali okwera mtengo kwambiri, zomwe zimapangitsa odwala kukhala ndi vuto lalikulu lazachuma. Mwamwayi, ndi chitukuko cha ultrafast laser processing teknoloji, stents mtima tsopano angakwanitse kwambiri.Ubwino wa ultrafast laser kudula mu micro- ndi nano-level processing wa zipangizo zamakono zamakono zikuwonekera kwambiri. Mtengo wotsika kwambiri wa magawo a TEYU S&A ultrafast laser chiller ndiyofunikiranso pakukonza laser, komwe kumakhudza ngati laser yachangu kwambiri imatha kutulutsa kuwala mokhazikika mu picoseconds ndi femtoseconds. Ultrafast laser idzapitirizabe kuswa mavuto ochulukirapo azinthu zazing'ono ndi za nano. Choncho idzagwiritsidwa ntchito kwambiri m'makampani azachipatala amtsogolo.