Entries |
Document | Title | Date |
20080210235 | Intubation detector - An intubation detector for an endotracheal tube has a resilient bellows and a carbon dioxide, color-change indicator mounted at the machine end of the tube. Compressing and releasing the bellows indicates whether or not the patient end of the tube is occluded. When the patient end of the tube is not occluded, gas is drawn into the indicator by the bellows to provide an indication of carbon dioxide level. The detector may be mounted at the machine end of a stiff introducer tube extended along the endotracheal tube. Alternatively, the detector may be mounted by a stem directly into the bore at the machine end of the endotracheal tube. | 09-04-2008 |
20080251070 | Method and apparatus for capnography-guided intubation - A method and apparatus for qualitative sensory signal, capnography-guided intubation is provided. A qualitative sensory signal, such as an audible signal, is generated during intubation of a patient to provide an audible indication of carbon dioxide levels, so as to facilitate proper placement of an intubation tube. The frequency of the audible signal corresponds to measured carbon dioxide levels, thereby providing a simple, easy-to-interpret, audible indication of the current position of an endotracheal tube during intubation, as well as confirmation of proper placement of the tube. Alternatively, the qualitative sensor signal may be an omni-directional visual signal or a palpable vibratory signal. | 10-16-2008 |
20080251071 | Method and system for motor failure detection - Systems and methods for detecting developing faults in a flow generator or ventilator during therapeutic use thereof are provided. The motor current may be measured to estimate the torque input by the motor, while the output torque from the impeller may be determined (e.g., as inferred from the motor control system model and/or by consulting a lookup table). One or more transducers may collect data useful in determining the input and output torques. A difference between the input (to the motor) torque and the output (from the impeller) torque may be calculated. The difference, optionally filtered using a low-pass filter to reduce noise, may be compared to a predetermined threshold once or over a period of time to detect gross failures and/or developing failures. Once a failure or developing failure is detected, a user may be alerted and/or the flow generator may be placed into a “service required” mode. | 10-16-2008 |
20090013996 | OXYGEN SUPPLY DEVICE - An oxygen supply device, preferably a pilot oxygen supply device, has an oxygen source and at least one oxygen mask. A breathing regulator is arranged between the oxygen source and the oxygen mask. An oxygen sensor is arranged downstream of this breathing regulator. | 01-15-2009 |
20090078252 | FAULT INDICATOR - A fault indicator for a strip advancement mechanism comprising a base that defines a fault sensing portion of a path for at least a component of a strip, an element for bearing against a strip, or a component of the strip, while it passes through the fault sensing portion of the path, wherein the element is adapted to move from that bearing or non-fault position, to a fault indicating position in the event of the strip or the component of the strip ceasing to pass through the fault sensing portion of the path. | 03-26-2009 |
20090095290 | TRACHEAL TUBE WITH COLORIMETRIC CO2 INDICATOR - Tracheal tubes having an integrated calorimetric CO | 04-16-2009 |
20090107493 | REDUNDANT POWER CONTROL FOR RESPIRATORY SYSTEM HEATERS - A humidification system is provided for a respiratory system is provided with a controller having two processors that monitor the operation of each other and of heating elements in the respiratory system to provide CPU redundancy and heating element control. Each heating element is provided with two control paths, for example a relay and a triac connected in series with the heating element and a power supply. Each heater has one control path connected to a first one of the processors and at least one heating element has at least one control path connected to a second one of the controllers. A hardware watchdog monitors the operation of the first processor, and can be triggered by a signal from the second processor, in response to which it can disable all heating elements. | 04-30-2009 |
20090126729 | Anesthesia Apparatus Preoperative Checkout Device - A checkout device to test an anesthesia machine may include a connecting tube to connect the checkout device to the anesthesia machine to transmit fluid, and a valve positioned in the connecting tube having a first position at a second position. The first position may allow the fluid to flow without substantial resistance and the second position may prevent the fluid from flowing until a predetermined resistance level has been overcome. The valve may include an arm to open which corresponds to the first position and to close which corresponds to the second position, and the valve may include a movable piston to open and close the valve. The movable piston may be connected to a biasing apparatus to move the movable piston to open and close the valve, and the movable piston may be connected to the arm. | 05-21-2009 |
20090126730 | Anesthesia Apparatus Preoperative Checkout Device - A checkout device to test an anesthesia machine may include a connecting tube to connect the checkout device to the anesthesia machine to transmit fluid, and a valve positioned in the connecting tube having a first position at a second position. The first position may allow the fluid to flow without substantial resistance and the second position may prevent the fluid from flowing until a predetermined resistance level has been overcome. The valve may include an arm to open which corresponds to the first position and to close which corresponds to the second position, and the valve may include a movable piston to open and close the valve. The movable piston may be connected to a biasing apparatus to move the movable piston to open and close the valve, and the movable piston may be connected to the arm. | 05-21-2009 |
20090133694 | DEVICE FOR DETECTING A DANGEROUS RESISTANCE TO FLOW IN A FLOW OF GAS THROUGH A FILTER EQUIPPED, IN CASE, WITH AN HME | 05-28-2009 |
20090199850 | Fault diagnosis in CPAP and NIPPV devices - A ventilation device for non-invasive positive pressure ventilation (NIPPV) or continuous positive airway pressure (CPAP) treatment of a patient has a gas flow generator, a gas delivery circuit optionally including a humidifier, a controller and sensors monitoring values of operational parameters of the device. The device further includes one or more relationships stored in data storage of the controller relating combinations of parameter values as being indicative of fault conditions of the device operation, the sensors and/or the fault detection process. | 08-13-2009 |
20090199851 | FAIL-SAFE MODULE INTEGRAL WITH A SEDATION AND ANALGESIA SYSTEM AND METHOD - The invention provides a fail-safe module (FSM) integral with a sedation and analgesia system that meets the high-reliability needs of sedation and/or analgesia delivered by non-anesthetist practitioners. The FSM may operate in “real-time” in order to ensure optimal patient safety. The FSM may deactivate specific patient interfaces, user interfaces, and/or sedation and analgesia delivery in order to ensure patient safety and has redundant safety systems in order to provide the fail-safe module with an accurate assessment of controller functionality. | 08-13-2009 |
20090241945 | DEVICE FOR DELIVERING A RESPIRATORY GAS - A device is described for making available a respiratory gas (mixture) to a patient, comprising means for making available one or more gases and means for delivering the respiratory gas (mixture) to the patient, their being assigned a respiratory air line that is connected to the surrounding area and in which a negative pressure valve is arranged. According to the invention, the negative pressure valve (D) is dynamically connected to a device for generating a warning signal (C, E), preferably an acoustic and/or optical warning signal. | 10-01-2009 |
20090241946 | DEVICE FOR DETECTING THE IMPROPER ADJUSTMENT OF A VENTILATORY SUPPORT MACHINE USED ON A MAMMAL - A device for detecting the improper adjustment of a ventilatory support machine used on a mammal. The device ( | 10-01-2009 |
20100071689 | SAFE STANDBY MODE FOR VENTILATOR - A ventilator with a safe standby mode is provided. The safe standby mode allows a user to disconnect a patient from the ventilator, without the ventilator generating alarms and while maintaining previously entered ventilation parameters. In addition, while in the safe standby mode, a patient connection status is monitored, and a ventilation mode is entered automatically if the ventilator determines that a patient is connected to the ventilator while the ventilator is in the safe standby mode. | 03-25-2010 |
20100078016 | BATTERY MANAGEMENT FOR A BREATHING ASSISTANCE SYSTEM - A method for providing battery security in a breathing assistance system configured to provide breathing assistance to a patient is provided. A battery security system of the breathing assistance system receives battery data from a battery received in the breathing assistance system, and analyzes the received battery data to determine whether the battery is approved for use in the breathing assistance system. If the battery is determined to be approved for use in the breathing assistance system, the battery is allowed to provide power to the breathing assistance system. If the battery is not determined to be approved for use in the breathing assistance system, the battery is prevented from providing power to the breathing assistance system. | 04-01-2010 |
20100078017 | WIRELESS COMMUNICATIONS FOR A BREATHING ASSISTANCE SYSTEM - A system for wireless data communication for use with a breathing assistance system configured to provide breathing assistance to a patient is provided. The system includes a wireless notification module, one or more wireless repeaters located remote from ventilation system, and a wireless receiver located remote from the one or more wireless repeaters. The wireless notification module is coupled to a ventilation system and configured to wirelessly transmit data received from the ventilation system. The one or more wireless repeaters are configured to receive the data wirelessly transmitted by the wireless notification module, and wirelessly transmit the received data. The wireless receiver is configured to receive the data wirelessly transmitted by the one or more wireless repeaters, and communicate the received data to a user remote from the ventilation system. | 04-01-2010 |
