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公开(公告)号:WO2021254348A1
公开(公告)日:2021-12-23
申请号:PCT/CN2021/100184
申请日:2021-06-15
Applicant: 杭州启明医疗器械股份有限公司
IPC: A61L29/08 , A61L29/14 , A61L29/04 , A61M25/04 , A61L2420/02 , A61L2420/06 , A61L29/041 , A61L29/085
Abstract: 本发明公开了一种介入瓣膜输送系统的超润滑涂层及其制备方法,超润滑涂层,包括以下质量份原料:不饱和低聚物2.5~16.8份、活性稀释剂2~8份、紫外光引发剂1~4.5份、有机硅增粘剂1~3份、流平剂0.3~2.4份、2-甲基丙烯酰氧乙基磷酸胆碱0.2~2.3份、聚乙烯吡咯烷酮1~10份和溶剂50~89份。本发明还提供了超润滑涂层的制备方法。本发明的超润滑涂层具有良好生物相容性,可以在低表面能、难粘附的聚丙烯或聚乙烯材质的扩张导管表面有良好的附着,极大程度的降低了导管和鞘管之间的摩擦力,从而可以有效保证输送系统使用过程中的顺滑操作,缩短手术时间,降低手术风险。
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公开(公告)号:WO2022240255A1
公开(公告)日:2022-11-17
申请号:PCT/KR2022/006929
申请日:2022-05-13
Applicant: 전남대학교산학협력단
IPC: A61L31/06 , A61L31/14 , A61L31/18 , A61L31/08 , A61F2/89 , A61F2210/0004 , A61F2240/002 , A61F2250/0098 , A61L2300/606 , A61L2420/02 , A61L31/148
Abstract: 본 발명은 생분해성 고분자를 포함하는 스텐트 기재 및 상기 스텐트 기재상에 코팅된 요오드 성분을 함유하는 조영제를 포함하는, 생분해성 스텐트에 관한 것으로, 본 발명에 따른 스텐트는 소정의 시간 후 인체 내에서 흡수되어 제거되므로 생분해성이 우수하며, 요오드 조영제 코팅을 통해 방사선 불투과성이 향상되어 실시간으로 방사선을 촬영하면서 시술하여도 촬영 대조도가 높아 매우 효율적이며, 축방향 수축률이 낮고, 유연성, 반지름 방향의 힘, 탄성회복성이 높으므로 직경이 작은 혈관, 급성폐쇄병변, 임박폐쇠병변 등의 삽입시 유용하게 사용될 수 있다.
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公开(公告)号:WO2022207703A1
公开(公告)日:2022-10-06
申请号:PCT/EP2022/058409
申请日:2022-03-30
Inventor: TESLER, Alexander B. , GOLDMANN, Wolfgang H. , PRADO, Lucia H. , FISCHER, Lena , MAZARE, Anca , VIRTANEN, Sannakaisa , KHUSNIYAROV, Marat M. , THIEVESSEN, Ingo
IPC: C09D183/04 , C09D183/08 , C08J3/28 , C09D5/08 , C09D5/16 , B05D3/06 , B05D5/08 , B05D7/14 , B08B17/02 , B82Y30/00 , B82Y40/00 , C09D5/00 , G02B1/18 , C03C17/30 , C03C23/00 , A61L33/06 , C08L83/04 , A61B1/313 , A61B1/12 , A61B17/3211 , C10M107/50 , A61L2420/02 , A61L29/02 , A61L29/085 , A61L29/14 , A61L33/0088 , B05D2202/10 , B05D3/065 , B08B17/065 , C03C2217/76 , C08G77/24 , C09D5/008 , C09D5/1637 , C09D5/1675 , C09D5/1681 , C09D5/1693
Abstract: Provided is a process for the preparation of a silicone or fluorosilicone-coated solid substrate, which process comprises the following steps a) providing a solid substrate having at least one surface to be coated, b) bringing the surface to be coated in contact with a coating fluid comprising linear silicone or linear fluorosilicone molecules, and c) irradiating the coating fluid in contact with the surface by UV light to photo-dissociate a silicon-carbon bond in linear silicone or linear fluorosilicone molecules contained in the coating fluid, and allowing them to form a new covalent bond to the surface of the solid substrate, thus providing a solid substrate having at least one surface that carries a coating comprising a layer of silicone or fluorosilicone molecules covalently grafted to the surface, and further comprising silicone or fluorosilicone molecules adhering non- covalently to the layer of the grafted molecules. Moreover, coated solid substrates are provided, which are obtainable by the process in accordance with the invention.
