Abstract: A polymer composition contains polylactic acid and a dilactide/?-caprolactone copolymer, in which a content of the polylactic acid relative to a total of 100 mass % of the polylactic acid and the dilactide/?-caprolactone copolymer is 20 to 40 mass %, and in which the dilactide/?-caprolactone copolymer satisfies (1) an R value represented by a following formula is 0.45 or more and 0.99 or less: R = [ AB ] ? / ? ( 2 ? [ A ] ? [ B ] ) × 100 where [A] is a molar fraction (%) of a dilactide residue in the dilactide/?-caprolactone copolymer, [B] is a molar fraction (%) of an ?-caprolactone residue in the dilactide/?-caprolactone copolymer, and [AB] is a molar fraction (%) of a structure in which a dilactide residue and an ?-caprolactone residue are adjacent to each other (A-B and B-A) in the dilactide/?-caprolactone copolymer, and (2) at least one of the dilactide residue and the ?-caprolactone residue has a degree of crystallization of less than 14%.

Abstract: In order to solve a conventional problem that it is not possible to manage partial content in a webpage as a block and execute processing on the block, a webpage processing apparatus includes: a block information storage unit in which one or more pieces of block information each having a block identifier for identifying a block, which is partial content in a webpage, and location identifying information for specifying a location of the block in the webpage are stored; a block processing unit that executes block processing, which is processing regarding a block specified with block information, using location identifying information contained in any one of the one or more pieces of block information; and a result output unit that outputs a block processing result, which is a result of the block processing. Accordingly, it is possible to manage a block, which is partial content in a webpage, and execute processing on the block.

Abstract: A cylindrical body for an implant is capable of maintaining a high patency rate by achieving a good antithrombogenicity, a low swelling property and a low Young's modulus. A cylindrical body for an implant includes: a cylindrical substrate having an elongation rate in the longitudinal direction, as measured under a tensile load of 20 N, of from 5 to 100%; and a block copolymer composed of a polyalkylene glycol block(s) and a polyhydroxyalkanoic acid block(s); wherein the ratio of the mass of the polyalkylene glycol with respect to the total mass of the block copolymer is 5 to 25%; and a film composed of the block copolymer has a Young's modulus of 200 MPa or less.

Abstract: There is provided a plain-weave fabric excellent in low air permeability and waterproofness. Further, there is provided a stent graft excellent in low water permeability mechanical properties and catheter storage capacity, including the plain-weave fabric as a graft substrate. A plain-weave fabric woven by interlacing weaving yarns in warp and weft, in which weaving yarns YA and YB arranged in the same direction have different crimp ratios A and B, respectively, a relationship thereof satisfies Formula 1, and the crimp ratio B is 4% or more, and the plain-weave fabric is preferably used for a stent graft; A?B×1.2.

Abstract: A tubular structure has succeeded in achieving excellent puncture resistance as well as maintenance of flexibility in a base by covering the base with a cover having excellent flexibility. The tubular structure includes a tubular base and a cover which covers the base, wherein the cover includes a copolymer containing a silicone monomer and a polymerizable monomer having a fluoroalkyl group(s) as monomer units.

Abstract: A polymer composition contains polylactic acid and a dilactide/?-caprolactone copolymer, in which a content of the polylactic acid relative to a total of 100 mass % of the polylactic acid and the dilactide/?-caprolactone copolymer is 20 to 40 mass %, and in which the dilactide/?-caprolactone copolymer satisfies (1) an R value represented by a following formula is 0.45 or more and 0.99 or less: R = [ AB ] ? / ? ( 2 ? [ A ] ? [ B ] ) × 100 where [A] is a molar fraction (%) of a dilactide residue in the dilactide/?-caprolactone copolymer, [B] is a molar fraction (%) of an ?-caprolactone residue in the dilactide/?-caprolactone copolymer, and [AB] is a molar fraction (%) of a structure in which a dilactide residue and an ?-caprolactone residue are adjacent to each other (A-B and B-A) in the dilactide/?-caprolactone copolymer, and (2) at least one of the dilactide residue and the ?-caprolactone residue has a degree of crystallization of less than 14%.

Abstract: A tubular woven fabric is useful as a transport hose for a fluid or a powder, as a protective hose for linear bodies such as wires, cables and conduits, as a tubular filter, or as a base material of a vascular prosthesis. The tubular woven fabric includes warp yarns and weft yarns interwoven with each other, the tubular woven fabric having an outer diameter with a variation of within 10% along the warp direction and satisfying the formula: (L2?L1)/L1?0.1.

