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    Resonator with adjustable capacitance for medical device
    25.
    发明申请
    Resonator with adjustable capacitance for medical device 失效

    公开(公告)号：US20080290958A1

    公开(公告)日：2008-11-27

    申请号：US12220819

    申请日：2008-07-29

    Applicant: Torsten Scheuermann

    Inventor： Torsten Scheuermann

    IPC: H03B5/08 ,  A61B5/055

    CPC classification number: G01R33/286 ,  G01R33/3628

    Abstract: Systems and methods for a resonator with an adjustable capacitance for a medical device. In one embodiment, a resonator system includes a resonator device with an LC resonator circuit that has an adjustable capacitance, an inductor coil in series with the adjustable capacitance, and an adjustable capacitance control that can control the adjustable capacitance to obtain different particular capacitance values. This embodiment also includes a medical device, positioned with the resonator device, so that at least a portion of the inductor coil surrounds a space that is surrounded by at least a portion of the medical device.

    Primarily niobium stent
    27.
    发明申请
    Primarily niobium stent 失效
    主要是铌支架

    公开(公告)号：US20060196581A1

    公开(公告)日：2006-09-07

    申请号：US11417856

    申请日：2006-05-03

    Applicant: Torsten Scheuermann ,  Eckhard Alt

    Inventor： Torsten Scheuermann ,  Eckhard Alt

    IPC: C23C8/06

    CPC classification number: A61L31/18 ,  A61F2/91 ,  A61F2/915 ,  A61F2002/91541 ,  A61F2002/91558 ,  A61F2310/00598 ,  A61L31/022 ,  A61L31/088

    Abstract: In a process of fabricating a stent composed primarily of niobium alloyed with a trace amount of zirconium, tantalum, or titanium for hardening, the stent is annealed under vacuum in a substantially oxygen-free environment. The vacuum is preferably maintained at pressure less than 10−4 millibars, oxygen-content less than about 80 parts per million, and the annealing temperature exceeds 400° C. for at least one hour, and is preferably kept in a range from about 1100-1200° C. for several hours. This may be followed by applying a surface layer of oxide, such as iridium oxide, with a thickness of 299-300 nm to the stent.

    Abstract translation: 在制造主要由铌合金化的用于硬化的锆，钽或钛的支架的制造过程中，支架在基本上无氧的环境中在真空下退火。 真空优选保持在小于10 -4毫巴的压力下，含氧量小于约百万分之八十，退火温度超过400℃至少一小时，优选 保持在约1100-1200℃的范围内几个小时。 然后可以向支架施加厚度为299-300nm的氧化物表面层，例如氧化铱。

    Primarily niobium stent
    28.
    发明授权
    Primarily niobium stent 有权

    公开(公告)号：US07101391B2

    公开(公告)日：2006-09-05

    申请号：US10232774

    申请日：2002-08-31

    Applicant: Torsten Scheuermann ,  Eckhard Alt

    Inventor： Torsten Scheuermann ,  Eckhard Alt

    IPC: A61F2/06

    CPC classification number: A61L31/18 ,  A61F2/91 ,  A61F2/915 ,  A61F2002/91541 ,  A61F2002/91558 ,  A61F2310/00598 ,  A61L31/022 ,  A61L31/088

    Abstract: In a process of fabricating a stent composed primarily of niobium alloyed with a trace amount of zirconium, tantalum, or titanium for hardening, the stent is annealed under vacuum in a substantially oxygen-free environment. The vacuum is preferably maintained at pressure less than 10−4 millibars, oxygen-content less than about 80 parts per million, and the annealing temperature exceeds 400° C. for at least one hour, and is preferably kept in a range from about 1100–1200° C. for several hours. This may be followed by applying a surface layer of oxide, such as iridium oxide, with a thickness of 299–300 nm to the stent.

    Medical devices having inorganic barrier coatings
    29.
    发明授权
    Medical devices having inorganic barrier coatings 有权
    具有无机屏障涂层的医疗器械

    公开(公告)号：US09220818B2

    公开(公告)日：2015-12-29

    申请号：US12501671

    申请日：2009-07-13

    Applicant: Torsten Scheuermann ,  Michael Kuehling ,  Jan Weber ,  Dominique Seidel

    Inventor： Torsten Scheuermann ,  Michael Kuehling ,  Jan Weber ,  Dominique Seidel

    IPC: A61F2/82 ,  A61K9/22 ,  A61L27/34 ,  A61L31/16 ,  A61L31/08 ,  A61L31/14

    CPC classification number: A61L31/16 ,  A61L31/082 ,  A61L31/146 ,  A61L2300/608 ,  A61L2420/08

    Abstract: 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.

    Abstract translation: 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。

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