The present disclosure relates to a plasma device for alleviation of various skin troubles or for skin care, and provides a remote type plasma device wherein a plasma spray device is separated from the body thereof and is connected to a controller in the body. Plasma is produced under atmospheric pressure at room temperature. The plasma device of the present disclosure includes a dielectric barrier and thus can maintain stable glow discharge. Atmospheric plasma is unexceptionally sprayed through a ground electrode, and thus does not electrically irritate the skin at all.

A membrane plate assembly is disclosed for use with a cold atmospheric plasma applicator to expose a medium to plasma beams from the plasma applicator. The membrane plate assembly includes a membrane plate stack configured to receive the plasma beams from the plasma applicator. The membrane plate stack includes a plurality of membrane-covered structures facing each other in a generally parallel arrangement and being spaced apart to define a channel therebetween through which the plasma beams are directed. Each membrane-covered structure includes a structure and a membrane covering outer surfaces of the structure with a gap therebetween through which the medium is flowed.

A cold plasma device generates cold plasma to treat an area of a biological surface. The device includes an array of cold plasma generators associated with a substrate. Each of the cold plasma generators has an electrode and a dielectric barrier. The dielectric barrier has a first side that faces the electrode and a second side that faces away from the electrode. A controller is operably coupled to the array of cold plasma generators and is programmed to control each of the cold plasma generators to generate a plasma dose.

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.

A system for generating cold plasma is presented, suitable for use in in-vivo treatment of biological tissue. The system comprising: a control unit connectable to an elongated member at a first proximal end of the elongated member. The elongated member comprises a plasma generating unit at a second distal end thereof and gas and electricity transmission channels extending from said first proximal end towards said plasma generating unit. The control unit comprises a gas supply unit configured to provide predetermined flow rate of selected gas composition through said gas transmission channel and a power supply unit configured to generate selected sequence of high-frequency electrical pulses, typically in mega Hertz range, directed through said electricity transmission channel, thereby providing power and gas of said selected composition to the plasma generating unit for generating cold plasma.

The invention relates to a treatment device for dielectric harrier discharge plasma treatment of a wound surface or skin surface, having: a flexible, planar electrode assembly with at least one planar electrode (6, 6′) and a dielectric layer (5) which at least partially embeds the at least one electrode (6, 6′), has a contact side (7) facing the wound surface or skin surface and electrically shields the planar electrode (6, 6′) from the wound surface or skin surface such that only a dielectric barrier current can flow from the electrode (6, 6′) to the wound surface or skin surface; and a control device (2) which has a separate housing (25) and via which the electrode (6, 6′) can he connected to an operating voltage. The treatment device allows simpler wound treatment in that the assembly of electrode (6, 6′) and dielectric layer (5) is designed for uninterrupted contact with the wound surface or skin surface and that the housing (25) of the control device (2) can be fastened with a fastening device (3, 3′) to the body having the wound surface or skin surface.

The disclosure relates to a flexible active species generator comprising: a first electrode of a conductive metal thin film; a second electrode of a ground electrode; a flexible dielectric layer of an insulator formed between the first electrode and the second electrode; and a plasma resistant functional layer formed between the dielectric layer and the second electrode, wherein the first electrode and the second electrode are electrically connected to an external power supply to generate an atmospheric pressure plasma to generate active species. The flexible active species generator has a plasma resistant function to prevent deformation and decomposition of an insulator caused by the plasma as well as an active species generating function from atmospheric pressure plasma, and has durability and safety, which is thus applicable to articles, foods, garments and human body in various forms.

The invention relates to an apparatus for the treatment of a biological surface using atmospheric-pressure plasma, comprising: a device for generating atmospheric-pressure plasma (DGP), and a control device (DC) configured to control an amount of plasma generated by said plasma generation device (DGP) within a given time period and to limit generation of the plasma by said plasma generation device (DGP) so that the amount of plasma generated over the given time period does not exceed a maximum threshold.

A plasma coating device for treating a wound comprises a plasma chamber having: one or more electrodes, a gas supply inlet, a plasma outlet exposed to ambient pressure, and an ignition system operatively connected to the electrodes for providing a non-thermal equilibrium plasma within the plasma chamber. An aerosol delivery system is operable to introduce a bioresorbable material as an aerosol into the plasma, to produce a coating on the wound surface.

The invention relates to an electrode array for a dielectrically impeded plasma treatment of a surface of an electrically conductive body used as a counter electrode, comprising a flexible planar electrode (1) and a dielectric (2) of a planar flexible material, which by way of a layer (3) preventing a direct current flow shields the electrode (1) from the surface to be treated. By way of a structure having projections, the dielectric (2) can rest upon the surface to be treated, wherein air spaces for forming the plasma are formed in between the projections. The producibility in particular is improved in that the structure is a lattice structure (6) of adjoining walls (7, 8) that limit a plurality of chambers (9) forming the air spaces, and in that the chambers (9) have a bottom-side closure through the layer (3) of the dielectric (2) preventing the direct current flow and have a face that is open to the surface to be treated, the contact surface of which face consists of end edges (10) of the walls (7, 8) of the lattice structure (6) on the surface to be treated.