Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1997-03-24
1999-02-02
Weiss, John G.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820523, 12820014, 12820016, 12820222, A61M 1500
Patent
active
058651713
ABSTRACT:
A nebulizer includes an arrangement for forming a mist from a liquid and an arrangement for delivering the mist to a patient. The delivery arrangement includes an air circulation passage having an air inlet and an outlet to the patient, between which the mist that is formed is taken up by a current of air, together with an outlet to the open air. The nebulizer also has an inlet check valve in the air inlet, an outlet check valve in the outlet to the open air and an arrangement for sensing the pressure in the conveyor means, together with an arrangement for delivering an indication or warning signal depending on the value of the signal supplied by the pressure sensing arrangement and for determining at least one indication or warning signal level threshold.
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Muschin W. William, et al. "Automatic Ventilation of the Lungs," 1980, Blackwell Scientific Publications, Oxford London Edinburgh Melbourne, XP002018916 166160, p. 452, 1. 13 -p. 453, 1. 4, p. 453, 11. 13-15, p. 455, 1. 17-19; figure 28.3.
Deane, Jr. William J.
System Assistance Medical
Weiss John G.
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