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Control means responsive to condition other than user's airway pressure

Subclass of:

128 - Surgery

128200240 - RESPIRATORY METHOD OR DEVICE

128203120 - Means for mixing treating agent with respiratory gas

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DocumentTitleDate
20130081619BREATHING ASSISTANCE APPARATUS - A humidifier and humidity sensor is disclosed for use with a breathing assistance apparatus. The humidity sensor preferably includes means to sense absolute humidity, relative humidity and/or temperature at both the patient end and humidifier end. The humidifier may also include provision to both control independently the humidity and temperature of the gases. Further, a chamber manifold is disclosed to facilitate easy connection of the humidifier to various outlets, inlets and sensors. A heated conduit is described which provides a more effective temperature profile along its length.04-04-2013
20130074840Nitrous Oxide Anesthetic Administration System - The present invention is a method and system for administering nitrous oxide. The system includes a fluid control system for controlling the flow of nitrous oxide and oxygen to the patient. A nitrous oxide and oxygen supply, vacuum source, a breather bag, and a nasal delivery interface system are fluidly connected to the fluid control system and a patient. The fluid control system also includes a safety scavenge system including a mass airflow sensor, master controller, nitrous oxide valve, and alarm. The mass airflow sensor reads the scavenging vacuum pressure which it communicates to the master controller. Depending upon the scavenging vacuum pressure, the master controller can activate an alarm or shut off the flow of nitrous oxide. In operation, the present invention provides a system for administering anesthesia/analgesia gas which prevents excessively high volumes of exhaled nitrous oxide in the operatory environment through monitoring of the scavenge vacuum pressure.03-28-2013
20130081618HUMIDIFYING GAS FOR RESPIRATORY THERAPY - A system for providing humidification to gas to be provided to a patient to support breathing including: a humidification component configured for adding water vapor to the gas; and a humidification component controller coupled with the humidification component and configured for receiving humidification target value information, the humidification component controller including: a humidification target value determiner configured for determining, based on received humidification target value information, a humidification target value of at least two possible humidification target values, the humidification target value identifying a humidification level setting corresponding to the patient.04-04-2013
20100163035Methods and systems for presenting an inhalation experience - Methods, computer program products, and systems are described that include accepting at least one indication of use of an inhalation device configured to dispense a bioactive agent to an individual and presenting at Least one artificial sensory experience to monitor at Least one side effect of the bioactive agent on the individual.07-01-2010
20090199854METHOD AND SYSTEM FOR ANESTHESIA DELIVERY - A method for delivering an anesthetic agent into a breathing air of a subject. The method for delivering an anesthetic agent into a breathing air of a subject includes feeding a target anesthetic agent concentration, measuring a concentration of the anesthetic agent component in the breathing air, comparing the measured concentration with the fed target anesthetic agent concentration, and choosing one of regulating or not regulating the delivery of the anesthetic agent into the breathing air based on the comparison to achieve the target anesthetic agent concentration. The method for delivering an anesthetic agent into a breathing air of a subject also includes delivering doses of the anesthetic agent into the breathing air, adsorbing the anesthetic agent and releasing the absorbed anesthetic agent into the breathing air. An anesthesia delivery system is also provided.08-13-2009
20100043791HUMIDIFIER WITH INTERNAL HEATING ELEMENT AND HEATER PLATE - A respiratory humidifier chamber for use with a breathing assistance apparatus is described. The chamber comprises a water-tight vessel having an inlet for receiving gases from the breathing assistance apparatus, and an outlet through which heated humidified gases exit the vessel for delivery to a patient. The chamber has a partition which divides the chamber into upstream and downstream sub-chambers. The sub-chambers are separated by the partition except for an aperture which passes through the partition and allows gaseous communication between the sub-chambers. The downstream sub-chamber includes a heater base which heats a volume of water contained within it The aperture is located above the volume of water. The upstream sub-chamber contains an internal heater which heats gases passing through it from the inlet to the aperture. At least part of the internal heater is located immediately adjacent the aperture.02-25-2010
20100043790NEBULISER VALVE - The nebuliser has a driving gas pathway through a nebulising section and the gas pathway includes a pneumatic control valve operable between an open configuration in which gas is able to flow from a supply inlet through the nebulising section to create an aerosol and to an airway with outlet for onward delivery and a closed configuration in which gas flow to the outlet is stopped. With the nebuliser drugs in an aerosol form can be delivered to a patient during the inhalation phase only and earlier in the inhalation cycle than can be achieved using conventional pneumatically activated nebulisers.02-25-2010
20090159079APPARATUS FOR SUPPLYING RESPIRATORY GAS AND A METHOD FOR CONTROLLING THE APPARATUS - 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 of the respiratory gas humidity and a control device is configured to control the humidification device with regard to the signal which is generated by the sensor device. A method of supplying a respiratory gas to a patient, in which the respiratory gas is introduced by means of a conveyor device into the conduit leading to the patient and is humidified, includes operating the conveyor device so that a respiratory gas pressure which is above ambient pressure is provided in the conduit, and adjusting the humidity on the basis of signals indicative of the relative and/or absolute humidity of the respiratory gas generated by the sensor device.06-25-2009
20100024814INHALER - An inhaler includes a medicine cartridge having at least an ejection head and a first electrical connection section for supplying the ejection head with electric power necessary for ejecting medicine, an inhaler body having a medicine cartridge mounting section and an inhalation piece. The inhaler is so constructed that an electric circuit for supplying the ejection head with electric power necessary for ejecting medicine by way of the first electrical connection section is made operable by mounting and rigidly securing the inhalation piece onto the inhaler body. The inhaler can be operated by a user with ease and the ejection head is reliably electrically energized only when the inhaler is operated.02-04-2010
20090044804Method and devices for administration of therapeutic gases - Methods for administering medical gases are disclosed including providing the medical gas in compressed gas cartridges containing an amount of the medical gas preferably corresponding substantially to a unit dose of the medical gas and providing a patient with means to access the medical gas from the gas cartridge upon need therefor. Apparatus for administering medical gases is also disclosed including a housing, a cassette associated with the housing containing at least one compressed gas cartridge preferably containing at least an amount of the medical gas substantially as required for a single dose and a patient supply interface to provide the medical gas to the patient.02-19-2009
20090044803Anaesthesia machine simulator - An anaesthesia simulator includes a sealed container, a gas input device that introduces gases into the sealed container whereto it is connected, a gas output and return device wherefrom gases exit the sealed container whereto it is connected, and a pressure generator connected to the sealed container which exerts pressure inside the sealed container.02-19-2009
20130087144CANNABIS DRUG DELIVERY AND MONITORING SYSTEM - This invention relates to a new technology that enables administration of 04-11-2013
20130087145METHOD AND DEVICE FOR SUPPLYING AT LEAST ONE MEDICAL GAS TO A PATIENT RECEIVING ARTIFICIAL RESPIRATION WITH THE AID OF A VENTILATOR - A device and method for administering at least one medical gas (NO) to a patient mechanically ventilated by means of a ventilator. The ventilator produces a constant respiratory gas flow (O04-11-2013
