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7364140 |
CPAP apparatus
A continuous positive airway pressure (CPAP) apparatus to supply pressurized breathable gas to a patient includes a flow generator having a gas inlet and a gas outlet, a humidifier having a gas...
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7306205 |
Humidification system
Breathing assistance apparatus including humidifier ( 4 ) and heated conduit ( 6 ) adapted to deliver humidified gases at desired and accurate level of humidity to patient. Humidifier includes...
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7275540 |
MRI/NMR-compatible, tidal volume control and measurement systems, methods, and devices for respiratory and hyperpolarized gas delivery
Ventilator systems include: (a) a mass flow controller; (b) a gas delivery valve in communication with the mass flow controller and configured to selectively dispense a plurality of different gases...
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7237770 |
Humidifier for breathable gas apparatus
A humidifier for use with a breathable gas supply apparatus includes a hollow body adapted for partial filling with water to a predetermined maximum water level, a gas inlet to the body above the...
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7235222 |
Process for treating waste anesthetic gas
To provide a process and an apparatus for treating a waste anesthetic gas containing a volatile anesthetic and nitrous oxide discharged from an operating room by introducing the gas into an...
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7225807 |
Systems and methods for aerosol delivery of agents
Aerosol delivery systems and methods for delivering an agent to a patient are described herein. The present invention includes embodiments comprising an insulated receptacle connected to a body to...
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7204248 |
Fiberoptic nebulizer
A nebulizer uses air or preferably oxygen to aerate and transport an anesthetic for providing topical anesthesia to the airway passages of a patient undergoing analysis or treatment by any of...
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7121276 |
Personal oxygen concentrator
An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen...
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7117867 |
Aerosol generator and methods of making and using an aerosol generator
An aerosol generator includes a flow passage having an inlet and an outlet, a heater arranged relative to the flow passage for heating the flow passage, a source of material to be volatilized in...
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7032595 |
Metering device for anesthetics
A device for metering anesthetic is provided such that a new anesthetic is immediately available for the metering when the anesthetic is changed. The metering device has an assembly unit that can...
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6983750 |
Method for indicating the amount of ventilation inhomogeneity in the lung
A method of determining ventilation inhomogeneity in the lungs is provided. During the first step of the method, a lung volume series is calculated from a series of measured lung inert gas...
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6962154 |
Metered administration of a therapeutic gas
The invention relates to a method for the metered administration of a therapeutically effective gas to a patient, comprising a step to remove harmful or undesired substances from the gas-carrying...
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6951216 |
Apparatus and method for use in non-invasively determining conditions in the circulatory system of a subject
Apparatus and method for providing breathing gases to a subject employs an exchanger taking up a quantity of a given component, such as CO 2 , from expiratory breathing gases passing through the...
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6871645 |
Reduced-oxygen breathing device
The present invention includes a non-rebreathing circuit coupled with computer-controlled gas adjustments. Ambient air is diluted with nitrogen on a breath-by-breath basis to provide precise...
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6863067 |
Device for exchange of gas volume
A device for exchanging gas volumes in an anesthetic system has an inlet, an outlet, a first chamber arranged between the inlet and the outlet, a second chamber arranged between the inlet and the...
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6830047 |
Anaesthetic controller
For automatic supply of an active substance to a patient's body ( 14 ) the supply rate (R) of an infusion pump ( 13 ) is evaluated. The supply rate is processed in a patient model ( 11 ) which...
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6799570 |
Method of maintaining constant arterial PCO2 and measurement of anatomic and alveolar dead space
A method to maintain isocapnia for a subject. A fresh gas is provided to the subject when the subject breathes at a rate less than or equal to the fresh gas flowing to the subject. The fresh gas...
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6725860 |
Monitoring process for metering different gaseous anesthetics
A monitoring process for the reliable metering of different gaseous anesthetics uses a gaseous anesthetic monitor designed as only a single-channel monitor for determining the concentration of only...
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6718979 |
Oxygen mask assembly
An oxygen mask assembly including an oxygen dilutor assembly with air inlet apertures located in a top wall thereof for diluting the oxygen flowing therethrough. In one embodiment, the mask...
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6698425 |
Powder inhaler
A dry powder inhaler for use with a blister pack is disclosed. The inhaler has a dosing mechanism that releases powder from a variable number of blisters in the blister pack into an inhalation...
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6694978 |
High-frequency oscillation patient ventillator system
A patient ventilator system has a high-frequency oscillation ventilator connectable to a patient circuit and operable to induce oscillations within gas in the circuit at a predetermined...
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6691705 |
Arrangement and process for controlling a numerical value for patient respiration
An arrangement with a control circuit for controlling a numerical value for patient respiration as well as to a process for controlling the numerical value. The numerical value is controlled on the...
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6581592 |
Purge system for nitric oxide administration apparatus
A nitric oxide delivery system is disclosed that delivers a pulsed volume of NO containing therapeutic gas to a patient upon each inhalation of the patient. The NO delivery system includes certain...
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6554260 |
Humidifier for breathable gas apparatus
A humidifier for use with a breathable gas supply apparatus includes a hollow body adapted for partial filling with water to a predetermined maximum water level, a gas inlet to the body above the...
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6553990 |
Process for changing the concentration in an anesthesia apparatus
A process, system and apparatus for changing the concentration in an anesthesia apparatus with a fresh gas metering unit ( 14 ) and a pressure sensor ( 17 ) in the breathing circuit, with a volume...
