1. Ua los ntawm ntuj latex imported los ntawm Thaib teb thiab Malaysia2. Coated nrog silicone txheej txheej los tsim ib qho kev thaiv3. Cov ntaub ntawv pov thawj bio-compatibility zoo nrog cov ntawv qhia txog kev sim tshuaj lom neeg4. Zoo heev thiab du nto txo cov kev hloov ntawm encrustation5. Txhim khu kev ruaj ntseg zais pa pov thawj nrog cov ntawv xeem6. Qhov zoo ntawm lub zais pa rov zoo txo cov neeg mob tsis xis nyob thaum tshem catheter7. Kev tswj xyuas zoo ntawm ID thiab OD kom ntseeg tau tias cov zis ntws zoo8. Hydrophilic coated catheters muaj.