Provided is an inhalation gas device for a therapy of a disease accompanied by epileptiform discharges comprising a medical gas bottle, and a medical inhalation gas device connected to the medical gas bottle, the inhalation gas device for a therapy of a disease accompanied by epileptiform discharges including the following 1) and 2): 1) a therapeutic agent for a disease accompanied by epileptiform discharges containing carbon dioxide as an active ingredient being filled in the medical gas bottle; and 2) the medical inhalation gas device being provided with a gas inhalation mask.

An apparatus and method for assessing vascular compliance in subjects with multiple sclerosis using sequential gas delivery is provided. The apparatus includes a gas delivery device and a processor. The processor controls the gas delivery device to deliver a first and second gas during a single inspiration. The first gas contains a mixture of oxygen and carbon dioxide necessary to target an end-tidal concentration of the two gases. The second gas includes a concentration of carbon dioxide equal to the target end-tidal concentration of carbon dioxide.

Systems and methods for sensing inhalational anesthetic agents. A flow sensor is positioned in fluid communication with an anesthesia breathing circuit and is used to produce a measurement signal indicative of the concentration of a gaseous anesthetic agent within the breathing circuit. Optionally, a reflector assembly can be provided to capture gaseous anesthetic agent that exits the breathing circuit and to return the captured anesthetic agent to the breathing circuit.

The invention relates to methods and devices for training persons by breathing in hypoxic and hyperoxic gas mixtures by means of a device on the order of a ReOxy or CellAir One device, in particular by elderly persons and especially particularly persons with dementia. The cognitive functions are assessed by means of the Dementia Detection Test (DemTec) and Sunderland Clock Drawing Test (CDT); the functional exercise capacity is ascertained for instance by means of a 6-minute walk test (6MWT).

The function of a respiration system, with a patient port (1) with connected inspiration branch (3) and expiration branch, is checked. A rebreathing line (9) connects the inspiration branch to the expiration branch. A reservoir (25) is connected to a reservoir port (27) in the rebreathing line. An actuatable control valve (29) is provided in the rebreathing line between the expiration branch and the reservoir port. A pressure sensor (33) is connected to the rebreathing line. A control unit (39) is connected to the control valve and to pressure sensor. The process includes closing the control valve for a preset inspiration time and opening it for a preset expiration time. The value sent by the pressure sensor is detected with the control valve opened during the expiration time and compared with a preset first threshold valve. An error message is generated when the value sent exceeds the first threshold value.

The invention relates to a method for anaesthetizing animals before slaughter, by the anaesthetic action of gases or gas mixtures, method operating in batch mode in which the live animals, preferably put together in one or more cages, are placed in a lock chamber for treatment where the animals are brought into contact with anaesthetic gas, following a cycle comprising several steps characterized by different contents of anaesthetic gas, characterized in that at least one of the steps is carried out using gas recovered from the lock chamber and stored in at least one capacity (2, No. 1, No. 2 etc.) for temporary storage having a variable volume.

A control system provides automated control of gas washout of a patient interface, such as a mask or nasal prongs. A gas washout vent assembly of the system may include a variable exhaust area such as one defined by overlapping apertures of the assembly or a conduit having a variable gas passage channel. The vent assembly may be formed by nested structures, such as conic or cylindrical members, each having an opening of the overlapping apertures. The vent assembly may be attached substantially near or included with the patient interface. An actuator of the assembly, such as a solenoid or voice coil, manipulates an aperture of the vent assembly. The actuator may be configured for control by a controller to change the exhaust area of the vent assembly based on various methodologies including, for example, sleep detection, disordered breathing event detection, rebreathing volume calculation and/or leak detection.

The invention relates to a device for performing respiratory training, in particular altitude training, comprising a mouthpiece (1) through which a person can exhale respiratory gas into a volume (2, 3a, 7) or can inhale it out of the volume (2, 3a, 7), wherein this volume (2, 3a, 7) is formed at least in part by a container (2) which is adjustable in terms of its volume and which is connected to the mouthpiece, wherein the volume (2, 3a, 7) adjoins one side of at least one gas-permeable membrane (4), to the other side of which at least one gas exchange chamber (3b) is connected, through which a fluid provided for the gas exchange, in particular CO.sub.2 and/or O.sub.2 gas exchange, can actively flow. Furthermore, the invention also relates to a method for performing respiratory training, in particular altitude training, wherein a person exhales into a training device through a mouthpiece (1) and inhales from this training device, wherein the O.sub.2 and/or CO.sub.2 partial pressure in the respiratory gas inhaled from the device is influenced by exchange of O.sub.2 and/or CO.sub.2 between the respiratory gas in the training device and a fluid provided for the gas exchange through at least one gas-permeable membrane (4).

A comfortable device for treating sleep apnea incorporates a mask, a flexible hose and a chamber for collecting expired air containing CO.sub.2. A sensor detects apnea and a control system automatically adjusts the amount of rebreathed CO.sub.2 to minimize apnea and also minimize arousal.

The present invention pertains to a system, method, and device for treating sleep disorders. The present invention is particularly useful in the delivery of carbon dioxide (CO2) to a subject and in the treatment of sleep apnea. Furthermore, integration of components with various sensors and apparatuses associated therewith and attached thereto preferably complete a rebreathing circuit in the present invention. In various embodiments of the present invention where the above components are integrated as a rebreathing circuit, a subject is both the source and recipient of a controlled concentration of carbon dioxide. In such embodiments, treatment of sleep disorders becomes much more efficient and effective.