Patent application number | Description | Published |
20080300597 | Telemetric Orthopaedic Implant - An instrumented orthopaedic implant, such as an intramedullary (IM) nail, is disclosed. The implant has the capacity to provide an accurate measurement of the applied mechanical load across the implant. The implant includes sensors and associated electronic components located in recesses on the outer surface of the implant. The implant houses the sensing apparatus, the interface circuitry, the data transmitter, and the power receiver. The hermetically sealed housing is adapted for implantation in the body of a patient. The implant is used with a controller which communicates with it by telemetry, and there is an acting unit connected to the electronic components which is adapted to carry out a function based upon a condition detected by the sensors. | 12-04-2008 |
20120277746 | TELEMETRIC ORTHOPAEDIC IMPLANT - An instrumented orthopaedic implant, such as an intramedullary (IM) nail, is disclosed. The implant has the capacity to provide an accurate measurement of the applied mechanical load across the implant. The implant includes sensors and associated electronic components located in recesses on the outer surface of the implant. The implant houses the sensing apparatus, the interface circuitry, the data transmitter, and the power receiver. The hermetically sealed housing is adapted for implantation in the body of a patient. The implant is used with a controller which communicates with it by telemetry, and there is an acting unit connected to the electronic components which is adapted to carry out a function based upon a condition detected by the sensors. | 11-01-2012 |
Patent application number | Description | Published |
20100000535 | Apparatus for supplying breathable gas - An apparatus for supplying breathable gas includes a main housing, a sub-housing removably connected to the main housing, and a vent valve assembly provided to the sub-housing. The sub-housing has a gas flow path between a gas inlet and a gas outlet. The vent valve assembly includes a gas venting conduit in fluid communication with the gas flow path. The gas venting conduit is adapted to be selectively restricted by a cam abutting an exterior of the gas venting conduit, whereby a position of the cam is variable to vary gas passing through the gas venting conduit which varies a flow rate of gas leaving the gas outlet. | 01-07-2010 |
20100275918 | CHARACTERISATION OF MASK SYSTEMS - A method and a CPAP apparatus for characterizing a plurality of different mask systems, e.g., masks and hoses, are provided. The CPAP apparatus can be calibrated for different mask systems and hoses by including sensors configured to measure flow and pressure at a flow generator of the CPAP apparatus. When the flow generator is fitted to a new mask system, or any changes are made to an existing mask system, mask or patient interface and/or hose, a method for calibrating the flow generator for the new mask system, mask and/or hose is provided. The method includes determining air flow characteristics using flow measurements made during a first test period when the flow through the mask system is open, measuring or estimating pressure in the mask system during a second test period when the flow through the mask system is blocked and determining air flow characteristics of the diffuser of the mask system using the air flow characteristics of the air delivery hose determined during the first test period and the pressure measurements made during the second test period. | 11-04-2010 |
20110297154 | CONTROL OF SUPPLIED PRESSURE IN ASSISTED VENTILATION - Methods and apparatus for detecting the occurrence of a potential or actual overpressure during assisted ventilation are described. A blower ( | 12-08-2011 |
20110307194 | CHARACTERISATION OF MASK SYSTEMS - A method and a CPAP apparatus for characterizing different mask systems, e.g., masks and hoses, are provided. The apparatus can be calibrated for different mask systems and hoses by including sensors for measuring flow and pressure at a flow generator of the apparatus. When the flow generator is fitted to a new system, or changes are made to an existing system, mask or patient interface, and/or hose, a method of calibrating the flow generator is provided. The method includes determining air flow characteristics of the hose using flow measurements made during a first test period when flow through the system is open, measuring or estimating pressure in the system during a second test period when flow through the system is blocked, and determining air flow characteristics of the diffuser using the air first test period flow characteristics of the air delivery hose and the second test period pressure measurements. | 12-15-2011 |
20120090610 | CHARACTERISATION OF MASK SYSTEMS - A method and CPAP apparatus characterizes different mask systems, e.g., masks and hoses. The CPAP apparatus can be calibrated for different mask systems and hoses by including sensors that measure flow and pressure at a flow generator of the apparatus. When the generator is fitted to a new mask system, or any changes are made to an existing one, a method calibrates the generator for the mask system. The method includes determining air flow characteristics using flow measurements from a first test period when flow through the mask system is open, measuring or estimating pressure in the mask system during a second test period when flow through the mask system is blocked and determining air flow characteristics of the diffuser of the mask system using the air flow characteristics of the air delivery hose determined during the first period and the pressure measurements made during the second period. | 04-19-2012 |
