Publication number: 20080251073
Abstract: A ventilation tube (20, 120, 220) is disclosed. The ventilation tube (20, 120, 220) comprises an inner wall (22, 122, 222) that defines a fluid passageway for 5 ventilation gases, an outer wall (24,124,224) that surrounds the inner wall (22, 122, 222) and has a greater thickness than the inner wall (22, 122, 222), a helical separator member (26, 126, 226) interposed between the inner and outer walls (22, 122, 222, 24, 124, 224) so as to define an insulation chamber between the inner and outer walls (22, 122, 222, 24, 124, 224), and a heating element (28, 128, 228) disposed within the insulation chamber.
Type:
Application
Filed:
October 20, 2006
Publication date:
October 16, 2008
Applicant:
INTERSURGICAL AG
Inventors:
Surinderjit Kumar Jassell, Kumaraguru Muthuswamy