Patent ID: 6675799
Filing Date: 2004-01-13
Classification: A61M

Abstract:
An isolation device, comprising:a movable partition; a housing disposed about the movable partition, the housing having a respirator side on a first side of the partition, and having a patient side on a second side of the partition, and having (a) a respirator orifice on the respirator side, adaptable to be in pneumatic communication with a respirator, (b) a patient inspiration orifice on the patient side, adaptable to be in pneumatic communication with a patient, (c) a bias inflow orifice on the patient side, adaptable to be in pneumatic communication with a source of inspiratory gas, and (d) an expiration return orifice on the patient side; a partition biaser joined to the partition; a CO2 scrubber having an inlet in pneumatic communication with the patient and an outlet in pneumatic communication with the expiration return orifice; and a controller operable to regulate a flow of gas to the bias inflow orifice based on a pressure difference between the respirator side and the patient side.