Abstract: A medical base material for an indwelling cardiovascular device in which a unique knitted structure made of multifilaments containing ultra-fine fibers can maintain the antithrombotic property through the early endothelialization has improved storage property in a sheath catheter and mechanical strength. The medical base material includes a knitted fabric made of multifilaments containing 30 wt % or more of ultra-fine fibers having a single thread diameter of 1 ?m to 10 ?m, and heparin, a heparin derivative, or a pharmaceutically acceptable salt thereof, which is chemically bound to the surface of the ultra-fine fibers, wherein: the knitted fabric has a basis weight of 5 mg/cm2 to 20 mg/cm2, a thickness of 200 ?m or less, and a water permeability of 1000 mL/min/cm2 to 10,000 mL/min/cm2 at a pressure of 120 mmHg.

Abstract: A medical material uses a nickel-titanium alloy wherein a polyelectrolyte has a reduced thickness while a sufficient amount of an antithrombogenic compound for production of a therapeutic effect is supported. The medical material in which a porous surface is formed on a nickel-titanium alloy to allow infiltration of a polyelectrolyte into the pores, to thereby reduce the thickness of the polyelectrolyte exposed on the surface of the nickel-titanium alloy while allowing supporting of a sufficient amount of an antithrombogenic compound due to contribution of the polyelectrolyte infiltrate.

Abstract: The present invention provides a hollow fiber membrane module which makes it possible to concentrate incubated platelets by efficiently removing water from an incubated platelet suspension liquid containing incubated platelets while suppressing deterioration of the function of the incubated platelets. The present invention provides an incubated platelet concentration module in which a plurality of hollow fiber membranes each having pores with an average pore diameter of 2 ?m or less on a surface of the hollow fiber membrane are packed in a casing having at least one inlet for supplying an incubated platelet suspension liquid before concentration into the hollow fiber membranes, wherein a value (X/Y1) obtained by dividing a total cross-sectional area (X) of the plurality of hollow fiber membranes by a total cross-sectional area (Y1) of the least one inlet is 4.0 or less.

Abstract: A cylindrical body for an implant is capable of maintaining a high patency rate by achieving a good antithrombogenicity, a low swelling property and a low Young's modulus. A cylindrical body for an implant includes: a cylindrical substrate having an elongation rate in the longitudinal direction, as measured under a tensile load of 20 N, of from 5 to 100%; and a block copolymer composed of a polyalkylene glycol block(s) and a polyhydroxyalkanoic acid block(s); wherein the ratio of the mass of the polyalkylene glycol with respect to the total mass of the block copolymer is 5 to 25%; and a film composed of the block copolymer has a Young's modulus of 200 MPa or less.

Abstract: A polyester copolymer has two types of ester bond-forming monomer residues as main structural units when the two types of ester bond-forming monomers are defined as “monomer A” and “monomer B”, respectively, the polyester copolymer satisfies (1) and (2): (1) an R value represented by equation: R value=[AB]/(2[A][B])×100 [A]: mole fraction of monomer A residues in the polyester copolymer [% by mol], [B]: mole fraction of monomer B residues in the polyester copolymer [% by mol], and [AB]: mole fraction of a structure in which the monomer A residues and the monomer B residues are adjacent to each other (A-B and B-A) in the polyester copolymer [% by mol], is 0.45 or more and 0.99 or less; and (2) a crystallization rate of at least one of the monomer A residues and the monomer B residues is less than 14%.

Abstract: A material for adhesion prevention can be adhered to biological tissue with certainty and has improved tissue adhesiveness and biodegradability. Such material for adhesion prevention is composed of: a 1- to 1,000-?m-thick water-soluble support layer comprising a water-soluble polymer; and a 1- to 1,000-?m-thick adhesion prevention layer comprising a biodegradable polymer. The biodegradable polymer has a structure in which a branched polyalkylene glycol comprising 3 to 8 terminal hydroxyl groups per molecule is bound to a polyhydroxy alkanoic acid, and a mass ratio of the branched polyalkylene glycol relative to the total mass is 1% to 30%.