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公开(公告)号:WO2021258427A1
公开(公告)日:2021-12-30
申请号:PCT/CN2020/101204
申请日:2020-07-10
Applicant: 南昌大学
IPC: C01G9/02 , A61L27/30 , A61L27/06 , A61L2300/102 , A61L2300/404 , A61L2300/412 , A61L2420/02 , A61L2430/12 , A61L27/306 , A61L27/54 , C01P2002/72 , C01P2002/82 , C01P2002/84 , C01P2004/03 , C01P2004/61 , C01P2006/12 , C01P2006/14 , C01P2006/16
Abstract: 一种双光响应型氧化锌,在氧化锌制备过程中加入柠檬酸钠和羟丙基甲基纤维素对形貌进行控制,加入光热转换材料使氧化锌具有光热转换能力,加入木质素降低氧化锌的能带间隙;通过微波辐照使冻干后的水热产物碳化,能带间隙进一步降低。所述的双光响应型氧化锌呈银耳状褶皱结构,对黄光和近红外光具有双重响应,具有良好的吸附性、抗菌性和光热稳定性,具有光热转换能力。含有所述双光响应型氧化锌的涂层兼具抗菌性和成骨性,应用于种植体表面能够有效提高种植体的抗菌和成骨能力,且其特殊的光敏性能够实现种植体抗菌和成骨功能的光控起效和按需作用。
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公开(公告)号:WO2021222469A1
公开(公告)日:2021-11-04
申请号:PCT/US2021/029744
申请日:2021-04-28
Applicant: UNIVERSITY OF MIAMI
Inventor: TOMEI, Alice A. , STOCK, Aaron , LUPP, Michael
IPC: A61F2/02 , A61K35/12 , A61L27/34 , A61L27/38 , A61F2/022 , A61K35/39 , A61L2300/64 , A61L2420/02 , A61L27/3804
Abstract: Hydrodynamic methods for conformally coating non-uniform size cells and cell clusters with biomaterials for implantation, thus preventing immune rejection or inflammation or autoimmune destruction while preserving cell functionality, are disclosed. Further disclosed are reagents, apparatus, and methods for conformally coating cells and cell clusters with hydrogels that are biocompatible, mechanically and chemically stable and porous, with an appropriate pore cut-off size.
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公开(公告)号:WO2021143584A1
公开(公告)日:2021-07-22
申请号:PCT/CN2021/070355
申请日:2021-01-05
Applicant: 中山大学附属口腔医院
IPC: C23C22/02 , C23C22/73 , C23C22/78 , A61L27/54 , A61L27/34 , A61L27/28 , A61L27/06 , A61L2300/106 , A61L2300/404 , A61L2420/02 , A61L2420/06
Abstract: 本发明涉及一种钛种植体表面的长效可再生抗菌涂层,属于口腔生物医学材料领域。本发明提供一种在钛种植体表面制备可再生抗菌涂层的方法:取钛片用SiC砂纸打磨抛光,用溶剂清洗,晾干,然后进行碱热处理,用硅烷偶联剂KH570溶液处理,再与丙烯酸单体进行自由基聚合反应后,与乙二胺反应,浸泡于次氯酸钠溶液中,即可制备得到钛种植体表面的可再生抗菌涂层。本发明采用共价键结合法及聚合物接枝法在钛片表面构建牢固稳定的高分子抗菌层,达到了持久抗菌的作用,且本发明首次将卤胺高分子应用于钛种植体表面改性,构建可再生利用的抗菌涂层,抗菌层牢固稳定,抗菌时效长,抗菌层可再生利用。
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公开(公告)号:WO2022029252A1
公开(公告)日:2022-02-10
申请号:PCT/EP2021/071919
申请日:2021-08-05
Applicant: INNORA GESELLSCHAFT MBH
Inventor: SCHURMANN-KAUFELD, Sebastian , BRUNACCI, Nadia
IPC: A61L29/16 , A61M25/10 , A61P9/00 , A61P43/00 , A61L2300/416 , A61L2300/63 , A61L2420/02 , A61M25/1029
Abstract: Um Medizinprodukte mit einer Beschichtung zur lokalen Prophylaxe und Behandlung von unerwünschten Zellproliferationen und Gefäßverengungen bereitzustellen, wird ein Medizinprodukt, aufweisend eine Beschichtung auf zumindest einem Teil der Oberfläche, die mindestens eine Limus-Substanz in nicht-verkapselter kristalliner Form aufweist, vorgeschlagen, wobei die mindestens eine nicht-verkapselte Limus-Substanz direkt aus einem Lösungsmittelgemisch aus mindestens einem organischen Lösungsmittel und Wasser aufgetragen wird. Die Bildung von Kristallen der Limus-Substanz kann durch Verzögerung der Verdunstung des Lösungsmittelgemisches bewirkt oder verstärkt werden. Zudem wird ein Verfahren zur Herstellung der Medizinprodukte vorgeschlagen.
