초록 ▼

An apparatus for controlling the pressure of a respiratory gas delivered to a patient includes a phase detection circuit for determining the inhalation and exhalation phases of a patient\s respiratory cycle. More particularly, a valving apparatus for controlling air flow within the breathing circuit

An apparatus for controlling the pressure of a respiratory gas delivered to a patient includes a phase detection circuit for determining the inhalation and exhalation phases of a patient\s respiratory cycle. More particularly, a valving apparatus for controlling air flow within the breathing circuit which is connected to the phase detection circuit.

대표청구항 ▼

A valve for controlling air flow within a respiratory circuit, the valve comprising: a valve base; a valve element cover secured to said valve base, said valve element cover having an inlet tube configured to connect to a source of air and an outlet tube configured to be placed in fluid communicatio

A valve for controlling air flow within a respiratory circuit, the valve comprising: a valve base; a valve element cover secured to said valve base, said valve element cover having an inlet tube configured to connect to a source of air and an outlet tube configured to be placed in fluid communication with an airway of a patient; and a rotatable valve element, said rotatable valve element configured to rotate between a closed position, an open position and intermediate positions between the open and closed positions, said rotatable valve element and said valve base forming at least one exhaust port; wherein said rotatable valve element blocks access from the inlet tube to both the outlet tube and the exhaust port and wherein the outlet tube is in fluid communication with the exhaust port when said rotatable valve element is configured in the closed position.