Ichi chimedu chisingashamisi che "waya" ishungu dzemoyo. Inozivikanwa nekushanduka kwayo uye hukuru hudiki, yakaponesa varwere vazhinji vane chirwere chemoyo. Mwoyo stents aimbove zvinhu zvekurapa zvinodhura, zvichigadzira mutoro unorema wemari kuvarwere. Neraki, nekuvandudzwa kweiyo Ultrafast laser processing tekinoroji, moyo stents ikozvino yakanyanya kudhura.Zvakanakira zve Ultrafast laser yekucheka mune micro- uye nano-level kugadzirisa kwezvinhu zvemazuva ano zvekurapa zviri kuwedzera kuoneka. Iyo yakakwira chaiyo temp kutonga kweTEYU S&A Ultrafast laser chiller yakakoshawo mukugadziriswa kwelaser, iyo ine chekuita nekuti ultrafast laser inogona kuburitsa mwenje zvakatsiga mupicoseconds uye femtoseconds. Ultrafast laser icharamba ichityora zvakanyanya kugadzirisa matambudziko emicro uye nano zvinhu. Saka ichashandiswa zvakanyanya mune ramangwana rezvokurapa mudziyo indasitiri.