Abstract: The invention relates to a device (1) for plasma-induced decomposition of alkanes, particularly of methane, into carbon and hydrogen, comprising: a cyclone separator (2) comprising a process chamber (3) extending about a vertical axis (H) and comprising at least one gas inlet (4) designed such that introduced alkane-containing gas circulates about the vertical axis (H) of the process chamber (3), as well as a plasma device (5) formed such that alkane contained in the alkane-containing gas is decomposed in a plasma region (6) of the process chamber (3) by means of plasma (7) into a gas comprising carbon and hydrogen, so that resublimation of the carbon to carbon particles is achieved, wherein the carbon particles are separable from the gas by means of the cyclone separator (2) and the plasma region (6) is located exclusively off the vertical axis (H). The invention further relates to respective method.

Abstract: The invention relates to a device for producing a cold atmospheric pressure plasma for the treatment of human and/or animal surfaces, comprising a flexible, planar multilayer system with a side facing the surface to be treated and a side facing away from the surface to be treated, wherein the multilayer system comprises the following layers, namely a first electrode layer on the facing away side of the multilayer system, second electrode layer on the facing side of the multilayer system, wherein the electrode layer has a plurality of recesses or is formed in a grid-like or meander-shaped fashion, a dielectric layer arranged between the first electrode layer and the second electrode layer, and a spacer layer arranged adjacent the second electrode layer on the facing side of the multilayer system. In addition, the invention relates to a cable, a generator unit for providing a high voltage, and a system.

Abstract: The disclosure relates to a device for treatment of skin, mucous membranes or body parts with a cold atmospheric pressure plasma by generating a dielectric barrier surface discharge, including a flexible insulating material, a flexible high-voltage electrode, a flexible dielectric, a flexible grounded electrode, a gas supply, wherein the flexible high-voltage electrode is embedded between the flexible insulating material and the flexible dielectric, wherein the grounded electrode is applied on a surface of the flexible dielectric that is configured to face a curved surface of a body part to be treated, wherein the flexible high-voltage electrode, the flexible dielectric and the flexible grounded electrode of the device form a flexible layered arrangement for providing the cold atmospheric pressure plasma, wherein the arrangement forms a hollow spherical body with a closed volume and wherein a plasma can be ignited for treating the curved surface with the cold atmospheric pressure plasma.

Abstract: The invention relates to a device (10) for treating a liquid with a plasma, wherein the device (10) has a high-voltage electrode (20) as well as a liquid-permeable ground electrode device (30). The ground electrode device (30) has a flat, conductive region (32) and a porous region (34) arranged on the flat, conductive region (32), wherein the conductive region (32) is liquid-permeable along its flat extension. A discharge space (40) is formed between the ground electrode device (30) and the high-voltage electrode (20). A first dielectric (50) is arranged on the high-voltage electrode (20) so that a plasma can be generated in the discharge space (40) by means of a dielectric barrier discharge. Moreover, the device (10) has an initial flow volume (60) into which the liquid (12) can be conducted, and that is surrounded by a wall (62).

Abstract: The invention relates to a device (10) for treating a liquid with a plasma, wherein the device (10) has a high-voltage electrode (20) as well as a liquid-permeable ground electrode device (30). The ground electrode device (30) has a flat, conductive region (32) and a porous region (34) arranged on the flat, conductive region (32), wherein the conductive region (32) is liquid-permeable along its flat extension. A discharge space (40) is formed between the ground electrode device (30) and the high-voltage electrode (20). A first dielectric (50) is arranged on the high-voltage electrode (20) so that a plasma can be generated in the discharge space (40) by means of a dielectric barrier discharge. Moreover, the device (10) has an initial flow volume (60) into which the liquid (12) can be conducted, and that is surrounded by a wall (62).

Abstract: The invention relates to a device for the treatment of free-form areas and zones of human or animal skin areas or plant surfaces by means of cold atmospheric-pressure plasma. The core of the device is a specific, preferably gas-permeable, electrode arrangement for generating a dielectrically impeded surface discharge where the earthed electrode is composed of electrically conductive textile material and the high-voltage electrode consists of a thin wire or electrically conductive thread which is sheathed with an insulting layer which has to meet specific requirements. On the basis of the present invention, it is possible to generate, in the area of diseased skin parts of the human body, in direct proximity to the skin surface or to wounds, a flat plasma for the treatment of the diseased areas which is acceptable in respect of the stress on the skin caused by temperature and electric potentials.

Abstract: The invention relates to a device, preferably a collar, for treating areas of human or animal skin or mucous membrane with a cold atmospheric pressure plasma by creating a dielectrically hindered surface discharge, comprising at least one flexible insulating material (1), a flexible high-voltage electrode (2), a flexible dielectric (3), a flexible grounded electrode (4) and a gas supply (7), characterized in that the flexible high-voltage electrode (2) is embedded in the insulating elastomer (3), having the effect of a dielectric, and the grounded electrode (4) is applied to the elastomer surface facing the surface to be treated.