20090095292INGESTA ADMINISTRATION DEVICE - Provided is an ingesta administration device (04-16-2009
20110192398OBSTETRIC ANALGESIA SYSTEM - The present invention relates to systems and methods for providing a short-acting analgesic agent in the management of pain during labor, wherein the system enables efficient, real-time prediction of contractions for the coordinated administration of analgesia such that the peak effectiveness of the analgesic coincides with the intermittent pain of labor.08-11-2011
20110011399Analyte Monitoring Device and Methods of Use - An analyte monitor includes a sensor, a sensor control unit, and a display unit. The sensor has, for example, a substrate, a recessed channel formed in the substrate, and conductive material disposed in the recessed channel to form a working electrode. The sensor control unit typically has a housing adapted for placement on skin and is adapted to receive a portion of an electrochemical sensor. The sensor control unit also includes two or more conductive contacts disposed on the housing and configured for coupling to two or more contact pads on the sensor. A transmitter is disposed in the housing and coupled to the plurality of conductive contacts for transmitting data obtained using the sensor. The display unit has a receiver for receiving data transmitted by the transmitter of the sensor control unit and a display coupled to the receiver for displaying an indication of a level of an analyte. The analyte monitor may also be part of a drug delivery system to alter the level of the analyte based on the data obtained using the sensor.01-20-2011
20090250054ANAESTHESIA APPARATUS AND METHOD FOR OPERATING AN ANAESTHESIA APPARATUS - An anaesthesia apparatus has a control unit that controls a gas flow of a flushing gas through at least part of the anaesthesia apparatus so as to flush anaesthetic agent from the apparatus when the apparatus is not connected to a patient. In this way the remaining anaesthetic agent can be removed from the anaesthesia apparatus after use before connecting another patient. Pre-use check of the apparatus can be performed automatically.10-08-2009
20120266879System And Method Of Administering A Pharmaceutical Gas To A Patient - Described are methods and systems for delivering pharmaceutical gas to a patient. The methods and systems utilize a high flow valve and a low flow valve in parallel flow paths. The pharmaceutical gas may be provided as a pulse during the first half of the patient's inspiratory cycle.10-25-2012
20110056491Electronic Anesthesia Delivery Apparatus - An electronic anesthesia delivery apparatus for mixing a carrier gas and first and second anesthetic agents comprises a chassis having an electronic vaporizer, the vaporizer having a first anesthetic chamber and a second anesthetic chamber retaining the first anesthetic agent and the second anesthetic agent, a carrier gas input port in flow communication with the first anesthetic chamber and the second anesthetic chamber, a precision orifice and an electronic control valve corresponding to each of the chambers being downstream of the gas input port, each of the chambers having a conduit in flow communication with the carrier gas input port, each of the conduits extending into each of the chambers below an upper level of anesthetic agent, wherein the carrier gas passes through a porous diffuser near an end of the conduit and bubbles through the anesthetic agent, the chamber further comprising an anesthetic gas outlet port, an electronic touchscreen display for controlling carrier gas flow rate to the first anesthetic chamber and the second anesthetic chamber, the electronic touchscreen display further allowing control of concentrations of the anesthetic agent in an anesthesia to a patient by intermittently opening and closing of the electronic control valve, a circuit board having an input/output portion, the circuit board in electronic communication with the electronic touchscreen display, the input/output portion receiving temperature of the anesthetic agent, the electronic anesthesia delivery apparatus allowing use of a first anesthetic agent while a second anesthetic agent is one of either replaced or substituted in the second chamber.03-10-2011
20110259327METHODS AND DEVICES FOR SENSING RESPIRATION AND CONTROLLING VENTILATOR FUNCTIONS - Improved methods and devices are described for sensing the respiration pattern of a patient and controlling ventilator functions, particularly for use in an open ventilation system. An apparatus for sensing respiration and synchronizing a ventilator to the respiration of a patient is described. The apparatus may include a plurality of thermal breath sensors. At least one of the plurality of thermal breath sensors may be a heated thermal breath sensor.10-27-2011
20120285450DEVICE AND METHOD FOR USE WITH AN ANESTHESIA MACHINE FOR AUTOMATICALLY IDENTIFYING PATIENT INFORMATION - A device for use with an anesthesia machine for automatically identifying patient information, the device comprising an identification card configured to store patient information and to be associated with a patient, a transmitting module configured to transmit the patient information to the identification card, and an identifying module in communicative connection with a control unit of the anesthesia machine, the identifying module being configured to identify the identification card and to provide the patient information stored in the identification card to the anesthesia machine.11-15-2012
20090320836Method For Regulating Treatment Based On A Medical Device Under Closed-Loop Physiologic Control - Embodiments of the present disclosure are directed to a system and method for automated medical treatment. Specifically, the disclosure is directed to a first controller capable of monitoring a physiological parameter of a patient and supplying the patient with a delivery parameter based at least in part on the physiological parameter to control the physiological parameter. Further, present embodiments include a second controller capable of determining a therapeutic procedure to be performed on the patient based at least in part on analysis of the delivery parameter, and automatically initiating an alert indicative of the therapeutic procedure and/or automatically performing the therapeutic procedure.12-31-2009
20100212666System for Controlling Administration of Anaesthesia - A system for controlling administration of a respiratory depressant drug or mixture of drugs to a spontaneously breathing patient comprises a drug delivery unit (08-26-2010
20090205655SYSTEM AND METHOD OF ADMINISTERING A PHARMACEUTICAL GAS TO A PATIENT - 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 a concentration in a carrier gas. The gas control system determines the delivery of the pharmaceutical gas to the patient to result in the known desired quantity (e.g. in molecules, milligrams or other quantified units) of the pharmaceutical gas being delivered. Upon completion of that known desired quantity of pharmaceutical gas over a plurality of breaths, the system can either terminate any further delivery of the pharmaceutical gas or can activate an alarm to alert the user that the known quantity has been delivered. The system also has alarm functions to alert the user of possible malfunctions of the system.08-20-2009
20110290250APPARATUS AND METHOD OF MONITORING AND RESPONDING TO RESPIRATORY DEPRESSION - The present disclosure involves a system for monitoring patients, and more specifically post-operative patients receiving narcotics, and a novel apparatus for automatically delivering a narcotic-reversing agent, including but not limited to the agent commonly known as naloxone, in response to dangerous respiratory conditions such as respiratory depression or other undesired consequences caused by reaction to narcotic dosage.12-01-2011
20110297149Veterinary anesthesia monitoring system - A veterinary anesthesia monitor system useful in establishing, maintaining, and reporting upon the anesthesia gas mixture delivered to or exhaled by a patient.12-08-2011
20110297150METHOD AND APPARATUS FOR HUMIDIFICATION OF BREATHABLE GAS WITH PROFILED DELIVERY - 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.12-08-2011
20100101571ANESTHESIA SYSTEM AND METHOD - An anesthesia system is disclosed herein. The anesthesia system includes a sensor configured to measure an anesthetic agent concentration, and a processor connected to the sensor. The processor is configured to generate an exponential agent model based on the measured anesthetic agent concentration. The exponential agent model represents a plurality of future anesthetic agent concentrations.04-29-2010
