Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1996-08-27
1997-10-07
Millin, Vincent
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820418, 12820312, A61M 1610
Patent
active
056736894
ABSTRACT:
A piston based ventilator for delivering breathing gas to the lungs of a patient, and more particularly a piston based ventilator that delivers breathing gas to a patient upon longitudinal movement of a piston rod and associated piston head within a piston cylinder. The piston rod is centrally located within the cylinder and moves along the cylinder in response to direct drive from a motor to move the piston head within the cylinder and displace a volume of gas to be delivered to the patient.
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Younes, et al., "Proportional Assist Ventilation"; Am Rev Resp Dis 1992; 145: 121-129.
Millin Vincent
Puritan Bennett Corporation
Raciti Eric P.
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