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Assignee: Siemens Elema AB


Location: Solna, SE
No. of patents: 140

1        
NumberTitleIssue Date
6850591Mammography apparatus with vibrating compression plate
An x-ray diagnostic device for mammogram examinations has an arm for an x-ray tube and a subject table as well as a compression plate arranged between the x-ray tube and the subject table that is connected to the arm and that is displaceable along this arm. The arm ...
02/01/2005
6745771Anesthetic filter arrangement with variable retention of gas by the filter
An anesthetic filter arrangement has a filter housing with openings disposed to delimit a gas flow path inside the housing for gas passing to and from a patient, and having disposed within the gas flow path a filter element formed of an adsorption material for the a...
06/08/2004
6722625Method for controlling a valve element and valve assembly
A valve assembly HAS an element movable in a mechanical journal arrangement relative to a valve opening to establish an opening position of a valve, and A control unit for controlling the application of an oscillatory electromagnetic force to the element (8) having ...
04/20/2004
6718978Manual ventilation bag
A manual ventilation bag has a first opening and a second opening, a first soft bag connected to the first opening and a second soft bag connected to the second opening. The manual ventilation bag is advantageously used in combination with a breathing apparatus....
04/13/2004
6718975Method of assessing pulmonary stress and a breathing apparatus
In a method for assessing pulmonary stress, a volume of respiratory gas is received from the lungs of a subject, an ensuing pressure is measured and the pressure-volume (P-V) relationship is analyzed. The analysis includes a determination of the profile of the press...
04/13/2004
6709405Breathing apparatus and method for operation thereof for examining pulmonary mechanics of a respiratory system
In an apparatus and method for examining the pulmonary mechanics of a respiratory system, in order to obtain information about the mechanical properties of the respiratory system's lungs, during an expiration of a flow of gas streaming out of the respiratory system ...
03/23/2004
6698770Cart and carrier for medical equipment
In a cart and a carrier for medical equipment, the carrier has a bottom section and a back section and a pair of wheels and is arranged on an axle at the junction between the bottom section and the back section. The axle functions as a pivot axle and the ...
03/02/2004
6691552Method and apparatus for monitoring the composition of a binary breathing gas mixture
In a method and apparatus for monitoring the composition of a breathing gas mixture having a first gaseous component and a second gaseous component, a data processor is supplied, either as an input value or as a measured value from associated humidity sen...
02/17/2004
6679258Ventilator operable in a compensated volume support mode
A ventilator for connection to a patient to provide assisted breathing, has a gas flow generator, a pressure meter, a flow meter and a control unit, which determines a gas pressure, on the basis of a pre-set tidal volume for the patient and measurement si...
01/20/2004
6640807High frequency oscillation ventilator
A high frequency oscillator (HFO) ventilator has an oscillator unit for alternately supplying a volume of gas ("oscillator volume") to and removing the oscillator volume from a proximal end of a gas conduit at a predetermined high frequency. The gas condu...
11/04/2003
6601583Ventilator wherein operation is modifiable dependent on patient sounds
A ventilator for respiratory care, intended for connection to a patient, avoids needless alarms, caused by a patient's attempts to speak and needless suffering because of the patient's inability to trigger an alarm, by having a sound detector arranged to ...
08/05/2003
6595213High-frequency oscillator ventilator
A high-frequency oscillator (HFO) ventilator has a gas conduit with an opening for gas connection with a patient's airways and a bias gas flow inlet and outlet disposed to define therebetween a bias gas flow-path within the conduit. An oscillator is opera...
07/22/2003
6578575Method and apparatus for optimization of mechanical ventilation
In order to select an optimal ventilation mode for mechanically ventilating a patient, from among a number of ventilation modes, a mathematical description of the patient's respiratory system is produced in a computer from measured parameters related to p...
06/17/2003
6577703X-ray mammography apparatus with a compression plate that automatically adjusts to uniformly apply pressure
An X-ray diagnostics apparatus for mammography examinations has an arm for an X-ray tube and a subject table and a compression plate arranged between the X-ray tube and the subject table. The compression plate is connected via a mount to the arm and is di...
06/10/2003
6568850X-ray imaging system
An X-ray imaging system has an X-ray head containing an x-ray source which emits an X-ray beam. The head is rotatable around a pair of orthogonal axes for orienting the emitted X-ray beam in space. A pair of head angle sensors are located with the X-ray h...
05/27/2003
6564798Method and computer software product for controlling an expiratory valve in a ventilator
In a method for controlling an expiratory valve in a ventilator during expiration, including a stage in which the expiratory valve is opened almost completely for a first interval. Opening the expiratory valve almost completely results in a reduction in e...
05/20/2003
6539975Arrangement for maintaining gas in a variable volume container at a constant pressure
A gas container has a gas inlet, a gas outlet, a variable-volume chamber connected to the gas inlet and the gas outlet and a constant force applicator acting on the variable-volume chamber so that constant gas pressure prevails in the variable-volume cham...
04/01/2003
6536433Directional valve
A directional valve for respiratory devices has a valve body and a valve seat whose contact surface with the valve body is primarily horizontal. In order to enhance and reinforce the directional valve's operation, the valve body contains a ferromagnetic m...
03/25/2003
6463394Method for calibration and measurement in a micro-dialysis system, and a micro-dialysis system
In a method for calibration and measurement of a micro-dialysis system and a micro-dialysis system, one sensor is employed. Measurement times in micro-dialysis tend to be long, since concentration equilibrium at the measurement probe is necessary. The met...