20100078020Method, device, and system to control PH in pulmonary tissue of a subject - Methods, devices, and systems are provided which include an aerosol generator and a pharmaceutical composition including a membrane selective for a charged ion configured to achieve a selected pH of a pulmonary tissue in a subject. The methods, devices, or systems which include the membrane may be configured to alter selectivity for the charged ion in response to a sensed condition in the pulmonary tissue.04-01-2010
20100089394INHALER AND DRIVING METHOD FOR SAME - The present invention provides an inhaler capable of measuring lung function, feeding back the measurements, and administering medicine suitable for a lung condition in a single use. The inhaler 04-15-2010
20090120435 METHOD AND APPARATUS TO ATTAIN AND MAINTAIN TARGET END TIDAL GAS CONCENTRATIONS - In a first aspect, the invention relates to an apparatus for inducing or maintaining a target end tidal concentration of a gas in a subject comprising a breathing circuit, a source of gas flow into the circuit, means for controlling the rate of the source of gas flow into the circuit and means for controlling the concentration of gases in the source gas flow independently from each other. In another aspect, the invention relates to a method of preparing an apparatus for inducing or maintaining a target end tidal concentration of a gas X in a subject comprising selecting a rate of a source gas flow into a breathing circuit, selecting the concentration of at least one constituent gas of a component gas making up the source gas to a level corresponding to the end tidal concentration of the gas X, whereby the apparatus is adapted to administer a source gas having a first gas composition05-14-2009
20090090359Respiratory Anaesthesia Apparatus with Device for Measuring the Xenon Concentration - Apparatus for respiratory anaesthesia of a patient by administration of a gas containing gaseous xenon, with a main gas circuit which is open or closed and has an inhalation branch and an exhalation branch, means for supply of gaseous xenon to the inhalation branch of the main circuit, and means for determining the xenon concentration. The means for determining the xenon concentration comprise at least one hot-wire sensor having at least one electrically conducting wire in direct contact with the gaseous flow containing the xenon, calculating means that cooperate with the hot-wire sensor(s) in order to determine the xenon concentration (Xe %) in the flow, means for generating an electrical current in order to generate a current in at least one hot wire, and means for voltage measurement that can measure at least one voltage value at the terminal of at least one hot wire or at least one resistance arranged in series with at least one hot wire. The calculating means cooperate with the voltage measurement means in such a way as to determine the xenon concentration (Xe %).04-09-2009
20130098361Method and Device for Supplying at Least One Medical Gas to a Patient Receiving Artificial Respiration with the Aid of a Ventilator - A device and method for administering at least one medical gas (NO) to a patient mechanically ventilated by means of a ventilator. The ventilator produces a respiratory gas flow (O04-25-2013
20110168177Anesthesia Simulator and Controller for Closed-Loop Anesthesia - Methods, systems, and software are disclosed for simulating and controlling anesthesia delivery and for implementing automatic closed-loop anesthesia with an inhaled anesthetic agent. The methods involve using a physiological simulation to forward calculate the effects of an inhaled anesthetic agent, and searching for gas administration characteristics, such as fresh gas flow rates and anesthetic concentrations or partial pressures, that will achieve a desired physiological anesthetic concentration or effect with minimal use of anesthetic agent and minimal fresh gas flow rate.07-14-2011
20090288659APPARATUS, SYSTEM AND METHOD FOR ADMINISTERING AN ANESTHETIC AGENT FOR A SUBJECT BREATHING - An apparatus for administering an anesthetic agent for a subject breathing. The apparatus includes a liquid reservoir for an anesthetic agent and an anesthetic agent dosing unit in fluid connection with the liquid reservoir and which anesthetic agent dosing unit is connectable to an airway tube for delivering breathing gases to a subject, said dosing unit including a first member to produce anesthetic agent droplets having a diameter less than 100 μm.11-26-2009
20120167880HUMIFIDIER WITH WIRELESS TEMPERATURE SENSING - A respiration humidifier having a base unit and a chamber constructed to hold liquid. A sensor is connected to the chamber and configured to sense a condition within the chamber. A radiation signal transmitter is carried by the chamber and associated with the sensor. The transmitter wirelessly sends a radiation signal indicative of the sensed condition. The humidifier includes a radiation signal receiver carried by the base unit for receiving the signal. The humidifier includes a control unit that controls the condition based on the radiation signal received by the radiation signal receiver. Another aspect provides a breathing system using the humidifier. The breathing system includes a gas flow generator that generates a flow of gas to a user circuit coupled to the gas flow generator and adapted to communicate the flow of gas to a user.07-05-2012
20090165787DOSING SAFETY ARRANGEMENT IN A DELIVERY APPARATUS FOR PRESSURIZED MEDICAL LIQUIDS - A delivery apparatus for pressurized medical liquids has a primary reservoir that pressurizes a medical liquid therein to a driving pressure, a second reservoir having an inlet connected to receive pressurized liquid from the primary reservoir via a controllable intermediate valve, and an outlet for discharge of the received medical liquid via a controllable dosing valve. A pressure measuring unit measures the pressure in the secondary reservoir and a control unit controls the intermediate valve and the dosing valve by monitoring the operation of the intermediate valve and the dosing valve dependent on the measured pressure value from the pressure measuring unit. The control unit generates a status signal dependent on predetermined rules for measured pressure changes compared with calculated pressure changes.07-02-2009
20100275916MEDICINE EJECTION APPARATUS AND CONTROL METHOD THEREOF - A medicine ejection apparatus which ejects a medicine for medicating a user comprises; a medicine ejecting unit which has an element that generates energy for ejecting the medicine, a drive control unit which controls a drive start and a drive stop of the element, and an ejection amount determining unit which determines a total amount of a medicine that is ejected from the medicine ejecting unit after the element performs a drive stop, the drive control unit enabling the element to perform driving so as to eject an amount of medicine calculated from difference between the set ejection amount and the total amount of medicine when the total amount of medicine determined by the ejection amount determining unit does not reach the set ejection amount.11-04-2010
20080308101DRUG DELIVERY AND MONITORING SYSTEM FOR A VENTILATOR - 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 medication delivered in a defined dose for a frequency and interval as specified by an operator. The particles mixed into the gas flow of the ventilator are inhaled and ingested by the patent's lungs.12-18-2008
20080308100System and method for determining humidity in a respiratory treatment system - A patient treatment system and method comprising a patient circuit, a pressurizing flow module disposed in the patient circuit, a humidifier disposed in the patient circuit, a monitor, sensors within the patient circuit, and a processor. The patient circuit delivers a flow of gas from a gas source to an airway of a patient. The pressurizing flow module elevates the pressure of the gas within the patient circuit. The humidifier elevates the humidity of the gas in the patient circuit to a circuit humidity level. The monitor monitors at least one parameter of the gas from the gas source. The sensors generate corresponding signals that can be processed to estimate a rate at which vapor is added to the gas in the patient circuit. The processor determines the humidity level of the gas in the patient circuit downstream from the humidifier based on the signals generated by the sensors and the at least one parameter of the gas in the gas source.12-18-2008
