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    • 58. 发明申请
    • Self-expanding device for the gastrointestinal or urogenital area
    • 用于胃肠道或泌尿生殖区域的自扩张装置
    • US20060142794A1
    • 2006-06-29
    • US10546092
    • 2004-02-18
    • Andreas LendleinRobert Langer
    • Andreas LendleinRobert Langer
    • A61M29/00
    • A61K9/0065A61F2/04A61F6/00A61F2210/0004A61K9/0034A61K9/0036
    • Devices for treatments of diseases and disorders associated with the gastrointestinal tract, especially the stomach, or urinogenital tract are described herein. Initially, the device is in a temporary form which is suitable for oral or rectal administration. After exposure to a stimulus, such as a temperature or pH change, the device changes shape to a permanent form, which allows it to become mechanically fixed in the stomach, esophagus or intestine. In one embodiment, the device is used to reduce the volume of the stomach, esophagus or intestine without interfering with the flow of the food through the gastrointestinal tract. The device may be used to help overweight patients lose weight and to deliver drugs to treat disorders and diseases in the in the stomach or intestine. The devices are manufactured from a stimuli-sensitive polymeric material, which is biocompatible and primarily adapted to the mechanical properties and geometry in the area to which it is applied. In the preferred embodiment, the material is a shape memory polymer. Depending on the desired application, the polymer may be either biodegradable or non-degradable.
    • 用于治疗与胃肠道,特别是胃或泌尿生殖道相关的疾病和病症的装置在本文中描述。 最初,该装置是适合口服或直肠给药的临时形式。 在暴露于诸如温度或pH变化的刺激之后,该装置将形状改变为永久形式,这使其能够机械地固定在胃,食道或肠中。 在一个实施方案中,该装置用于减少胃,食道或肠的体积,而不干扰食物通过胃肠道的流动。 该装置可以用于帮助超重患者减肥并且递送药物以治疗胃或肠内的疾病和疾病。 这些装置由刺激敏感的聚合物材料制成,其是生物相容的并且主要适应于其所应用的区域的机械性质和几何形状。 在优选实施例中,该材料是形状记忆聚合物。 取决于所需的应用,聚合物可以是可生物降解的或不可降解的。