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Control Means Responsive To Condition Other Than User's Airway Pressure

Control Means Responsive To Condition Other Than User's Airway Pressure patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Surgery


Respiratory Method Or Device > Means For Mixing Treating Agent With Respiratory Gas > Control Means Responsive To Condition Other Than User's Airway Pressure



Method for controlling a capacity of carbon dioxide remover in an anesthesia breathing system and anesthesia breathing system for ventilating lungs of a subject
05/28/15 - 20150144135 - A method for controlling a capacity of a carbon dioxide remover in an anesthesia breathing system is disclosed herein. The method includes determining exhaled breathing gas flow volume of a subject in the breathing system, and determining exhaled gas flow volume removed from the breathing system. The method also includes...

Hyperthermic humidification system
05/28/15 - 20150144136 - Apparatus and methods for delivering humidified breathing gas to a patient are provided. The apparatus includes a humidification system configured to deliver humidified breathing gas to a patient. The humidification system includes a vapor transfer unit and a base unit. The vapor transfer unit includes a liquid passage, a breathing...

Portable handheld blending gas enriched pressure support system and method
05/21/15 - 20150136129 - The present disclosure pertains to a portable handheld pressure support system configured to deliver a blending gas enriched pressurized flow of breathable gas to the airway of a subject. The pressure support system is configured to treat patients suffering from dyspnea and/or other conditions. The therapy provided to dyspnea patients...

Method and apparatus for oral flow therapy
05/14/15 - 20150128941 - A therapy system configured to wash out or flush out the oral and/or nasal cavity to reduce the effective dead space and reduce the work of breathing. The system may displace the expired air in the oral and/or nasal cavity with atmospheric air, or air with altered concentrations, for example,...

Control of flow and/or pressure provided by breathing apparatus
05/14/15 - 20150128942 - The invention comprises a method of operating a breathing apparatus comprising measuring a baseline breath flow parameter being respiratory rate and/or tidal volume or a parameter derived therefrom, varying the flow rate provided by the breathing apparatus, measuring a current breath flow parameter being respiratory rate and/or tidal volume or...

Zero point calibration method and apparatus for pressure sensor of anesthesia machine
04/23/15 - 20150107587 - Disclosed are a zero point calibration method and apparatus for a pressure sensor of an anesthesia machine. The method comprises: performing zero point calibration on an airway pressure sensor of the anesthesia machine (110); restarting and carrying out startup self-testing (120); and judging whether pressure change values of the airway...

Respiratory humidifier communication systems and methods
04/23/15 - 20150107588 - A respiratory humidification system includes a humidifier that is capable of electronic communication with one or more other components of the system thereby permitting transfer of data or control signals between the humidifier and other components of the system. In some systems, a flow generator, such as a ventilator, is...

Nitric oxide generator and inhaler
04/16/15 - 20150101604 - Several embodiments of a Nitric Oxide Inhaler that uses an electrical spark to produce Nitric Oxide from Air, optimized to maximize the production of Nitric Oxide and minimize the production of Nitrogen Dioxide through hardware and control system. Further disclosed is a system to control such inhalers....

Nitric oxide generator and inhaler
04/02/15 - 20150090261 - Several embodiments of a Nitric Oxide Inhaler that uses an electrical spark to produce Nitric Oxide from Air, optimized to maximize the production of Nitric Oxide and minimize the production of Nitrogen Dioxide through hardware and control system. Further disclosed is a system to control such inhalers...

Breathing circuit humidification system
03/26/15 - 20150083126 - A breathing circuit humidification system (200) is described that includes a humidification system (102) and a patient breathing circuit (201). The humidification system includes at least a moisture water source (209), a flash evaporator (211) and a moisture exchanger. Water is selectively introduced from the water source to the flash...

Nitrous oxide anesthetic administration system
03/19/15 - 20150075525 - A system and method for administering nitrous oxide to a patient has a fluid control system that allows a user to monitor and control the supply of gases to a patient. A shutoff valve allows a user to selectively activate the fluid control system. Oxygen flow is adjusted by a...

Systems and methods of administering a pharmaceutical gas to a patient
03/19/15 - 20150075526 - Methods and systems for delivering a pharmaceutical gas to a patient. The methods and systems provide a known desired quantity of the pharmaceutical gas to the patient independent of the respiratory pattern of the patient over a plurality of breaths every nth breath, where n is greater than or equal...

