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    • 5. 发明申请
    • INTRAGASTRIC BALLOON DEVICE ADAPTED TO BE REPEATEDLY VARIED IN VOLUME WITHOUT EXTERNAL ASSISTANCE
    • 适用于不经外部帮助的体积变化的内部气球装置
    • WO0240081A3
    • 2003-04-03
    • PCT/US0151202
    • 2001-11-13
    • SYNTHEON LLCBALES THOMAS OSMITH KEVIN W
    • BALES THOMAS OSMITH KEVIN W
    • A61F5/00A61M29/00
    • A61F5/003A61F5/004
    • An intragastic balloon device (10) includes a flexible bladder (12), a relatively rigid reservoir (14) coupled to the bladder and adapted to hold a bladder inflation fluid, and an inflation/deflation system (18) is adapted to move or permit movement of the fluid from the reservoir and into the bladder. The intragastric balloon device (10) is sized such that it may be positioned, in its entirety, into the stomach cavity. Various systems may be used to move or permit movement of the fluid. In several embodiments, the system (18) is a pump (20) which moves the fluid between the reservoir and the bladder. In other embodiments, the system includes a mechanism for heating a fluid to cause the heated fluid to expand the bladder. In yet another embodiment, no reservoir is employed and a pump pumps stomach fluid into the bladder to inflate the bladder. A control mechanism (22) is provided to automatically activate the inflation/deflation system. The automatic activation may be actuivated by a combination of one or more of a timer, the temperature of the stomach, the pressure in the stomach, the mechanical stress in the stomach, or another sensed condition, at which the control system is programmed or otherwise configured to activate. The control system (22) is preferably reprogammable via an external transmitter. In addition, the control system (22) and the pump (20), where utilized, are preferably battery-powered (24) such that the intragastric balloon device is self-contained.
    • 内窥镜气囊装置(10)包括柔性囊(12),联接到膀胱并适于保持膀胱充气流体的相对刚性的储存器(14),并且充气/放气系统(18)适于移动或允许 流体从储存器移动到气囊中。 胃内气囊装置(10)的尺寸使得其可以整体地定位到胃腔中。 可以使用各种系统来移动或允许流体的移动。 在几个实施例中,系统(18)是泵(20),其在储器和气囊之间移动流体。 在其他实施例中,系统包括用于加热流体以使加热的流体膨胀囊的机构。 在另一个实施例中,不使用储存器,并且泵将胃液泵入膀胱以使膀胱膨胀。 提供控制机构(22)以自动启动充气/放气系统。 自动激活可以由定时器,胃的温度,胃中的压力,胃中的机械应力或另一个感测到的条件中的一个或多个的组合来实现,其中控制系统被编程或以其他方式 配置为激活。 控制系统(22)优选地经由外部发射器是可消除的。 此外,其中利用的控制系统(22)和泵(20)优选地由电池供电(24),使得胃内气囊装置是独立的。