Abstract: A method of providing high frequency ventilation to a patient, comprises delivering a flow of breathing gas to the patient, the flow of breathing gas having a first positive pressure level and a second positive pressure level, the first and second positive pressure levels alternating with one another in a plurality of cycles in the flow of breathing gas to have a frequency and an amplitude, the flow of breathing gas to the patient generating a mean airway pressure; determining whether the patient is breathing spontaneously or is trying to breath spontaneously; and, in response to the determination that the patient is breathing spontaneously or trying to breath spontaneously or according to the user settings for HFV and user intervention for non-spontaneous breathing patient, adjusting the mean airway pressure, modulating the frequency and duty cycle of the flow of breathing gas, or modulating the level of flow and pressure amplitude of the breathing gas, or two or more thereof.

Abstract: A method for controlling a ventilator includes the steps of providing an inhalation pressure limit, determining when a pressure in a connection to a patient circuit is greater than the inhalation pressure limit, and opening the valve when the pressure is greater than the inhalation pressure limit. An associated computer readable medium for controlling the method is also described.

Abstract: A method of providing high frequency ventilation to a patient, comprises delivering a flow of breathing gas to the patient, the flow of breathing gas having a first positive pressure level and a second positive pressure level, the first and second positive pressure levels alternating with one another in a plurality of cycles in the flow of breathing gas to have a frequency and an amplitude, the flow of breathing gas to the patient generating a mean airway pressure; determining whether the patient is breathing spontaneously or is trying to breath spontaneously; and, in response to the determination that the patient is breathing spontaneously or trying to breath spontaneously or according to the user settings for HFV and user intervention for non-spontaneous breathing patient, adjusting the mean airway pressure, modulating the frequency and duty cycle of the flow of breathing gas, or modulating the level of flow and pressure amplitude of the breathing gas, or two or more thereof.

Abstract: A device for providing a high frequency ventilation to a patient that includes a pressure generating system that delivers a flow of breathing gas to the patient, where the flow has a first and second positive pressure levels that alternate with one another in a plurality of cycles in the flow so as to have a frequency and an amplitude. The flow generates a mean airway pressure. A controller, coupled to the pressure generating system, is configured to make a determination, as to a spontaneous breathing, or an attempt, by the patient, or a change in a user settings by a user, and in response adjusts the mean airway pressure, modulates the frequency and a duty cycle of the flow, or modulates a level of the flow and the amplitude of the flow, or two or more flows.

Abstract: A humidifier can be integrated with a ventilator allowing it to continue humidification during patient transport. The humidifier can be placed at the ventilator outlet port and have a size that adds minimal resistance and compliance in the inspiratory arm of the patient circuit. The innermost core of the humidifier is the heater element that is positioned inside a hydrophobic membrane, allowing for humidification of the gas flowing around the hydrophobic membrane.

Abstract: A ventilation mask storage device (300, 400, 500) includes a body member (710) having a first side (712) and a second side (714). The body member first side has a recess that is shaped to receive and hold a ventilation mask (10). The body member also includes a connector (720) disposed on the second side of the body member that is configured to attach the device to one of a ventilator and a ventilator cart (75).

Abstract: A method for controlling a ventilator includes the steps of providing an inhalation pressure limit, determining when a pressure in a connection to a patient circuit is greater than the inhalation pressure limit, and opening the valve when the pressure is greater than the inhalation pressure limit. An associated computer readable medium for controlling the method is also described.

Abstract: A valve (100) for controlling pressure in a ventilation system. The valve includes an electromagnet (105, 106), a shaft (107) connected to the electromagnet, and a diaphragm (110) connected to the shaft, wherein the electromagnet applies force to the diaphragm based on an input. The ventilation system includes a ventilator (200) connected to a patient circuit (204), the valve (100) controlling pressure in the ventilation system, and a controller (206) connected to the valve and configured to provide the input to the valve.

Abstract: Provided are systems and methods for humidifying gas to be provided to a patient utilizing heating of an aerosolized mist. A humidification unit (201a) is provided a patient circuit (209) that provides gas to a patient. The humidification unit includes a liquid chamber (303) that receives liquid from a liquid source (203), a nebulizer (305) that nebulizes liquid from the liquid chamber, an aerosol chamber (307) that receives aerosolized liquid from the nebulizer, and a heat source (309a) that converts the aerosolized liquid into a vapor that humidifies gas in the patient circuit.

Abstract: A ventilator system and method for medical use includes an integrated blower. The ventilator system may include an inspiration port for connection to an inspiratory limb of a dual-limb patient circuit, and an expiration port for connection to an expiratory limb of the dual-limb patient circuit. The system also includes a gas delivery device connected to the inspiration port to supply a pressurized flow of gas to the inspiration port to generate a positive pressure, and a blower having an inlet that is operatively connected to the expiration port and configured to be controlled to selectively supply a negative pressure level between 4 and 120 cmH2O to the expiration port. The system also includes an outlet to exhaust gas received from the expiration port. In another embodiment, the ventilator system includes a blower to generate positive pressure/flow to augment flow for noninvasive ventilation.

Abstract: A ventilation mask storage device (300, 400, 500) includes a body member (710) having a first side (712) and a second side (714). The body member first side has a recess that is shaped to receive and hold a ventilation mask (10). The body member also includes a connector (720) disposed on the second side of the body member that is configured to attach the device to one of a ventilator and a ventilator cart (75).