Pressure sensitive device for flow detection
03/12/15 - 20150068523 - A pressure sensitive device includes a ring having a central axis, first side and second side. The ring includes a dielectric portion parallel to the central axis and between the first and second sides. A flexible membrane is connected to a periphery of the ring on the first side, the...

Anesthetic delivery system
03/05/15 - 20150059744 - An anesthetic delivery system for use in conjunction with an anesthetic return system for reutilizing anesthetic exhaled by a subject, the system including a measurement system operatively connected to a breathing circuit for continuously measuring at least one flow parameter and anesthetic content of a gas stream reaching the subject...

Respiratory assistance apparatus
03/05/15 - 20150059745 - A respiratory assistance apparatus has a gases inlet configured to receive a supply of gases, a blower unit configured to generate a pressurised gases stream from the supply of gases; a humidification unit configured to heat and humidify the pressurised gases stream; and a gases outlet for the heated and...

Inhalation device
02/19/15 - 20150047636 - The present disclosure relates to an inhalation device for delivering at least one dose of a medicament, comprising a lock-out mechanism to prevent an operation of the inhalation device when a given number of doses has been delivered....

Vaporizer arrangement for a breathing apparatus
02/12/15 - 20150040900 - A vaporizer arrangement for a breathing apparatus serves the double purpose of vaporizer and pressurized supply of vapor-containing gas for direct delivery to a patient. The vaporizer arrangement has at least a first gas inlet channel for conveying a flow of a carrier gas into a vaporization chamber, a vaporizer...

Virtual respiratory gas delivery systems and circuits
02/05/15 - 20150034085 - A respiratory gas delivery system monitors gas flow over the course of a breath in real time and uses this parameter to simulate, in whole or part, the function of a reference respiratory gas delivery system, in particular structural features, particularly structural components of parts of the reference system, to...

Aerosol generator
02/05/15 - 20150034086 - A sonic aerosol generator is provided that provides a constant concentration of particulate aerosol over a long exposure time to an animal. The concentration of aerosols is maintainable for greater than 30 hours at concentrations of 15 mg/m3 or more. The aerosol generator is used to expose subject to high...

Apparatus and method for maintaining patient temperature during a procedure
01/22/15 - 20150020803 - The present invention relates to an apparatus and method for maintaining patient temperature during an anaesthetic procedure. Patients, particularly small patients, can lose body temperature when undergoing surgery or other procedures where they are anaesthetised. The process of breathing the cool anaesthetic gas contributes to the temperature loss of the...

Analysis and control of aerosol flow
01/22/15 - 20150020804 - An aerosol generation system has a light source arrangement which provides signals at first and second wavelengths, and the detected light signals are recorded. The detected signals are processed to derive at least a measure of the aerosol particle size. This can be used in combination with the other parameters...

Breathable gas apparatus with humidifier
01/22/15 - 20150020805 - A flow generator and humidifier construction is described, including a flow generator construction adapted to reduce noise output compared to known flow generators of comparable size. The flow generator includes a chassis forming first and second muffler volumes and a venturi-shaped connection portion, and a metal/polymer composite material blower enclosure...

Systems, devices, and methods for changing therapeutic aerosol size and improving efficiency of ventilation and aerosol drug delivery
01/08/15 - 20150007817 - A mixer-heater device provides controllable reduction in aerosol droplet size. Additionally, an intermittent delivery mode for administering an aerosol to a patient may take into account patient expiration and reduce aerosol losses without prolonging treatment time. Depositional losses in aerosol delivery systems may be reduced by streamlining the three dimensional...

Flow sensor
01/01/15 - 20150000655 - A flow sensor comprises a flow restriction disposed within a passage such that a fluid passing through the passage must pass through the flow restriction. The flow sensor also has an upstream pressure sensor coupled to the passage at a point upstream of the flow restriction and configured to measure...

Anesthetic breathing apparatus with target value control of anesthetic agent
12/04/14 - 20140352693 - An anesthetic breathing apparatus has a processing unit, a breathing circuit for providing an inspiratory patient gas mixture of re-breathed gas and/or fresh gas to a patient fluidly connected to the breathing circuit, and a fresh gas supply controllable by the processing unit for supplying a flow of the fresh...

Electrical heater with particular application to humidification and fluid warming
12/04/14 - 20140352694 - A humidifier includes a tub configured to contain a supply of water and a heater including a first polymer film having an electrically conductive circuit provided upon a surface. The first polymer film is electrically insulating and the tub is formed of molded resin and the heater is molded at...

