Global Elderly Bath Chairs Market Size, Share & Demand Report By Product Type (Standard Bath Chairs, Transfer Benches, Shower Stools, Bariatric/Motorized Chairs), By Application (Residential, Hospitals, Nursing Homes, Rehabilitation Centers, Post-Operative & Bariatric Care), By Distribution Channel (Online Retail, Medical Supply Stores, Pharmacies, Direct Sales, Specialty Healthcare Stores), By Region & Segment Forecasts, 2025–2030