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| Number | Title | Issue Date |
| 8127762 | Anaesthesia 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 ... | 03/06/2012 |
| 7909034 | Combined positive and negative pressure assist ventilation The present invention relates to a method of delivering combined positive and negative pressure assist ventilation to a patient, wherein a positive pressure is applied to the patient's airways to inflate the patient's lungs, a negative pressure is applied around the... | 03/22/2011 |
| 7814908 | Method and device for reducing the carbon dioxide content in a dead volume In a method and device for reducing the carbon dioxide content in a dead volume intended for connection to the respiratory system of a patient, and an anesthesia apparatus embodying such a device, a flow of gas is generated from an outlet associated with the dead vo... | 10/19/2010 |
| 7735488 | Tracheal insert allowing passage of a selected substance A medical device has a cuff adapted to be positioned in the trachea of a subject with a patient tube, and a first tube having a distal end coupled to the cuff and a proximal end communicable with the surroundings. More effective and simpler sample taking and/or dosi... | 06/15/2010 |
| 7689275 | Method and apparatus for determining an EMG signal A method and apparatus for filtering an electromyogram (EMG) signal from a raw signal which includes a contribution from an electrocardiogram (EKG) signal is disclosed. The method includes the steps of estimating an attribute (such as a Fourier transform) of both th... | 03/30/2010 |
| 7634311 | Method, device and computer program product for filtering an EMG signal out of a raw signal In a method, device and computer program product for extracting an EMG signal out of a raw signal obtained with a number of electrodes, the electrodes being adapted to interact with a patient to obtain signals from the patient's diaphragm on respective channels asso... | 12/15/2009 |
| RE40402 | Non-invasive method for optimizing the respiration of atelectatic lungs The invention relates to a method and an apparatus to identify alveolar opening and collapse of a lung. To automatically generate the settings of ventilator parameters in a simple and gentle way, the hemoglobin oxygen saturation and/or the endtidal CO2 co... | 06/24/2008 |
| 7347207 | Anesthesia apparatus with remote control during operation in a manual ventilation mode An anaesthetic device has a manual ventilation bag, a mechanical ventilator and a user interface for setting an operating mode, including mechanical ventilation via the mechanical ventilator and manual ventilation via the manual ventilation bag, and for setting para... | 03/25/2008 |
| 7322937 | Method and breathing apparatus for assessing pulmonary stress In a method and breathing apparatus for assessing pulmonary stress, wherein pressure controlled flow of respiratory gas is generated, an ensuing flow is measured, resistance and compliance are determined based on measured pressure and flow and a stress index value i... | 01/29/2008 |
| 7283875 | Nerve stimulation device A nerve stimulation device has a pulse generator for generating stimulation pulses and an output for the stimulation pulses from the pulse generator, which is connectable to an electrode arrangement adapted for interaction with a living being to stimulate the phreni... | 10/16/2007 |
| 7266403 | Method and device for treating a protein deficiency In a method and device for preparation of a medicament for the treatment of lungs having a surfactant deficiency, a sample from a patient is quantitatively analyzed with regard to at least one of the proteins SP-A, SP-B, SP-C and SP-D, a determination is made as to ... | 09/04/2007 |
| 7222622 | Gas-dispensing device with self-contained gas container having a diffusion membrane A gas-dispensing device (2) for dispensing a gas into breathing gas, comprising a membrane (6) through which the gas can diffuse into the breating gas, is described. The gas-dispensing device (2) is simple and reliable because it contains a self... | 05/29/2007 |
| 7198679 | Method for determining an aspiration flow and time In a method and apparatus for determining an aspiration flow and an aspiration time during aspiration of a dead space, the aspiration is made more effective by determining the volume of the dead space to be aspired during an expiration, determining an expiration flo... | 04/03/2007 |
| 7184812 | Control of inter-electrode resistivity to improve quality of measured electrical biological signals Described is an electrode array for measuring electrical activity in a subject's biological tissue, comprising an electrode support, a group of electrodes mounted on the electrode support, and an inter-electrode conductive medium having a given resistivity for contr... | 02/27/2007 |
| 7146980 | Tube for use in an anesthetic system A tube for use in an anesthetic system has an essentially cylindrical housing. More effective take-up of carbon dioxide is achieved by an absorbent for carbon dioxide that is arranged within the tube. ... | 12/12/2006 |
| 7127936 | Acoustic analysis of gas mixtures An acoustic gas analyzer for gas mixture has an acoustic velocity meter that provides a first output dependent on a detected transmission of acoustic energy through a gas to be analyzed, a temperature probe having a probe time constant that provides a second output ... | 10/31/2006 |
| 7086098 | Mechanical breathing aid with adaptive expiration control A mechanical breathing aid for providing a regulated supply of a breathing gas has an expiratory pressure regulator for regulating gas pressure within an expiration gas flow path dependent on an input regulatory signal and an expiratory pressure sensor disposed to s... | 08/08/2006 |
| 7077134 | Anesthetic reflector An anesthetic reflector has a housing internally containing two externally accessible gas channels and a filter of a material for releasable sorption of gas-borne anesthetic agent. The filter is movable between the gas channels to expose the same portion of the filt... | 07/18/2006 |
| 7077136 | Anaesthetic delivery system An anesthetic delivery system has a delivery unit containing a carbon dioxide retaining element and a reversible action anesthetic absorber/desorber for releasably retaining therein at least a portion of a charge of anesthetic agent. An externally accessible first i... | 07/18/2006 |
| 7063668 | Method and arrangement for acoustic determination of moisture content of a gas mixture A mechanical breathing aid has first and second inlets respectively connectable to a source of air and a source of oxygen. A mixing location is in gaseous communication with the first and second inlets, at which controlled amounts of air and oxygen from the respecti... | 06/20/2006 |
