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    • 10. 发明申请
    • Shape memory shutter device
    • 形状记忆快门装置
    • US20050256465A1
    • 2005-11-17
    • US11116227
    • 2005-04-28
    • Piero PerloValentina Grasso
    • Piero PerloValentina Grasso
    • A61F2/00A61F2/02A61F5/00A61F5/44A61F5/451A61F13/20A61M1/00
    • A61F2/0022A61F5/0093A61F5/451A61F2210/0014A61F2250/0001
    • A shape memory shutter device for controlling the rectum of a disabled person, comprising a section of conduit to be connected to the rectum of the disabled person, shutter means which control the passage through the conduit section and shape memory actuator means for actuating said shutter means. The shutter means comprise a plurality of petals positioned circumferentially around said conduit section and able to move between a closed and an open position. The actuator means preferably comprise shape memory wires, for example associated directly to the petals and means for supplying an electrical current through said wires to cause its opening. Preferably, sensors of the presence of material to be evacuated within the device are provided, to generate an alarm signal that can be detected by the patient. The patient can thus positively command the opening of the shutter device. In the case of a completely disabled patient, the opening of the shutter device can be obtained automatically as a result of the detection of material to be evacuated, in which case to the device is associated a disposable pouch for the collection of the evacuated material.
    • 一种用于控制残疾人的直肠的形状记忆快门装置,包括要连接到残疾人的直肠的导管部分,控制通过导管部分的通道的快门装置和用于致动所述快门装置的形状记忆致动器装置 。 快门装置包括围绕所述导管部分周向设置并能够在关闭位置和打开位置之间移动的多个花瓣。 致动器装置优选地包括例如与花瓣直接相关联的形状记忆线,以及用于通过所述线提供电流以使其开口的装置。 优选地,提供了在装置内被抽空的材料的存在的传感器,以产生可由患者检测的报警信号。 因此,患者可以肯定地指示快门装置的打开。 在完全残疾的患者的情况下,由于检测要抽真空的材料,可以自动获得快门装置的打开,在这种情况下,该装置与用于收集抽空材料的一次性袋相关联。