Abstract: A ventilator system (100/200/300/400) includes an integrated blower (130/230/330). In one case, the ventilator system includes: an inspiration port (122/222/322) for connection to an inspiratory limb (112/212/312) of a dual-limb patient circuit (110/210/310), and an expiration port (142/242/342) for connection to an expiratory limb (114/214/314) of the dual-limb patient circuit; a gas delivery device (120/220/320) connected to the inspiration port to supply a pressurized flow of gas to the inspiration port to generate a positive pressure; and a blower having an inlet (132/232/332) that is operatively connected to the expiration port and configured to be controlled to selectively supply a negative pressure level between 4 and 120 cmH2O to the expiration port, and an outlet (134/234/334) to exhaust gas received from the expiration port. In another case, the ventilator system includes a blower to generate positive pressure/flow to augment flow for noninvasive ventilation.

Abstract: The invention relates to a humidifier that can be integrated with a ventilator allowing it to continue humidification during patient transport. The humidifier can be placed at the ventilator outlet port and have a size that adds minimal resistance and compliance in the inspiratory arm of the patient circuit. The innermost core of the humidifier is the heater element that is positioned inside a hydrophobic membrane, allowing for humidification of the gas flowing around the hydrophobic membrane.

Abstract: A ventilation mask storage device (300, 400, 500) includes a first (310, 410, 510) and second body members (320, 420, 520); a hinge (330, 430, 530) connecting the first and second body members so the first and second body members can be brought together to define an enclosed space (305, 405, 505) for receiving a ventilation mask (10); a clasp (340, 440, 540) connected to the first and second body members to hold the first and second body members together when the clasp is engaged; an aperture (300, 400, 500) in at least one of the first and second body members to permit a circuit (15) to be connected to the ventilation mask when it is disposed within the enclosed space; and a connector (360, 460, 560) provided with at least one of the first and second body members to attach the device to a ventilator or ventilator cart.

Abstract: A system (10) and method of insufflating-exsufflating a subject (12) that enables monitoring and/or control over an enhanced set of breathing parameters during insufflation-exsuffiation. The system and/or method may include automatic triggering and/or notification to a caregiver of insufflation-exsuffiation. The insufflation-exsuffiation of the subject may be preceded by a secretion loosing routine that loosens secretions in the airway of the subject without moving the loosened secretions up the airway.

Abstract: A ventilator system (110) includes: an inhalation filter (120) configured to receive and filter a gas; a humidifier (130) connected to the inhalation filter and configured to adjust a humidity of the filtered gas; a dual-limb patient circuit connected to a patient and configured to supply ventilation to the patient, the dual limb patient circuit including an inspiratory limb connected to the humidifier and configured to supply the filtered gas to the patient and an expiratory limb configured to receive an exhaled gas from the patient; a condenser (140) connected to the expiratory limb, the condenser being configured to cool and remove moisture from the gas from the patient; and an expiratory filter (150) connected to the condenser and configured to filter the cooled gas from the condenser.

Abstract: A ventilator system (100/200/300/400) includes an integrated blower (130/230/330). In one case, the ventilator system includes: an inspiration port (122/222/322) for connection to an inspiratory limb (112/212/312) of a dual-limb patient circuit (110/210/310), and an expiration port (142/242/342) for connection to an expiratory limb (114/214/314) of the dual-limb patient circuit; a gas delivery device (120/220/320) connected to the inspiration port to supply a pressurized flow of gas to the inspiration port to generate a positive pressure; and a blower having an inlet (132/232/332) that is operatively connected to the expiration port and configured to be controlled to selectively supply a negative pressure level between 4 and 120 cmH2O to the expiration port, and an outlet (134/234/334) to exhaust gas received from the expiration port. In another case, the ventilator system includes a blower to generate positive pressure/flow to augment flow for noninvasive ventilation.

Abstract: A valve (100) for controlling pressure in a ventilation system is disclosed. The valve comprises an electromagnet (105, 106), a shaft (107) connected to the electromagnet, and a diaphragm (110) connected to the shaft, wherein the electromagnet applies force to the diaphragm based on an input. The ventilation system comprises a ventilator (200) connected to a patient circuit (204), the valve (100) controlling pressure in the ventilation system, and a controller (206) connected to the valve and configured to provide the input to the valve.

Abstract: Provided are systems and methods for humidifying gas to be provided to a patient utilizing heating of an aerosolized mist. A humidification unit (201a) is provided a patient circuit (209) that provides gas to a patient. The humidification unit includes a liquid chamber (303) that receives liquid from a liquid source (203), a nebulizer (305) that nebulizes liquid from the liquid chamber, an aerosol chamber (307) that receives aerosolized liquid from the nebulizer, and a heat source (309a) that converts the aerosolized liquid into a vapor that humidifies gas in the patient circuit.

Abstract: Provided are systems for humidifying gas delivered to a patient. A humidifier unit (107) is provided located proximal to a patient interface (105) of a patient circuit (103). The humidifier unit includes a chamber that receives water from a water source (109), a heat source disposed within the chamber, a water flow sensor (113), an output temperature sensor (117), an output humidity sensor, and/or other sensors. A controller (119) receives flow data relating to water being provided to the chamber and temperature data relating to the temperature of the humidified gas, humidity, and/or other data. The controller further adjusts a flow of water being provided to the chamber based on the flow data and/or a heat output of the heat source based on the received data.