A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 16/00 (2006.01) A62B 7/10 (2006.01)
Patent
CA 2537347
An improved insufflation-exsufflation system with percussive assist for removal of broncho-pulmonary secretions includes a conduit for connection to a patient's airway; a pressure source for providing to the conduit alternating positive and negative pressure fluctuations at a first rate corresponding to patient insufflation-exsufflation; and a control mechanism for varying pressure during positive and negative pressure fluctuations at a second higher rate to periodically decrease the positive pressure during positive fluctuations and decrease the negative pressure during negative fluctuations to provide percussive pulses during at least one of insufflation-exsufflation to clear broncho-pulmonary secretions from the patient's airway.
L'invention concerne un système d'insufflation-exsufflation amélioré doté d'un dispositif à percussion qui permet d'extraire les sécrétions bronchopulmonaires. Ce système comprend un tube relié aux voies aériennes du patient; une source de pression pour soumettre le tube à des variations de pression positive et négative, alternativement, selon un premier débit correspondant à la phase d'insufflation-exsufflation du patient; ainsi qu'un mécanisme de commande pour faire varier la pression au cours des variations de pression positive et négative selon un second débit plus élevé pour réduire périodiquement la pression positive au cours des variations positives et réduire la pression négative au cours des variations négatives, de manière à appliquer des impulsions vibratoires pendant l'insufflation et/ou l'exsufflation et évacuer ainsi les sécrétions bronchopulmonaires des voies aériennes du patient.
J.h. Emerson Company
Respironics Inc.
Smart & Biggar
LandOfFree
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