1. Lub rooj ncig ncig yuav tsum tau muab tso ze rau qhov kawg ntawm qhov txhab. Lub sab caj npab thiab txhais taw yuav tsum ncab hauv 1/3 ntawm thaj chaw. Caj npab sab sauv ntawm 1/3 txwv tsis pub hloov hemodynamic, yog li kom zam kev puas siab puas ntsws los ntawm sab hauv lub cev tuag tes tuag taw.
2. Ua ntej daim ntaub qhwv ncig, ua ntej siv txoj phuam lossis lwm daim ntaub, paj rwb ntaub raws li ntaub qhwv, tourniquet yuav tsum tsis txhob khi ncaj qha rau daim tawv nqaij; Thaum muaj xwmtxheej ceev, tuaj yeem dov daim ntaub lossis xov xwm, thiab daim ntaub ncig ntawm nws.
3. Nws yog ib qho tsim nyog los khi lub elastic, dhau nruj yuav yooj yim rhuav tshem cov hlab ntsha, dhau xoob tsis tuaj yeem ua tiav lub hom phiaj ntawm hemostasis. Feem ntau, cov mem tes leeg hauv lub plawv tsis tuaj yeem chwv lossis qhov ntshav nres.
4. Lub sijhawm ua haujlwm ntev dhau lawm, tuaj yeem ua rau lub cev lim ntshav ischemic necrosis. Yog li ntawd, nws yog qhov yuav tsum tau so 2 ~ 3min Txhua 1H (sab qaum los yog nqaj); Thaum lub sijhawm so, daim ntawv thov ntawm cov ntiv tes nias kom nres ntshav ib ntus. Nws yuav tsum tau so txhua 30 feeb thaum lub caij txias.
5. Yuav tsum muaj lub logo rau ntawm cov txheej txheem sab saud, qhia txog lub sijhawm thiab qhov chaw ntawm kev ncig ncig. Cov raug mob nrog ncig (tourniquet) kom txhob los ntshav yuav tsum tau xa mus rau tsev kho mob sai li sai tau txhawm rau tiv thaiv qhov cuam tshuam ntawm caj npab los ntawm necrosis vim yog ischemia.
