| 摘要 |
The present invention relates generally to devices and methods for finite control and regulation of patient intrathoracic pressures, and more specifically, to devices and methods that finitely regulates a patient's intrathoracic pressures during repeated cycling events (i.e. respiration) by use of a cross-seal vent valve to form transient pressure windows. The cross-seal vent valve is biased against the pressure necessary to evacuate and/or inflate the lungs of that patient, while a controlled venting of that pressure by at least a partial volume thereof allows for controlled resetting of the baseline pressure to anatomical norms. This enhanced means for regulating intrathoracic pressure are applicable in a number of medically important therapies, including but not limited to, conditioning of pulmonary systems for acclimation to altered environmental conditions, reconditioning of pulmonary system after operating in a diminished state, and application in cardiopulmonary resuscitation procedures.
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