Prisma SMART Auto CPAP MachineIntroducing Lowenstein Prisma CPAP machine, designed for therapy flexibility and comfort for treatment of Obstructive Sleep Apnea (OSA). With assistance from Forced Oscillation Technique (FOT), Prisma reliably distinguishes between obstructive and central apnea. In response to events, the APAP therapy device automatically and continuously adjusts pressure exactly to your needs. Because the APAP modes can be combined with the gentle pressure relief