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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0037261 (2008-02-26) |
등록번호 | US8034065 (2011-09-27) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 5 인용 특허 : 1073 |
Methods and devices are provided for regulating a hydraulic restriction system. In general, the methods and devices can allow for non-invasive pressure control using a flow control mechanism. The flow control mechanism can be disposed between an implantable restriction device and a fluid source and
Methods and devices are provided for regulating a hydraulic restriction system. In general, the methods and devices can allow for non-invasive pressure control using a flow control mechanism. The flow control mechanism can be disposed between an implantable restriction device and a fluid source and include an adjustable, variably-sized fluid communication member in fluid communication with the restriction device and the fluid source. The geometry of the fluid communication member can control a rate of fluid flow between the restriction device and the fluid source, thereby also regulating a rate at which a pressure of fluid within the restriction device changes. Alternatively, the fluid flow control mechanism can include a biasing mechanism that can control the rate of fluid flow between the restriction device and the fluid source.
What is claimed is: 1. A method of forming a restriction in a patient, comprising:implanting a gastric restriction device around a stomach to form a restriction that corresponds to a volume of fluid in the restriction device, and the restriction device receiving fluid from and delivering fluid to a
What is claimed is: 1. A method of forming a restriction in a patient, comprising:implanting a gastric restriction device around a stomach to form a restriction that corresponds to a volume of fluid in the restriction device, and the restriction device receiving fluid from and delivering fluid to a fluid source at a flow rate defined by a geometry of a flow control mechanism in fluid communication with and disposed between the restriction device and the fluid source; adjusting the geometry of the flow control mechanism to adjust the flow rate; wherein the flow control mechanism includes a flexible tube disposed within an internal cavity of a housing body having exterior walls that are flexible; wherein adjusting a geometry of the flexible tube comprises modifying an amount of a second fluid within the internal cavity to deform the exterior walls of the housing body and to change a longitudinal length of the flexible tube.
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