Abstract: A pneumatic stimulation system, comprising: a flow device; a patient interface fluidly coupled to the flow/pressure generation device via at least one conduit; a controller operably connected to the flow device, and configured to receive sensor data from at least one sensor, and to control a flow of a gas from the flow device to the patient interface based at least in part on the sensor data.

Abstract: In one embodiment, a method for accurate leak estimation in a flow generation system includes measuring a total flow through the flow generation system, measuring a pressure in in the primary flow circuit of the flow generation system, determining when the measured pressure is within a predetermined threshold of EPAP, and calculating an intentional leak flowrate and an unintentional leak flowrate based on the relationship QFS(t)=QIL(t)+QUL(t) when the measured pressure is within the predetermined threshold. In another embodiment, a flow generation system includes in one embodiment an airflow generator connected in-line to a flow sensor, a pressure sensor and a patient interface connection by a first gas flow circuit, and a controller electrically coupled to the airflow generator, the flow sensor and the pressure sensor.

Abstract: A ventilator is configured to supply a gas mixture to the lungs of a subject. The gas mixture comprises a first gas (e.g. oxygen) and a second gas (e.g. ambient air). The ventilator comprise a first gas inlet, a second gas inlet, flow modulator of the first gas, a flow modulator of the second gas, a junction configured to mix the first gas and the second gas, a patient interface configured to deliver the gas mixture to a subject, a pressure sensor, a plurality of flow sensors comprising at least a first flow sensor and a second flow sensor, and at least one controller configured for obtaining data from the pressure sensor and flow sensors and controlling the flow modulators to provide a gas mixture having a target pressure and a target oxygen content.

Abstract: In one embodiment, a method for accurate leak estimation in a flow generation system includes measuring a total flow through the flow generation system, measuring a pressure in in the primary flow circuit of the flow generation system, determining when the measured pressure is within a predetermined threshold of EPAP, and calculating an intentional leak flowrate and an unintentional leak flowrate based on the relationship QFS(t)=QIL(t)+QUL(t) when the measured pressure is within the predetermined threshold. In another embodiment, a flow generation system includes in one embodiment an airflow generator connected in-line to a flow sensor, a pressure sensor and a patient interface connection by a first gas flow circuit, and a controller electrically coupled to the airflow generator, the flow sensor and the pressure sensor.

Abstract: A system for preventing cross-contamination in single-limb ventilators is described. In one embodiment, the system includes an airflow generator connected in-line to a humidifier, a first check valve and a patient interface by a gas flow circuit. A controller is electrically coupled to the airflow generator, and a cartridge is connected to the gas flow circuit between a first point downstream of the humidifier and a second point upstream of the patient interface. The cartridge includes a bacteria filter and the first check valve. A method for preventing cross-contamination in single-limb ventilators and a method for providing gaseous flow through a single-limb ventilator are also described.

Abstract: A system for preventing cross-contamination in single-limb ventilators is described. In one embodiment, the system includes an airflow generator connected in-line to a humidifier, a first check valve and a patient interface by a gas flow circuit. A controller is electrically coupled to the airflow generator, and a cartridge is connected to the gas flow circuit between a first point downstream of the humidifier and a second point upstream of the patient interface. The cartridge includes a bacteria filter and the first check valve. A method for preventing cross-contamination in single-limb ventilators and a method for providing gaseous flow through a single-limb ventilator are also described.

Abstract: This invention provides ventilators that provide superior air-oxygen mixing and gas delivery. The ventilators that supply a gas mixture to the lungs of a subject. The gas mixture comprises a first gas (e.g. oxygen) and a second gas (e.g. ambient air). The ventilators comprise a first gas inlet, a second gas inlet, flow modulator of the first gas, a flow modulator of the second gas, a junction configured to mix the first gas and the second gas, a patient interface configured to deliver the gas mixture to a subject, a pressure sensor, a plurality of flow sensors comprising at least a first flow sensor and a second flow sensor, and at least one controller configured for obtaining data from the pressure sensor and flow sensors and controlling the flow modulators to provide a gas mixture having a target pressure and a target oxygen content.

Abstract: This invention provides ventilators that provide superior air-oxygen mixing and gas delivery. The ventilators that supply a gas mixture to the lungs of a subject. The gas mixture comprises a first gas (e.g. oxygen) and a second gas (e.g. ambient air). The ventilators comprise a first gas inlet, a second gas inlet, flow modulator of the first gas, a flow modulator of the second gas, a junction configured to mix the first gas and the second gas, a patient interface configured to deliver the gas mixture to a subject, a pressure sensor, a plurality of flow sensors comprising at least a first flow sensor and a second flow sensor, and at least one controller configured for obtaining data from the pressure sensor and flow sensors and controlling the flow modulators to provide a gas mixture having a target pressure and a target oxygen content.

Abstract: In one embodiment, a method for accurate leak estimation in a flow generation system includes measuring a total flow through the flow generation system, measuring a pressure in in the primary flow circuit of the flow generation system, determining when the measured pressure is within a predetermined threshold of EPAP, and calculating an intentional leak flowrate and an unintentional leak flowrate based on the relationship QFS(t)=QIL(t)+QUL(t) when the measured pressure is within the predetermined threshold. In another embodiment, a flow generation system includes in one embodiment an airflow generator connected in-line to a flow sensor, a pressure sensor and a patient interface connection by a first gas flow circuit, and a controller electrically coupled to the airflow generator, the flow sensor and the pressure sensor.

