Mashiinka osmosis ee osmosis ( mashiinka rooga ) waa mashiin biyo saafi ah oo ka gudbaya biyaha ceeriin ah iyada oo loo maro filter fiican. Osmosis dib-u-celinta waa nooc cusub oo casri ah oo tikniyoolajiyad daaweyn biyo saafi ah. Iyada oo loo marayo element osmosis-ka si loo hagaajiyo daahirka tayada biyaha, ka saar cilado iyo cusbo ku jira biyaha. Mashiinkayaga RO ayaa inta badan loo isticmaalaa hemodialysis, isbitaal, shaybaarka.