1. Paub cov npe, siv thiab disassembly ntawm txhua lub twj paj nruag.
2. Tag nrho cov twj paj nruag yuav tsum tau ua tib zoo saib xyuas, thiab tsis muaj kev cuam tshuam, rub, sib tsoo, lossis tuav ntau yam twj paj nruag hauv ib tes tib lub sijhawm.
3. Thaum siv, tu thiab tu txhua yam cuab yeej, cov pob qij txha yuav tsum tsis txhob raug yuam, cov lus qhia yuav tsum tsis txhob kov cov khoom tawv, thiab cov khoom me me ntawm cov twj paj nruag yuav tsum tsis txhob poob.
4. Siv cov roj nplua nyeem rau cov pob qij txha txav tau ntawm cov khoom siv, thiab tswj txhua yam khoom siv ib zaug ib lub lim tiam kom tsis txhob muaj paj ntaub thiab ua kom muaj kev ua haujlwm zoo.
5. Cov cuab yeej ntse yuav tsum tau muab tso rau ntawm cov roj hmab tiv thaiv npog ua ntej cia kom tsis txhob ua rau cov hniav puas.
6. Cov tsos ntawm electrocoagulation thiab hluav taws xob txiav cov cuab yeej yog them nrog ib txheej rwb thaiv tsev tubular. Xyuas seb cov txheej txheej rwb thaiv tsev puas zoo ua ntej siv dua los tiv thaiv kom tsis txhob muaj hluav taws xob thaum lub sijhawm ua haujlwm thiab kev puas tsuaj rau tus neeg teb xov tooj.
7. Ua tib zoo saib xyuas kev tiv thaiv ntawm daim iav saum npoo: Thaum lub lens endoscope tsis siv ib ntus, qhov kawg ntawm daim iav yuav tsum tau npog nrog lub hau tiv thaiv; Thaum muaj dej stains los yog stains ntawm daim iav saum npoo, koj tuaj yeem so nws nrog cov ntawv ntxuav lo ntsiab muag lossis so nrog xab npum dej thiab cov paj rwb ua ntej, thiab tom qab ntawd so nrog cov paj rwb huv si.
8. Thaum khaws cov koob yees duab xov hlau, cov lus qhia fiber ntau, thiab lwm yam tom qab ntxuav, lawv yuav tsum tau muab tso rau hauv ib lub voj voog thiab tsis txhob muab tais kom tsis txhob muaj cov xov hlau tawg. Txhua lub xaim yuav tsum tau muab tso rau hauv qhov tseeb tom qab txuas nrog tus tswv tsev kom tsis txhob muaj kev puas tsuaj rau lub ntsaws.
