Abstract: A dispensing valve with admission pressure compensation and a safety device for maximum pressure limitation of the admission pressure. To accomplish the object, a deformation zone (18), which can be brought into contact with a support surface (14) by the admission pressure by admitting pressure in the direction of a reduction of the active area of the compensating diaphragm (10), is provided in the area of a compensating diaphragm (10).

Abstract: A process with a corresponding device for lung ventilation involves recording an image of the lung status with an electric impedance tomography (EIT) system (2) and the total area of ventilated lung areas is determined by a computing unit (4) from all image values, subsequently divided into at least two lung areas and the extent of the homogeneity of the ventilated lung areas is determined by comparison of the impedance changes within these areas. In case of a homogeneity rated as being too low, the respiration pressures are increased step by step by means of the respirator (1) and the respiration pressure at which the greatest possible homogeneity is obtained from subsequently determined status images is determined by means of the EIT system (2).

Abstract: A device with a respirator (1) and with a humidifier (11) for breathing gas. Breathing gas humidification is adapted to the different operating states of the respirator (1). A connection (13) is provided for bidirectional data transmission between the control and operating unit (8) of the respirator (1) and the control and operating unit (9) of the humidifier (11).

Abstract: A licensing system is provided for transferring license information for at least one license-requiring software component of software-controlled devices. The licensing system comprises a first, portable license data storage medium (3), which is provided with a processor unit (8) and on which at least one license information for the at least one license-requiring software component is stored in a memory unit (9). A second, exchangeable license data storage medium (4; 4.1, 4.2) is provided with a processor unit (10; 10.1, 10.2). A data transfer channel (5) is provided for transferring data between the first license data storage medium (3) and the second license data storage medium (4; 4.1, 4.2). A license detection device (6) is provided which can poll the at least one license information of the first license data storage medium (3) and transfer same to the second license data storage medium (4; 4.1, 4.2) via the data transfer channel (5).

Abstract: A thermotherapy device with a reclining surface and with an inflatable hood for covering the reclining surface. The inflatable hood (1) is provided with a plurality of inflatable, tubular support elements (3) with plastic films (2) arranged between them, which tenter one or more surfaces between the support elements (3) in the inflated state.

Abstract: A radio frequency detection system is provided that includes at least two radio frequency detection devices, which have an antenna each with a detection range for a radio frequency identification and detect the radio frequency identification information provided in the detection range. The radio frequency detection system is designed to attenuate a detection range of a detecting radio frequency detection device in the detection range of the at least one other radio frequency detection device by means of a compensation member such that the radio frequency identification cannot be detected by the detecting radio frequency detection device in the detection area of the at least one other radio frequency detection device.

Abstract: A device and a process are provided for uniformly lighting an operating area for performing the lighting of an operating area (2) of a bed (30) by means of a lighting unit (3) such that a selected lighting field (13) is lighted uniformly. The image signals of a camera (7) are sent to an image processing unit (17), in which the image signals are analyzed and the individual lighting elements (6) are switched via the control unit (18). A lighting situation is acquired in the process for initializing and operating this lighting system and a lighting field (13) of interest is selected. The image signals are analyzed during the operation and sent to the control unit (18) in order to switch the lighting elements (6) such that uniform lighting is obtained in the first lighting field (13).

Abstract: A gas-mixing device for respirators can be used both in stationary operation and in mobile operation. The gas-mixing device has a storage tank (5), into which compressed air and oxygen can be introduced by dispensing valves (3, 8). In addition, a blower (10), which draws in gas from the environment (11), is connected to the storage tank (5). To dispense gas from the pressurized gas sources (4, 6) by means of the dispensing valves (3, 8), a first operating pressure level is set in the storage tank (5). When changing over to the blower operation, the operating pressure level is lowered to a pressure level adapted to the maximum respiration pressure.

Abstract: A process for operating a respiration system (3) makes it possible, rapidly and with simple means, to operate the respiration system (3). The system and method use respiratory flow sensor-specific, patient- and/or treatment-related operating data and a respiratory flow sensor (1). A reading unit present in the respiration system (3) reads the contents of a transponder (2) connected to the respiratory flow sensor (1), so that the respiration system (3) is ready to operate only after the operating data have been read.

Abstract: A liquid evaporator includes a liquid reservoir (3) with a liquid to be evaporated, a heater (9) and an evaporator tube (12). The evaporator tube (12) has a first porous element (1) having a first porosity and with an area in contact with the liquid in the liquid reservoir (3) and a second porous element (2) with a second porosity and with an area present on an evaporator side (50) used to dispense the evaporated liquid, and an area outside the liquid reservoir heated by the heater (9) which is not directly in connection with the liquid. The first porous element and the second porous element are in contact in contact areas with the first porous element forming a wick delivering liquid from the reservoir to the contact area.

