System and method for flow triggering of breath supported ventil

Details System and method for flow triggering of breath supported ventil System and method for flow triggering of breath supported ventil

1993-12-03

1995-02-21

Asher, Kimberly L.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820423, A61M 1600, A62B 704, F16K 3102, F16K 3126

Patent

active

053906667

ABSTRACT:
The method for flow triggering breath supported ventilation is accomplished by providing a system comprising a source of a predetermined, preinspiratory, constant flow of breathing gas and connecting such to a patient breathing attachment. One or more flow sensors measure the gas flow rate in a flow path communicating with the patient breathing attachment, determining when inhalation from the flow path has occurred. Breath support is generated in the delivered gas flow in response to inhalation by the patient, and the predetermined, preinspiratory, continuous flow of breathing gas is reestablished prior to the patient's next inspiratory effort. In combination with various types of breath support, the flow triggering strategy of the invention offers significant improvements in providing breath support to patients having weakened respiratory capabilities.

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Flow-By Option 50, pp. 1-6, Puritan-Bennett Corporation.
7200a Option #50 Flow-By, Puritan-Bennett Corporation.

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