Abstract: A flexible tube for an endoscope has a flexible tube substrate that is flexible and tubular and a resin layer (A) covering the flexible tube substrate. The resin layer (A) includes a thermoplastic resin (a) including at least one of a polyamide resin, a polyurethane resin, a polyester resin, a polystyrene resin, or an acrylic resin and having a tensile strength at 10% elongation of 10 MPa or more and a hindered amine compound (b) having a molecular weight of 500 or more. Also provided are an endoscopic medical device including the flexible tube for an endoscope and a resin composition suitable for forming the resin layer of the flexible tube for an endoscope.

Abstract: Provided are an acoustic matching layer material containing an epoxy resin (A) component having an epoxy equivalent weight of 140 or less and metal particles (B) having a density of 10 g/cm3 or more at 20° C., in which a content of particles (C) having a density of less than 4.5 g/cm3 at 20° C. is less than 5% by mass; an acoustic matching sheet; a composition for an acoustic matching layer material; an acoustic wave probe; an acoustic wave measurement apparatus; and a manufacturing method of an acoustic wave probe.

Abstract: Provided are an acoustic matching layer material containing a curing reaction product obtained by reacting an epoxy resin (A) having an epoxy equivalent weight of 140 or less with at least one of a curing agent (B-1) which is a monomer or a curing catalyst (B-2), and metal particles (C) having a density of 4.5 g/cm3 or more and less than 10 g/cm3 at 20° C., in which a content of particles (D) having a density of less than 4.5 g/cm3 at 20° C. is less than 5% by mass; an acoustic matching sheet; a composition for an acoustic matching layer material; an acoustic wave probe; an acoustic wave measurement apparatus; and a manufacturing method of an acoustic wave probe.

Abstract: A two-component adhesive for an endoscope and a cured product thereof, the adhesive having a base resin and a curing agent. The base resin contains an epoxy resin (A), and the epoxy resin (A) includes an epoxy resin (a) having an average degree of polymerization of 2 or more. Also disclosed are an endoscope produced by using the adhesive for an endoscope and a method for producing the endoscope.

Abstract: Provided is a resin composition for an acoustic matching layer, the resin composition including an epoxy resin (A), a specific polyamine compound (B), and metal particles (C). The epoxy resin (A) includes at least one epoxy resin selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins. Also provided are a cured product formed of the composition, an acoustic matching sheet, an acoustic probe, an acoustic measuring apparatus, a method for producing an acoustic probe, and an acoustic matching layer material set.

Abstract: Provided are an epoxy resin adhesive for a medical device and its cured product, and a medical device member and a medical device. The epoxy resin adhesive includes the following components (A) to (C): (A) an epoxy resin; (B) a polyamine compound having two or more unsubstituted amino groups; and (C) a compound having a nonaromatic carbon-carbon double bond group and a phenolic hydroxy group.

Abstract: Provided is a laminate having high sterilization resistance and suitable as a medical device constituent component and a medical device including the laminate. The laminate has a substrate, an interlayer on the substrate, and a polymer coating layer on the interlayer. The interlayer has a porous layer including a siloxane compound, and the siloxane compound has at least one of a constituent component derived from a compound bearing a reactive functional group and a hydrolyzable group or a constituent component derived from a compound bearing a hydrolyzable group having a reactive functional group.

Abstract: An object of the present invention to provide an adhesive for an endoscope and a cured product of the adhesive, and an endoscope and a method for producing the endoscope. The adhesive is able to maintain sufficient adhesive strength even when exposed to high temperature for a long time in a state of being used for fixation of a member or subjected to powerful sterilization treatment with ozone water or the like and is suitable for use in fixing a member constituting the endoscope. The adhesive for an endoscope includes an epoxy resin, an epoxy resin curing component, and a radical scavenger.

Abstract: An endoscopic flexible tube including a flexible-tube base containing metal as a constituent material, and a cover layer covering an outer periphery of the flexible-tube base, wherein the cover layer includes a polyester having a naphthalene structure and a component having an action of inhibiting a reaction of an active species such as a radical, an endoscopic medical apparatus including the endoscopic flexible tube, and a covering material for the endoscopic flexible-tube base.

Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a flexible-tube base containing metal as a constituent material, a cover layer covering an outer periphery of the flexible-tube base, and a primer layer disposed between the flexible-tube base and the cover layer and including at least one of a specific silane coupling agent, an aluminum alkoxide compound, a zirconium alkoxide compound, or a titanium alkoxide compound, in which the cover layer includes, at least on a side in contact with the primer layer, a polyester having a naphthalene structure, an endoscopic medical device using the flexible tube, a method for producing the flexible tube for an endoscope, and a method for producing the endoscopic medical device.

