Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2005-03-01
2005-03-01
Lewis, Aaron J. (Department: 3743)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S205190, C128S204230
Reexamination Certificate
active
06860265
ABSTRACT:
An improved insufflation-exsufflation system for removal of broncho-pulmonary secretions with automatic triggering of inhalation phase includes a conduit for connection to a patient's airway; a pressure source with a positive pressure port and a negative pressure port; a switching device selectively connecting the conduit to the positive pressure port, the negative pressure port and the dwell port; the sensor system for sensing an inhalation by the patient; and a controller system for driving the switching device to connect the conduits sequentially to the positive port, the negative port and the dwell port and to return again to the positive port in response to the sensor system sensing an inhalation by the patient while the conduit is connected to the dwell port.
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U.S. Appl. No. 10/657,424, filed Sep, 8, 2003, Emerson.
Iandiorio & Teska
J.H. Emerson Company
Lewis Aaron J.
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