Abstract: In one embodiment, a method for accurate leak estimation in a flow generation system includes measuring a total flow through the flow generation system, measuring a pressure in the primary flow circuit of the flow generation system, determining when the measured pressure is within a predetermined threshold of EPAP, and calculating an intentional leak flowrate and an unintentional leak flowrate based on the relationship QFS(t)=QIL(t)+QUL(t) when the measured pressure is within the predetermined threshold. In another embodiment, a flow generation system includes in one embodiment an airflow generator connected in-line to a flow sensor, a pressure sensor and a patient interface connection by a first gas flow circuit, and a controller electrically coupled to the airflow generator, the flow sensor and the pressure sensor.

Abstract: A system for preventing cross-contamination in single-limb ventilators is described. In one embodiment, the system includes an airflow generator connected in-line to a humidifier, a first check valve and a patient interface by a gas flow circuit. A controller is electrically coupled to the airflow generator, and a cartridge is connected to the gas flow circuit between a first point downstream of the humidifier and a second point upstream of the patient interface. The cartridge includes a bacteria filter and the first check valve. A method for preventing cross-contamination in single-limb ventilators and a method for providing gaseous flow through a single-limb ventilator are also described.

Abstract: A system for preventing cross-contamination in single-limb ventilators is described. In one embodiment, the system includes an airflow generator connected in-line to a humidifier, a first check valve and a patient interface by a gas flow circuit. A controller is electrically coupled to the airflow generator, and a cartridge is connected to the gas flow circuit between a first point downstream of the humidifier and a second point upstream of the patient interface. The cartridge includes a bacteria filter and the first check valve. A method for preventing cross-contamination in single-limb ventilators and a method for providing gaseous flow through a single-limb ventilator are also described.

Abstract: This invention provides ventilators that provide superior air-oxygen mixing and gas delivery. The ventilators that supply a gas mixture to the lungs of a subject. The gas mixture comprises a first gas (e.g. oxygen) and a second gas (e.g. ambient air). The ventilators comprise a first gas inlet, a second gas inlet, flow modulator of the first gas, a flow modulator of the second gas, a junction configured to mix the first gas and the second gas, a patient interface configured to deliver the gas mixture to a subject, a pressure sensor, a plurality of flow sensors comprising at least a first flow sensor and a second flow sensor, and at least one controller configured for obtaining data from the pressure sensor and flow sensors and controlling the flow modulators to provide a gas mixture having a target pressure and a target oxygen content.

Abstract: In one embodiment, a method for accurate leak estimation in a flow generation system includes measuring a total flow through the flow generation system, measuring a pressure in in the primary flow circuit of the flow generation system, determining when the measured pressure is within a predetermined threshold of EPAP, and calculating an intentional leak flowrate and an unintentional leak flowrate based on the relationship QFS(t)=QIL(t)+QUL(t) when the measured pressure is within the predetermined threshold. In another embodiment, a flow generation system includes in one embodiment an airflow generator connected in-line to a flow sensor, a pressure sensor and a patient interface connection by a first gas flow circuit, and a controller electrically coupled to the airflow generator, the flow sensor and the pressure sensor.

Abstract: A system for preventing cross-contamination in single-limb ventilators is described. In one embodiment, the system includes an airflow generator connected in-line to a humidifier, a first check valve and a patient interface by a gas flow circuit. A controller is electrically coupled to the airflow generator, and a cartridge is connected to the gas flow circuit between a first point downstream of the humidifier and a second point upstream of the patient interface. The cartridge includes a bacteria filter and the first check valve. A method for preventing cross-contamination in single-limb ventilators and a method for providing gaseous flow through a single-limb ventilator are also described.

Abstract: This invention provides ventilators that provide superior air-oxygen mixing and gas delivery. The ventilators that supply a gas mixture to the lungs of a subject. The gas mixture comprises a first gas (e.g. oxygen) and a second gas (e.g. ambient air). The ventilators comprise a first gas inlet, a second gas inlet, flow modulator of the first gas, a flow modulator of the second gas, a junction configured to mix the first gas and the second gas, a patient interface configured to deliver the gas mixture to a subject, a pressure sensor, a plurality of flow sensors comprising at least a first flow sensor and a second flow sensor, and at least one controller configured for obtaining data from the pressure sensor and flow sensors and controlling the flow modulators to provide a gas mixture having a target pressure and a target oxygen content.

Abstract: A method and system for image sharing based upon faces in an image is disclosed. The method for image sharing based upon faces in an image comprises defining a sharing rule defining with which one or more recipients images are shared based on face identifying information, and applying face identifying information associated with the image to the sharing rule to determine the one or more recipients with which the image should be shared. The system for image sharing based on faces in an image comprises a sharing rule defining with which one or more recipients images are shared based on face identifying information, and a sharing engine to apply face identifying information associated with an image to the sharing rule to determine the one or more recipients with which the image should be shared.

Abstract: A method and system for image sharing based upon faces in an image is disclosed. The method for image sharing based upon faces in an image comprises defining a sharing rule defining with which one or more recipients images are shared based on face identifying information, and applying face identifying information associated with the image to the sharing rule to determine the one or more recipients with which the image should be shared. The system for image sharing based on faces in an image comprises a sharing rule defining with which one or more recipients images are shared based on face identifying information, and a sharing engine to apply face identifying information associated with an image to the sharing rule to determine the one or more recipients with which the image should be shared.