Cov kab mob kis tau los ntawm kev siv tshuaj tua kabmob (infusionous infusion devices) yog ib qho tseemceeb thiab txoj hauv kev kho mob, tabsis thaum lub sijhawm xyoo 1930, kev soj ntsuam siv pom tias cov tshuaj tua kabmob (infusion devices) nyob rau hauv txoj kev kis mus rau kabmob yuav muaj ntau yam kev phom sij thiab kev sojntsuam qhia tau tias ib feem loj ntawm qhov kev mob tshwm sim los ntawm infusion yog tshwm sim los ntawm insoluble tiam. Cov tshuaj tua kab uas muab pov tseg cov xim lim tsuas yog lim tau loj dua 5 micron inch, thiab nws txoj kab uas sib npaug los yog tsawg tshaj li micron. Qhov muab tshuaj tua kab tua pov tseg tsis muaj peev xwm yuav lim tsis tau, yog li nws muaj peev xwm lim tau cov phom nrog 5 mm thiab me dua. Cov kev xav tau ntawm lub ntaus ntawv tuaj rau hauv. Raws li cov kev cai muab los ntawm Lub Xeev thiab Zaub Mov yeeb tshuaj, cov dej tso tawm uas yuav lim tau nrog cov kab uas muaj 5 microns thiab me me yog hu ua precision filter infusion sets.
