Abstract: The invention relates to a method for disinfecting surfaces comprising providing an active solution comprising the reactants H2O2 and NO2-, wherein the active solution comprises at least one stopping agent, wherein the stopping agent is a solvent having a boiling temperature below 100° C. Furthermore, the invention relates to a device for the application of this process.

Abstract: The invention relates to a device (10) for generating a plasma jet (P) comprising a first conduit (11) inside a second conduit (12), a first electrode (17) and a second electrode (18) for generating an electric field in a feed gas flow (F) provided in a first flow channel (15) to generate a plasma jet (P), and adapted to provide a curtain gas flow (C) in the space between the first and second conduit (11,12), wherein the first electrode (17) is positioned radially outside of the first flow channel (15), and wherein the radial distance of the second electrode (18) from a longitudinal axis (I) is larger than the radial distance of the first electrode (17) from said longitudinal axis (1). The invention further relates to an endoscope comprising a device (10), a method for generating a plasma jet (P), a method and a use of the device (10) for manipulating a cavity.

Abstract: The invention relates to a disinfection process comprising the feed materials H2O2 and NO2? and a mixing step and a distribution step, wherein the mixing step and the distribution step (during which each point on the surface being disinfected is wetted with a solution of active substance) are implemented during a processing period ZA. An exposure step follows, in which the distributed solution of active substance acts upon the surface in contact with the solution of active substance during an exposure period ZE. In this process, the maximum NO2? concentration during the mixing step is of 300 mM, and the time-integrated reaction rate W is represented during the exposure period ZE by the integral formula (I), where k1 denotes the pH-value-dependent speed constant of the reaction between H2O2 and NO2? and the pH value of the solution of active substance before it contacts the surface being disinfected lies in the range of 2.1?pH?6.8.

Abstract: A modular plasma jet treatment system comprising a plasma source with a high-voltage module comprising a high-voltage electrode and first connection means, as well as a plasma jet applicator wherein the plasma jet applicator comprises a cavity for a process gas, wherein a ceiling portion of the cavity is either arranged on the plasma jet applicator and/or on the high-voltage module, the cavity comprising a process gas inlet and at least one plasma jet outlet, wherein the plasma jet applicator comprises a second connection means, such that the plasma jet applicator and the high-voltage module are repeatedly connectable and releasable, wherein, when the plasma jet applicator is connected to the high-voltage module, the cavity is adjacently arranged with the ceiling portion at the high-voltage module, and wherein the cavity is separated by a dielectric from the high-voltage electrode of the high-voltage module.

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 disinfection process comprising the feed materials H2O2 and NO2? and a mixing step and a distribution step, wherein the mixing step and the distribution step (during which each point on the surface being disinfected is wetted with a solution of active substance) are implemented during a processing period ZA. An exposure step follows, in which the distributed solution of active substance acts upon the surface in contact with the solution of active substance during an exposure period ZE. In this process, the maximum NO2? concentration during the mixing step is of 300 mM, and the time-integrated reaction rate W is represented during the exposure period ZE by the integral formula (I), where k1 denotes the pH-value-dependent speed constant of the reaction between H2O2 and NO2? and the pH value of the solution of active substance before it contacts the surface being disinfected lies in the range of 2.1?pH?6.8.

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 generating a plasma jet (P) comprising a first conduit (11) inside a second conduit (12), a first electrode (17) and a second electrode (18) for generating an electric field in a feed gas flow (F) provided in a first flow channel (15) to generate a plasma jet (P), and adapted to provide a curtain gas flow (C) in the space between the first and second conduit (11,12), wherein the first electrode (17) is positioned radially outside of the first flow channel (15), and wherein the radial distance of the second electrode (18) from a longitudinal axis (I) is larger than the radial distance of the first electrode (17) from said longitudinal axis (I). The invention further relates to an endoscope comprising a device (10), a method for generating a plasma jet (P), a method and a use of the device (10) for manipulating a cavity.

Abstract: The invention relates to a modular plasma jet treatment system (1), particularly for therapeutic or oral applications, comprising a plasma source (2) with least the following components; a high-voltage module (20) comprising a high-voltage electrode (21) and first connection means, a plasma jet applicator (30) configured to generate at least one plasma jet (35), wherein the plasma jet applicator (30) comprises a cavity (31) for a process gas (100), wherein a ceiling portion (32) of the cavity (31) is either arranged on the plasma jet applicator (30) and/or on the high-voltage module (20), the cavity (31) comprising a process gas inlet (33) and at least one plasma jet outlet (34), wherein the plasma jet applicator (30) comprises a second connection means, wherein the first and second connection means are configured such that the plasma jet applicator (30) and the high-voltage module (20) are repeatedly connectable and releasable, wherein, when the plasma jet applicator (30) is connected to the high-voltage mod

Abstract: A device and method for generating a physical plasma in hoses of long and simultaneously constricted lumen, flexible or rigid dielectric hoses, tubes or other hollow bodies in the low, normal or overpressure range, which are partially or completely filled or flushed by process medium of gas or gas mixtures, one or more liquids, liquids including gas bubbles, liquid-gas mixtures, aerosols and/or foam, for purposes of cleaning, activating, coating, modifying and biologically decontaminating, disinfecting, sterilizing the inner walls of the hoses or the process medium itself. The device includes a high voltage supply and a process medium supply, at least one electrically conductive grounded electrode and at least one electrically conductive high voltage electrode, both embedded in the wall of the hose.

Abstract: A device and method for generating a physical plasma in hoses of long and simultaneously constricted lumen, flexible or rigid dielectric hoses, tubes or other hollow bodies in the low, normal or overpressure range, which are partially or completely filled or flushed by process medium of gas or gas mixtures, one or more liquids, liquids including gas bubbles, liquid-gas mixtures, aerosols and/or foam, for purposes of cleaning, activating, coating, modifying and biologically decontaminating, disinfecting, sterilizing the inner walls of the hoses or the process medium itself. The device includes a high voltage supply and a process medium supply, at least one electrically conductive grounded electrode and at least one electrically conductive high voltage electrode, both embedded in the wall of the hose.