Abstract: Provided is an oral pharmaceutical composition characterized by containing a medicinal ingredient (A), a hydrophobic liquid (B), a water-soluble macromolecular substance (C), and an excipient (D), but not containing a surfactant, wherein: the medicinal ingredient (A) is included in the hydrophobic liquid (B); and the hydrophobic liquid (B) is dispersed in a composition including the water-soluble macromolecular substance (C) and the excipient (D). The oral pharmaceutical composition: allows easy dose-adjustment; has excellent dosability and safety; is biologically equivalent to a standard formulation having established profiles regarding efficacy, safety, etc.; and can be easily produced.

Abstract: An optical treatment apparatus includes: a power source unit; a light irradiation module, that irradiates an affected part with light; a spacer that is positioned between the light irradiation module and the affected part; a fixing material that applies pressure to the light irradiation module and fixes the light irradiation module at an installation position; and a shielding material that covers the light irradiation module, in which, in a case where the pressure applied by the fixing material becomes lower than predetermined pressure, supply of current is stopped.

Abstract: The present invention includes: a front-side positive trace (2P) disposed on a flexible substrate (5); a positive external connection line (12P) connected to the front-side positive trace (2P) to supply electric power; and LED chips (4) provided to the flexible substrate (5) and connected to the front-side positive trace (2P), wherein an electric resistance between the positive external connection line (12P) and one of the LED chips (4) which is farthest from the positive external connection line (12P) is less than an internal resistance of the one of the LED chips (4).

Abstract: A burden on a patient in light irradiation therapy is reduced, and treatment that is safe and takes reduced effort is enabled. A hook surface fastener that holds a cooling material of a light irradiating module so that the cooling material is in contact with the light irradiating module is provided on a rear surface of a band and a device pocket that holds a device performing at least one of power supply to and control of the light irradiating module is provided on a front surface of the band so as not to overlap with the hook surface fastener.

Abstract: An object is to uniformly irradiate a non-flat affected area with light. Provided is an irradiation apparatus (1) configured to irradiate a projecting part of a body of an irradiation target organism with light, the irradiation apparatus including: a cover (2); a light source unit (3); and a sheet (4) that is provided so that the light source unit (3) does not make contact with an affected area of the projecting part or an area surrounding the affected area, the sheet (4) and/or the cover (2) being configured to make contact with the area surrounding the affected area.

Abstract: Provided is an oral pharmaceutical composition characterized by containing a medicinal ingredient (A), a hydrophobic liquid (B), a water-soluble macromolecular substance (C), and an excipient (D), but not containing a surfactant, wherein: the medicinal ingredient (A) is included in the hydrophobic liquid (B); and the hydrophobic liquid (B) is dispersed in a composition including the water-soluble macromolecular substance (C) and the excipient (D). The oral pharmaceutical composition: allows easy dose-adjustment; has excellent dosability and safety; is biologically equivalent to a standard formulation having established profiles regarding efficacy, safety, etc.; and can be easily produced.

Abstract: Light irradiation that is suitable for treatment for a relatively small diseased part and is performed almost uniformly and efficiently for the entirety of an affected part even when the affected part is not flat is realized. Light output from a plurality of LED chips includes first wavelength region light whose light-emission intensity peak is in a wavelength range of 380 nm or more and 430 nm or less and second wavelength region light whose light-emission intensity peak is in a wavelength range of more than 430 nm and 635 nm or less, and a group of LED light sources has uniform in-plane intensity of light irradiation.

Abstract: A light irradiation substrate is provided which can cope with cases of emergency and which is capable of optimum irradiation with therapeutic light regardless of the shape or size of affected parts while keeping a lid on cost. The center-to-center distance between two adjacent LED chips (13) facing each other across the boundary between two unit substrates (7) adjacent to each other in an X direction or (a Y direction) and belonging to the respective unit substrates (7) is twice or less as long as the center-to-center distance between two LED chips (13) adjacent to each other in the X direction (or the Y direction) within each of the unit substrates (7). Each of the unit substrates (7) includes a connection section (10) that provides external connection of wires (12). The connection section (10) is provided on a back surface of a flexible substrate (6).

Abstract: An object of the present invention is to provide a photodynamic therapy light irradiation device for irradiating two kinds of light in different wavelength ranges to an irradiated surface, the device being capable of irradiating the light with uniform illuminance to the irradiated surface even having an uneven shape and obtaining a spectral distribution of high uniformity on the entire irradiated surface. A photodynamic therapy light irradiation device of the present invention is characterized by including: a light source unit having one or more LED elements that emit first light having a peak wavelength within a range of wavelengths of not shorter than 400 nm to not longer than 420 nm disposed on a flexible substrate; and a fluorescent plate configured to transmit a part of the first light from the light source unit, and to convert another part thereof into second light having a wavelength of not shorter than 500 nm to not longer than 520 nm and thereby emit the second light.

