Lolu cezu "lwentambo" olungavamile luyisilonda senhliziyo. Eyaziwa ngokuguquguquka kwayo kanye nobukhulu bayo obuncane, isisindise iziguli eziningi ezinesifo senhliziyo. Ama-stents enhliziyo ayevame ukuba yimpahla yokwelapha ebizayo, edala umthwalo onzima wezezimali ezigulini. Ngenhlanhla, ngokuthuthukiswa kobuchwepheshe bokucubungula i-laser obusheshayo, ama-stents enhliziyo manje asethengeka kakhulu.Izinzuzo zokusika i-laser esheshayo ekucutshungulweni kwezinga le-micro- kanye ne-nano-level yezinto zesimanje zokwelapha ziba sobala kakhulu. Ukulawulwa kwezinga lokushisa okunembe okuphezulu kwe-TEYU S&A i-laser chiller esheshayo ibalulekile futhi ekucutshungulweni kwe-laser, okuthinta ukuthi i-laser esheshayo ingakhipha ukukhanya ngokuzinzile kuma-picoseconds nama-femtosecond. I-Ultrafast laser izogcina yephula izinkinga eziningi zokucubungula zezinto ezincane kanye ne-nano. Ngakho izosetshenziswa kabanzi embonini yemishini yezokwelapha yesikhathi esizayo.