Affordable Medical Parts Store Has" Parts & Supplies for the Top Brand-name Manufacturers at Professional Pricing. Affordable Medical supply Store carries parts for Propaq, Welch Allyn, Criticare, Corometric, GE/Marquette, Nellcor, Datex, Novametrix, Maximo, Spacelabs, Chattanooga, Hewlett Packard, Invacare, BCI, Devilbiss, Quickee &, Sunrise; many more.