Spirometers Market Size, Share, Opportunities, And Trends By Platform (PC or Laptop, Hand-held, Table-top), By Type (Pneumotachometer, Incentive spirometer, Windmill-type spirometer, Tilt-compensated spirometer, Others), By Technology (Volumetric Spirometers, Flow measuring Spirometers), By Application (Diagnostic, Therapeutic), By End-User (Hospitals, Clinics, Ambulatory Care Units, Household), And By Geography - Forecasts From 2025 To 2030