10/08/2002
6450968Method for determining gas content in a breathing apparatus, and a breathing apparatus operating according to the method
In a method for determining the gas content, e.g. of oxygen in breathing gas in a breathing apparatus, and a breathing apparatus operating according to the method, the gas content is determined from the speed of sound in the breathing gas. In order to res...
09/17/2002
6448791Method for analyzing anaesthetic agents and an analyzer operating according to the method
In a method for analyzing anaesthetic agents and an analyzer operating according to the method, a parameter directly related to the anaesthetic agent's dielectric polarization is determined. A measuring unit has a container for the anaesthetic agent, two ...
09/10/2002
6443150Anaesthetic 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 flow of anaesthetic from the liquid container toward the d...
09/03/2002
6427692Valve
A valve, particularly suited for use with a patient ventilation system to regulate respiration gas flow to and from the lungs of a patient has a substantially parallel, co-axial, arrangement of inner and outer fluid flow passages for conducting gas throug...
08/06/2002
6422073Device for identifying liquid anaesthetics
A device for use in an anaesthetic administration apparatus for identifying at least one liquid anaesthetic in the anaesthetic apparatus has a measuring unit for determining at least one parameter related to the refractive index of the liquid anaesthetic,...
07/23/2002
6371115Device for the supply of a gas from a respirator/anaesthesia device to a bedridden patient
A device for the supply of a gas from a respirator/anaesthesia device to a bedridden patient has at least one gas tube and a connecting interface, which can be connected to the patient, and an adjustable holding device for the gas tube and for the connect...
04/16/2002
6371117Directional valve
A directional valve for a breathing apparatus, such as an anaesthetic machine, has a valve seat with a valve port and a valve plate resting loosely on a valve seat. The valve plate has a soft, pliant area on its surface in contact with the valve seat and ...
04/16/2002
6364525X-ray examination apparatus with a lifting and rotating device for an apparatus component
An x-ray examination apparatus has a base with at least one fixed part and one carriage that can be vertically shifted in relation to the fixed part. The carriage is provided with a horizontally projecting shaft, to which an apparatus component is mounted...
04/02/2002
6360740Method and apparatus for assisted breathing
A system for assisted breathing has a ventilator delivers a breathing gas to a living creature in order to facilitate, support and/or control the breathing of the living creature. The respiratory musculature is weakened during treatment with a ventilator,...
03/26/2002
6357671Ultrasonic nebulizer
An ultrasonic nebulizer includes a nebulization chamber for holding a liquid to be nebulized, the liquid being limited by an upper boundary within the chamber, and a nebulization source acoustically couplable to the liquid within the chamber to provide th...
03/19/2002
6349723Anaesthetic machine
An anaesthetic machine has a gas flow system with a variable-volume gas container for breathing gas, a fresh gas system for supplying the fresh gas system with a flow of fresh gas and a control unit. The control unit controls the variable-volume gas conta...
02/26/2002
6349922Valve with valve body which is non-linearly movable relative to a valve seat
A valve for regulating a gas flow has a valve seat and a valve body, movable against the valve seat. The valve achieves high accuracy, a wide dynamic range and high operating reliability by causing the valve body substantially only to move axially against...
02/26/2002
6345540Fluid flow meter
A fluid flow meter has a semi-conducting substrate and a number of integral flexible tines orientated across an aperture in the substrate to deflect in the direction of the fluid flow by an amount dependent on that fluid flow. Piezo-resistive regions are ...
02/12/2002
6345538Dual chamber ultrasonic flow meter with membranes having equal pressure on opposite sides thereof
An ultrasonic flow meter for measuring a flow in a measurement channel has a first sensor chamber with a first membrane arranged against the measurement channel and a first transducer arranged at a specific distance from the first membrane, and a second s...
02/12/2002
6302104Interlock arrangement for evaporators in an anesthesia apparatus
An interlock arrangement for evaporators in an anesthesia apparatus having at least two evaporators for setting a desired gas concentration prevents more than one evaporator from being activated at a time. The evaporators are connectable to a gas distribu...
10/16/2001
6298845Vaporizer
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 for liquid anaesthetic, a first connection between the fl...
10/09/2001
6295985Anaesthetic machine
An anaesthetic machine for connection to a patient's airways has a fan with an inlet and an outlet, a first system of flow paths connected between the fan's outlet and inlet, and a second system of flow paths connected between the fan's outlet and inlet. ...
10/02/2001
6289891Safety system and method for preventing mixing of different anaesthetics in an anaesthesia system
A safety system prevents inadvertent mixing of different anaesthetic agents, during replenishment wherein a new anaesthetic is replenished from a container to an anaesthesia machine containing a flow channel for the delivery of liquid anaesthetic, with a ...
09/18/2001
6286505Portable anaesthetic machine and emergency kit
A portable anaesthetic machine allows dispensing of a liquid anaesthetic to a patient, which is sometimes desirable and may be hard to achieve, especially with portable equipment. This portable anaesthetic machine has a gas flow generator for generating a...
09/11/2001
6253765Method for determining the volume of a tubing system and a breathing apparatus system
In a method for determining the elastic volume (representing the gas which must be added to compensate for the compression of gas occurring in the tubing system) of a tubing system connected to a patient without the patient's lungs and airways entering in...
07/03/2001
6240920Method for determining a parameter related to spontaneous breathing efforts by a subject, and breathing-assist apparatus operating in accordance with the method
In a method and apparatus for determining at least one parameter related to a patient's spontaneous attempts at inspiration and/or the patient's respiratory effort in attempts at spontaneous inspiration, a pressure gradient is determined in relation to a ...
06/05/2001
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