20110005522DEVICE FOR PROVIDING A BREATHING GAS - The invention relates to a device for providing a breathing gas, in particular to a device for conditioning a breathing gas for stimulating weight reduction of a breathing creature. The invention provides a device for providing a breathing gas, comprising gas supply means and gas conditioning means. The device provides a breathing creature with a breathing gas which is conditioned by adding particles comprising a frozen fluid to the breathing gas. When the breathing creature inhales the breathing gas, his body comes into contact with the gas and the particles comprising the frozen fluid. The breathing gas and the particles will be warmed by the body of the creature, preferably to a temperature at which the frozen fluid starts to melt. The warming of the particles and the breathing gas by the body of the breathing creature requires energy, and therefore stimulates the metabolism of a breathing creature, promoting fat burning and inducing weight reduction.01-13-2011
20090025718Apparatus and Method for Maintaining Consistency for Aerosol Drug Delivery Treatments - An aerosol drug delivery apparatus is provided. The apparatus may include a reservoir constructed to contain a predetermined dose of a liquid drug, an aerosol generator in communication with the reservoir, and a power source arranged to deliver power to the aerosol generator in order to produce an aerosolized form of the dose that can be administered to a patient. The apparatus may maintain consistent aerosol drug delivery treatments, for example, by way of a breath measuring mechanism that monitors the patient's breathing pattern during the administration of the dose and a controller configured to vary the power level at which the power source during the administration of the dose based on the monitored breathing pattern.01-29-2009
20110220105APPARATUS FOR SUPPLYING RESPIRATORY GAS AND A METHOD FOR CONTROLLING THE APPARATUS - 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 of the respiratory gas humidity and a control device is configured to control the humidification device with regard to the signal which is generated by the sensor device. A method of supplying a respiratory gas to a patient, in which the respiratory gas is introduced by means of a conveyor device into the conduit leading to the patient and is humidified, includes operating the conveyor device so that a respiratory gas pressure which is above ambient pressure is provided in the conduit, and adjusting the humidity on the basis of signals indicative of the relative and/or absolute humidity of the respiratory gas generated by the sensor device.09-15-2011
20090050148INHALATION ANAESTHESIA DELIVERY SYSTEM AND METHOD - An inhalation anaesthesia delivery system and method, whereby the system comprises a fresh gas feeding arrangement connected to a breathing circuit, a monitor device, a control device and an interface unit. The fresh gas feeding arrangement and the ventilator are configured to deliver a desired concentration of gas to the breathing circuit, the desired concentration being set by using the interface unit. The monitor device is configured to monitor gas concentrations in the breathing circuit by analysing gases flowing in the breathing circuit, and the control device is configured to control the fresh gas feeding arrangement on the basis of the data received from the monitor device to keep the desired breathing gas concentration. The monitor device is configured to monitor expired inorganic gas concentration by comparing the measured expired breathing gas concentration with the set target value and changing the fresh gas delivery accordingly to meet the target value.02-26-2009
20090250055DEVICE FOR RESPIRATING PATIENTS - A device is provided for increasing humidity for respirating patients, especially for a respiration humidifier or an anesthesia reflector. The device includes a gas channel for passing through breathing air, a control and/or regulating device, a temperature sensor and a dew sensor for measuring the humidity present in the breathing air by electromagnetic radiation with a generating device and with a detection device for electromagnetic radiation. The humidity of the breathing air is determined at a low cost and in a reliable manner and condensation is avoided in the respiration system without any additional effort for sterilization. Humidity in the breathing air is determined by the a dew sensor by the change in the reflection of the electromagnetic radiation as a function of dew formation at a condensation-fogged and condensation-free boundary surface between breathing air and a medium having an optical density higher than that of breathing air.10-08-2009
20090241947APPARATUS FOR CONTROLLED AND AUTOMATIC MEDICAL GAS DISPENSING - Apparatus for supplying in a controlled and automatic way boli of nitric oxide (NO) to patients ‘(10-01-2009
20090241948HUMIDIFICATION IN BREATHING CIRCUITS - A method for humidifying gas in a ventilator circuit 10-01-2009
20100263666TEST SUBSTANCE ADMINISTRATION SYSTEM FOR ANIMAL EXPERIMENT10-21-2010
20100163036Methods and systems for presenting an inhalation experience - Methods, computer program products, and systems are described that include measuring at least one effect of an inhalation device-dispensed bioactive agent and artificial sensory experience on an individual and modifying at least one of the inhalation device-dispensed bioactive agent or the artificial sensory experience at least partially based on the at least one effect.07-01-2010
20100163038Methods and systems for presenting an inhalation experience - Methods, computer program products, and systems are described that include accepting an indication of a schedule for administration of an inhalation device-dispensed bioactive agent to an individual and presenting an indication of an artificial sensory experience at least partly based on the accepting an indication of the schedule for administration of the inhalation device-dispensed bioactive agent to the individual.07-01-2010
20100163040Method for administering an inhalable compound - A method may include dispensing a dose of an inhalable compound according to a dosing instruction set; and maintaining a hands-free article for dispensing the inhalable compound in an operable dispensing position.07-01-2010
20100163039Method for administering an inhalable compound - A method may include dispensing a dose of an inhalable compound according to a dosing instruction set; and maintaining a hands-free article for dispensing the inhalable compound in an operable dispensing position.07-01-2010
20100163034Methods and systems for presenting an inhalation experience - Methods, computer program products, and systems are described that include detecting in an exhalant at least one indication of bioactive agent use by an individual and altering at least one artificial sensory experience at least partly based on the at least one indication of bioactive agent use by an individual.07-01-2010
20100163037Methods and systems for presenting an inhalation experience - Methods, computer program products, and systems are described that include measuring at least one effect of an inhalation device-dispensed bioactive agent and artificial sensory experience on an individual and modifying at least one of the inhalation device-dispensed bioactive agent or the artificial sensory experience at least partially based on the at least one effect.07-01-2010
20090314290DRUG DELIVERY IN ASSOCIATION WITH MEDICAL OR SURGICAL PROCEDURES - Disclosed is drug delivery for facilitating medical and/or procedures that are performed without “general anesthesia,” which is also described in the specification as the state of patient “unconsciousness” resulting from a drug administered by an anesthetist or anesthesiologist. Mixtures of sedative and analgesic drugs are adapted for safe and effective administration by devices to provide and maintain drug infusions that do not push the patient into unconsciousness and/or general anesthesia. Drug delivery devices are also disclosed that include the use of stored parameters and/or values that correlate to drug mixture delivery during a procedure, and a patient health monitor to measure and send signals regarding a patient health condition to a processor.12-24-2009
20100258117Anaesthesia Breathing System - The invention relates to a device for recycling xenon in an anaesthesia breathing system comprising a retaining filter adapted to adsorb and desorb xenon and a first conduit connected to the retaining filter for passing a first breathing gas mixture coming from a patient and containing xenon in a first flow direction through the retaining filter, wherein at least part of the xenon remains in the retaining filter. Furthermore, the device comprises a second conduit connected to the retaining filter for passing a second breathing gas mixture in a second flow direction through the retaining filter, wherein at least part of the xenon left in the retaining filter is taken up and carried along by the second breathing gas mixture, and a supply conduit connected to the first conduit for conveying a xenon-containing anaesthetic agent into the first conduit. The invention further relates to an anaesthesia breathing system comprising the aforementioned device as well as a method for recycling xenon in an anaesthesia breathing system.10-14-2010