Abstract: A dispensing element of an anesthetic vaporizer is provided that can be manufactured in a simple manner and makes it possible to dispense anesthetic over a broad setting range. The dispensing element (11) includes two, longitudinally extending dispensing channels (14, 15), which are connected to one another in terms of flow by means of a connection channel (16). The gas flows from one of the dispensing channels (14) into the other dispensing channel (15) via the connection channel (16).

Abstract: A method for determining the consumption of a CO2 absorber (8) in a respirator with a rebreathing system, with a fresh gas mixer (1) and with a computing and control unit (10). The rebreathing system has a respiration drive (2), a volume flow sensor (3) located in the inspiratory branch, a CO2 absorber (8) located in the expiratory branch, whose output, combined with that of the fresh gas mixer (1), is fed into the inspiratory branch, a breathing gas escape valve (7) and a breathing gas reservoir (9). The computing and control unit (10) is connected to the fresh gas mixer (1), to the respiration drive (2) and to the volume flow sensor (3) in order to receive signals and send control commands. The fresh gas volume flow FG discharged from the fresh gas mixer (1) and the inspiration volume flow I flowing into the inspiratory branch are determined in the method in the computing and control unit (10).

Abstract: A process and device for metering different solutions is provided with which a high rate of repetition of drugs to be metered is possible. To accomplish the object, provisions are made for taking fluid volumes in the range of 50 nL to 50 ?L from a fluid source (2, 3, 4, 5) in rapid succession in time according to the time multiplex method and for introducing them into a collecting channel (10) without mixing.

Abstract: A process for monitoring a patient by a monitoring device is provided in which simplified monitoring of the patient can be carried out on the basis of a suitable selection of the parameter values and/or ranges displayed in a special manner. A suitable device (1) is provided for carrying out the process.

Abstract: A device for passive pressure relief and for reducing the volume flow for an electromechanically driven medical gas delivery means (50) in a medical device for respirating a patient (60) with a pressure relief unit (1) with a first and second gas port (2, 3), with a relief valve (4), with a pressure relief outlet (8) with an equalization space (9) and with a nonreturn valve (11) and a valve disk (5), which is arranged in the relief valve (4) and is maintained in a position relative to a valve seat (7) via a bellows (60. The surfaces (51, 52) facing the first and second gas ports (2, 3) have different areas, so that the relief valve (4) opens as soon as an operating pressure (23) at the first gas port (2) exceeds a prevailing (stored) pressure level (24) in the equalization space (9).

Abstract: A medical system with a medical device and with a supply unit. The supply unit is designed to be separably connected to the medical device and to supply the medical device with electric energy without interruption. The medical system has an isolating transformer and a changeover device, wherein the changeover device is connected to the isolating transformer and to the medical device and is designed to connect the medical device or the supply unit to an electric supply network via the isolating transformer as desired.

Abstract: An evaporator defines an evaporator volume, and boils the liquid inside evaporator volume. A mixing chamber is in communication with the evaporator volume and mixes the vapor or moisture from the liquid in the evaporator with the breathing gas of the patient. The mixing chamber is a separate structure than the evaporator. The mixing chamber and the evaporator are connected by a first connection that is repetitively connectable and disconnectable without significant destruction of a respective connection. A heater is arranged outside of the evaporator and in a heat conducting connection with the evaporator. The heater is a separate structure than the evaporator. The evaporator and the heater are connected by a second connection that is repetitively connectable and disconnectable. A liquid storage tank is in communication with the evaporator and supplies a liquid to the evaporator through a flow channel. The liquid storage tank is larger than the evaporator.

Abstract: A device with a water trap. The device has a gas sensor and is designed to send a gas sample flow through the water trap (2) and to feed it to the gas sensor (3). The water trap (2) is designed to be separably connected to the device. The device has a mount for connection to the water trap. The water trap (2) has a radio frequency marking (5). The device has a radio frequency detection device (6) with a detection area (7) for the radio frequency marking, which is designed to detect the radio frequency marking in the detection area and to generate a marking signal, which represents marking information of the radio frequency marking. The device is designed to be controlled as a function of the marking signal.

Abstract: An electroimpedance tomograph with a plurality of electrodes (1) is provided, which can be placed on the body of a patient and are connected via a selector switch (60) with a control and evaluating unit (20). The control and evaluating unit (20) cooperates with the selector switch (60) such that two electrodes each are supplied with an alternating current from an AC power source (22) and the detected analog voltage signals of the other electrodes are processed in order to reconstruct therefrom the impedance distribution of the body in the plane of the electrodes, wherein a symmetrical AC power source is used to reduce common-mode signals.

Abstract: A connection head for an absorber (4) of an anesthetic breathing system has a simple design and can be easily taken apart. A valve device (2) is inserted into a guide sleeve (7), which is open towards the absorber (4). A sealing ring (16), which has two sealing areas (23, 24) and fixes the valve means (2) within the guide sleeve (7), is arranged on the underside of the guide sleeve (7).