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    • 5. 发明申请
    • MEDICAL DEVICES HAVING INORGANIC BARRIER COATINGS
    • 具有无机屏障涂层的医疗器械
    • WO2010011515A2
    • 2010-01-28
    • PCT/US2009/050365
    • 2009-07-13
    • BOSTON SCIENTIFIC SCIMED, INC.SCHEUERMANN, TorstenKUEHLING, MichaelWEBER, JanSEIDEL, Dominique
    • SCHEUERMANN, TorstenKUEHLING, MichaelWEBER, JanSEIDEL, Dominique
    • A61L31/14A61L31/16
    • A61L31/16A61L31/082A61L31/146A61L2300/608A61L2420/08
    • Medical devices having a barrier layer comprising an inorganic material. The medical device has a reservoir containing a therapeutic agent and the barrier layer is disposed over the reservoir. In one aspect, the barrier layer has one permeability to the therapeutic agent at one portion of the medical device and a different permeability at another portion of the medical device. In another aspect, the dosage amount of the therapeutic agent in the reservoir at one portion of the medical device is different from the dosage amount of the therapeutic agent in the reservoir at another portion of the medical device. In another aspect, a bioresorbable layer is disposed over the barrier layer at one or more portions of the medical device, wherein the bioresorbable layer comprises a bioresorbable material. Also, methods of coating a medical device are disclosed, in which a barrier layer over a medical device is formed using a lithographic etching process where a plurality of particles serve as an etch mask.
    • 具有包含无机材料的阻挡层的医疗装置。 医疗装置具有含有治疗剂的储液器,并且阻挡层设置在贮存器的上方。 在一个方面,阻挡层在医疗装置的一部分处具有对治疗剂的一种渗透性,并且在医疗装置的另一部分具有不同的渗透性。 另一方面,医疗器械的一部分处的储存器中的治疗剂的剂量与医疗器械的另一部分处的储存器中的治疗剂的剂量不同。 在另一方面,生物可再吸收层设置在医疗装置的一个或多个部分的阻挡层之上,其中生物可再吸收层包括生物可再吸收材料。 此外,公开了涂覆医疗装置的方法,其中使用光刻蚀刻工艺形成医疗装置上的阻挡层,其中多个颗粒用作蚀刻掩模。
    • 9. 发明申请
    • DRUG-LOADED MEDICAL DEVICES AND METHODS FOR MANUFACTURING DRUG-LOADED MEDICAL DEVICES
    • 药物装载医疗装置及其制造装载药物的方法
    • WO2009135008A3
    • 2010-12-02
    • PCT/US2009042319
    • 2009-04-30
    • BOSTON SCIENT SCIMED INCKUEHLING MICHAELXU YIXIN
    • KUEHLING MICHAELXU YIXIN
    • A61L31/14A61L31/16
    • A61L31/10A61L31/146A61L31/16A61L2300/606
    • Drug-loaded medical devices such as stents and methods for manufacturing them are provided. In certain embodiments, the therapeutic agent is loaded only in or on areas of the medical device that do not undergo substantial deformation during expansion. The medical device may be provided with reservoirs in or on the first portions of the medical device that do not undergo substantial deformation during expansion, and the therapeutic agent may be loaded in these reservoirs. The reservoirs may be covered with a porous coating which may be a non- polymeric coating. In other embodiments, a non-polymeric coating is provided in a discontinuous manner in or on the medical device. A method includes the steps of providing a transfer member that includes a translucent substrate and a layer of transfer material such as a film or foil; attaching reservoirs to the transfer material; positioning the transfer member with the reservoirs adjacent a medical device, such as a stent, with the reservoirs facing the medical device; and directing a laser beam at the transfer member such that the laser beam passes through the translucent substrate to vaporize a portion of the transfer material, creating a pocket of trapped gas between the translucent substrate and reservoir, thereby forcing the reservoir from the transfer member to the medical device. The reservoirs may be formed of a non-polymeric material.
    • 提供诸如支架的药物装载的医疗装置及其制造方法。 在某些实施方案中,治疗剂仅在扩张期间不经历基本变形的医疗装置的区域中或其上加载。 医疗装置可以在医疗装置的第一部分中或其上设置有在膨胀期间不经历实质变形的第一部分上的储存器,并且治疗剂可以装载在这些储存器中。 储存器可以用可以是非聚合物涂层的多孔涂层覆盖。 在其它实施方案中,在医疗装置中或其上以不连续的方式提供非聚合物涂层。 一种方法包括提供包括透光性基板和转印材料层例如膜或箔的转印部件的步骤; 将储存器附接到转印材料上; 将所述转移构件与所述储存器邻近医疗装置(例如支架)定位,所述储存器面向所述医疗装置; 并且将激光束引导在转印部件处,使得激光束通过透光性基板以蒸发转印材料的一部分,从而在透光性基板和储存器之间形成捕获气体的袋状物,从而迫使储存器从转印部件 医疗器械。 储存器可以由非聚合材料形成。