Method and apparatus for humidification of breathable gas with profiled delivery
11/27/14 - 20140345614 - A method and apparatus for delivering breathable gas to a user includes a humidifying unit that is controllable to humidify the gas in accordance with a variable humidity profile such that the gas is delivered to the user at variable humidity levels, e.g., during a treatment session....

Drug dispensing and monitoring system for a ventilator
11/06/14 - 20140326238 - An automated drug delivery and monitoring system for use on mechanically ventilated patients in the intensive care unit is presented. Medication in the form of respirable particles is transported through ventilator circuitry by a delivery unit. Multiple medications may be delivered into the gas flow of the ventilator, with each...

Nasal cannula
10/30/14 - 20140318536 - A gas delivery conduit adapted for fluidly connecting to a respiratory gases delivery system in a high flow therapy system. In one embodiment, a nasal cannula includes a base portion defining a first therapeutic gas passageway, a nozzle disposed adjacent said base portion and defining a second therapeutic gas passageway,...

Nitric oxide delivery device
10/30/14 - 20140318537 - A nitric oxide delivery device including a valve assembly, 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...

Tube for a respirator system
10/23/14 - 20140311487 - A tube for a ventilation system (1) for newborns is provided with a first section (7) comprising a heating wire (14), an electrical conductor (15), and a first connector (9) and a second connector (10), and with a second section (8) comprising a heating wire (16) extending over at least...

Method and system for patient-synchronized ventilatory assist with endotracheal through-flow
10/16/14 - 20140305434 - A ventilatory assist system and method are disclosed. The system comprises a tube for connection to a patient's airway, inspiratory and expiratory tube lumens connected to the tube, an inspiratory air source connected to the inspiration tube lumen, and a controller of air pressure in the expiratory tube lumen. The...

Therapeutic gas delivery device with pulsed and continuous flow control
09/25/14 - 20140283828 - Described are methods and devices for therapeutic or medical gas delivery that utilize at least one proportional control valve and at least one binary control valve. The proportional control valve may be in series with the binary control valve to provide a valve combination capable of pulsing therapeutic gas at...

System for controlling delivery of respiratory gas
09/25/14 - 20140283829 - A respiratory gas delivery system (10) is disclosed. The respiratory gas delivery system (10) comprises a wearer interface (16) through which respiratory gas is supplied to a wearer's airway and a gas conditioning device (24) for conditioning the respiratory gas upstream of the interface (16) in a direction of gas...

Inhalation device, control method and computer program
09/18/14 - 20140261414 - The invention provides an inhalation device using an electrically driven vibratory element for releasing a drug dose into a flow channel, and a controller for activating/deactivating the vibratory element. A sensor arrangement is able to differentiate between inhalation flow and exhalation flow through the flow channel, to assist in forming...

Therapeutic gas delivery device with pulsed and continuous flow control
09/18/14 - 20140261415 - Described are methods and devices for therapeutic or medical gas delivery that utilize at least one proportional control valve and at least one binary control valve. The proportional control valve may be in series with the binary control valve to provide a valve combination capable of pulsing therapeutic gas at...

Thermal cooler & dehumidifier for exhalation path in ventilator system
09/18/14 - 20140261416 - A ventilator system (110) includes: an inhalation filter (120) configured to receive and filter a gas; a humidifier (130) connected to the inhalation filter and configured to adjust a humidity of the filtered gas; a dual-limb patient circuit connected to a patient and configured to supply ventilation to the patient,...

Inhalator system and method
09/11/14 - 20140251330 - A hand-held, portable inhalator device is disclosed. The device has a mouthpiece with a chamber operatively coupled to a medication inlet and a fluid outlet. A valve is disposed about the fluid outlet and is configured to open when subjected to a first threshold level of positive pressure permitting egress...

Medical vaporizer and method of monitoring of a medical vaporizer
08/28/14 - 20140238393 - The present application includes an independent and redundant measurement of anesthetic concentration, based on acoustic time-of-flight measurements, added to an anesthetic vaporizer. The redundant anesthetic concentration measurement is used to make the vaporizer inherently safe by design and monitor true vaporizer empty. Further, using an acoustic wave splitting technique and...

Temperature measuring device for a respiratory humidifier
08/28/14 - 20140238394 - A temperature-measuring device for a respiratory humidifier (1) with a liquid container (5) is provided, wherein the temperature-measuring device comprises a flow channel (9) for breathing gas and an infrared detector (21), which is directed from the outside toward the flow channel (9) for the contactless detection of the temperature...