20100078018 | METHOD AND ARRANGEMENT FOR DETECTING A LEAK IN ANESTHESIA SYSTEM - A method and arrangement for detecting a leak in an anesthesia system. The method includes controlling respiratory movements by means of ventilator gas flows and measuring the ventilator gas flow added for an inspiration and removed for an expiration. The method also includes supplying a fresh gas flow for a respiration and measuring the fresh gas flow added for the respiration. The method further includes receiving information indicative of the measured gas flows, determining based on said received information both the gas volume added and the gas volume removed and comparing these determined gas volumes to each other. The method also includes determining based on comparing the anesthesia system leakage. | 04-01-2010 |
20100170507 | PNEUMOSTOMA MANAGEMENT DEVICE WITH INTEGRATED PATENCY SENSOR AND METHOD - A flexible pneumostoma management device maintains the patency of a pneumostoma while controlling the flow of material through the pneumostoma. The pneumostoma management device includes a pneumostoma vent having a tube which enters the pneumostoma to allow gases to escape the lung, a flange and a filter/valve to control flow of materials through the tube. The flange is a thin flexible patch comprises of multiple thin layers of materials and which conforms and attaches to the chest of the patient. The flange includes a filter, a protective outer layer and an inner hydrocolloid layer. The flange secures the tube in position in the pneumostoma. An indicator responsive to gases exiting the pneumostoma is integrated into the device and provides and external indicia of the patency and efficacy of the pneumostoma. | 07-08-2010 |
20100236549 | Elbow assembly - An elbow assembly for a mask system includes an elbow including a slot and a port, an anti-asphyxia valve adapted to be received within the slot and including a flap portion adapted to selectively close the port depending on the presence of pressurized gas, and a clip member to secure the anti-asphyxia valve to the elbow. The clip member includes a slot that is adapted to interlock with a protrusion provided to the anti-asphyxia valve. | 09-23-2010 |
20100242957 | Combination Artificial Airway Device and Esophageal Obturator - A combination artificial airway device and esophageal obturator ( | 09-30-2010 |
20100269820 | SAFETY SYSTEM FOR A BREATHING APPARATUS FOR DELIVERING AN ANESTHETIC AGENT - A safety system for a breathing apparatus for delivery of an anesthetic agent having an anesthetic agent vaporizer having a reservoir for containing a liquid anesthetic agent has a reservoir for containing a liquid medical agent, a port for filling the reservoir with the liquid anesthetic agent, and a sensor device for sensing a filling action of the port. A change of position of a lid covering the port can be detected, or insertion of a fill vessel into the port can be detected. Thus safety of the equipment is improved by being able to de-pressurize the reservoir before opening a filling valve for communication of the port with the interior of the reservoir. | 10-28-2010 |
20100269821 | PATIENT VENTILATION SYSTEM WITH A GAS IDENTIFICATION UNIT - A patient ventilation system has a flow regulating and gas mixing arrangement connected to an inspiratory channel of the system from which a gas mixture containing oxygen and at least a second gas is delivered to the system's proximal tubing. The proximal tubing further is connected to an expiratory channel and is connectable to a patient. The system further has at least two gas inlets connected to the flow regulating and mixing arrangement, and a gas identification unit in which the at least second gas supplied to the system via one of the gas inlets can be identified. By actively measuring a value that is dependent on the characteristics of the delivered gas, and by correcting the calibration of the flow regulating and gas mixing arrangement and/or the flow meter(s) based on this value, both safety and flow regulation in the system are enhanced. | 10-28-2010 |
20100282253 | PRESSURE RELEASE SYSTEMS, APPARATUS AND METHODS - A respiratory circuit apparatus and circuit are provided. The circuit includes: an adapter having a plurality of connectors of two or more different internal or outer diameters; and a pressure release valve configured to emanate sound if a pressure of a gas received at the pressure release valve is greater than or equal to an activation pressure of the pressure release valve. The pressure release valve can have a first end of a body portion coupled with one of the plurality of connectors of the adapter. The pressure release valve can be coupled inline in the respiratory circuit via the adapter and in close proximity to a patient location. | 11-11-2010 |
20100294272 | FILTER CARTRIDGE HAVING COVER FOR MASKING SERVICE LIFE INDICATOR - A filter cartridge | 11-25-2010 |
20100294273 | FILTER CARTRIDGE HAVING LOCATION-REGISTERED VIEW WINDOW FOR END-OF-SERVICE-LIFE-INDICATOR (ESLI) - A filter cartridge | 11-25-2010 |
20100294274 | FILTER CARTRIDGE HAVING CONE OF VISIBILITY FOR END-OF-SERVICE-LIFE-INDICATOR (ESLI) - A filter cartridge | 11-25-2010 |
20110023874 | WIRE HEATED TUBE WITH TEMPERATURE CONTROL SYSTEM, TUBE TYPE DETECTION, AND ACTIVE OVER TEMPERATURE PROTECTION FOR HUMIDIFIER FOR RESPIRATORY APPARATUS - A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube. | 02-03-2011 |
20110041842 | MEDICAMENT-CONTAINING DISPENSER PROVIDED WITH A DISPLAY FOR PRESENTING INDICIA TO A USER - The invention relates to a medicament-containing dispenser, such as an inhaler. The dispenser comprises an outlet for dispensing medicament, e.g. a mouthpiece or a nasal adaptor. The dispenser also comprises a display for presenting indicia to a user. The dispenser further comprises an outlet cover movable between a first position in which it covers the outlet and a second position in which the outlet is uncovered, wherein, when said outlet cover is in said first position, indicia is visible said display, and wherein, when said outlet cover is in said second position, indicia is out of sight to the user. | 02-24-2011 |
20110048417 | METHOD AND APPARATUS FOR COLLECTION OF WASTE ANESTHETIC GASES - In an apparatus for collection of waste anesthetic gases, and a method of using such an apparatus, the apparatus has a gas collection chamber with an input port to be connected to an exhaust of an anesthesia delivery system for receiving a first gas flow therefrom that contains a waste anesthetic gas component. An output port from the gas collection chamber is connected to a vacuum system for evacuation of an evacuation gas flow from the gas collection chamber. A bidirectional port leads to and from the gas collection chamber, which has an adsorbing unit connecting the gas collection chamber with an ambient environment surrounding the gas collection chamber. The apparatus provides for safe prevention of discharge of exhaled anesthetic gases into an ambient atmosphere surrounding the apparatus. | 03-03-2011 |
20110061648 | Wireless Medical Gases Management System - The present invention generally provides methods and systems for managing a medical gas system by using wireless sensors located at the point of use. In one embodiment, a wireless sensor is fixed to a gas outlet, and is configured to measure gas flow, and to detect whether the gas outlet is connected to a medical device. The gas flow and connection data is included in a wireless signal that is transmitted to a remote server. The data received by the server may be analyzed to determine if any local or system leaks are occurring. In addition, the data may be used to monitor patient therapies, to calculate costs, and to determine replenishment points. | 03-17-2011 |
20110126829 | Apparatus And System For A Battery Pack Assembly Used During Mechanical Ventilation - This disclosure describes methods and apparatus for indicating battery cell status on a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide methods for indicating battery cell status on the exposed exterior of a battery assembly pack both when the battery is in use and when the battery is not in use during mechanical ventilation. Embodiments utilize power from the ventilator as well as power from the battery pack itself to light the indicators during periods of battery use and non-use, respectively. Embodiments described herein further seek to provide an apparatus indicating battery cell status on the exposed exterior of the battery pack assembly during mechanical ventilation. Embodiments described herein further seek to provide an apparatus for a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide a system for a ventilation system with an inserted battery pack assembly. | 06-02-2011 |
20110277758 | PATIENT CIRCUIT INTEGRITY ALARM USING EXHALED CO2 - A carbon dioxide sensor for use in a respiratory therapy system. The carbon dioxide sensor determines whether a patient interface is fluidly coupled to a patient. | 11-17-2011 |
20110277759 | RESPIRATOR FIT-TESTING APPARATUS AND METHOD - Improved respirator fit-test methods and apparatus featuring an automated, respirator wearer-controlled, air-leak measurement system. For fit testing of a respirator positioned on a test subject's face and connected to a controlled negative pressure testing apparatus, the test subject simply holds his breath and then activates a switch in electrical connection with said apparatus, which results in the automatic closure of the breathing port on the respirator and the initiation of a complete fit-testing protocol. The fit-testing apparatus includes a single, self-contained, automated unit that includes a vacuum source, an air-flow measuring device, and an air-pressure transducer for connection to a respirator being tested. By measuring the rate of air exhausted from the respirator in order to maintain a constant challenge pressure, an air leakage rate is determined. | 11-17-2011 |
