A ventilator includes an enclosure, a tubing configured to receive an input gas, and a flow outlet airline in fluid communication with the tubing. The flow outlet airline includes an airline outlet. The ventilator further includes a breath detection airline including an airline inlet. The airline inlet is separated from the airline outlet of the flow outline airline. The ventilator further includes a pressure sensor in direct fluid communication with the breath detection airline. The ventilator includes a controller in electronic communication with the pressure sensor and an internal oxygen concentrator in fluid communication with the tubing. The internal oxygen concentrator is entirely disposed inside the enclosure.

A ventilator includes a bidirectional breath detection airline and a flow outlet airline. The flow outlet airline includes an airline outlet. The ventilator further includes a breath detection airline including airline inlet. The airline inlet is separated from the airline outlet of the flow outline airline. The breath detection airline is configured to receive breathing gas from the user during exhalation by the user via the airline inlet. The ventilator further includes a pressure sensor in direct fluid communication with the breath detection airline. The pressure sensor is configured to measure breathing pressure from the user and generate sensor data indicative of breathing by the user. The ventilator further includes a controller in electronic communication with the pressure sensor. The controller is programmed to detect the breathing by the user based on the sensor data received from the pressure sensor.

The present invention relates to an insufflator with integrated flue gas extraction. Thanks to a novel valve regulation system, it is possible to direct the gas inflow through two tubes into the body cavity. The novel device also enables an improved pressure control of the body cavity, which leads to lower pressure variations in the body cavity and furthermore compensates higher leakage volume flows.

Embodiments of the present invention relate to a magnetic damper that can be used in a one-way valve of an anesthesia respirator, the magnetic damper including: a sealing element, capable of moving between a first position and a second position, wherein the one-way valve is opened when the sealing element is in the first position, and the one-way valve is closed when the sealing element is in the second position; a magnet, connected to the sealing element and used for driving the sealing element to move between the first position and the second position; and a coil, capable of inducing a current by means of movement of the magnet, wherein the current can produce a damping effect on the movement of the magnet. The embodiments of the present invention further relate to a one-way valve and an anesthesia respirator including the magnetic damper.

A respiratory treatment apparatus configured to provide a flow of breathable gas to a patient, including a breathable air outlet, an outside air inlet, and an pneumatic block module, wherein the pneumatic block module includes: a volute assembly including an inlet air passage, a mount for a blower and an outlet air passage; the blower being mounted in the mount such that an impeller of the blower is in a flow passage connecting the inlet air passage and the outlet air passage; a casing enclosing the volute assembly, wherein air passages within the casing connect air ports on the volute assembly, wherein the inlet air passage of the volute assembly is in fluid communication with the outside air inlet and the outlet air passage of the volute assembly is in fluid communication with the air outlet.

A respiratory treatment apparatus configured to provide a flow of breathable gas to a patient, including a breathable air outlet, an outside air inlet, and an pneumatic block module, wherein the pneumatic block module includes: a volute assembly including an inlet air passage, a mount for a blower and an outlet air passage; the blower being mounted in the mount such that an impeller of the blower is in a flow passage connecting the inlet air passage and the outlet air passage; a casing enclosing the volute assembly, wherein air passages within the casing connect air ports on the volute assembly, wherein the inlet air passage of the volute assembly is in fluid communication with the outside air inlet and the outlet air passage of the volute assembly is in fluid communication with the air outlet.

Disclosed herein is a portable ventilator and a method for providing an oscillatory flow to a subject in need thereof. The method comprises: (a) forming a gas mixture comprising pure oxygen and air; (b) converting the gas mixture into the oscillatory flow by applying thereto a predetermined oscillatory frequency and a predetermined ventilatory duration; (c) outputting the oscillatory flow of the step (b) at a first jet pressure, in which the outputted oscillatory flow has a first flow rate; and (d) modulating the outputted oscillatory flow of the step (c) by, (i) varying the respective amounts of the pure oxygen and the air in the gas mixture; or (ii) varying the predetermined ventilatory duration of the step (b), in which if the fist jet pressure is smaller than the predetermined jet pressure, then decreases the predetermined ventilatory duration; or if the first jet pressure is greater than the predetermined jet pressure, then increases the predetermined ventilatory duration.

Systems and methods of the present invention can enable high concentration NO to be delivered into ventilator breathing circuits, via a diffusing device, without generating undesirably large amounts of NO.sub.2.

Apparatus and methods for delivering humidified breathing gas to a patient are provided. The apparatus includes a humidification system configured to deliver humidified breathing gas to a patient. The humidification system includes a vapor transfer unit and a base unit. The vapor transfer unit includes a liquid passage, a breathing gas passage, and a vapor transfer device positioned to transfer vapor to the breathing gas passage from the liquid passage. The base unit includes a base unit that releasably engages the vapor transfer unit to enable reuse of the base unit and selective disposal of the vapor transfer unit. The liquid passage is not coupled to the base unit for liquid flow therebetween when the vapor transfer unit is received by the base unit.

The present invention relates to a CPAP system includes a fan that suctions air and delivers the air; a sensor that measures the pressure or flow rate of air; a case having the fan and the sensor built therein and having an air inflow port and an air outflow port t; a motor drive unit that controls a rotation speed of a motor, which rotates the fan on the basis of the pressure or the flow rate, by a PWM signal; a valve that regulates a pressure or flow rate of air supplied from the air outflow port via a tube to a mask worn on a patient; and a valve drive unit that opens and closes the valve on the basis of the PWM signal, The valve drive unit includes a synthesis unit that synthesizes three-phase signals for driving the motor, and a control unit that controls a closing speed of the valve and an opening degree of the valve. The valve drive unit opens and closes the valve on the basis of a synthesized signal obtained by synthesizing the three-phase signals, and the closing speed and the opening degree of the valve controlled by the control unit.