Cardiopulmonary resuscitation ventilator and methods
First Claim
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1. A system for ventilating a patient in association with a cardiopulmonary resuscitation procedure, the system comprising:
- a ventilator to periodically supply respiratory gases to a patient'"'"'s lungs;
a sensor to detect chest compressions;
a controller coupled to the sensor, the controller controlling actuation of the ventilator after a predetermined number of chest compressions have been detected by the sensor;
a valve that is adapted to be placed in communication with the patient'"'"'s airway, the valve being configured to prevent respiratory gases from flowing to the lungs until a threshold negative intrathoracic pressure is exceeded at which time the valve opens to allow the flow of respiratory gases to the lungs, and wherein the controller is configured to open the valve to permit respiratory gases to flow to the lungs once the patient begins spontaneously breathing.
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Abstract
The invention provides systems and methods for ventilating a patient in association with cardiopulmonary resuscitation procedures. In one exemplary embodiment, a system comprises a ventilator to periodically supply respiratory gases to a patient'"'"'s lungs. A sensor is provided to detect chest compressions by sensing changes in intrathoracic pressure. A controller is coupled to the sensor and controls actuation of the ventilator after a predetermined number of chest compressions have been detected by the sensor.
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Citations
53 Claims
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1. A system for ventilating a patient in association with a cardiopulmonary resuscitation procedure, the system comprising:
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a ventilator to periodically supply respiratory gases to a patient'"'"'s lungs; a sensor to detect chest compressions; a controller coupled to the sensor, the controller controlling actuation of the ventilator after a predetermined number of chest compressions have been detected by the sensor; a valve that is adapted to be placed in communication with the patient'"'"'s airway, the valve being configured to prevent respiratory gases from flowing to the lungs until a threshold negative intrathoracic pressure is exceeded at which time the valve opens to allow the flow of respiratory gases to the lungs, and wherein the controller is configured to open the valve to permit respiratory gases to flow to the lungs once the patient begins spontaneously breathing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A method for performing cardiopulmonary resuscitation, the method comprising:
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repeatedly compressing a patient'"'"'s chest; detecting each chest compression with a sensor that is coupled to a controller; periodically ventilating the patient after a predetermined number of chest compressions have been detected; preventing respiratory gases from flowing to the lungs with a valve until a threshold negative intrathoracic pressure is exceeded at which time the valve opens to allow the flow of respiratory gases to the lungs; and sensing when the patient begins to spontaneously breath, and permitting respiratory gases to flow to the patient'"'"'s lungs once spontaneous breathing is detected. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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Specification