20120304998 | RESPIRATORY APPARATUS WITH IMPROVED FLOW-FLATTENING DETECTION - In a respiratory apparatus for treatment of sleep apnea and other disorders associated with an obstruction of a patient's airway and which uses an airflow signal, an obstruction index is generated which detects the flattening of the inspiratory portion of the airflow. The obstruction index is used to differentiate normal and obstructed breathing. The obstruction index is based upon different weighting factors applied to sections of the airflow signal thereby improving sensitivity to various types of respiration obstructions. | 12-06-2012 |
Patent application number | Description | Published |
20100000535 | Apparatus for supplying breathable gas - An apparatus for supplying breathable gas includes a main housing, a sub-housing removably connected to the main housing, and a vent valve assembly provided to the sub-housing. The sub-housing has a gas flow path between a gas inlet and a gas outlet. The vent valve assembly includes a gas venting conduit in fluid communication with the gas flow path. The gas venting conduit is adapted to be selectively restricted by a cam abutting an exterior of the gas venting conduit, whereby a position of the cam is variable to vary gas passing through the gas venting conduit which varies a flow rate of gas leaving the gas outlet. | 01-07-2010 |
20100275918 | CHARACTERISATION OF MASK SYSTEMS - A method and a CPAP apparatus for characterizing a plurality of different mask systems, e.g., masks and hoses, are provided. The CPAP apparatus can be calibrated for different mask systems and hoses by including sensors configured to measure flow and pressure at a flow generator of the CPAP apparatus. When the flow generator is fitted to a new mask system, or any changes are made to an existing mask system, mask or patient interface and/or hose, a method for calibrating the flow generator for the new mask system, mask and/or hose is provided. The method includes determining air flow characteristics using flow measurements made during a first test period when the flow through the mask system is open, measuring or estimating pressure in the mask system during a second test period when the flow through the mask system is blocked and determining air flow characteristics of the diffuser of the mask system using the air flow characteristics of the air delivery hose determined during the first test period and the pressure measurements made during the second test period. | 11-04-2010 |
20110307194 | CHARACTERISATION OF MASK SYSTEMS - A method and a CPAP apparatus for characterizing different mask systems, e.g., masks and hoses, are provided. The apparatus can be calibrated for different mask systems and hoses by including sensors for measuring flow and pressure at a flow generator of the apparatus. When the flow generator is fitted to a new system, or changes are made to an existing system, mask or patient interface, and/or hose, a method of calibrating the flow generator is provided. The method includes determining air flow characteristics of the hose using flow measurements made during a first test period when flow through the system is open, measuring or estimating pressure in the system during a second test period when flow through the system is blocked, and determining air flow characteristics of the diffuser using the air first test period flow characteristics of the air delivery hose and the second test period pressure measurements. | 12-15-2011 |
20120090610 | CHARACTERISATION OF MASK SYSTEMS - A method and CPAP apparatus characterizes different mask systems, e.g., masks and hoses. The CPAP apparatus can be calibrated for different mask systems and hoses by including sensors that measure flow and pressure at a flow generator of the apparatus. When the generator is fitted to a new mask system, or any changes are made to an existing one, a method calibrates the generator for the mask system. The method includes determining air flow characteristics using flow measurements from a first test period when flow through the mask system is open, measuring or estimating pressure in the mask system during a second test period when flow through the mask system is blocked and determining air flow characteristics of the diffuser of the mask system using the air flow characteristics of the air delivery hose determined during the first period and the pressure measurements made during the second period. | 04-19-2012 |
20140200476 | RESPIRATORY APPARATUS WITH IMPROVED FLOW-FLATTENING DETECTION - In a respiratory apparatus for treatment of sleep apnea and other disorders associated with an obstruction of a patient's airway and which uses an airflow signal, an obstruction index is generated which detects the flattening of the inspiratory portion of the airflow. The obstruction index is used to differentiate normal and obstructed breathing. The obstruction index is based upon different weighting factors applied to sections of the airflow signal thereby improving sensitivity to various types of respiration obstructions. | 07-17-2014 |