20100175695AUXILIARY GAS MIXING IN AN ANESTHESIA SYSTEM - An anesthesia system includes a main output and an auxiliary output. The main output and the auxiliary output are configured to operate independently of each other. The main output may provide a first mixture of gases and an anesthetic agent to a patient. The auxiliary output may provide a second mixture of gases to the patient. A user may selectively mix oxygen and at least one other gas such that the second mixture of gases is provided to the auxiliary output at a desired flow rate and such that the second mixture of gases includes a desired oxygen percentage level. The second mixture of gases provided through the auxiliary output is prevented from flowing back into the anesthesia system to reduce or prevent contamination of the gases provided through the main output.07-15-2010
20100192947ANESTHETIC DELIVERY SYSTEM AND METHODS OF USE - This invention relates to systems and methods of delivering anesthetic to a subject. Specifically, the invention relates to systems and methods of delivering an anesthetic to a subject while being able to regulate and recover the ensethetic gas from the air upon expiration.08-05-2010
20100163033Methods and systems for presenting an inhalation experience - Methods, computer program products, and systems are described that include accepting an indication of at least one health-related condition and presenting an indication of at least one artificial sensory experience and an indication of at least one inhalation therapy at least partially based on the accepting at least one indication of a health-related condition.07-01-2010
20100224188System and Method for Guidance of Anesthesia, Analgesia and Amnesia - A system and method includes administering interventional agents to Patient until Patient attains a predetermined plane of anesthesia; amplifying and digitizing brain waves of Patient before and after administering step to generate first set of digital data; amplifying and digitizing brain waves of Patient during a medical procedure to generate second set of digital data; computing separate trajectories for at least two different indices of an anesthetic state of Patient during the medical procedure using a comparison of first and second sets (the indices including Depth Index (DI)—a depth of anesthesia, Memory Index (MI)—an ability to form and store memories, and Pain Index (PI)—sensitivity to pain); and determining an amount of at least one of the interventional agents to be delivered to Patient as a function of the trajectories, the interventional agents include anesthetic, analgesic and/or amnesic agents corresponding to DI, MI and/or PI trajectories.09-09-2010
20100000527INHALER - A user inhales medicine ejected from the medicine ejecting section of an inhaler into the air flow duct of an air flow duct forming member through a hole. As the air flow duct forming member is taken off from the inhaler body, the medicine ejecting section is covered by a cap for protection. As the air flow duct forming member is fitted to the inhaler body, the cap is opened and a sensor recognizes the open state of the cap so that the air flow duct forming member is prohibited from being fitted to and taken off from the inhaler body by a claw that is secured to the air flow duct forming member. In this way, the medicine ejecting section is prevented from being damaged when the air flow duct is fitted to and taken away from the inhaler.01-07-2010
20090071475Method and devices for administration of therapeutic gases - Methods for administering medical gases are disclosed including providing the medical gas in compressed gas cartridges containing an amount of the medical gas preferably corresponding substantially to a unit dose of the medical gas and providing a patient with means to access the medical gas from the gas cartridge upon need therefor. Apparatus for administering medical gases is also disclosed including a housing, a cassette associated with the housing containing at least one compressed gas cartridge preferably containing at least an amount of the medical gas substantially as required for a single dose and a patient supply interface to provide the medical gas to the patient.03-19-2009
20100300438METHOD AND SEDATION DELIVERY SYSTEM INCLUDING A PUMP ASSEMBLY AND A CO-FORMULATION OF FIRST AND SECOND DRUGS - A drug delivery system includes drug containers, a pump assembly, a sensor, and a controller. The drug containers each contain a different predetermined drug co-formulation of predetermined first and second drugs, wherein the first drug has a sedative effect. The sensor is adapted to sense a variable associated with the drug containers and output a different drug co-formulation identification signal associated with each of the drug containers based on the sensed variable. The controller is programmed to identify the drug co-formulation for the drug container operatively connected to the pump assembly from the associated identification signal and to control the pump assembly to deliver the drug co-formulation of the one drug container to the patient during a medical procedure according to a corresponding drug delivery algorithm which is different for each of the drug containers. A method is also disclosed which uses the drug delivery system.12-02-2010
20110000488REGULATION OF DELIVERY OF MULTIPLE ANESTHETIC AGENTS TO A PATIENT FROM AN ANESTHETIC BREATHING APPARATUS - In a method and system of regulating multiple anesthetic agents in a breathing circuit of an anesthetic breathing apparatus is disclosed, a primary anesthetic agent added to the breathing circuit is regulated to a set desired value of the amount of the primary anesthetic agent, and a secondary anesthetic agent in the breathing circuit is regulated to an amount of said secondary anesthetic agent that it is equal to or less than a defined threshold level, e.g. of the concentration, of the secondary anesthetic agent.01-06-2011
20110017211ANESTHETIC BREATHING APPARATUS HAVING IMPROVED MONITORING OF ANESTHETIC AGENT - In an embodiment an anesthetic breathing apparatus is disclosed comprising a first gas analyzer (01-27-2011
20110240021RESPIRATOR OR ANESTHESIA SYSTEM - A respirator or anesthesia system for respirating a patient (10-06-2011
20120132202Method and Apparatus For Maintaining and Monitoring Sleep Quality During Drug Delivery - The present invention monitors and interprets physiological signals and spontaneous breathing events to detect the onset of arousal. Once the onset of arousal is determined, the present invention determines adjustments that are needed in the operation of a therapeutic device to avoid or minimize arousals. In one embodiment, the present invention includes one or more sensors which detect a patient's physiological parameters, a controller which monitors and determines the onset of arousal based on the physiological variables received from the sensor, and a therapeutic treatment device which is controlled by the controller. The sensor can be a combination of one or more devices which are able to monitor a physiological parameter that is used by the present invention to determine the onset of arousal or the onset of a sleep disorder. The sensors can be integrated into one unit or may operate independent of the others.05-31-2012
20110155131Medical Vaporizer and Method of Control of a Medical Vaporizer - An anesthetic vaporizer and a method of control thereof includes measuring a composition of the carrier gas with a first sensor and measuring a composition of a combined gas with a second sensor, and using these values with a controller to operate a flow valve for the regulation of the flow of an anesthetic agent into the combined gas.06-30-2011
20110041848OXYGEN CONTROL IN BREATHING APPARATUS - The invention is directed to an oxygen sensor arrangement 02-24-2011
20110041847 PATIENT VENTILATION SYSTEM WITH A GAS IDENTIFICATION UNIT (As Amended) - A patient ventilation system has a flow regulating and gas mixing assembly for providing oxygen to a first gas inlet and at least a second gas to a second gas inlet. The first and second gas inlets are connected to an inspiratory channel for conveying a delivered gas mixture including the oxygen and the at least second gas to a proximal tubing. The proximal tubing in turn is connected to an expiratory channel and connectable to a patient. The patient ventilation system further has a gas identification unit with which the at least second gas can be identified. The gas identification unit is arranged to measure actively a first value which is dependent on the characteristics of the at least second gas and attempt to identify the at least second gas based on said first value. The flow regulating and gas mixing assembly changes, at least temporarily, the concentration of the at least second gas in the delivered gas mixture if the gas identification attempt fails. The gas identification unit is further arranged to, subsequent to such a change in concentration, actively measure a second value which is dependent on the characteristics, and identify the at least second gas based on the second value alone or in combination with the first value.02-24-2011
