초록 ▼

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

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.

대표청구항 ▼

A breathing circuit which comprises: coupling means adapted to be coupled to a patient and through which the patient can inhale and exhale; a source of supply fluid for the patient; a coaxial tube type main tube coupled between said coupling means and said supply source, and comprising an inner flex

A breathing circuit which comprises: coupling means adapted to be coupled to a patient and through which the patient can inhale and exhale; a source of supply fluid for the patient; a coaxial tube type main tube coupled between said coupling means and said supply source, and comprising an inner flexible tube constituting an inhalant circuit and a corrugated outer tube having a larger average wall thickness than said inner tube, said outer 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 for keeping said inner tube and said outer tube at a prescribed distance from each other; the average wall thickness of said inner tube being 20 to 60% of the average wall thickness of said outer tube.