20120000464 | Ventilator Monitoring and Control - A computer-implemented patient information provisioning method is disclosed. The method includes automatically extracting with a computer system, from records maintained for a patient under care in a healthcare facility, information from a electronic medical record; obtaining with the computer system information about a medical ventilator treating the patient; using the information from the electronic medical record and the information about the medical ventilator to determine whether a potentially dangerous condition exists with respect to the ventilator; and electronically alerting a caregiver if it is determined that a potentially dangerous condition exists. | 01-05-2012 |
20120017897 | Tracheal Tube Cuff Pressure Indicator - A pressure indicator for cuffed tracheal tubes is provided. This indicator uses an indicator balloon on the proximal end of the inflation lumen and in fluid communication with the tracheal tube cuff. As the pressure in the cuff changes, the balloon will inflate and deflate. An indicator needle rests on the balloon and moves in response to the inflation and deflation of the balloon, thus showing the state of inflation of the cuff. | 01-26-2012 |
20120222674 | Breathing Apparatus - [Object of the Invention] An object of the present invention is to provide a breathing apparatus comprising a face piece for covering the whole face of a user, and a fan unit for operating synchronously with the breath timing of the user, wherein the breathing apparatus comprises a breath monitoring apparatus provided with a diaphragm and a sensor for detecting movement of the diaphragm, and wherein the location of the diaphragm and the sensor is optimized and a transmission path of inhale pressure and exhale pressure to the diaphragm is optimized. | 09-06-2012 |
20120240923 | COLOR IDENTIFICATION FOR DRUG DELIVERY SYSTEM - A monitoring device includes a housing that is constructed and arranged to be removably attached to a drug delivery device for an inhaled drug. A color detector is operatively associated with the housing and constructed and arranged to detect an identifying color of at least a portion of the drug delivery device when the housing is attached to the drug delivery device and to output color information for use by a processor to, based on the detected color, identify information about the inhaled drug. | 09-27-2012 |
20120312300 | PRESSURE MEASURING SYRINGE - A syringe having an internal pressure gauge comprises a syringe barrel; a piston within the barrel; a spring coupled to the piston at a first position of the spring, the spring having a second portion that is movable in response to fluid pressure within a syringe cavity; and a pressure gauge having an indicator correlated to a plurality of positions of the second portion of the spring to indicate a pressure of a fluid. The spring can be a bellows. The first portion of the spring can be coupled to the piston to form a sliding seal with an inner wall of the syringe, and the second portion of the spring can move longitudinally within the syringe without sealing contact. | 12-13-2012 |
20130014756 | APPARATUS AND METHOD FOR MONITORING AN AIRWAY DEVICE SUCH AS AN ENDOTRACHEAL TUBE - An airway device ( | 01-17-2013 |
20130019865 | METHOD AND SYSTEM FOR DETECTING THE PERFORMANCE OF A CREW OXYGEN SYSTEM - The present invention relates to a method and a system for detecting the performance of a crew oxygen system. The method comprising: obtaining an oxygen pressure of an oxygen cylinder of the crew oxygen system, an ambient air temperature and a cockpit temperature; generating crew oxygen messages from obtained oxygen cylinder of the crew oxygen system, the ambient air temperature and the cockpit temperature; receiving the crew oxygen messages, and determining an oxygen pressure of the oxygen cylinder under standard temperature; and determining performance of the crew oxygen system. | 01-24-2013 |
20130068221 | GAS FLOW INDICATOR - A gas flow indicator ( | 03-21-2013 |
20130118486 | Apparatus and Method for Monitoring Nitric Oxide Delivery - Described is an apparatus for monitoring nitric oxide delivery, wherein such apparatus comprises an indicator to inform a user of the apparatus when the flow of breathing gas rises above or falls below a predetermined level or range. Also described is a method of monitoring nitric oxide delivery, wherein the flow of breathing gas is measured and displayed. In some embodiments, an alert is provided when the flow of breathing gas rises above or falls below a predetermined level or range. | 05-16-2013 |
20130118487 | INFORMATION DISPLAY AND CONTROL DEVICE OF POWERED AIR PURIFYING RESPIRATOR - Disclosed is an information display and control device of a powered air purifying respirator wherein air flow of a blower device is electronically detected using a precision air flow sensor mounted to the blower device without using an air flow display device, and a graphic screen that displays an air flow level meter is displayed on the blower device or an additionally manufactured remote controller so that the air flow of the blower device can be checked during operation. The information display and control device includes a remote controller that is capable of allowing a worker to inspect an air flow state, to detect remaining battery power and expected use time, and to manipulate a blower device and exchanging information even in a state in which the worker wears the air purifying respirator and the blower device. | 05-16-2013 |
20130125883 | LUNG VENTILATION DEVICE - The present invention refers to a lung ventilation device fitted with a patient monitoring and surveillance graphical interface comprising technical and functional characteristics that can reduce the cognitive load of the medical staff members in environments whose monitored beds require safe and efficient surveillance, principally for the identification and detection of parameters that are monitored at distance. More particularly, the present invention comprises a graphical interface whose configuration allows visualization at distance and interpretation of the main parameters associated with the patient, as well as includes means for facilitating the detection of the occurrence of critical alarms, even by an operator away from the patient. | 05-23-2013 |
20130133647 | SYSTEM AND METHOD FOR AN OXYGEN SYSTEM ALARM - The present invention may be embodied as a system and/or a computer-based method for determining safe operation of a breathing gas system comprising the step of receiving a present oxygen concentration value from an oxygen concentration sensor. The method further comprises the step of receiving, at the computer, a present altitude value from an altimeter of the aircraft and using the computer to calculate an alarm flow rate, where the alarm flow rate is a function of the present oxygen concentration value and the present altitude value. The method may further comprise the step of receiving, at the computer, a present flow value from a flow meter, where the present flow value represents the rate of flow of breathing gas to the user. The method may comprise the step of comparing the calculated alarm flow rate to the received present flow value to determine a safe operation of the oxygen system. | 05-30-2013 |
20130146052 | METHOD AND APPARATUS FOR INTEGRATING CHEMICAL AND ENVIRONMENTAL SENSORS INTO AN AIR PURIFICATION FILTER THROUGH A REUSABLE SENSOR PORT - A sensor device is disclosed for providing end of service life indication for an air purification filter. The sensor device has a cylindrical housing for insertion into a sorbent bed of a filter, and can be removed from the bed and reused at the end of the filter service. One or more sensors inside the housing are configured to sense physical/chemical characteristics of air passing through the sorbent bed, and to provide associated data to a sensor conditioning board within the housing. The sensor conditioning board processes the received data and conditions the data as desired. The housing is receivable in a cavity formed in the filter bed. A receiving structure receives the housing therein. Data from the one or more sensors can be used to calculate predicted end of service life of the filter. Other embodiments are described and claimed. | 06-13-2013 |
20130152923 | SUPPLEMENTAL GAS SAFETY SYSTEM FOR A BREATHING ASSISTANCE SYSTEM - A system for managing a supplemental gas supply in a breathing assistance system configured to provide breathing assistance to a patient includes a temperature sensor and a control system. The temperature sensor is configured to measure a temperature associated with a breathing assistance system configured to deliver a first gas and a supplemental gas toward a patient. The control system is configured to automatically control the flow of the supplemental gas based at least on the monitored temperature. | 06-20-2013 |
20130180523 | RESPIRATORY PROTECTION EQUIPMENT - A respirator has one or more electrodes of e.g. conductive elastomer disposed on the surface of a face sealing member opposite to the surface which seals against the user's face. In use the integrity of the seal formed between the sealing member and the user's face is monitored by monitoring the electrical capacitance across that member between the electrode(s) and the user's face. | 07-18-2013 |
20130192595 | Apparatus and Method for Monitoring Nitric Oxide Delivery - Described is an apparatus for monitoring nitric oxide delivery, wherein such apparatus comprises a display that provides a visual and/or numeric indication of the calculated dose of nitric oxide. Also described is a method of monitoring nitric oxide delivery, wherein the breathing gas flow rate and therapeutic gas flow rate are measured and used to determine the calculated dose of nitric oxide, which is then displayed. In some embodiments, an alert is provided when the calculated dose rises above or falls below a predetermined level or range. | 08-01-2013 |
20130228171 | LEAK DETECTION SYSTEM AND METHOD FOR TUBE OR CATHETER PLACEMENT - The present disclosure relates to a leak detection system and method for tube or catheter placement. The system and method includes acoustically sensing a leak in the seal between a tube or catheter within a body and the body cavity against which it is sealed, assisting the user in adjusting the system until the leak has been substantially sealed, and establishing system parameters to be used thereafter to maintain the system in an operating state that will substantially prevent leakage, all using a noninvasive acoustic technique. | 09-05-2013 |
20130228172 | APPARATUS AND METHOD FOR MONITORING AN AIRWAY DEVICE SUCH AS AN ENDOTRACHEAL TUBE - An airway device ( | 09-05-2013 |
