Product type segmentation within the Disposable Pressure Extension Tube market taxonomy differentiates on lumen configuration and pressure tolerance, each shaping ASP and procurement cycles. Single-lumen tubes hold roughly 61 % revenue share; they are favoured in routine monitoring for their low cost and disposability, but unit growth is slowing as bundled tenders rise. Double-lumen lines claim โ28 % of value, offering simultaneous pressure and flush channels that reduce connection points and infection riskโjustifying a 30-35 % price premium. Triple-lumen tubes occupy a niche 11 % slice, utilised in complex cardiac or electrophysiology procedures where multiple simultaneous waveforms are required; volumes are cyclical, tied to capital equipment replacement schedules. Material choiceโPVC, TPU, or specialty polymersโmodulates compliance and biocompatibility, yet within each sub-type, price erosion averages 2-3 % YoY as conversion from reusable systems accelerates.