Abstract: Provided is a simple light irradiation apparatus capable of performing uniform irradiation even on to a treatment area having a curved surface and capable of suppressing excessive heating caused by light irradiation. The light irradiation apparatus (10) includes a polymer gel layer (3) that covers the treatment area (2) on skin (1), an LED protective layer (6) that closely adheres to the polymer gel layer (3), and a substrate (5) on which LEDs (4) closely adhered to the LED protective layer (6) are arranged thereon. A current control apparatus (8) which lights the LEDs (4) controls irradiation intensity and stops irradiation when reaching a demanded dose amount.

Abstract: An uneven affected area is uniformly irradiated with light. A photoirradiation device includes a flexible substrate, a plurality of LED chips arranged in a matrix over the flexible substrate, walls having flexibility and surrounding the plurality of LED chips, and a protective resin, formed within the walls so as to cover the plurality of LED chips, that has translucency to transmit emitted light emitted by the plurality of LED chips and has flexibility. The emitted light is radiated from a region surrounded by the walls.

Abstract: Light can be radiated onto a desired region of skin in a reliable and simple manner while preventing the radiation of light onto regions other than the desired region. A light radiator is provided with: a light source that radiates light onto skin; a light shielding member that is arranged between the skin and the light source; and a flexible base on which the light source and the light shielding member are mounted, in which an opening that corresponds to a specific region of the skin can be formed in the light shielding member, and the light is radiated onto the specific region through the opening.

Abstract: A light irradiation substrate includes plural unit substrates that have a flexible substrate. A portion of the unit substrates have a pair of external connection portions. A first surface of the flexible substrate is provided with an LED chip and a wire for each of the unit substrates, and a second surface is provided with a back surface wire across the unit substrates.

Abstract: The present invention includes: a front-side positive trace (2P) disposed on a flexible substrate (5); a positive external connection line (12P) connected to the front-side positive trace (2P) to supply electric power; and LED chips (4) provided to the flexible substrate (5) and connected to the front-side positive trace (2P), wherein an electric resistance between the positive external connection line (12P) and one of the LED chips (4) which is farthest from the positive external connection line (12P) is less than an internal resistance of the one of the LED chips (4).

Abstract: A light irradiation substrate (1) includes a flexible substrate (5), first electrical conducting material patterns (15) composed of wirings (2) and a dummy pattern (6) which are provided on a front surface of the flexible substrate (5), and LED chips (4) each of which is mounted on each of the wirings (2), front surfaces of the first electrical conducting material patterns (15) are formed of a reflecting material having total light flux reflectance of 80% or more, and area coverage of the first electrical conducting material patterns (15) at least in a region surrounded by the LED chips (4) is 85% or more.

Abstract: A sterilizing apparatus having both excellent safety and operability is provided. A sterilizing apparatus (1) according to an aspect for carrying out the present invention is a sterilizing apparatus (1) that radiates light including ultraviolet rays onto an affected area (6), wherein first wavelength light (L?1) having a peak wavelength in a wavelength range of 190 nm or more and 230 nm or less, and second wavelength light (L?2) having a peak wavelength in a wavelength range of 400 nm or more and 780 nm or less are emitted.

Abstract: A phototherapy apparatus includes: a light irradiation module that radiates light for treatment; and a spacer that is disposed on a light output side of the light irradiation module and contacts a surface of a body to keep a distance between the light irradiation module and a part to be treated on the surface of the body constant, in which a spacer opening that avoids contact of the part to be treated and the spacer is formed on a surface of the spacer, which contacts the surface of the body.

Abstract: An optical treatment apparatus includes: a power source unit; a light irradiation module, that irradiates an affected part with light; a spacer that is positioned between the light irradiation module and the affected part; a fixing material that applies pressure to the light irradiation module and fixes the light irradiation module at an installation position; and a shielding material that covers the light irradiation module, in which, in a case where the pressure applied by the fixing material becomes lower than predetermined pressure, supply of current is stopped.

Abstract: Light irradiation that is suitable for treatment for a relatively small diseased part and is performed almost uniformly and efficiently for the entirety of an affected part even when the affected part is not flat is realized. Light output from a plurality of LED chips includes first wavelength region light whose light-emission intensity peak is in a wavelength range of 380 nm or more and 430 nm or less and second wavelength region light whose light-emission intensity peak is in a wavelength range of more than 430 nm and 635 nm or less, and a group of LED light sources has uniform in-plane intensity of light irradiation.

Abstract: A sensor for measuring a concentration of a particular ion, molecule or atom in a fluid includes a sample handling portion for providing at least some of the fluid, a first photo-detection device, and a first light source. The first photo-detection device is configured to measure a power of light incident thereon, and the first light source includes a solid-state light emitting device. The first light source is configured to emit light having a wavelength less than 240 nanometers incident on the fluid provided by the sample handling portion, and the first photo-detection device is configured to receive light having passed through the fluid.