Language: English-United States (English) Dansk-Danmark (Danish) Nederlands-Nederland (Dutch) Suomi-Suomi (Finnish) Français-France (French) Deutsch-Deutschland (German) Italiano-Italia (Italian) Norsk (Norwegian) Español-España (Spanish) Svenska-Sverige (Swedish) NxStage Dosing Calculator Do you prescribe in the United States? Yes No Remember my selection. ©2020 NxStage Medical, Inc. The NxStage trademark is registered in the U.S. Patent and Trademark Office and is owned by NxStage Medical, Inc. The NxStage trademark is also registered in the European Union, Canada, Australia, New Zealand and Japan. System One and PureFlow are trademarks of NxStage Medical, Inc.