20130239960 | MODULARIZED RESPIRATORY TREATMENT APPARATUS - A modularized respiratory treatment apparatus provides various respiratory pressure treatments. The apparatus may be formed by discrete connectable modules such as a flow generator module, alarm module and/or humidifier module. Each module may include its own external casing or housing to independently retain or enclose the respective components that serve the function of the module. Different modules may be adapted with different components and functionalities and may be readily coupled using standardized gas and electrical connection configurations that have flow and communication paths that extend through the modules. When coupled, operation of the respiratory treatment apparatus may be controlled by detection of different modules, such as the alarm module that generates visual and/or audible alarms based on detected conditions, so as to selectively enable or disable different respiratory treatments. The discrete modules of the medical treatment apparatus may include tamper resistant locking mechanisms to impede unauthorized separation of some modules. | 09-19-2013 |
20130239961 | APPARATUS, COMPUTER PROGRAM, METHOD AND SYSTEM FOR PORTABLE BREATHING ASSISTANCE - An apparatus, a computer program, a method and a system for portable breathing assistance. The apparatus, computer program, method, and system are directed to a portable breathing system for providing pulmonary medical care to a patient, for obtaining a plurality of metrics associated with the breathing system and the patient, and for wirelessly communicating the metrics to one or more external computing devices. | 09-19-2013 |
20130276780 | Integrated, Extendable Anesthesia System - The specification describes anesthesia systems with an integrated, extendable clinical center and clinician/anesthesia office that accommodates for physical separation of clinical and clerical functions. The disclosed anesthesia systems allow for a portion of the system to be brought closer to the patient such that clinical controls can be accessed while tending to the patient airway, without compromising office space available to the clinician or crowding the patient area. | 10-24-2013 |
20130284166 | FAULT DIAGNOSIS IN CPAP AND NIPPV DEVICES - A ventilation device for non-invasive positive pressure ventilation (NIPPV) or continuous positive airway pressure (CPAP) treatment of a patient has a gas flow generator, a gas delivery circuit optionally including a humidifier, a controller and sensors monitoring values of operational parameters of the device. The device further includes one or more relationships stored in data storage of the controller relating combinations of parameter values as being indicative of fault conditions of the device operation, the sensors and/or the fault detection process. | 10-31-2013 |
20130319408 | IMPROVEMENTS TO POWERED AIR BREATHING APPARATUS - A safety breathing apparatus has a sensor for measuring the difference in pressure between two point | 12-05-2013 |
20130333697 | APPARATUS AND SYSTEM FOR A BATTERY PACK ASSEMBLY USED DURING MECHANICAL VENTILATION - This disclosure describes methods and apparatus for indicating battery cell status on a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide methods for indicating battery cell status on the exposed exterior of a battery assembly pack both when the battery is in use and when the battery is not in use during mechanical ventilation. Embodiments utilize power from the ventilator as well as power from the battery pack itself to light the indicators during periods of battery use and non-use, respectively. Embodiments described herein further seek to provide an apparatus indicating battery cell status on the exposed exterior of the battery pack assembly during mechanical ventilation. Embodiments described herein further seek to provide an apparatus for a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide a system for a ventilation system with an inserted battery pack assembly. | 12-19-2013 |
20130340751 | MEASURING CONTINUITY OF THERAPY ASSOCIATED WITH A RESPIRATORY TREATMENT DEVICE - Continuity of therapy associated with a respiratory treatment device may be measured. Information relating to therapy administered via the respiratory treatment device to a subject during a therapy session may be received. Based on the received information, a quantity of therapy interruption events that occurred during the therapy session may be determined. A continuity indicator may be determined based on the quantity of therapy interruption events that occurred during the therapy session. The continuity indicator is indicative of continuity of therapy associated with the respiratory treatment device during the therapy session. | 12-26-2013 |
20140014102 | METHODS FOR BATTERY POWER MANAGEMENT OF POSITIVE AIRWAY PRESSURE APPARATUS - Methods relating to the power management of positive airway pressure apparatus using a battery are disclosed herein. The methods, in various aspects, are adapted to prolong the delivery of a positive airway pressurized therapy when the positive airway pressure apparatus is operated under battery power. | 01-16-2014 |
20140041656 | LEAK DETERMINATION IN A BREATHING ASSISTANCE SYSTEM - Systems and methods for estimating a leak flow in a breathing assistance system including a ventilation device connected to a patient are provided. Data of a flow waveform indicating the flow of gas between the ventilation device and the patient is accessed. A specific portion of the flow waveform is identified, and a linear regression of the identified portion of the flow waveform is performed to determine an estimated leak flow in the breathing assistance system. | 02-13-2014 |
20140083419 | RESPIRATORY INTERFACE - Embodiments disclosed herein relate to respiratory interfaces for use in treating various respiratory issues including, but not limited to, sleep disorder breathing (e.g. snoring, sleep apnea), and in other forms of assisted and unassisted respiration. Embodiments disclosed herein further relate to nasal prongs, flanges and valves for use with respiratory interfaces. Embodiments disclosed herein further relate to evaluating patient compliance with a respiratory interface and harvesting energy for the respiratory. | 03-27-2014 |
20140130798 | VENTILATOR-INITIATED PROMPT REGARDING DETECTION OF DOUBLE TRIGGERING DURING VENTILATION - This disclosure describes systems and methods for monitoring and evaluating ventilatory parameters, analyzing those parameters and providing useful notifications and recommendations to clinicians. That is, modern ventilators monitor, evaluate, and graphically represent multiple ventilatory parameters. However, many clinicians may not easily recognize data patterns and correlations indicative of certain patient conditions, changes in patient condition, and/or effectiveness of ventilatory treatment. Further, clinicians may not readily determine appropriate ventilatory adjustments that may address certain patient conditions and/or the effectiveness of ventilatory treatment. Specifically, clinicians may not readily detect or recognize the presence of double triggering during ventilation. According to embodiments, a ventilator may be configured to monitor and evaluate diverse ventilatory parameters to detect double triggering and may issue notifications and recommendations suitable for a patient to the clinician when double triggering is implicated. The suitable notifications and recommendations may further be provided in a hierarchical format. | 05-15-2014 |
20140144433 | DOSIMETRIC THERAPEUTIC GAS DELIVERY SYSTEM FOR NITRIC OXIDE UTILIZATION MONITORING AND CONTROL - The disclosure describes a technique for monitoring patient utilization of inhaled Nitric Oxide as well as waste exhaust of Nitric Oxide in gases exhaled from patient lungs. By monitoring the real dose provided to a patient, actual compliance with therapeutic target doses may be monitored to improve patient safety and therapeutic benefit from inhaled Nitric Oxide. Simultaneously, unnecessary waste of inhaled Nitric Oxide may be avoided thereby increasing the cost effectiveness of Nitric Oxide therapy. The minimization of Nitric Oxide waste has the further benefit of reducing environmental Nitrogen Dioxide levels in e.g. a NICU environment thereby mitigating medical personnel's Nitrogen Dioxide exposure. | 05-29-2014 |
20140144434 | DOSIMETRIC THERAPEUTIC GAS DELIVERY METHOD FOR NITRIC OXIDE UTILIZATION MONITORING AND CONTROL - The disclosure describes a technique for monitoring patient utilization of inhaled Nitric Oxide as well as waste exhaust of Nitric Oxide in gases exhaled from patient lungs. By monitoring the real dose provided to a patient, actual compliance with therapeutic target doses may be monitored to improve patient safety and therapeutic benefit from inhaled Nitric Oxide. Simultaneously, unnecessary waste of inhaled Nitric Oxide may be avoided thereby increasing the cost effectiveness of Nitric Oxide therapy. The minimization of Nitric Oxide waste has the further benefit of reducing environmental Nitrogen Dioxide levels in e.g. a NICU environment thereby mitigating medical personnel's Nitrogen Dioxide exposure. | 05-29-2014 |
20140144435 | PROMPT APPARATUS FOR AN ANESTHESIA MACHINE AND A CORRESPONDING ANESTHESIA MACHINE - A signaling apparatus for an anesthesia machine, the signaling apparatus comprising an user input sub-module for receiving input information from an user, an available gas sub-module for signaling types of currently available gases according to information of the user input sub-module, and an available gas outlet sub-module for signaling currently available gas outlets according to information of the user input sub-module. | 05-29-2014 |
20140190479 | SPEAKING VALVE WITH SATURATION INDICATION - A speaking valve includes a hollow body configured to be secured to a connector of a tracheostomy system disposed in a patient. The speaking valve further includes a cap that houses a valve member, which enables the speaking valve to act as a one-way check valve. The valve member, hollow body, or other components of the valve may include a material that undergoes a chemical changed when exposed to moisture, i.e., a hydrosensitive material. Particularly, the hydrosensitive material may exhibit a color change when exposed to moisture. As such, the hydrosensitive material may be useful in providing a visual indication of the saturation and/or moisture level of the speaking valve. | 07-10-2014 |
