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    • 10. 发明申请
    • TEMPORARY CATHETER FOR BIOPSY SITE TISSUE FIXATION
    • 用于生物场地组织固定的临时导管
    • WO2007097956A2
    • 2007-08-30
    • PCT/US2007/003877
    • 2007-02-14
    • SENORX, INC.LUBOCK, PaulJONES, Michael, L.
    • LUBOCK, PaulJONES, Michael, L.
    • A61M25/10A61B17/00A61B17/22A61N5/10
    • A61M29/02A61B10/0041A61B17/0218A61B90/02A61B2017/00557A61B2017/00796A61B2090/3908A61M25/10A61M29/00A61M2025/1095A61N5/1015
    • Devices and methods are provided for temporarily maintaining access to a body cavity in a targeted tissue region within a patient's body. One embodiment of the catheter device includes an elongated shaft having a proximal shaft section which is flexible enough to be folded or coiled into a configuration for deployment within the patient. An alternate embodiment includes a catheter device having one or more detachable proximal shaft sections and having at least one one-way valve to restrict fluid flow of inflation fluid to flow to the balloon. After deployment of the catheter device completely within the patient, the opening through which the catheter device is deployed is closed, e.g. by sutures, adhesives and the like to minimize infection at the site. Within a few days or weeks after the tissue has been evaluated for cancer, the temporary catheter device may be removed from the patient. If cancer or pre-cancer cells are found in the specimen removed from the cavity, then a radiation balloon catheter or other irradiation device can be inserted into the patient to irradiate tissue surrounding the biopsy cavity to ensure that cancer cells within the tissue surrounding the cavity are killed.
    • 提供了用于暂时维持对患者体内的目标组织区域中的体腔的访问的装置和方法。 导管装置的一个实施例包括细长轴,其具有近侧轴部,该近端轴部足够柔性以折叠或卷绕成用于部署在患者体内的构造。 替代实施例包括具有一个或多个可分离近侧轴部分并且具有至少一个单向阀以限制充气流体流入气囊的流体流动的导管装置。 在将导管装置完全展开在患者体内之后,将导管装置展开的开口关闭,例如, 通过缝线,粘合剂等来最小化现场的感染。 在组织已经被评估癌症后的几天或几周内,临时导管装置可以从患者身上移除。 如果在从腔中取出的样品中发现癌症或癌前细胞,则可以将放射气球导管或其它照射装置插入患者体内以照射活检腔周围的组织,以确保围绕腔的组织内的癌细胞 被杀