Arnold M. Heyman;Thomas R. Thornbury;Rangasamy Ramanathan;Craig R. McCrary
发明人:
Rangasamy Ramanathan,Arnold M. Heyman,Thomas R. Thornbury,Craig R. McCrary,RAMANATHAN RANGASAMY,HEYMAN ARNOLD M,THORNBURY THOMAS R,MC CRARY CRAIG R
申请号：
US13506259
公开号：
US20130199531A1
申请日:
2012.04.09
申请国别(地区):
US
年份:
2013
代理人:
摘要：
An air or oxygen flow supply system between a supply source and nasal prongs applicable to a patient, comprising a succession of flow ducts having different flow areas, there being junctions between successive of the ducts, the flow areas defined by A1, A2 - - - An where n>；2, the flow areas decreasing at the junctions, in the direction of the flow.