| 7040183 | Arrangement for passive gas sampling An arrangement for passive gas sampling of a breathing gas in a breathing system allows sampling during both inspiration and expiration. The arrangement has a tube-piece having a first connector for receiving an inspiratory gas flow, a second connector for deliverin... | 05/09/2006 |
| 7032592 | Gas dosing device A device for the dosing of a dry additive gas into a breathing gas in a ventilator system, the ventilator system including a tubing system connectable by at a distal end to a patient, and has a dosing tube connectable to the tubing system for dosing to the distal en... | 04/25/2006 |
| 7031861 | Apparatus and method for calibrating a resistance thermometer and gas analyzer employing same In a calibration apparatus and method for a resistance thermometer a reference thermometer is located in thermal contact with a gas composition to generate, during a calibration period, a first reference temperature value for the gas composition at a first temperatu... | 04/18/2006 |
| 6983663 | Flow meter arrangement A flow meter arrangement has a venturi-type flow meter having a tubular flow channel for conveying a gas flow to be measured and in which there is provided a constriction. The arrangement further has a hot wire flow meter having a sensing element located within the ... | 01/10/2006 |
| 6955790 | Apparatus for plasma-chemical production of nitrogen monoxide A method and an apparatus for plasma-chemical production of nitrogen monoxide is used to produce inhalation gas enriched with nitrogen monoxide for medical purposes. The nitrogen-monoxide production is achieved through the use of a dielectric barrier discharge creat... | 10/18/2005 |
| 6912925 | Acoustic meter assembly An acoustic meter assembly has a measurement chamber for receiving a pressurized fluid to be monitored; an acoustic transducer for transmitting acoustic energy into and receiving the transmitted energy from the measurement chamber; and a holder for the acoustic tran... | 07/05/2005 |
| 6910484 | Constant pressure generator A constant pressure generator has a variable volume fluid reservoir formed by a container having fixed walls which cooperate to define a cross-sectional area of the container perpendicular to an axis that varies with location along the axis and an end wall arranged ... | 06/28/2005 |
| 6910674 | Valve for use in a breathing apparatus A valve in a breathing device has a housing with an inlet and an outlet, a valve housing having an inlet and an outlet, a valve seat arranged in the housing, a valve body arranged in the housing to be freely moveable with respect to the valve seat between a closed p... | 06/28/2005 |
| 6886801 | Valve assembly A valve assembly has a valve opening which can be sealed and un-sealed by movement of a membrane 6, a force generator, such as an electromagnetic force generator having a solenoid and armature arrangement, and a shaft that is operably connected to the membran... | 05/03/2005 |
| 6878133 | Delivery apparatus for pressurized medical liquids A delivery apparatus for pressurized medical liquids has a primary reservoir and a primary pressurizing arrangement configured for removably pressurizing medical liquid in the primary reservoir to a delivery pressure. A secondary reservoir has an inlet connected via... | 04/12/2005 |
| 6874503 | Fluid flow regulation system A fluid flow regulation system has an inlet, an outlet, and an adjustable flow regulator connected between the inlet and the outlet. The regulator has a closed position at which a leakage gas flow through the system is established. An extraction device is provided f... | 04/05/2005 |
| 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 outlet, a switching valve for selective connection to the first chambe... | 03/08/2005 |
| 6856822 | Multi-electrode catheter A multi-electrode catheter has a longitudinally extending body with a number of longitudinally extending lumens formed therein and a number of electrode assemblies. Each assembly has an electrode located at an external surface of a caudal section of the body and an ... | 02/15/2005 |
| 6840241 | Apparatus for determination of recruitable volume of a lung An apparatus for determination of a recruitable volume in a lung has a control system connectable to a pneumatic unit and to a measurement system and operable to, at a first point in time, regulate the pneumatic unit to generate a first test breath having predetermi... | 01/11/2005 |
| 6837241 | Method for adaptive triggering of a breathing device, and breathing device with adaptive triggering In a method for adaptive triggering of respiratory phases in a breathing device, and a breathing device operating according to the method, first respiration indicator signal is determined based on at least one of the parameters flow and pressure, the respiration ind... | 01/04/2005 |
| 6820462 | Acoustic gas monitor An acoustic gas monitor has a measurement chamber into which a reference gas of known composition is received and is provided with a wall section for the selective transmission of a gaseous substance to be monitored between the reference gas internal the chamber and... | 11/23/2004 |
| 6817250 | Acoustic gas meter with a temperature probe having an elongated sensor region An acoustic gas meter has an acoustic transmitter/receiver arrangement disposed within a gas flow conduit for transmitting and receiving acoustic energy along an acoustic path. A temperature probe has an elongate sensor region disposed relative to, preferably along,... | 11/16/2004 |
| 6786633 | Method and arrangement for acoustically determining a fluid temperature In a method and an arrangement for acoustic determination of an instantaneous fluid temperature, acoustic velocity V in a fluid is monitored and an output signal related to the acoustic velocity is generated. A conventional temperature sensor senses a fluid temperat... | 09/07/2004 |
| 6761166 | Device for reducing dead space in a ventilator system A device for reducing dead space in a ventilator system has a first tube connectable to the dead space in the ventilator system for producing a flow path for the transport of gas from dead space in the ventilator system, a suction device connected to the first tube ... | 07/13/2004 |
| 6739336 | Arrangement and method for feedback control of a gas flow in a breathing assist apparatus A feedback controller for regulating respiratory gas in a mechanical breathing aid system has a comparator means for periodically generating, in a current breathing cycle, an error signal representing the difference between a value of a gas parameter measured for ga... | 05/25/2004 |
