The present disclosure provides a neutron capture therapy system. The neutron capture therapy system includes an accelerator, the accelerator generates a charged particle beam; a neutron generator, the neutron generator generates a neutron beam after being irradiated by the charged particle beam; a beam shaping assembly, the beam shaping assembly includes a moderator and a reflector surrounds around the outer periphery of the moderator, the moderator moderates the neutrons generated by the neutron generator to a preset spectrum, and the reflector leads the deflected neutrons back to increase the neutron intensity within the preset spectrum; and a collimator, the collimator concentrates the neutrons generated by the neutron generator; the spectrum of the neutron beam is changed by changing the spectrum of the charged particle beam.

An electrode arrangement for forming a dielectric barrier plasma discharge between a flat surface (4) of the electrode arrangement and a surface to be treated which functions as a counter surface and on which a fluid can collect, comprising a flat electrode (14) which can be connected to a high-voltage source by means of a connector and which is completely embedded in a flat dielectric (2), except for the connector for the high-voltage source, wherein the dielectric (2) forms an upper surface (1) and a lower surface (4) which appears as a flat surface to the surface to be treated, enables the drainage or supply of a fluid by means of a simple design. The flat electrode (14) has through openings (15) distributed across the surface thereof, and the dielectric (2) is provided with through openings (3) which extend from the lower surface (4) to the upper surface (1) and which align with the through openings (15) of the electrode (14) and which have smaller dimensions than the through openings (15) of the electrode (14), so that the dielectric (2) is also completely covered in the region of the through openings (15) of the electrode (14).

A plasma generation device and/or a plurality of plasma generation modules are provided. Responsive to a first plasma generation module of the plurality of plasma generation modules being attached to the plasma generation device, the plasma generation device is configured to supply a first voltage to a first electrode of the first plasma generation module and conduct process gas from a tank to the first plasma generation module in order to generate a first type of plasma at the first plasma generation module. Alternatively and/or additionally, responsive to a second plasma generation module of the plurality of plasma generation modules being attached to the plasma generation device, the plasma generation device is configured to supply a second voltage to a second electrode of the second plasma generation module in order to generate a second type of plasma at the second plasma generation module.

A plasma system is disclosed. The plasma system includes a plasma instrument having an elongated body defining a lumen therethrough and a first electrode and a second electrode; an ionizable media source in fluid communication with the lumen and configured to supply ionizable media thereto; and a variable frequency energy source adapted to be coupled to the first and second electrodes and configured to supply energy to the first and second electrodes sufficient to ignite ionizable media supplied by the ionizable media source to generate a plasma influent, wherein a frequency of the energy is adjustable to modify at least one property of the plasma effluent.

A particle therapy system in which the efficiency of extracting a beam from a synchrotron can be improved and time required for therapy can be shortened is provided. The synchrotron 10 of the particle therapy system 100 extracts a charged particle beam, which circulates in the synchrotron 10, out of the synchrotron 10 by means of a slow extraction method using the resonance of a betatron oscillation, and magnetic poles 73 included in a bending magnet 12 of the synchrotron 10 have a SIM structure that generates a magnetic field distribution that makes the horizontal tune of the charged particle more closely approach a resonant line used in the slow extraction method as the amplitude of the horizontal betatron oscillation of a charged particle included in the charged particle beam becomes larger.

The present application relates to a cold plasma device (13) for treating a surface (6) with cold plasma. The device (13) has a cold plasma generator (14) adapted to generate cold plasma that produces reactive species for treating the surface (6). The device (13) also includes a treatment head (5) that is positionable relative to the surface (6) such that the reactive species are imparted toward the surface (6) during treatment. The device (13) is also provided with an air flow generator (8) to generate an air flow over the surface (6) and a controller (9) configured to control operation of the air flow generator (8) to generate an air flow over the surface (6) after the treatment has been completed such that remaining by-products of the cold plasma are dissipated.

A plasma torch having an open end from which a plasma plume is emitted in use is disclosed. The plasma torch comprises a central cathode rod and a grounded conductive tube. The grounded conductive tube has an open end and is arranged around the cathode and spaced therefrom to form a first cylindrical cavity open at one end. In use, an arc discharge between the cathode and grounded conductive tube ionizes a feed gas to produce a central thermal plasma emitted from the open end of the first cavity. The central cathode rod also comprises a tapered end which causes the location of the arc discharge on the central cathode rod to be, in use, fixed at the tapered end of the cathode. The grounded conductive tube also comprises a lip which helps to control the energy distribution of the plasma plume emitted. Advantages of the present invention may be that the grounded conductive tube is interchangeable, thus a variety of lip geometries, and hence a variety of energy distributions, may be implemented, which may allow the plasma torch to be used in a much wider range of treatments.

A plasma torch having an open end from which a plume of plasma or plasma effluent, for use in therapeutic treatment of tissue in vivo, preferably skin and/or wounds, is emitted in use. The plasma torch comprising: a cathode rod; and a grounded conductive tube having at least one opening and being arranged around the cathode and spaced therefrom to form a cavity in which, in use, an arc discharge between the cathode and grounded conductor ionizes a feed gas to produce a thermal plasma, the plasma or effluent being emitted in a plume from the opening of the grounded conductor. The opening of the grounded conductor tube comprises a lip, the inwardly facing surface of which defining an orifice, the orifice having a length to an opening width ratio of at least 2.5:1.

A plasma system is disclosed. The plasma system includes a plasma instrument having an elongated body defining a lumen therethrough and a first electrode and a second electrode; an ionizable media source in fluid communication with the lumen and configured to supply ionizable media thereto; and a variable frequency energy source adapted to be coupled to the first and second electrodes and configured to supply energy to the first and second electrodes sufficient to ignite ionizable media supplied by the ionizable media source to generate a plasma influent, wherein a frequency of the energy is adjustable to modify at least one property of the plasma effluent.

Solutions having a solvent and a cold atmospheric plasma dissolved in the solvent are described. Methods and systems of forming cold atmospheric plasma (CAP)-containing solutions are also described. A system for producing (CAP)-containing solutions includes a gas source; a plasma generating device having a hollow body fluidically coupled with the gas source, a closed proximal end and an open distal end, the hollow body receiving gas from the gas source, and at least one electrode in or about the hollow body and ionizing the gas to discharge a cold atmospheric plasma (CAP) from the open distal end; and a container for housing a fluid, the open distal end of the plasma generating device in fluid communication with an inner portion of the container. CAP-containing solutions can be used in treatment of cancer cells, infected tissue sterilization, microorganism inactivation, promotion of wound healing, skin regeneration, and blood coagulation, and teeth bleaching/whitening.