20110162645System and Method for Guidance of Anesthesia, Analgesia and Amnesia - Described is a method and system which includes a first set of digital data generated by amplifying and digitizing brain waves of a patient before and after administration of initial doses of interventional agents to the patient and a second set of digital data generated by amplifying and digitizing brain waves of the patient during a medical procedure. In addition, the system includes a microprocessor computing separate trajectories for at least two different indices of an anesthetic state of the patient during the medical procedure as a function of a comparison of the first and second sets of digital data, the indices including a Depth Index (DI), a Memory Index (MI) and Pain Index (PI), the DI corresponding to a depth of anesthesia of the patient, the PI corresponding to a sensitivity of the patient to pain and the MI corresponding to an ability of the patient to form and store memories. The system also includes a display outputting the trajectories for the at least two different indices of anesthetic state of the patient to a user for consideration in formulating subsequent dosages of the interventional agents to be administered to the patient.07-07-2011
20110162647POWER MANAGEMENT IN RESPIRATORY TREATMENT APPARATUS - A respiratory treatment apparatus provides respiratory treatment with improved power management control to permit more efficient power consumption and power supply units, such as battery powered operation. In one embodiment, power management prioritizes the flow generator (07-07-2011
20110162646PROCESS FOR TRANSIENT AND STEADY STATE DELIVERY OF BIOLOGICAL AGENTS TO THE LUNG VIA BREATHABLE LIQUIDS - The present invention includes a transient method of delivering a biological agent in a breathable liquid to a lung of a patient. The present invention includes a steady state method of delivering a biological agent in a breathable liquid to a lung of a patient. The steps of both the transient delivery method and the steady state delivery method can be controlled by a servo-control unit. A supplementary biological agent delivery step can be performed in both the transient method of delivering a biological agent and the steady state method of delivering a biological agent.07-07-2011
20100180892Volume Flow Controller - A volume flow controller (07-22-2010
20100154793MEDICINE EJECTION DEVICE - This medicine ejection device is directed at uniformizing an amount of a medicine inhaled by a user through a mouthpiece: and ejects a predetermined constant amount of the medicine by measuring a remaining amount of the medicine in a reservoir 06-24-2010
20090293872ANESTHETIC BREATHING APPARATUS AND INTERNAL CONTROL METHOD FOR SAID APPARATUS - An anesthetic breathing apparatus has a breathing circuit having an inspiratory gas output port and an expiratory gas input port, and a control unit that sets the anesthetic breathing apparatus selectively in a first mode of operation to provide inspiratory gas, fresh gas and/or breathing gas recirculated in said breathing circuit, via said inspiratory gas output port, enable recirculation into said breathing circuit and/or evacuation via the expiratory input port for manual or mechanical ventilation by said anesthetic breathing apparatus. The control unit is also able to set the anesthetic breathing apparatus selectively in a second mode of operation to provide a flow of fresh gas via a fresh gas output port to an external breathing system connected thereto, disable recirculation and/or evacuation via the expiratory input port. An exhaust of the breathing circuit is connected to a gas input port of the anesthetic breathing apparatus for gas scavenging via said anesthetic breathing apparatus.12-03-2009
20110186046Vaporizer Filler Lock and Method of Filling a Vaporizer - A vaporizer filling system includes a filler assembly, a sump, and a valve. The valve controls fluid communication into the sump. A retaining device retains the valve in an open position. A delay is connected to the retaining device. The delay controls the operation of the retaining device in order to retain the valve in the open position until the delay detects a release condition. The delay then controls the retaining device to release the valve. A method of filling a vaporizer includes engaging a bottle of liquid anesthetic agent with a filler assembly. The bottle and the filler assembly are moved from a first position to a second position. The bottle and filling assembly are locked in the second position with a retaining device. Then the retaining device is released and the bottle and filler assembly are returned to the first position.08-04-2011
20090145432MEDICAMENT DELIVERY ASSEMBLY - The present invention relates to a medicament delivery assembly that has a mouthpiece provided with an air amplifier and a primer source, where the mouthpiece and the air amplifier are each connected to the primer source via an actuatable valve. The air amplifier is also provided with a medicament extraction tube such that when the actuatable valve is opened, the primer source is activated and causes air to flow to the air amplifier. There is also described a method of administering a medicament using such a medicament delivery assembly.06-11-2009
20120031402 DEVICE, AN AGGREGATE AND A METHOD FOR PROVIDING A GASIFIED ANESTHETIC AGENT - A respiratory anesthetic aggregate devised for coupling to a breathing apparatus has an anesthetic gasifier unit that has a breathing gas input port connected to a first point in an inspiratory patient gas delivery path of a breathing apparatus, and a fresh gas output port connected to a second point in the patient gas delivery path downstream the first point. The inspiratory patient gas delivery path is connected via a mainstream connection between the first and second point. Thereby the anesthetic gasifier unit is connected in a sidestream configuration to the patient gas delivery path for adding the gasified anesthetic agent in a desired concentration to the patient gas delivery path at the second point. The When aggregate is coupled to a breathing apparatus, a substantially volume neutral delivery of anesthetic agent is provided a to the breathing apparatus.02-09-2012
20120037156CONTROL OF HUMIDIFIER CHAMBER TEMPERATURE FOR ACCURATE HUMIDITY CONTROL - A breathing assistance system for delivering a stream of heated, humidified gases to a user, comprising 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 flow of gases passing through the humidifier and exiting via an exit port, the system further having a temperature sensor which measures the temperature of the gases exiting the humidifier unit, an ambient temperature sensor which measures the temperature of gases before they enter the humidifier unit, and a flow sensor which measures the flow rate of the gases stream, the system also having a controller which receives data from the temperature and flow sensors, and which determines a control output in response, the control output adjusting the power to the humidifier unit to achieve a desired output at the humidifier unit exit port.02-16-2012
20120304990CANNABIS DRUG DELIVERY AND MONITORING SYSTEM - This invention relates to a new technology that enables administration of 12-06-2012
20110315139AUTOMATIC FRESH GAS CONTROL SYSTEM - An anesthesia system is disclosed herein. The anesthesia system includes a pneumatic circuit comprising an inspiratory limb, an expiratory limb, and a sensor. The anesthesia system also includes an anesthesia machine comprising a controller. The controller is operatively connected to the sensor, and is configured to identify a respiratory phase of the patient based on feedback from the sensor. The controller is further configured to regulate the flow rate of a fresh gas in response to the identified respiratory phase.12-29-2011
20120042876System And Method Of Administering A Pharmaceutical Gas To A Patient - 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 to 1. The pharmaceutical gases include CO and NO, both of which are provided as a concentration in a carrier gas. The gas control system determines the delivery of the pharmaceutical gas to the patient to result in the known desired quantity (e.g. in molecules, milligrams or other quantified units) of the pharmaceutical gas being delivered. Upon completion of that known desired quantity of pharmaceutical gas over a plurality of breaths, the system can either terminate, continue, activate and alarm, etc.02-23-2012