Abstract: A device for generating plasma (1) comprises a high voltage electrode (10) as well as at least one external electrode (11, 12), wherein the high voltage electrode (10) at least in one coordinate direction (34) is arranged between conductive material of at least one external electrode (11, 12). The high voltage electrode (10) is covered with a dielectric (21) at least one side facing an external electrode (11, 12). Between the respective external electrode (11, 12) and the high voltage electrode (10) over its longitudinal extension at least one spacer element (20) is present, which at least in the region of its arrangement electrically insulates the respective external electrode (11,12) from the high voltage electrode (10) and which positions the respective external electrode (11, 12) at a constant distance from the high voltage electrode (10), wherein the spacer element is a gas-permeable foil.

Abstract: The invention relates to a device, preferably a collar, for treating areas of human or animal skin or mucous membrane with a cold atmospheric pressure plasma by creating a dielectrically hindered surface discharge, comprising at least one flexible insulating material (1), a flexible high-voltage electrode (2), a flexible dielectric (3), a flexible grounded electrode (4) and a gas supply (7), characterized in that the flexible high-voltage electrode (2) is embedded in the insulating elastomer (3), having the effect of a dielectric, and the grounded electrode (4) is applied to the elastomer surface facing the surface to be treated.

Abstract: The invention relates to a system for treating surfaces of bodies, in particular a vacuum dressing, comprising at least one connection means (5a) for the fluidic attachment of a negative-pressure generator for generating negative pressure in a space that can be positioned on the surface of a body, and at least one means for plasma generation (8, 8a, 15) by which the space in which negative pressure can be generated can be at least partly filled with plasma or a plasma-activated medium. The device according to the invention is particularly suitable for the combined negative pressure and plasma treatment of a wound.

Abstract: The invention relates to a device for producing a cold atmospheric pressure plasma for the treatment of human and/or animal surfaces, comprising a flexible, planar multilayer system with a side facing the surface to be treated and a side facing away from the surface to be treated, wherein the multilayer system comprises the following layers, namely a first electrode layer on the facing away side of the multilayer system, second electrode layer on the facing side of the multilayer system, wherein the electrode layer has a plurality of recesses or is formed in a grid-like or meander-shaped fashion, a dielectric layer arranged between the first electrode layer and the second electrode layer, and a spacer layer arranged adjacent the second electrode layer on the facing side of the multilayer system. In addition, the invention relates to a cable, a generator unit for providing a high voltage, and a system.

Abstract: A device for generating plasma (1) comprises a high voltage electrode (10) as well as at least one external electrode (11, 12), wherein the high voltage electrode (10) at least in one coordinate direction (34) is arranged between conductive material of at least one external electrode (11, 12). The high voltage electrode (10) is covered with a dielectric (21) at least one side facing an external electrode (11, 12). Between the respective external electrode (11, 12) and the high voltage electrode (10) over its longitudinal extension at least one spacer element (20) is present, which at least in the region of its arrangement electrically insulates the respective external electrode (11,12) from the high voltage electrode (10) and which positions the respective external electrode (11, 12) at a constant distance from the high voltage electrode (10), wherein the spacer element is a gas-permeable foil.

Abstract: The invention relates to a device, preferably a collar, for treating areas of human or animal skin or mucous membrane with a cold atmospheric pressure plasma by creating a dielectrically hindered surface discharge, comprising at least one flexible insulating material (1), a flexible high-voltage electrode (2), a flexible dielectric (3), a flexible grounded electrode (4) and a gas supply (7), characterized in that the flexible high-voltage electrode (2) is embedded in the insulating elastomer (3), having the effect of a dielectric, and the grounded electrode (4) is applied to the elastomer surface facing the surface to be treated.

Abstract: The invention relates to a device for the treatment of free-form areas and zones of human or animal skin areas or plant surfaces by means of cold atmospheric-pressure plasma. The core of the device is a specific, preferably gas-permeable, electrode arrangement for generating a dielectrically impeded surface discharge where the earthed electrode is composed of electrically conductive textile material and the high-voltage electrode consists of a thin wire or electrically conductive thread which is sheathed with an insulting layer which has to meet specific requirements. On the basis of the present invention, it is possible to generate, in the area of diseased skin parts of the human body, in direct proximity to the skin surface or to wounds, a flat plasma for the treatment of the diseased areas which is acceptable in respect of the stress on the skin caused by temperature and electric potentials.

Abstract: The invention relates to a special plasma source designated as a plasma intractor (PI) for producing a cold, homogeneous plasma under atmospheric pressure conditions, which plasma source can be used advantageously to excite and control reactive processes in flowing media. The device according to the invention is characterized in that the device comprises at least 6 elongated electrodes (2) and a molded body (1) made of insulating material, the molded body (1) being provided with an elongated cylindrical cavity (7) and with additional holes, which are guided parallel to the cavity (7) and arranged symmetrical to the axis of the cavity and equidistant to one another, and the electrodes (2) are embedded in holes of the molded body (1) and are connected to an AC high-voltage supply in such a way that the polarities of respective adjacent electrodes are opposite in each phase of the voltage period.

Abstract: The invention relates to a device, preferably a collar, for treating areas of human or animal skin or mucous membrane with a cold atmospheric pressure plasma by creating a dielectrically hindered surface discharge, comprising at least one flexible insulating material (1), a flexible high-voltage electrode (2), a flexible dielectric (3), a flexible grounded electrode (4) and a gas supply (7), characterized in that the flexible high-voltage electrode (2) is embedded in the insulating elastomer (3), having the effect of a dielectric, and the grounded electrode (4) is applied to the elastomer surface facing the surface to be treated.