Abstract: An endoscopic flexible tube including a sleeve-shaped flexible-tube base having flexibility, and a cover layer for the flexible-tube base, wherein the cover layer contains (a) at least one of (a1) a polyester resin having a naphthalene structure or (a2) a polyester elastomer having a naphthalene structure, and (b) at least one of (b1) a thermoplastic resin not having a naphthalene structure or (b2) a thermoplastic elastomer not having a naphthalene structure, and, in the cover layer, a ratio of the component (a) to a total amount of the components (a) and (b) is more than 50 mass % and less than 90 mass %; an endoscopic medical apparatus including the endoscopic flexible tube; and a covering material for the endoscopic-flexible-tube base.

Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a sleeve-shaped flexible-tube base having flexibility and a cover layer covering an outer periphery of the flexible-tube base, in which the cover layer includes a chain-extended product of a polyester having a naphthalene structure, and the chain-extended product includes a constituent component derived from at least one chain extender selected from the group consisting of (A) an epoxy compound, (B) an isocyanate compound, (C) an amine compound, (D) an oxazoline compound, (E) a carbodiimide compound having a molecular weight of less than 3,000, and (F) a carboxylic anhydride and a constituent component derived from a polyester having a naphthalene structure, an endoscopic medical device using the flexible tube, a method for producing the flexible tube for an endoscope, and a method for producing the endoscopic medical device.

Abstract: Provided are a flexible tube for an endoscope, the flexible tube having a flexible-tube base that is flexible and tubular and a polyester elastomer layer that covers the flexible-tube base and has a naphthalene structure in a soft segment, an endoscopic medical device having the flexible tube for an endoscope, a method for producing a covering material constituting the flexible tube for an endoscope, and a method for producing the flexible tube for an endoscope.

Abstract: Electrical bonded portions (100, 104) from a coaxial cable (56) to a piezoelectric body (49) are bonded by a resin material having conductivity (102), and the electrical bonded portions (100, 104) using the resin material (102) are covered with a gas barrier epoxy resin layer (106).

Abstract: Provided is a flexible tube, for an endoscope, having a flexible tube substrate, for an endoscope, that is flexible and tubular and a resin layer covering the flexible tube substrate for an endoscope. The resin layer includes one or more layers, the layers including a layer A including a polyester elastomer (a) as a resin component, a hindered amine compound (b), and a particular compound (c). Also provided are an endoscopic medical device including the flexible tube for an endoscope and a resin composition and a set of resin compositions that are suitable for forming the resin layer of the flexible tube for an endoscope.

Abstract: Provided are an adhesive for an endoscope, a cured product thereof, an endoscope produced using the adhesive for an endoscope, and a method for producing the endoscope. The adhesive for an endoscope is a two-component adhesive for an endoscope. The two-component adhesive has a base and a curing agent. The base includes at least one epoxy resin (A) selected from the group consisting of bisphenol A epoxy resins, bisphenol F epoxy resins, and phenol novolac epoxy resins. The curing agent includes at least one specific polyamine compound (B). The adhesive for an endoscope is used to fix at least one of a metal member or a glass member constituting the endoscope.

Abstract: An adhesive for an endoscope, the adhesive including (A) an epoxy resin including at least one epoxy resin of a bisphenol A epoxy resin, a bisphenol F epoxy resin, or a phenol novolac epoxy resin, (B) a curing component including at least one of a phosphorus-containing compound, a polythiol compound, a dicyandiamide compound, a phenol compound, or a polyether-polyamine compound, and (C) an inorganic amphoteric ion exchanger; and a cured product of the adhesive. An endoscope including the cured product fixed, and a method for producing the endoscope.

Abstract: Provided are an adhesive for an endoscope, a cured product thereof, an endoscope including a member secured with the cured product, and a method for manufacturing the endoscope. The adhesive includes the following (a) to (c): (a) an epoxy resin including at least one of a bisphenol A epoxy resin, a bisphenol F epoxy resin, or a phenol novolac epoxy resin; (b) a polyamine compound having an oxygen atom but no amide bond in a molecule thereof; and (c) at least one of an inorganic filler, an amide compound, a fatty acid wax, or a sorbitol compound.

Abstract: Provided are an adhesive for an endoscope, a cured product thereof, an endoscope including a member secured with the cured product, and a method for manufacturing the endoscope. The adhesive includes the following (a) to (c): (a) an epoxy resin including at least one of a bisphenol A epoxy resin, a bisphenol F epoxy resin, or a phenol novolac epoxy resin; (b) a polyamine compound having an oxygen atom but no amide bond in a molecule thereof; and (c) a metal alkoxide compound.

Abstract: An adhesive for an endoscope, the adhesive including an epoxy resin including at least one of bisphenol A epoxy resin, bisphenol F epoxy resin, or phenol novolac epoxy resin, a curing component, and an acidic curing acceleration component; a cured product of the adhesive; an endoscope including the cured product fixed; and a method for producing the endoscope.