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6467478 |
Gas mixing apparatus for a ventilator
The gas mixing apparatus provides the components of a breathing gas for mixing at approximately ambient atmospheric pressure, and regulates the pressure of a selected gas to approximately ambient...
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6443150 |
Anaesthetic vaporizer
An anaesthetic vaporizer for dosing a liquid anaesthetic has a liquid container for the anaesthetic, and outlet tube from the liquid container to a dosing point, a first regulator for regulating a...
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6367470 |
Nebulizers
A nebuliser having elements for determining the duration of a pulse of atomisation during inspiration, including elements for measuring the tidal volume of a patient timing elements for measuring...
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6298845 |
Vaporizer
A vaporizer for vaporizing a liquid anaesthetic has an inlet for a carrier gas, an outlet for the carrier gas and vaporized anaesthetic, a flow channel connecting the inlet to the outlet, a chamber...
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6260550 |
Device and process for controlling a respirator
A respirator with an inhalation line (5) connected to a gas supply device (2) and with an exhalation line (7) connected to an exhalation device (3), with a Y piece (8) connecting the inhalation...
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6186143 |
Apparatus for supplying atmospheric air and at least one additional gas to a respirating subject
An apparatus for supplying air and at least one additional gas to a respirating subject has a container with an open end for receiving air, which is connected to a tubing system for conveying gas...
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6155256 |
Fresh gas system and a method for vaporizing a liquid anaesthetic
In a fresh gas system and a method for vaporizing a liquid anaesthetic in an anaesthetic machine, a gas preparation unit prepares a flow of fresh gas having a gas mixture from at least two sources...
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6123074 |
Oxygen mixing in a blower-based ventilator
An oxygen mixing arrangement for or in a pressure support ventilator, in which a modular oxygen-providing assembly is selectively insertable into a greater respiration apparatus. Mixing accuracy...
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6024087 |
Emergency oxygen flowmeter arrangement
An emergency oxygen system that provides a flow of oxygen to the patient undergoing anesthesia in the event of a detected fault in the overall supply and mixing system of the anesthesia system. The...
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5967141 |
Method and apparatus for metering an anaesthetic to a patient
The invention relates to a method and apparatus for metering to a patient an anaesthetic vaporized from anaesthetic liquid held in a liquid space (27) of a liquid container (18) into a gas space...
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5954049 |
Equine mask with MDI adapter
A mask is provided for administering medication, particularly asthmatic medication, to equine animals, particularly horses. The mask has a body that fits over the nostrils of the horse. An...
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5890490 |
Therapeutic gas flow monitoring system
A therapeutic gas delivery device includes a monitor having an inlet and an outlet, a source of therapeutic gas in fluid communication with the monitor inlet, and a gas delivery tube in fluid...
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5871009 |
Method and apparatus for mixing a gas containing nitric oxide with a gas containing oxygen
During the administration of NO to a patient, NO reacts with oxygen in the respiratory gas to form NO 2 . Since NO 2 is a toxic gas, minimizing the formation of this gas is important. A previously...
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5855201 |
Gas exchange apparatus
Disclosed is a small-sized gas exchange apparatus of high performance having an increased gas exchange rate and a reduced priming volume, comprising a hollow fiber module M 1 formed by bundling a...
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5845633 |
Dosing device for adding a controlled amount of a gas to a fluid
In a dosing device and method for controlled dosing of a first gas into a second gas or liquid membrane which is permeable to the first gas separates the first gas from the second gas or liquid....
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5839433 |
Nitric oxide treatment
The invention is a method and apparatus for treatment in which nitric oxide is supplied from a source to a patient for inhalation incorporating a regulator to control the flow of nitric oxide from...
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5810002 |
Respirator
A respirator with a breathing gas delivery unit having a variable delivery volume, with a breathing circuit having an inspiration branch and an expiration branch, and with a feed line for breathing...
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5755220 |
Flow adjusting valve for anesthetic device
A flow adjusting valve for an anesthetic device has adjusting valves for an anesthetic gas other than oxygen, as well as for oxygen, respectively, both being contained in a valve main body. The...
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5752504 |
System for monitoring therapy during calibration
A system for continuing the monitoring of certain gases delivered to a patient during the administration of nitric oxide to provide therapy to the patient. The nitric oxide is controlled by a...
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5743251 |
Aerosol and a method and apparatus for generating an aerosol
An aerosol is formed by supplying a material in liquid form to a tube and heating the tube such that the material volatizes and expands out of an open end of the tube. The volatized material...
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5732693 |
Pause control of nitric oxide therapy
A system for the delivery of nitric oxide therapy to a patient that allows interventions by a user by activating a pause mode through a user input. A CPU in the system recognizes the activation of...
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5730119 |
Method and device for identifying anaesthetic in an anaesthetic system
For preventing a patient from being administered an erroneous anaesthetic, an incorrect concentration of anaesthetic or a mixture of anaesthetics, an anaesthetic system is equipped with a device...
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5727545 |
Gas mixing system for an anaesthetic apparatus
A gas-mixing system for anaesthetic apparatuses has a vaporizer unit for liquid anaesthetic, a first gas line carrying a specific first flow of gas to the vaporizer unit, and a second gas line...
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5722449 |
Arrangement in connection with a gas mixer
An arrangement in connection with a gas mixer, which is arranged to form a mixed gas of oxygen and another gas to be mixed with it. To provide a simple and reliable arrangement, before the mixed...
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5687709 |
Ventilator anesthetic system having a manually operated safety valve device
Ventilators and anesthetic systems are generally equipped with a number of different safety functions. An improved, manually operated safety valve device has a valve element, slideingly or...
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