Respiratory therapy device for home use
08/14/14 - 20140224247 - A respiratory therapy device in accordance with this disclosure includes a blower box and a patient circuit. The blower box is configured to provide aerosol and pressurized gas for delivery to a patient airway. The patient circuit is configured to deliver the aerosol and pressurized gas from the blower box...

Dispersion anaesthetic device
08/07/14 - 20140216456 - The invention concerns a cartridge for an inhalation device for delivering anaesthetic to a human or animal wherein anaesthetic in said cartridge is dispersed in an anaesthetic control release medium; an inhalation device for use with said cartridge and a formulation comprising at least one selected anaesthetic and anaesthetic control...

Control of humidifier chamber temperature for accurate humidity control
06/19/14 - 20140166005 - A breathing assistance system is provided for delivering a stream flow of heated, humidified gases to a user. The system includes a humidifier unit which holds and heats a volume of water, and which in use receives a flow of gases from a gases source via an inlet port. The...

Apparatus for supplying respiratory gas and a method for controlling the apparatus
06/19/14 - 20140166006 - An apparatus for supplying a respiratory gas includes a conveyor device for conveying the respiratory gas, a conduit for feeding the respiratory gas conveyed by the conveyor device to a person, and a humidification device for humidifying the respiratory gas. A sensor device is configured to generate a signal indicative...

Method and system for the delivery of carbon dioxide to a patient
06/12/14 - 20140158124 - A method and system for delivering a gas containing carbon dioxide to a patient are described. The method comprises measuring a physiological parameter of breathing stability in the patient; determining an optimal gas delivery parameter based on the physiological parameter of breathing stability; and delivering the gas to the patient...

Breathing assistance apparatus
06/12/14 - 20140158125 - The present invention provides a breathing assistance apparatus that has a convenient and effective method of cleaning internal conduits inside the apparatus. The breathing assistance apparatus is preferably a gases supply and humidification device. The cleaning method is a method of disinfection that is automated so minimal training is required...

Methods and apparatus for ionization therapy
05/29/14 - 20140144438 - Devices and systems provide methods of controlling breathable gas generation such as for a respiratory treatment and/or for controlling ionization of the gas. In an example, a controller of a respiratory treatment apparatus controls generation of a supply of ionized air. The apparatus may include a flow generator to generate...

Dosimetric therapeutic gas delivery system for rapid dose monitoring and control
05/29/14 - 20140144439 - 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...

Dosimetric therapeutic gas delivery method with feed back control for rapid dosimetry adjustment and optimization
05/29/14 - 20140144440 - 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...

Dosimetric therapeutic gas delivery method for rapid dosimetry adjustment and optimization
05/29/14 - 20140144441 - 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...

Gas regulator with integrated sensors
05/15/14 - 20140130799 - A gas regulator is described. The gas regulator includes a gas inlet having an attachment mechanism for attaching to a gas container, a gas outlet in fluid communication with the gas inlet and further in fluid communication with a gas delivery system, a pressure regulator, a pressure sensor and a...

Surgical humidifier control
05/01/14 - 20140116433 - Some embodiments provide for humidifier control systems and methods configured to adjust power to a heater plate in a surgical humidifier to account for changes in flow rate to provide a consistent output, to provide functionality for different modes of use, and to provide accurate control over temperature and/or humidity...

Inhalation anesthetic vaporizer
03/27/14 - 20140083420 - A vaporizer includes a thermally conductive anesthetic container and a temperature sensor positioned in the container and in the liquid anesthetic. A breathing-gas delivery tube has a delivery end positioned in the liquid anesthetic at least about 5 mm beneath the top surface of the liquid anesthetic. A heater is...

Methods and system for humidifier control using enthalpy-based calculation
03/06/14 - 20140060533 - A respiratory humidification system that controls the humidity of the outlet gases using an enthalpy based calculation is disclosed herein. The respiratory humidification system includes a controller that can receive data from one or more of an enthalpy sensor, a flow sensor and a temperature sensor. The controller can also...

Gas dispenser with diffusing nosepiece
02/27/14 - 20140053835 - Described here are hand-held, low flow devices for dispensing a therapeutic gas. The devices may be configured to include a gas control assembly for delivering a defined volume of gas at a controlled pressure and flow rate. A nosepiece may be included in the device that is formed of a...