20120012108ARTIFICIAL NOSE AND BREATHING CIRCUIT PROVIDED WITH THE ARTIFICIAL AIRWAY - Provided is an artificial airway and a breathing circuit provided with the artificial airway, including a tubular outer shell; a moisture permeable and water resistant film disposed on an entire circumference of an internal surface of the outer shell, forming a water retention region with the outer shell, and forming an aeration region on an internal surface side thereof; a feed water inlet provided in the outer shell to supply water to the water retention region; and a heater disposed outside the outer shell, heating the water in the water retention region to generate water vapor, and also heating an inspiratory gas flowing in the aeration region, wherein the water supplied from the feed water inlet is retained in the water retention region by the moisture permeable and water resistant film, and only the water vapor generated by the heating of the heater passes through the moisture permeable and water resistant film and flows into the aeration region to heat and humidify the inspiratory gas flowing in the aeration region.01-19-2012
20120060835ANESTHESIA SYSTEM AND METHOD - An anesthesia system is disclosed herein, The anesthesia system may include a pneumatic circuit comprising an inspiratory limb, an expiratory limb, and an endotracheal tube. The endotracheal tube may be configured to form a pneumatic coupling between a patient, the inspiratory limb and the expiratory limb. The anesthesia system may also include an anesthesia machine connected to the pneumatic circuit. The anesthesia machine may include a controller configured to identify the presence of a leak in the pneumatic coupling.03-15-2012
20110094509METHOD AND ARRANGEMENT FOR CONTROLLING NARCOTIC EFFECT VALUE OF BREATHING GAS - A method for controlling a narcotic effect value of a mixture of at least two narcotic agents of a breathing gas is disclosed herein. The method includes setting a target value for a desired narcotic effect of narcotic agents and measuring a breathing gas concentration of each narcotic agent of the breathing gas. The method also includes converting measured breathing gas concentration of each narcotic agent to a narcotic effect value of the breathing gas and calculating a total narcotic effect value of the mixture of the at least two narcotic agents. The method also includes comparing the total narcotic effect value with the target value and determining whether or not to change the breathing gas concentration to meet the target value.04-28-2011
20110094508Nitrous Oxide Anesthetic Administration System - The present invention is a method and system for administering nitrous oxide. The system includes a fluid control system for controlling the flow of nitrous oxide and oxygen to the patient. A nitrous oxide and oxygen supply, vacuum source, a breather bag, and a nasal delivery interface system are fluidly connected to the fluid control system and a patient. The fluid control system also includes a safety scavenge system including a mass airflow sensor, master controller, nitrous oxide valve, and alarm. The mass airflow sensor reads the scavenging vacuum pressure which it communicates to the master controller. Depending upon the scavenging vacuum pressure, the master controller can activate an alarm or shut off the flow of nitrous oxide. In operation, the present invention provides a system for administering anesthesia/analgesia gas which prevents excessively high volumes of exhaled nitrous oxide in the operatory environment through monitoring of the scavenge vacuum pressure.04-28-2011
20120152244VAPORIZER HEATING ASSEMBLY AND METHOD OF REGULATING A TEMPERATURE WITHIN THE VAPORIZER HEATING ASSEMBLY - A method of regulating a temperature within a vaporizer heating assembly includes providing a vaporizer heating assembly that includes a vapor inhalation device shaped to contain a vapor and deliver the vapor to a user's mouth without expelling the vapor into the atmosphere, an airflow chamber mechanically coupled to the vapor inhalation device, a heating chamber disposed within the airflow chamber, a fan in fluid communication with an air passageway defined by an interior surface of the airflow chamber and an exterior surface of the heating chamber, a temperature probe disposed proximate, but not in direct physical contact with the airflow chamber, and a temperature controller thermally coupled to the temperature probe and communicatively coupled to the heating chamber, the temperature controller operable to control a temperature output of the heating chamber in response to temperature information received from the temperature probe. The method further includes the steps of sensing a temperature of an area surrounding a portion of the airflow chamber with the temperature probe, communicating the sensed temperature of the area surrounding a portion of the airflow chamber to the temperature controller, operating the fan to direct air into a proximal end of the airflow chamber, sensing with the temperature probe a change in the temperature of the area surrounding the portion of the airflow chamber, and communicating the sensed temperature change to the temperature controller.06-21-2012
20110088693HUMIDIFICATION APPARATUS HAVING RFID TAG SENSOR AT PATIENT END OF GAS PATHWAY - A breathing circuit for delivering heated, humidified gases to a patient for medical purposes is described, comprising a humidifier chamber holding a quantity of water, a blower unit that delivers a pressurised gases stream to the chamber inlet, and a control system that adjusts output parameters of the breathing circuit, the circuit including a heater plate which heats the water in the chamber so that gases flowing through the chamber become heated and humidified, the circuit also including a gases transportation pathway and patient interface to convey heated humidified gases to a patient, the gases transportation pathway including an RFID tag located at the patient end which senses a parameter of the gases passing through the pathway, the control system including an RFID interrogator interrogating and receiving data relating to the sensed parameter from the RFID tag in real time, and adjusting the output parameters of the breathing circuit accordingly.04-21-2011
20120125329ANESTHETIC 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 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.05-24-2012
20100206307MEDICINE EJECTION DEVICE AND CONTROLLING METHOD THEREOF - The invention provides a medicine ejection device which provides stable ejection even when a reservoir with high sealability is used and can eject an appropriate amount of medicine. A medicine ejection portion 08-19-2010
20120312302BREATHING APPARATUS WITH MONITORED DELIVERY DEVICE - A breathing apparatus has a first delivery device for adding a volume of a substance to a gas flow, the delivery device having a gas inlet and a gas outlet. A unit monitors a presence of the substance in a gas downstream the delivery device using a first sensor unit at the gas outlet that provides a first measurement value based on an acoustic property of a gas in a first conduit. A second sensor unit at the gas inlet provides a second measurement value based on an acoustic property of a gas present in the second conduit. A control unit determines the presence of the substance based on the first measurement value or based on a comparison of the first measurement value and the second measurement value.12-13-2012
20100012117Methods and Apparatus for the Administration of CO - The present invention relates to a method and apparatus for the administration of carbon monoxide (CO) to a patient. It allows the safe and effective use of carbon monoxide as a medicament.01-21-2010
20120298105APPARATUS AND METHODS FOR DELIVERY OF THERAPEUTIC AGENTS TO MUCOUS OR SEROUS MEMBRANE - A method, apparatus, and system are provided for mucous membrane therapy. The method includes receiving at least one body signal from a patient; detecting a condition of the patient based on the body signal; and administering the therapy to at least one of a mucous membrane or a serous membrane of the patient. A medical device system configured to implement the method is provided. A computer-readable storage device for storing instructions that, when executed by a processor, perform the method is also provided.11-29-2012
20120227737ANALYTE SENSOR AND METHOD OF USING THE SAME - An analyte sensor and systems for determining analyte levels in a user's body. The analyte sensor and systems are adapted to be used with single dose medication devices and include a communication system to transmit the communications from the analyte sensor to the user to notify the user of an estimated amount of fluid to deliver to the user's body. More particularly, these apparatuses and methods for use are for providing convenient monitoring of blood glucose levels in determining the appropriate amount of insulin to deliver.09-13-2012