20140202460 | WIRE HEATED TUBE WITH TEMPERATURE CONTROL SYSTEM, TUBE TYPE DETECTION, AND ACTIVE OVER TEMPERATURE PROTECTION FOR HUMIDIFIER FOR RESPIRATORY APPARATUS - A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube. | 07-24-2014 |
20140216451 | PRESSURE BASED GAS LEAK TESTING - Gas-pressure-based testing, in some embodiments, features a self-leak-testing module ( | 08-07-2014 |
20140251327 | RESPIRATOR NEGATIVE PRESSURE FIT CHECK DEVICES AND METHODS - A respiratory mask body defining a breathable air zone for a wearer and having a shut-off valve is provided. In an exemplary embodiment, the mask body includes one or more inlet ports configured to receive one or more breathing air source components. The shut-off valve is operable between a closed position and an open position, and when in a closed position the shut-off valve prevents fluid communication between the one or more inlet ports and the breathable air zone and the shut-off valve returns to an open position in the absence of an applied force. | 09-11-2014 |
20140261409 | SYSTEMS AND METHODS FOR VENTILATION WITH UNRELIABLE EXHALATION FLOW AND/OR EXHALATION PRESSURE - This disclosure describes systems and methods for providing novel back-up ventilation that allows the patient to trigger or initiate the delivery of a breath. Further, this disclosure describes systems and methods for triggering ventilation when exhalation flow and/or exhalation pressure is unknown or unreliable by the ventilator. | 09-18-2014 |
20140261410 | METHODS AND SYSTEMS FOR TRIGGERING WITH UNKNOWN INSPIRATORY FLOW - This disclosure describes systems and methods for providing novel back-up ventilation that allows the patient to trigger or initiate the delivery of breath. Further, this disclosure describes systems and methods for triggering ventilation when base flow and/or inspiratory flow is unknown or indeterminable by the ventilator. | 09-18-2014 |
20140261411 | CLOSED CIRCUIT BREATHING APPARATUS AND METHOD OF OPERATING SAME - A closed circuit breathing apparatus ( | 09-18-2014 |
20140299126 | Lighting Device for Respiratory Humidifier and Respiratory Humidifier - A lighting device for a respiratory humidifier ( | 10-09-2014 |
20140326237 | PORTABLE CONNECTOR FOR SECURING PORTABLE MEDICAL DEVICES - The invention relates to a portable vacuum connector device | 11-06-2014 |
20140331998 | DETERMINATION OF LEAK AND RESPIRATORY AIRFLOW - Methods and apparatus for determining leak and respiratory airflow are disclosed. A pressure sensor ( | 11-13-2014 |
20140338663 | SYSTEM, DEVICE AND PROCESS FOR REMOTELY CONTROLLING A MEDICAL DEVICE - A system for controlling medical devices, wherein this system can comprise a device having at least one wireless or cellular based communication module. The module can be in the form of a GPRS module associated with a SIM card, or a CDMA module. The SIM card can be adapted such that it contains additional memory for storing a program for controlling the device or the system. Multiple cellular communication modules can also be installed in this system. Additional communication modules such as wireless modules including but not limited to Bluetooth, IRDA, RF, or any other wireless module can also be incorporated into the system. Wired modules can also be used, for example these wired modules can be RS-232 modules, USB, Serial adapters, phone and fax modem. | 11-20-2014 |
20140345607 | Breathing mask - The invention relates to a breathing mask, in particular for human beings, comprising a flexible mask body designed to fit over a mouth and nose on a user's face, at least one sealing lip for a gas-proof fit on the user's face, comprising at least one inhalation valve penetrating the mask body, a filter material assigned to the inhalation valve and an exhalation valve penetrating the mask body. It is intended that a manually actuable test valve is arranged downstream of the exhalation valve and designed to provide a gas passage from the exhalation valve to the surroundings in its normal state and to close said passage in its actuated state. | 11-27-2014 |
20140345608 | HEADS-UP DISPLAY FOR DISPLAYING A PARTIAL PRESSURE OF OXYGEN TO A DIVER - A heads-up display has a display panel which displays information related to a partial pressure of oxygen in a breathing gas. The display panel comprises a first indicia, a second indicia, a third indicia, and a fourth indicia. The first indicia and the fourth indicia respectively indicate a near hyperoxic condition and a near hypoxic condition. The second indicia and the third indicia together indicate the partial pressure of oxygen in the breathing gas. | 11-27-2014 |
20140360497 | METHODS AND SYSTEMS FOR TRIGGERING WITH UNKNOWN BASE FLOW - This disclosure describes systems and methods for providing novel back-up ventilation that allows the patient to trigger or initiate the delivery of breath. Further, this disclosure describes systems and methods for triggering ventilation when base flow is unknown or undeterminable by the ventilator. | 12-11-2014 |
20150013674 | SYSTEM AND METHOD FOR MONITORING AND REPORTING STATUS OF A VENTILATED PATIENT - The present disclosure provides a method of issuing an alert for optimizing interaction between a patient and a ventilatory system. The method includes ventilating a patient using a ventilatory system and retrieving one or more of current ventilatory settings, collected ventilatory data, and patient data. The method also includes detecting corruption of interaction between a patient and the ventilatory system, determining one or more root causes of the corruption, and determining and displaying a recommendation for resolving the corruption based on the one or more root causes. | 01-15-2015 |
20150020800 | END OF SERVICE LIFE INDICATOR FOR A RESPIRATOR - Systems, methods, and devices for an end of service life indicator for a respirator are described herein. For example, a device can include a cartridge containing a filter material and an insert extending through at least a portion of the filter material having a first path with a first opening to provide a sample of air that is representative of a saturation of the filter material and a second path with a second opening configured to provide a filtered sample of the air throughout a service life of the cartridge. | 01-22-2015 |
20150020801 | BREATHING ASSISTANCE APPARATUS WITH SERVICEABILITY FEATURES - A breathing assistance apparatus is configured with features that improve serviceability of the apparatus. The apparatus can include animations to provide instruction regarding correcting easily-identified fault conditions and to provide instruction regarding routine maintenance routines. The apparatus also can be configured with top level control menus that are obscured in a manner to limit manipulation of the top level control elements by unauthorized users. | 01-22-2015 |
20150027442 | Respiratory Gas Monitoring - A device for monitoring gases present in a breathing mask. A gas sensing element carried by the breathing mask senses the partial pressure of a gas present in the breathing mask and outputs signals corresponding to the sensed gas partial pressure. The gas sensing element may comprise a gas-sensing material configured to emit, in response to light excitation, an optical signal at an intensity corresponding to the partial pressure of a sensed gas. | 01-29-2015 |
20150034083 | Method for Detecting at Least One Anomaly in an Observed Signal, Corresponding Computer Program Product and Device - A method is provided for detecting the presence of an anomaly within an observed physical signal. The observed signal includes an addition of a physical disturbance signal and a reference signal. The anomaly is relative to a change in the behavior of the reference signal compared with a first tolerance value. Such a method includes: determining a time span having at least one moment of interest; detecting the presence of the anomaly within the observed physical signal during the time span by conducting a hypothesis test using the first tolerance value, a first rate of tolerated false alarms, and data obtained from processing the observed signal. | 02-05-2015 |
20150040896 | PATIENT INTERFACE HAVING ILLUMINATED PORTION - A coupling for use in a system ( | 02-12-2015 |
20150059739 | INHALER SPACER - A device for use with an inhaler spacer to improve compliance with a medicament dosage regime. The device comprises a display, detection means for detecting indications of successful inhalations by a patient using an inhaler spacer and a memory storing computer readable instructions. The computer readable instructions are configured to present at least one incentive graphic on said display, and to update the incentive graphic in response to detection of an indication of a successful inhalation by the detection means. | 03-05-2015 |
20150059740 | AIRWAY PRODUCTS AND TECHNIQUE FOR USING THE SAME - An airway management device is provided that may adjust the inflation level of a cuff associated with an endotracheal tube. The cuff inflation may be adjusted in response to an increase in carbon dioxide levels above the cuff, which may indicate a poor seal of the cuff against the tracheal walls, as well in response to a measured intracuff pressure. By using information about the seal quality of the cuff together with information about the cuff pressure, the inflation of the cuff can be adjusted to minimize cuff inflation pressure while maintaining a high quality tracheal seal. | 03-05-2015 |
20150068517 | Breathing Apparatus Detection and Purging - Described are methods for safer nitric oxide delivery, as well as apparatuses for performing these methods. The methods may include detecting the presence or absence of a nasal cannula, and stopping the delivery of nitric oxide or providing an alert if the cannula is disconnected. The methods may also include purging the nasal cannula if it is reconnected after a disconnection or if it is replaced by a new cannula. Other methods pertain to automatic purging of the delivery conduit if the elapsed time between successive deliveries of therapeutic gas exceeds a predetermined period of time. | 03-12-2015 |
