Patent application number | Description | Published |
20130327698 | CARRIER FOR BLOOD COMPONENT ADSORPTION AND BLOOD COMPONENT ADSORPTION COLUMN - A carrier for blood component adsorption enables selective and efficient adsorption removal of granulocytes and monocytes and, at the same time, enables adsorption removal of inflammatory cytokines. The carrier for blood component adsorption includes a water-insoluble carrier having a surface to which a functional group(s) containing a silyl group and an amino group is/are introduced. | 12-12-2013 |
20140018505 | BIODEGRADABLE PARTICLE, VASCULAR EMBOLIZATION MATERIAL AND METHOD FOR PRODUCING BIODEGRADABLE PARTICLES - A biodegradable particle including a block copolymer produced by copolymerization of a biodegradable copolymer having a structure composed of hydroxycarboxylic acid a1, whose homopolymer produced by homopolymerization has a glass transition point of not less than 40° C. and hydroxycarboxylic acid a2, whose homopolymer produced by homopolymerization has a glass transition point of not more than −40° C.; a water-soluble polymer comprising a functional group selected from the group consisting of a hydroxyl group, amino group and carboxylic acid group at each of both ends; and a polyvalent compound comprising 2 or more functional groups each selected from the group consisting of a hydroxyl group, amino group and carboxylic acid group; wherein a ratio of mass of said structure composed of hydroxycarboxylic acid a2 to mass of said biodegradable copolymer is 30 to 90% by mass. | 01-16-2014 |
20140113091 | MEDICAL SUPPLY - A medical material has a compound firmly immobilized on the surface thereof, which compound is capable of inhibiting both of the blood coagulation reactions in a primary hemostasis stage in which platelets are involved and in a coagulation thrombus formation stage in which blood coagulation factors are involved in a state retaining the anticoagulant activity. The present invention provides a medical material having a hydrophilic polymer compound immobilized on the surface thereof, in which a compound and a copolymer of monomers selected from the group consisting of ethylene glycol, vinyl acetate, vinyl pyrrolidone, propylene glycol, vinyl alcohol and siloxane are bound. | 04-24-2014 |
20140142613 | INSTRUMENT FOR CAPTURING FREE THROMBI - An instrument captures free thrombi by inhibiting blood coagulation reaction at the stage of primary hemostasis, in which platelets are involved, and at the stage of coagulation thrombus formation, in which blood coagulation factors are involved, thereby securely capturing free thrombi and extending the available time of the instrument. | 05-22-2014 |
20150051355 | BIODEGRADABLE MATERIAL AND METHOD OF PRODUCING BIODEGRADABLE MATERIAL - A biodegradable material has an improved biodegradability, an enhanced shape recovery rate after deformation of the material and an improved flexibility. The biodegradable material is a chemically cross-linked product of: a multivalent compound A having 3 or more functional groups X such as hydroxyl group; a multivalent compound B having 3 or more functional groups Y such as carboxyl group; and a compound C having a structure originated from a hydroxycarboxylic acid whose homopolymer formed by homopolymerization has a glass transition point of −40° C. or lower. | 02-19-2015 |
20160058588 | ARTIFICIAL BLOOD VESSEL - An artificial blood vessel includes a tubular woven fabric composed of a multifilament yarn A including a first polyester and a multifilament yarn B including a second polyester, and has an inner diameter of 8 mm or less and a layer thickness of 50 μm or more and 250 μm or less, wherein the multifilament yarn A has a single fiber fineness of 1.0 dtex or more and a total fineness of 33 dtex or less, the multifilament yarn B has a single fiber fineness of 0.08 dtex or less and a total fineness of 66 dtex or less, and the multifilament yarn B forms loops on an inner wall surface of the tubular woven fabric. | 03-03-2016 |
20160067065 | ANTITHROMBOTIC ARTIFICIAL BLOOD VESSEL - An artificial blood vessel is a tubular fabric including a fiber layer containing an ultrafine fiber(s) and an ultrafine fiber layer in the inside of the fiber layer, the ultrafine fiber layer being composed of an ultrafine fiber(s) having a fiber diameter(s) of not less than 10 nm and not more than 3 μm, wherein a quaternary ammonium group-containing polymer having alkyl groups each of a carbon number 10 or less is covalently bound to the ultrafine fiber(s); heparin is ionically bound to the quaternary ammonium group-containing polymer; and the residual heparin activity after washing with physiological saline at 37° C. for 30 minutes is 20 mIU/cm2 or more. | 03-10-2016 |
20160067066 | ANTITHROMBOTIC ARTIFICIAL BLOOD VESSEL - An artificial blood vessel promotes intimal formation after indwelling, and is capable of maintaining antithrombogenicity during the intimal formation and maintaining its patency for a long time. The artificial blood vessel is a tubular fabric including a fiber layer containing an ultrafine fiber(s) and an ultrafine fiber layer in the inside of the fiber layer, the ultrafine fiber layer being composed of an ultrafine fiber(s) having a fiber diameter(s) of 10 nm to 3 μm, wherein an antithrombin agent having a polymer chain other than heparin is covalently bound to the ultrafine fiber via the polymer chain, and the thrombin activity inhibition rate on the fiber surface at 37° C. is not less than 60%. | 03-10-2016 |