Qhov muaj ntau npaum li cas ntawm peb cov koob txhaj tshuaj yog 10ml, 20ml, 30ml thiab 50ml, qhov ntau npaum li cas ntawm roux syringe tuaj yeem kho tau yooj yim, koj tsuas yog yuav tsum tau teem lub koob tshuaj los ntawm tig lub log ntawm lub nraub qaum, nqa 50ml roux syringe. Piv txwv li, koj tuaj yeem teem qhov ntau npaum li cas ntawm 5ml mus rau 50m.

no roux syringe yog ib qho yooj yim mus use, yooj yim disassembled rau tu thiab sterization.