20150075522 | Clinical Decision Support System and Methods - The present invention provides clinical decision support that can be used with non-portable and portable systems when delivering and/or monitoring delivery of a therapeutic gas comprising nitric oxide to a patient. Further, clinical decision support can be used with non-portable and portable systems during delivery and/or monitoring of delivery of therapeutic gas when nebulized drugs may and/or may not be being delivered to a patient (e.g., when nebulizers are delivered upstream in the inspiratory limb of the breathing circuit, into a breathing gas delivery system, etc.). | 03-19-2015 |
20150083121 | PORTABLE LIFE SUPPORT APPARATUS - A portable life support apparatus ( | 03-26-2015 |
20150083122 | MULTIPLE CONNECTOR DEVICE FOR RESPIRATORY CIRCUITS WITH ALARM DUE TO DISCONNECTION - The present invention relates to a multiple connector device for respiratory circuits with alarm due to disconnection, which comprises a main body which is hollow inside, which is in the form of a cross having four arms which are: an upper vertical tubular arm inside of which is housed a driving element which projects into the interior of the lower vertical arm; a lower vertical arm preferably of a square form, which is partially hollow in the interior thereof for the purpose of housing a segment of the driving element and a control element; a right lateral arm; and a left lateral arm which is a mirror image of the right lateral arm, wherein the driving element is in the form of an arrow that effects an axial movement along the upper vertical arm and the lower vertical arm of the main body and the control element is an electronic board that includes all of the electronic components for operating the multiple connector device and which together with the arrangement of the driving element enable the proper functioning thereof. | 03-26-2015 |
20150090257 | MASK INCLUDING INTEGRATED SOUND CONDUCTION FOR ALERT NOTIFICATION IN HIGH-NOISE ENVIRONMENTS - A human wearable mask includes a skirt for directly contacting a human wearer and a sound conduction component on the skirt. The sound conduction component can provide an alert notification within high-noise environments while allowing ambient sounds to be heard over the conduction speakers. The sound conduction component may be used to reproduce audio for firefighters and other users who need radio communications. | 04-02-2015 |
20150090258 | VENTILATOR-INITIATED PROMPT OR SETTING REGARDING DETECTION OF ASYNCHRONY DURING VENTILATION - Systems and methods are provided for monitoring and evaluating diverse ventilatory parameters to detect an asynchrony and may issue notifications and recommendations suitable for a patient to the clinician when asynchrony, such as an ineffective effort and an auto-trigger, is implicated. The suitable notifications and recommendations may further be provided in a hierarchical format such that the clinician may selectively access summarized and/or detailed information regarding the presence of asynchrony. In more automated systems, recommendations may be automatically implemented. | 04-02-2015 |
20150096559 | MANUAL VENTILATION FEEDBACK SENSOR FOR USE IN CLINICAL AND TRAINING SETTINGS - A manual ventilation feedback sensor for use in clinical and training settings is disclosed. Namely, a manual resuscitator device is disclosed that comprises a bag valve mask, a one-way valve, a manual ventilation bag, and a sensing module, wherein the sensing module can comprise a pressure sensor and/or flow transducer. Sensing module may further comprise a controller for processing information from the pressure sensor and/or flow transducer; namely for determining and indicating a ventilation rate. Indicators are provided to guide the user with respect to a target or desired ventilation rate. | 04-09-2015 |
20150101599 | INHALER COUNTER - An inhaler for delivery of a medicament by inhalation is disclosed. The inhaler comprises a dispensing mechanism, the dispensing mechanism being configured to dispense a dose of medicament on actuation. The inhaler further comprises a dose counting mechanism comprising a counter and a translating member. The translating member comprises a pawl. The counter comprises a first count wheel, a second count wheel and an intermediate wheel engaged with the second count wheel and in selective engagement with the first count wheel. When the inhaler is fired to dispense a dose of medicament, the dispensing mechanism moves the translating member in a substantially linear direction. The pawl thus rotates the first count wheel, and as the first count wheel rotates, the intermediate wheel is selectively engaged thereby selectively rotating the second count wheel to count the doses of the inhaler. | 04-16-2015 |
20150101600 | SENSING AND CONTROL ARRANGEMENTS FOR RESPIRATORY DEVICE - Various characteristics of a gas flow can be sensed at the end of a respiratory conduit near the patient interface using a sensing module. The sensing module can be removable from the patient end of the respiratory conduit for ease of use and ease of cleaning. The sensor module can transmit sensor data over the same wires used to heat the respiratory conduit. | 04-16-2015 |
20150107584 | METHODS AND SYSTEMS FOR LEAK ESTIMATION - The systems and methods include providing, displaying, and/or utilizing leak estimation during ventilation of a patient with a ventilator. The systems and methods include providing, displaying, and/or utilizing internal leak estimation, total leak estimation, and/or external leak estimation during ventilation of a patient with a ventilator. | 04-23-2015 |
20150114389 | HEATING FOR POWERED AIR UNIT - A powered air purifying respirator (PAPR) with an active heating system. The PAPR includes a powered air component designed to be carried by a user of the PAPR, the powered air component including a fan and a filter, wherein the fan draws air from a user's environment through the filter. The PAPR further includes an electronically controlled active heating element and a control system. The control system varies the power provided to the heating element and further disables the heating element when potential overheating of the heating element is detected. The present invention further includes a heating module for use with a PAPR. The heating module includes an electronically controlled active heating element. The heating element is disabled when the fan in the PAPR is not rotating. | 04-30-2015 |
20150114390 | DISPLAY AND CONTROLS FOR A CPAP DEVICE - An apparatus for treating sleep disordered breathing may include: a flow generator to deliver a supply of air at positive pressure to a patient; a user interface, the user interface comprising: a display configured to display a plurality of screens; and a set of controls; and a controller in communication with the user interface and configured to control operation of the flow generator, wherein the flow generator is configured to couple with at least one accessory device and during a first mode of operation of the flow generator the controller determines a first screen of the plurality of screens to display on the display based on the at least one accessory device, the first screen of the plurality of screens being configured to enable adjustment of one or more parameters related to the operation of the at least one accessory device or the flow generator using the set of controls. | 04-30-2015 |
20150128937 | SELF-CONTAINED BREATHING SYSTEM - A breathing apparatus is operable in self-contained and filtered modes of operation. In the self-contained mode of operation, a breathable gas is delivered to a user from a self-contained source of breathing gas. In a second, filtered mode of operation, a suction source draws ambient air through a filter removing contaminants and delivers filtered ambient air to the user. A method of delivering air to a subject is also provided. | 05-14-2015 |
20150136125 | FAULT DIAGNOSIS IN CPAP AND NIPPV DEVICES - A ventilation device for non-invasive positive pressure ventilation (NIPPV) or continuous positive airway pressure (CPAP) treatment of a patient has a gas flow generator, a gas delivery circuit optionally including a humidifier, a controller and sensors monitoring values of operational parameters of the device. The device further includes one or more relationships stored in data storage of the controller relating combinations of parameter values as being indicative of fault conditions of the device operation, the sensors and/or the fault detection process. | 05-21-2015 |
20150144130 | FLOW PATH FAULT DETECTION METHOD FOR A RESPIRATORY ASSISTANCE APPARATUS - A respiratory assistance apparatus is configured to provide a heated and humidified glow of gases and has a control system that is configured to detect a fault in the flow path. A flow path is provided for a gases stream through the apparatus from a gas inlet through a blower unit and humidification unit to a gases outlet. A flow rate sensor is provided in the flow path and is configured to sense the flow rate and generate an flow rate signal and/or a motor speed sensor is provided that is configured to sense the motor speed of the blower unit and generate an indicative motor speed signal. | 05-28-2015 |
20150144131 | SMART CONNECTIONS - Systems and methods for smart connections are described herein. An example system for determining continuity of a portion of a patient breathing circuit includes a first connector and a second connector. The first connector may include a first end of an electrical lead. The electrical lead may be configured for enabling a continuity check of the first connector. The second connector may include a second end of an electrical lead. The electrical lead may be configured for enabling a continuity check of the second connector. Another example system for patient ventilation includes a breathing circuit including a machine readable identifier and a ventilator configured to read the machine readable identifier. An example method is described for checking continuity of a breathing circuit. | 05-28-2015 |
20150290406 | CONTINUOUS POSITIVE AIRWAY PRESSURE DEVICE WITH USER INTERFACE - A continuous positive airway pressure (CPAP) device to non-invasively treat a sleep disordered breathing disorder of a user may include a humidifier indicator backlight configured to indicate operation of a humidifier and a heated tube, the humidifier indicator backlight having an on state and an off state, a first backlit color and a second backlit color, and a first brightness and a second brightness, and the humidifier indicator backlight being configured to change between the first backlit color and the second backlit color and/or between the first brightness and the second brightness in response to user adjustment of a humidifier setting and/or a heated tube setting. | 10-15-2015 |
