North America dominates the Suction Catheter for Adults market with a 35% share, driven by advanced healthcare infrastructure, high adoption of innovative medical devices, and robust R&D investments. Aging demographics and rising prevalence of chronic respiratory diseases further fuel demand. Europe follows at 30%, supported by stringent infection control policies, mature healthcare ecosystems, and strong reimbursement frameworks. The Asia Pacific region, growing at the fastest pace, accounts for 20%, propelled by urbanization, rising healthcare investments, and increasing awareness of respiratory care solutions. Infrastructure gaps, however, temper growth in parts of the region.