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    • 1. 发明申请
    • DERMAL AND TRANSDERMAL CRYOGENIC MICROPROBE SYSTEMS AND METHODS
    • 真空和超低温微生物微生物系统及方法
    • WO2008079812A2
    • 2008-07-03
    • PCT/US2007/087893
    • 2007-12-18
    • MYOSCIENCE, INC.BURGER, KeithWILLIAMS, RonaldELKINS, Lisa
    • BURGER, KeithWILLIAMS, RonaldELKINS, Lisa
    • A61B18/02
    • A61B18/02A61B2017/00747A61B2018/00452A61B2018/0262A61B2018/0293
    • Medical devices, systems, and methods optionally treat dermatological and/or cosmetic defects, and/or a wide range of additional target tissues. Embodiments apply cooling with at least one small, tissue-penetrating probe, the probe often comprising a needle having a size suitable for inserting through an exposed surface of the skin of a patient without leaving a visible scar. Treatment may be applied along most or all of the insertable length of an elongate needle, optionally by introducing cryogenic cooling fluid into the needle lumen through a small, tightly-tolerated lumen of a fused silica fluid supply tube, with the supply tube lumen often metering the cooling fluid. Treatment temperature and/or time control may be enhanced using a simple pressure relief valve coupled to the needle lumen via a limited total exhaust volume space.
    • 医疗装置,系统和方法可任选地治疗皮肤病学和/或美容缺陷,和/或广泛的其它靶组织。 实施例用至少一个小的组织穿透探针进行冷却,所述探针通常包括具有适合于穿过患者皮肤的暴露表面插入的尺寸的针而不留下可见的瘢痕。 治疗可以沿着细长针的大部分或全部可插入长度施加,任选地通过将低温冷却流体通过熔融石英流体供应管的小的,容许容忍的内腔引入针管内腔,供应管内腔经常计量 冷却液。 可以通过经由有限的总排气量空间耦合到针内腔的简单的压力释放阀来增强治疗温度和/或时间控制。
    • 9. 发明申请
    • REPLACEABLE AND/OR EASILY REMOVABLE NEEDLE SYSTEMS FOR DERMAL AND TRANSDERMAL CRYOGENIC REMODELING
    • 可更换和/或易用的可拆卸针头系统用于真空和超导低温重构
    • WO2008101027A2
    • 2008-08-21
    • PCT/US2008/053876
    • 2008-02-13
    • MYOSCIENCE, INC.BURGER, KeithELKINS, LisaWILLIAMS, Ronald
    • BURGER, KeithELKINS, LisaWILLIAMS, Ronald
    • A61B18/02A61M5/31
    • A61B18/0218A61B18/02A61B2017/00747A61B2018/00023A61B2018/00458A61B2018/0262A61B2018/0293
    • The present invention generally provides improved medical devices, systems, and methods. Embodiments may be particularly well suited for the treatment of dermatological and/or cosmetic defects, and alternative embodiments may be configured for treatment of a wide range of target tissues. Some embodiments of the present invention apply cooling with at least one small, tissue-penetrating probe, the probe often comprising a needle having a size suitable for inserting through an exposed surface of the skin of a patient without leaving a visible scar. The cooling may remodel one or more target tissue so as to effect a desired change in a composition of the target tissue and/or a change in its behavior. Exemplary embodiments make use of replaceable needle probes supported by a probe body handle, with small needle probes often being replaced during treatment of a single patient. Unlike the large format cryogenic cooling systems of the past, small cryogenic cooling needle probes may dull or be damaged by insertion. Careful control over the control of cryogenic cooling fluid into a needle probe can allow the length of the active cooling to be controlled through depletion of liquid from an evaporating cryogenic cooling flow. Hence, even needles having similar external structures may provide differing lengths of an iceball along the needle axis. Surprisingly, small cryogenic cooling needles and/or other cryogenic cooling probes having a lubricious coating will allow safe removal of the probe from the treatment region while at a least a portion of the tissue remains frozen, significantly decreasing the overall time for a procedure involving many insertion/freeze/removal cycles.
    • 本发明通常提供改进的医疗装置,系统和方法。 实施方案可以特别适用于治疗皮肤病和/或美容缺陷,并且替代实施方案可被配置用于治疗大范围的靶组织。 本发明的一些实施方案用至少一个小的穿透组织的探针进行冷却,所述探针通常包括具有适合穿过患者皮肤暴露表面的尺寸的针而不留下可见的瘢痕。 冷却可以改变一个或多个靶组织,以便实现靶组织的组合物的期望变化和/或其行为的改变。 示例性实施例使用由探针主体手柄支撑的可替换的针探针,在单个患者的治疗期间经常更换小的针头探针。 与过去的大型低温冷却系统不同,小型低温冷却针探针可能会沉没或被插入而损坏。 将低温冷却液控制到针头探针中的仔细控制可以通过从蒸发的低温冷却流中消耗液体来控制主动冷却的长度。 因此,即使具有相似外部结构的针也可以沿针轴提供不同长度的冰球。 令人惊讶的是,具有光滑涂层的小型低温冷却针和/或其它低温冷却探针将允许从处理区域安全地移除探针,同时在组织的至少一部分保持冷冻,显着降低涉及许多方法的程序的总体时间 插入/冻结/去除循环。