20150297849 | AN APPARATUS AND A METHOD FOR SUPPORTING AN AIRWAY OF A SUBJECT - The present invention provides an apparatus and a method for supporting an airway of a subject. An aspect of the present invention proposes an apparatus ( | 10-22-2015 |
20150306323 | System For Alarm-Monitoring Patients On Continuous Free Flow Oxygen Delivery Via T-Piece On Closed Tracheal Suction System - An endotracheal tube alarm apparatus includes an inner cannula having an outer mating surface, the outer mating surface having a seated first electrical conductor, and a ventilator tube having an inner mating surface slidably coupled to the outer mating surface of the inner cannula, the inner mating surface having seated second and third electrical conductors extending circumferentially about the inner mating surface and each in complementary opposition to the first electrical conductor so that the third electrical conductor is in electrical communication with the second electrical conductor through the first electrical conductor. | 10-29-2015 |
20150314090 | ALARMING METHOD FOR VENTILATOR AND VENTILATOR ALARM SYSTEM - An alarming method for a ventilator and a ventilator alarm system are provided. The method includes the following. First, a plurality of ventilation parameters are received and detected. If a peak airway pressure of the ventilation parameters conforms to a first condition, whether a plateau pressure conforms to a second condition is determined, wherein the first condition is Y | 11-05-2015 |
20150320952 | Enhanced Performance Verification Port For Therapeutic Gas Delivery - Therapy gas delivery systems that provide run-time-to-empty information to a user of the system and methods for administering therapeutic gas to a patient. The therapeutic gas delivery system may include a gas pressure sensor attachable to a therapeutic gas source that communicates therapeutic gas pressure data to a therapeutic gas delivery system controller, a gas temperature sensor positioned to measure gas temperature in the therapeutic gas source that communicates therapeutic gas temperature data to the therapeutic gas delivery system controller, at least one flow controller that communicates therapeutic gas flow rate data to the therapeutic gas delivery system controller, at least one flow sensor that communicates flow rate data to the therapeutic gas delivery system controller, and at least one display that communicates run-time-to-empty to a user of the therapeutic gas delivery system. The therapeutic gas delivery system controller of the system includes a processor that executes an algorithm to calculate the run-time-to-empty from the data received from the gas pressure sensor, temperature sensor, flow controller and flow sensor, and directs the result to the display. | 11-12-2015 |
20150328429 | Systems And Methods For Indicating Lifetime Of An NO2-to-NO Reactor Cartridge Used To Deliver NO For Inhalation Therapy To A Patient - The principles and embodiments of the present invention relate to methods and systems for safely providing NO to a recipient for inhalation therapy. There are many potential safety issues that may arise from using a reactor cartridge that converts NO | 11-19-2015 |
20150335838 | POWER CONTROL IN A MEDICAL VENTILATOR - A ventilator that is small, lightweight, and portable, yet capable of being quickly adapted to operate in a plurality of different modes and configurations to deliver a variety of therapies to a patent. A porting system having a plurality of sensors structured to monitor a number of parameters with respect to the flow of gas, and a number of porting blocks is used to reconfigure the ventilator so that it operates as a single-limb or dual limb ventilator. In the single-limb configuration, an active or passive exhaust assembly can be provided proximate to the patient. The ventilator is capable of operate in a volume or pressure support mode, even in a single-limb configuration. In addition, a power control mechanism controls the supply of power to the ventilator from an AC power source, a lead acid battery, an internal rechargeable battery pack, and a detachable battery pack. | 11-26-2015 |
20150335839 | RESPIRATION SYSTEM - Respiration system for non-invasive positive-pressure respiration, with a pressure source providing respiratory gas, with a control and evaluation unit connected to sensors detecting a leakage volume, spontaneous respiration frequency, tidal volume and the inspiration time. The control and evaluation unit I) checks the leakage volume and reduces the inspiratory pressure assistance proceeding to ii) or triggers an alarm and returns to I), ii) checks the frequency and triggers an alarm and returns to I) or reduces or increases the inspiratory pressure and returns to I) or proceeds to step iii), iii) checks the volume and reduces or increases the inspiratory pressure and returns to I) or leaves the pressure assistance unchanged proceeding to step iv), iv) adjusts the time period of the pressure assistance, depending on the inspiration time, the time period being left unchanged if the inspiration time lies in the predefined inspiration time interval, and returns to I). | 11-26-2015 |
20150343160 | VENTILATION VITALITY RING - A system and method for displaying the status of a patient on ventilation is disclosed including a ventilator system configured to provide mechanical ventilation to a patient and a display device operatively associated with the ventilator system. The display device is configured to display a user interface including a pictogram having patient status information related to the ventilator system. The pictogram includes a central section configured to display patient status information relating to an overall status of the patient and at least one group section configured to display patient status information relating to a particular category of ventilatory status parameters. | 12-03-2015 |
20150352311 | Breathing Apparatus Detection and Purging - Described are methods for safer nitric oxide delivery, as well as apparatuses for performing these methods. The methods may include detecting the presence or absence of a nasal cannula, and stopping the delivery of nitric oxide or providing an alert if the cannula is disconnected. The methods may also include purging the nasal cannula if it is reconnected after a disconnection or if it is replaced by a new cannula. Other methods pertain to automatic purging of the delivery conduit if the elapsed time between successive deliveries of therapeutic gas exceeds a predetermined period of time. | 12-10-2015 |
20150359982 | SYSTEM AND METHOD FOR INTRA-PULMONARY PERCUSSIVE VENTILATION INTEGRATED WITH A VENTILATOR - The present disclosure pertains to a ventilation therapy system configured to control a pressure or flow generator to apply an intra-pulmonary percussive ventilation therapy regime to a pressurized flow of breathable gas during baseline ventilation therapy. The ventilation therapy system is configured to automatically control the pressurized flow of breathable gas. The system may automatically control an extent of hyperinflation during IPPV in a subject. The system is configured such that therapy set points, alarm settings, and/or other factors are automatically adjusted during the application of IPPV relative to the set points and alarm settings during baseline ventilation therapy. In some embodiments, the system comprises one or more of a pressure or flow generator, a subject interface, one or more sensors, one or more processors, a user interface, electronic storage, and/or other components. | 12-17-2015 |
20150367150 | Automatic Switching Device for a Breathing Apparatus with an Alarm-Relief Function and Automatic Reset - Apparatus and associated methods relate to an automatic fluid alarm that provides an fluid-communication path between a secondary fluid source and a whistle port when a primary fluid source experiences a reduction in pressure, the automatic fluid alarm being user resettable by disconnecting the primary fluid source or otherwise reducing the primary source pressure and activating a reset member, thereby interrupting the fluid-communication path. In some examples, a piston member may provide a movable seal for providing the fluid-communication path and its interruption. An exemplary piston member may be slidably reset in a non-interrupting mode by an adequate primary fluid pressure, and slidably set in an interrupting mode by a user activation. The interrupting mode may silence the whistle which may facilitate user communication during what may be a stressful primary fluid source failure event. Some exemplary automatic fluid alarms may conserve secondary fluid when the whistle is silenced. | 12-24-2015 |
20150374947 | ANESTHETIC BREATHING APPARATUS HAVING VOLUME REFLECTOR UNIT WITH CONTROLLABLE PENETRATION - An anesthetic breathing apparatus and system, having a patient circle system for re-breathing exhaled gases by a patient a volume reflector, a fresh gas delivery line, and a gas sensor unit arranged to measure a gas stream upstream a fresh gas connection and downstream said reflector unit. The gas sensor unit provides a signal for detection of a reflector driving gas (RDG) crossing over the volume reflector during inspiration based on at least one property of the gas stream measured by the gas sensor unit. Appropriate action may be taken based on this measurement, for instance in disclosed methods. | 12-31-2015 |
20160001103 | Method of Warning of an Abnormality of an Air Purifier of a Respirator - Provided is a method of warning of an abnormal state of an air purifier of a respirator, in which when an abnormality of the air purifier occurs, colors, flickering intervals, and display patterns of light emitting diodes (LEDs) are differently output in such a way that an abnormal state such as a dead battery of the air purifier which purifies polluted external air and supplies the purified air to a worker, an error caused by a blockage of a filter unit due to foreign substances, an abnormality in a load rate of the filter unit, and an error, abnormality, failure and danger caused by the expiration of an operation time and a replacement of the filter unit is warned and at the same time informed to other workers who are working near the worker to prevent a dangerous situation in which the polluted external air which is not filtered and purified is inhaled by the worker through the respirator. A technical configuration for the method of warning of the abnormal state of the air purifier of the respirator includes the respirator a worker wears, the air purifier connected to the respirator through an air supply tube and including the filter unit to purify polluted external air flowing thereinto, and a control unit provided to be controllable in the air purifier, wherein an error, failure, and dangerous situation of the air purifier and the filter unit are warned and informed to other workers near the worker wearing the air purifier through an LED warning window. | 01-07-2016 |