Nitric oxide delivery device
02/27/14 - 20140053836 - A nitric oxide delivery device including a valve assembly, 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 delivery method and apparatus
02/27/14 - 20140053837 - An apparatus, method and system for delivering CO2 into an inspiratory gas stream to formulate a blended respiratory gas in a manner that continuously maintains a target CO2 concentration in a volume of the inspired respiratory gas, for example, over the course of a breath or a volumetrically definable part...

Gas delivery device and system
02/20/14 - 20140048063 - 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 delivery device and system
02/20/14 - 20140048064 - 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...

Medicant delivery system
02/13/14 - 20140041658 - An improved medicant delivery system 100 is disclosed wherein the carrier for the medicant is a fluid that can be atomized or vaporized by exposure to heat. The system provides for repeatable dose of medicant, can be stored in any orientation, and/or has an ability to maximize energy efficiency....

Apparatus and methods for providing humidity in respiratory therapy
01/09/14 - 20140007871 - The present inventions provide respiratory therapy apparatus that introduce water into the pressurized air delivered to a user during various positive airway pressure therapies and corresponding methods. The respiratory therapy apparatus may be configured to administer one or more positive airway pressure therapies, including: continuous positive airway pressure therapy (CPAP),...

Device and method for tempering and humidifying gas, especially respiratory air
01/09/14 - 20140007872 - A device and a process for the heating and humidification of gas, especially respiratory gas. Fluid from a fluid reservoir is supplied to a sprinkling type chamber where, for the purpose of humidification, it is moved through the gas. The point is that the fluid is heated by a temperature...

System and method of remotely monitoring and/or managing the treatment of a plurality of subjects with aerosolized medicament
01/02/14 - 20140000599 - Therapy regimes of a plurality of subjects are remotely monitored and/or managed, wherein the therapy regimes include reception of aerosolized medicament. This enables users such as medical care providers, researchers, clinic administrators, and/or other users to monitor and/or manage the therapy regimes of the plurality of subjects through a centralized...

Humidifier with liquid ingress protection
01/02/14 - 20140000600 - A pressure support device includes a humidification system (10) to control the humidity of a pressurized flow of breathable gas generated by the pressure support device. The humidification system includes a liquid storage chamber (32) and a humidification chamber (34). When in an operational orientation, liquid travels from the liquid...

Gas blender for blending at least two different gases, method for blending at least two different gases and medical device
12/26/13 - 20130340753 - The present invention pertains to a gas blender for blending at least two different gases, the gas blender comprising a first gas control valve (10) for supplying a first gas, a second gas control valve (20) for supplying a second gas, a pressure vessel (40) in fluid communication with the...

Method and arrangement for generating a gas stream comprising nitric oxide
12/12/13 - 20130327329 - The invention relates to the field of nitric oxide generation. The present invention particularly relates to a method for generating a stream of gas, the gas comprising oxygen and nitric oxide. According to the invention, an intermittent stream of oxygen comprising gas having at least one gap is provided, in...

Oscillating positive expiratory pressure device
11/28/13 - 20130312746 - An oscillating positive expiratory pressure apparatus having a housing defining a chamber, a chamber inlet, a chamber outlet, a deformable restrictor member positioned in an exhalation flow path between the chamber inlet and the chamber outlet, and an oscillation member disposed within the chamber. The deformable restrictor member and the...

System and method of administering a pharmaceutical gas to a patient
11/21/13 - 20130306068 - A method and system for delivering a pharmaceutical gas to a patient. The method and system provide a known desired quantity of the pharmaceutical gas to the patient independent of the respiratory pattern of the patient. The preferred pharmaceutical gases are CO and NO, both of which are provided as...

Low cost cpap flow generator and humidifier assembly
11/14/13 - 20130298908 - A method for controlling a humidifier of a CPAP device including a controller, the method including controlling a heating element in the humidifier with command signals from the controller, sensing a temperature of a fluid in the humidifier with a sensor in the humidifier that transmits signals to the controller,...

System and method of administering a pharmaceutical gas to a patient
11/14/13 - 20130298909 - A method and system for delivering a pharmaceutical gas to a patient. The method and system provide a known desired quantity of the pharmaceutical gas to the patient independent of the respiratory pattern of the patient. The preferred pharmaceutical gases are CO and NO, both of which are provided as...

Directional flow sensor inhaler
11/07/13 - 20130291864 - An fluid sensor to activate and control various components of an inhalation device. The fluid sensor includes an acoustic element, such as a microphone, positioned within said inhalation device to detect fluid within the device and output signals representative of the frequency, direction and/or amplitude of the fluid. These signals...