A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 16/00 (2006.01) A61B 5/08 (2006.01) A61B 5/085 (2006.01)
Patent
CA 2240733
Passive elastic and resistance values for a particular patient are estimated during proportional assist ventilation (PAV) and other forms of assisted ventilation to permit reliable adjustment for volume-related and flow-related assist gains to meet continuously varying patient muscle pressure (Pmus). Independent but simultaneous procedures are effected to determine the respective values. The pressure-volume relationship is determined by a modification of the inspiratory hold technique while the pressure-flow relationship is determined by deliberately introducing brief perturbations in pressure (Paw), flow and volume (V) and observing the effects obtained.
On estime des valeurs de résistance et élastiques passives pour un patient particulier au cours d'une ventilation assistée proportionnelle (PAV) et d'autres formes de ventilation assistée afin de permettre un réglage fiable des gains d'assistance relatifs au volume et au débit et l'adaptation à une pression musculaire du patient (Pmus) variant en continu. On met en oeuvre des processus indépendants mais simultanés pour déterminer les valeurs respectives. On détermine le rapport pression/volume en modifiant la technique de retenue inspiratoire, tandis que l'on détermine le rapport pression/débit en introduisant délibérément de brèves perturbations dans la pression (Paw), le débit et le volume (V), et en observant les effets obtenus.
Sim & Mcburney
University Of Manitoba
LandOfFree
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