20160001106 | LUNG DEMAND VALVE - There is disclosed a lung demand valve comprising: a body within which is disposed a diaphragm and a valve assembly having a valve inlet, the valve assembly and diaphragm arranged to cooperate to control the delivery of breathable gas to a user. There is also provided a breathable gas inlet fluidically connected to the valve inlet inside the body and arranged to be fluidically connected to a supply of breathable gas; and a whistle coupled to the body. The whistle has a whistle inlet fluidically connected to the breathable gas inlet inside the body and a whistle outlet disposed outside the body. In use, when the pressure of the breathable gas in the breathable gas inlet is less than a threshold, breathable gas flows from the breathable gas inlet through the whistle inlet and outletthereby causing the whistle to sound outside of the body. | 01-07-2016 |
20160022952 | Apparatus and Method for Adaptive Closed-loop Control of Oxygen-Hemoglobin Saturation Levels - The present invention is a method, system, and apparatus for providing automated closed-loop control of oxygen-hemoglobin saturation, S | 01-28-2016 |
20160030689 | METHOD DEVICE AND SYSTEM FOR MONITORING LUNG VENTILATION - A method of monitoring lung ventilation of a subject is disclosed. The method comprises recording signals from a plurality of sensing location on the chest of the subject, at least a portion of the signals being indicative of a local motion of the chest at a respective sensing location. The method further comprises operating a data processing system to analyze the signals such as to determine a status of the ventilation, thereby to monitor the lung ventilation of the subject. | 02-04-2016 |
20160045691 | Connector and Alerting Device - The present invention connects to tubing through which gas flows to a patient. An alert notifies monitoring personnel that oxygen flow to the patient has been interrupted, because the tubing has been disconnected. The invention comprises an adapter that is connected to a gas or oxygen source and a nipple over which the tubing fits and through which oxygen flows to the patient. When the tubing becomes disconnected from the nipple, the oxygen flow actuates an alert. In one embodiment, the invention includes a spring and swing arm that, when the tubing becomes disconnected from the nipple, align the nipple with a swing arm so that the gas flows through the nipple and the swing arm to actuate the alert. | 02-18-2016 |
20160067434 | BREATHING DEVICE AND METHOD FOR CONTROLLING A RESPIRATORY GAS SOURCE - A breathing device comprises a respiratory gas source for generating a gas pressure for a patient, delivered by a respiratory mask, a measuring unit for measuring a measurement quantity characteristic of inhalation or exhalation, and a control unit which determines the patient's tidal volume from the measurement quantity and compares this with a setpoint value of the tidal volume. The control unit regulates the respiratory gas source such that the generated gas pressure is made available until the setpoint value of the tidal volume is reached. In addition, further regulation of a parameter characteristic of the patient's breathing is carried out. The method for controlling a respiratory gas source with a control unit for a patient's breathing comprises regulation of the patient's tidal volume by providing and applying inspiratory pressure and simultaneous regulation of a further breathing parameter. | 03-10-2016 |
20160089552 | BREATHING APPARATUS COMPLIANCE SYSTEM - A breathing apparatus comprising a case containing a chemical for generating oxygen and a monitoring circuit in the case is disclosed. The monitoring circuit includes multiple sensors configured to sense parameters within the case relevant to an operational status of the breathing apparatus, and a controller configured to receive signals from the sensors and to produce an output signal indicating the operational status of the breathing apparatus. A method for monitoring a breathing apparatus is also disclosed. The method includes using multiple sensors within a case of a breathing apparatus to sense parameters relevant to an operational status of the breathing apparatus, and processing signals from the sensors to produce an output signal representative of the operational status of the breathing apparatus. The sensors may include humidity, impact, pressure and temperature sensors. | 03-31-2016 |
20160129209 | Connector and Alerting Device - The present invention connects to tubing through which gas flows to a patient. An alert notifies monitoring personnel that oxygen flow to the patient has been interrupted, because the tubing has been disconnected. The invention comprises an adapter that is connected to a gas or oxygen source and a nipple over which the tubing fits and through which oxygen flows to the patient. When the tubing becomes disconnected from the nipple, the oxygen flow actuates an alert. In one embodiment, the invention includes a fixed arm and a swing arm. A latch and a spring that pull the fixed arm and swing arm toward each other connect the two arms. When the tubing becomes disconnected, one arm rotates and activates a switch that sends a signal to an alert that is preferably audible. | 05-12-2016 |
20160136377 | Gas Delivery Device and System - A gas delivery system including a gas delivery device, a control module and a gas delivery mechanism is described. An exemplary gas delivery device includes a valve assembly with a valve and circuit including a memory, a processor and a transceiver in communication with the memory. The memory may include gas data such as gas identification, gas expiration and gas concentration. The transceiver on the circuit of the valve assembly may send wireless optical line-of-sight signals to communicate the gas data to a control module. Exemplary gas delivery mechanisms include a ventilator and a breathing circuit. Methods of administering gas are also described. | 05-19-2016 |
20160151591 | Anesthesia Station for Laboratory Animals and Method for Determining the Organohalogen Saturation Rate of the Filters of Such an Anesthesia Station | 06-02-2016 |
20160151592 | Life Support and Monitoring Apparatus with Malfunction Correction Guidance | 06-02-2016 |
20160151601 | BREATHING APPARATUS WITH MONITORED DELIVERY DEVICE | 06-02-2016 |
20160158478 | MODULARIZED RESPIRATORY TREATMENT APPARATUS - A modularized respiratory treatment apparatus provides various respiratory pressure treatments. The apparatus may be formed by discrete connectable modules such as a flow generator module, alarm module and/or humidifier module. Each module may include its own external casing or housing to independently retain or enclose the respective components that serve the function of the module. Different modules may be adapted with different components and functionalities and may be readily coupled using standardized gas and electrical connection configurations that have flow and communication paths that extend through the modules. When coupled, operation of the respiratory treatment apparatus may be controlled by detection of different modules, such as the alarm module that generates visual and/or audible alarms based on detected conditions, so as to selectively enable or disable different respiratory treatments. The discrete modules of the medical treatment apparatus may include tamper resistant locking mechanisms to impede unauthorized separation of some modules. | 06-09-2016 |
20160166796 | SYSTEM AND METHOD FOR DETECTION OF OXYGEN DELIVERY FAILURE | 06-16-2016 |
20160184538 | DETECTING THE FIT OF A PATIENT INTERFACE DEVICE - A method of detecting the fit of a patient interface device ( | 06-30-2016 |
20170232214 | COMPUTER AIDED MECHANICAL VENTILATION SYSTEMS AND METHODS | 08-17-2017 |
20190143056 | RESPIRATORY KNOWLEDGE PORTAL | 05-16-2019 |
20190143059 | SYSTEMS AND METHODS FOR VENTILATION OF PATIENTS | 05-16-2019 |
20190143154 | COMPACT POWERED AIR PURIFYING RESPIRATOR WITH AUTO-CHANGE FILTER AND BUILT-IN END OF SERVICE LIFE INDICATOR | 05-16-2019 |
20220134028 | PATIENT ATTACHMENT DETECTION IN RESPIRATORY FLOW THERAPY SYSTEMS - Systems and methods can determine whether a patient is attached to a respiratory device (such as to via a patient interface) by analyzing a flow parameter signal in the time domain. Additionally, the processes can classify the patient attachment status into one of the four categories: detached, attaching, attached, or detaching. The system can include a non-sealed patient interface, such as a nasal cannula in a nasal high flow therapy, or any other patient interfaces. Data of the patient's use of the respiratory system can provide therapy compliance and long-term trend of use information and/or progress in the patient's respiratory functions and/or other physiological functions. | 05-05-2022 |
20220134137 | SENSOR-ENABLED RESPIRATOR FIT-TEST SYSTEM WITH CONTEXT-BASED REMEDIAL RECOMMENDATIONS - In some examples, a system includes a respirator configured to be worn by a user; a sensor operatively coupled to the respirator; and a computing device comprising a memory and one or more computer processors, the memory comprising instructions that when executed by the one or more computer processors cause the one or more computer processors to: in response to receiving data from the sensor, determine, during at least one action that is performed by the user and that corresponds to at least one graphical element, that the fit test was not satisfied; determine, based at least in part on particular context data associated with the fit test, at least one remedial recommendation to satisfy the fit test; and output for display the at least one remedial recommendation to satisfy the fit test. | 05-05-2022 |