Abstract: There is provided a plain-weave fabric excellent in low air permeability and waterproofness. Further, there is provided a stent graft excellent in low water permeability mechanical properties and catheter storage capacity, including the plain-weave fabric as a graft substrate. A plain-weave fabric woven by interlacing weaving yarns in warp and weft, in which weaving yarns YA and YB arranged in the same direction have different crimp ratios A and B, respectively, a relationship thereof satisfies Formula 1, and the crimp ratio B is 4% or more, and the plain-weave fabric is preferably used for a stent graft; A?B×1.2.

Abstract: A tubular woven fabric is useful as a transport hose for a fluid or a powder, as a protective hose for linear bodies such as wires, cables and conduits, as a tubular filter, or as a base material of a vascular prosthesis. The tubular woven fabric includes warp yarns and weft yarns interwoven with each other, the tubular woven fabric having an outer diameter with a variation of within 10% along the warp direction and satisfying the formula: (L2?L1)/L1?0.1.

Abstract: A biodegradable block copolymer has high conformability and excellent degradability. The block copolymer including a polyalkylene glycol block and a polyhydroxyalkanoic acid block, wherein the mass ratio of the polyalkylene glycol block with respect to the total mass is 10 to 60%; the carbonyl carbon has a carbon nuclear relaxation time T1? of not more than 20 ms; and the block copolymer satisfies Equation (1): ?=?1×?2>20 (1) ?1: crystallization rate of the polyalkylene glycol block; ?2: crystallization rate of a poly-A block, wherein A represents, among the repeat units contained in the polyhydroxyalkanoic acid block, a repeat unit whose homopolymer composed of the same repeat units has a highest crystallization rate.

Abstract: A forged component having a chemical composition including, by mass %, C: 0.30 to 0.45%, Si: 0.05 to 0.35%, Mn: 0.50 to 0.90%, P: 0.030 to 0.070%, S: 0.040 to 0.070%, Cr: 0.01 to 0.50%, Al: 0.001 to 0.050%, V: 0.25 to 0.35%, Ca: 0 to 0.0100%, N: 0.0150% or less, and the balance being Fe and unavoidable impurities, and satisfying formula 1. Metal structure is a ferrite pearlite structure, and a ferrite area ratio is 30% or more. Vickers hardness is in the range of 320 to 380 HV. 0.2% yield strength is 800 MPa or more. A Charpy V-notch impact value is in the range of 7 to 15 J/cm2.

Abstract: An antithrombogenic metallic material includes a metallic material whose surface is coated with a coating material, the coating material containing: a phosphonic acid derivative or a catechol derivative; a polymer containing, as a constituent monomer, a compound selected from the group consisting of alkyleneimines, vinylamines, allylamines, lysine, protamine, and diallyldimethylammonium chloride; and an anionic compound containing a sulfur atom and having anticoagulant activity; the polymer being covalently bound to the phosphonic acid derivative or the catechol derivative, the phosphonic acid derivative or the catechol derivative being bound to the metallic material through a phosphonic acid group or a catechol group thereof, wherein the abundance ratio of nitrogen atoms to the abundance of total atoms as measured by X-ray photoelectron spectroscopy (XPS) on the surface is 4.0 to 13.0 atomic percent.

Abstract: A medical material uses a nickel-titanium alloy wherein a polyelectrolyte has a reduced thickness while a sufficient amount of an antithrombogenic compound for production of a therapeutic effect is supported. The medical material in which a porous surface is formed on a nickel-titanium alloy to allow infiltration of a polyelectrolyte into the pores, to thereby reduce the thickness of the polyelectrolyte exposed on the surface of the nickel-titanium alloy while allowing supporting of a sufficient amount of an antithrombogenic compound due to contribution of the polyelectrolyte infiltrate.

Abstract: A polyester copolymer has two types of ester bond-forming monomer residues as main structural units when the two types of ester bond-forming monomers are defined as “monomer A” and “monomer B”, respectively, the polyester copolymer satisfies (1) and (2): (1) an R value represented by equation: R value=[AB]/(2[A][B])×100 [A]: mole fraction of monomer A residues in the polyester copolymer [% by mol], [B]: mole fraction of monomer B residues in the polyester copolymer [% by mol], and [AB]: mole fraction of a structure in which the monomer A residues and the monomer B residues are adjacent to each other (A-B and B-A) in the polyester copolymer [% by mol], is 0.45 or more and 0.99 or less; and (2) a crystallization rate of at least one of the monomer A residues and the monomer B residues is less than 14%.