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公开(公告)号:WO2021123126A1
公开(公告)日:2021-06-24
申请号:PCT/EP2020/086972
申请日:2020-12-18
Applicant: TECHNISCHE UNIVERSITAET MUENCHEN
Inventor: LIELEG, Oliver , KIMNA, Ceren , WINKELJANN, Benjamin
IPC: A61L27/34 , A61L27/54 , A61L29/08 , A61L29/16 , A61L31/10 , A61L31/16 , A61L27/50 , A61L29/14 , A61L31/14 , A61L2300/406 , A61L2300/602 , A61L2300/62 , A61L2420/02 , A61L29/085
Abstract: The present invention relates to a method for preparation of a functionalized surface comprising the steps: a) coating of a carrier with a least one polymer selected from a polyanionic or polycationic polymer, b) addition of at least one compound to the coated carrier of step a), c) exposing the at least one polyanionic or polycationic polymer on the coated carrier of step b) to an organic solvent, resulting in compaction of the at least one polyanionic or polycationic polymer and thereby encapsulating the at least one compound, d) reversible cross-linking of the at least one polyanionic or polycationic polymer of step c) with at least one cross-linker; e) removal of the organic solvent. Furthermore, the invention relates to a functionalized surface, a functionalized surface for use in medicine and a method for releasing a compound ex vivo.
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公开(公告)号:WO2020225602A1
公开(公告)日:2020-11-12
申请号:PCT/IB2020/000350
申请日:2020-05-07
Applicant: HOTHOUSE MEDICAL LIMITED
Inventor: STEVENSON, David, Granville , ASHTON, Timothy, Rawden , MCMURRAY, Brian , CLARK, Chadd , CALCUT, Lindsey , WILSON, Kayla , DAVISON, Josh
IPC: A61L27/34 , A61L31/10 , A61L2420/02
Abstract: A substantially fluid impermeable textile graft may be produced by selective application of a substantially water-soluble material or masking agent, and optionally selective removal of excess substantially water-soluble material, followed by the application of a substantially water-insoluble sealant. The inner surface of the graft includes a coating of the substantially water-soluble material thereon. The outer surface includes a coating of the substantially water-insoluble sealant disposed thereon. The tubular wall having the coating of the substantially water-insoluble sealant is, after curing thereof, substantially impermeable to liquid. The substantially water-soluble material is removed from the graft after the application of the substantially water-insoluble sealant.
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公开(公告)号:WO2021256743A1
公开(公告)日:2021-12-23
申请号:PCT/KR2021/006910
申请日:2021-06-03
Applicant: 한국과학기술연구원
IPC: A61F2/82 , A61F2/00 , A61L31/16 , A61L2300/802 , A61L2400/12 , A61L2420/02 , A61L31/088
Abstract: 본 발명은 스텐트 표면에 3차원 나노 구조 필름을 형성하여 약물을 코팅할 수 있는 약물 방출용 스텐트의 제조방법 및 이에 의해 제조된 약물 방출용 스텐트로서, (a) 스텐트를 준비하는 단계; (b) 상기 스텐트 표면에 3차원 나노 구조 필름을 형성하는 단계; 및 (c) 상기 3차원 나노 구조 필름의 표면을 개질하는 단계;를 포함하는 약물 방출용 스텐트의 제조방법 및 이에 의해 제조된 약물 방출용 스텐트를 제공한다.
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