20110120462CONTROL OF HUMIDIFIER CHAMBER TEMPERATURE FOR ACCURATE HUMIDITY CONTROL - A breathing assistance system for delivering a stream of heated, humidified gases to a user, comprising 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 flow of gases passing through the humidifier and exiting via an exit port, the system further having a temperature sensor which measures the temperature of the gases exiting the humidifier unit, an ambient temperature sensor which measures the temperature of gases before they enter the humidifier unit, and a flow sensor which measures the flow rate of the gases stream, the system also having a controller which receives data from the temperature and flow sensors, and which determines a control output in response, the control output adjusting the power to the humidifier unit to achieve a desired output at the humidifier unit exit port.05-26-2011
20110253139INHALER MODULE AND RELATED SYSTEM - Apparatuses and methods for mounting an inhaler module to an inhaler, indicating compliance with a treatment regiment, shaking an inhaler and indicating mixing status, and reminding a user to prime the inhaler. The mounting element can have an elastic body adapted to interchangeably join both an inhaler and an inhaler module. Compliance can be indicated at a glance for a caregiver by providing an indication of the level of asthma medication treatment compliance. An accelerometer can be used to track mixing status of the medication canister and timestamped accelerometer data can be used to provide appropriate reminders to prime the inhaler.10-20-2011
20120318264ANESTHESIA VAPORIZER SYSTEM - An anesthetic vaporizer system is disclosed herein. The anesthetic vaporizer system may include a sump adapted to retain an anesthetic agent. The anesthetic vaporizer system may also include a level sensor disposed at least partially within the sump. The level sensor is configured to generate an optical beam, and to estimate the amount of anesthetic agent within the sump based on a measured characteristic of the optical beam.12-20-2012
20120325207METHOD FOR DETERMINING PARTIAL PRESSURE OF A GASEOUS CONSTITUENT AND REGULATOR OF BREATHING MASK FOR AIRCRAFT OCCUPANT - A method for determining a characteristic such as partial pressure or percentage of a gaseous constituent in a first gas mixture flow (12-27-2012
20120240928Medical Vaporizer and Method of Monitoring of a Medical Vaporizer - 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 the time-of-flight measurements, the flows at the vaporizer inlet and outlet are computed. The flow measurements are used to monitor carrier gas loss, anesthetic consumption, and anesthetic delivery time remaining and provide such information to the vaporizer operator.09-27-2012
20080236578ANAESTHESIA MACHINE ARRANGEMENT AND A METHOD IN CONNECTION WITH AN ANAESTHESIA MACHINE ARRANGEMENT - Anaesthesia machine arrangement and a method comprising a gas dispenser (10-02-2008
20130174842THERAPEUTIC VAPORIZER - A therapeutic vaporizer is disclosed having two or more housing portions configured to form an inner cavity. The housing portions are movable between an open and closed position, such that at least a portion of the inner cavity is enclosed when the housing portions are in the closed position. The vaporizer includes at least one accessory-receiving element configured to receive at least one accessory within the inner cavity when the housing portions are in the closed position.07-11-2013
20130174841HUMIDIFIED GASES DELIVERY APPARATUS AND METHODS FOR CONTROLLING SAME - The invention relates to a method of determining water level in a humidifier chamber that is part of a humidified gases delivery apparatus and system. The method comprising the steps of delivering power to a heater plate, varying the power delivered to the heater plate, measuring the rate of change of temperature and determining the level of water based on the heating characteristics of the volume of water within the chamber, in particular determining the level of water within the chamber based on the rate of change of temperature and the supplied power.07-11-2013
20130133651APPARATUS FOR SUPPLYING GASES TO A PATIENT - An apparatus for the supply of humidified gases to a patient is disclosed that comprises a gases supply passage downstream of a humidified gases supply, and upstream of a patient in use, where at least one sensor is embedded in or located on the outside of the wall of the passage. In preferred forms the wall of the passage divides the sensor(s) from a flow of gases in the passage. In use, a controller receives an output of the sensor(s) and derives from the output of the sensor(s) an estimation of a property of gases flowing through the passage or provides a control output to the humidified gases supply according to the output of the sensor(s).05-30-2013
20130112198DEVICE AND PROCESS FOR PROVIDING MOISTENED BREATHING GAS - A respiration moistener (05-09-2013
20130092159METHOD AND DEVICE FOR SUPPLYING AT LEAST ONE MEDICAL GAS TO A PATIENT RECEIVING ARTIFICIAL RESPIRATION WITH THE AID OF A VENTILATOR - A device and method for administering at least one medical gas (NO) to a patient mechanically ventilated by means of a ventilator. The ventilator produces a constant respiratory gas flow (O04-18-2013
20100294278ROTARY CASSETTE SYSTEM FOR DRY POWDER INHALER - The present disclosure provides an inhaler having a vibration element for aerosolizing medicament contained in a blister pack, wherein a plurality of individual blister packs are arranged in a rotary cassette that fits within a housing, and wherein the individual blister packs are dragged up into a clamping position between the vibration element and a piercing element. The motion of the blister pack is controlled by a rotary disk within the housing which further coordinates the movement of the piercing and vibrating elements for the piercing and deaggregation, respectively, of the individual blister packs.11-25-2010
20120272958DEVICE AND METHOD FOR CONTROLLING RESPIRATION DURING SLEEP - A device for controlling respiration during sleep, the device comprising: 11-01-2012
20100313885METHOD OF USING A SPOOL VALVE ASSEMBLY FOR DELIVERY OF A GASEOUS DRUG - A method for delivering a dose of a gaseous drug to a patient with a respiratory disorder including powering a control circuit via a power supply, determining a normal resting breath rate for the patient via the control circuit, determining a current breath rate for the patient via the control circuit, comparing the current breath rate to the normal resting breath rate; determining a dose of the gaseous drug for the patient based on the comparison, positioning a spool valve within a spool valve assembly; and delivering the determined dose through the low flow valve, the high flow valve, and/or a combination of the low flow valve and the high flow valve, and the continuous flow valve based on the position of a spool valve. The control circuit may control a low flow valve, a high flow valve, and a continuous flow valve.12-16-2010
20130118489RESPIRATOR - An breathing or anesthesia apparatus and a process for operating a breathing or anesthesia apparatus are provided in which only a very low energy consumption occurs outside of the operating times. The breathing or anesthesia apparatus (05-16-2013
20130186396System and Method of Administering a Pharmaceutical Gas to a Patient - Described are methods and systems for delivering a pharmaceutical gas to a patient. The methods and systems provide varying quantities of pharmaceutical gas delivered to the patient in two or more breaths based on the monitored respiratory rate or changes in the patient's respiratory rate.07-25-2013
20130186397VENTILATOR RESPIRATORY VARIABLE-SIZED GAS ACCUMULATOR - This disclosure describes systems and methods for ventilating a patient with a system that includes an accumulator for storing a gas mixture. The disclosure further describes a novel approach for a fast delivery of a change in gas mixture to a patient by utilizing a variable-sized accumulator.07-25-2013
20120042875System And Method Of Administering A Pharmaceutical Gas To A Patient - Methods and systems for delivering a total quantity of pharmaceutical gas to a patient. The methods and systems provide one of a low amount and high amount of pharmaceutical gas to a patient. The selection of the high amount or low amount may be determined by comparing the amount per unit of time of pharmaceutical gas delivered to the patient over the past number of breaths to the required quantity of pharmaceutical gas per unit of time. Upon completion of delivering the total quantity of pharmaceutical gas to the patient, the system can terminate, continue, activate and alarm, etc.02-23-2012

Patent applications in class Control means responsive to condition other than user's airway pressure