BEATMUNGS- ODER INHALATIONSKREIS BZW. -ANORDNUNG

摘要

A breathing circuit which comprises a coaxial tube type main tube comprising an inner flexible tube constituting an inhalant circuit and a corrugated outer tube having a larger average wall thickness than said inner tube, encircling the periphery of said inner tube, and defining an exhalant circuit in conjunction with said inner tube; and an inner tube retaining member disposed at least at one end of said coaxial tube type main tube and serving to keep said inner tube and said outer tube at a prescribed distance from each other.