CONTROLLING PRESSURE IN ADJUSTABLE RESTRICTION DEVICES
First Claim
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1. A system for forming a restriction in a patient, comprising:
- a restriction device configured to form a restriction in a pathway, an amount of restriction corresponding to an amount of fluid in the restriction device; and
a control mechanism coupled to the restriction device and configured to receive energy, and wherein energy supplied to the control mechanism is effective to increase a pressure of the fluid in the restriction device, and wherein the control mechanism defines a maximum pressure that the pressure cannot exceed.
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Abstract
Methods and devices are provided for regulating a hydraulic restriction system including a restriction device. In general, the methods and devices can allow for non-invasive, transient pressure control. The methods and devices can also, in some embodiments, mechanically regulate pressure of the restriction device without using any electrical components that may need to be powered to operate over extended periods of time.
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Citations
35 Claims
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1. A system for forming a restriction in a patient, comprising:
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a restriction device configured to form a restriction in a pathway, an amount of restriction corresponding to an amount of fluid in the restriction device; and a control mechanism coupled to the restriction device and configured to receive energy, and wherein energy supplied to the control mechanism is effective to increase a pressure of the fluid in the restriction device, and wherein the control mechanism defines a maximum pressure that the pressure cannot exceed.
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2. A system for forming a restriction in a patient, comprising:
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a restriction device configured to form a restriction in a pathway; a pumping mechanism configured to pump fluid between a fluid source and the restriction device; and an energy release mechanism coupled to the pumping mechanism and configured to release stored potential energy to activate the pumping mechanism to pump fluid between a fluid source and the restriction device. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of forming a restriction in a patient, comprising:
applying energy to an energy charging mechanism that delivers the energy to an energy storage mechanism which stores the energy, the energy storage mechanism releasing the stored energy to cause fluid to flow from a fluid source into a restriction device that is implanted to form a restriction in a pathway. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A system for forming a restriction in a patient, comprising:
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a restriction device configured to form a restriction in a pathway; a flexible pump coupled to the restriction device and configured to release fluid from a fluid source into the restriction device when the flexible pump is manually activated; and a valve coupled to the restriction device and configured to open to allow fluid to flow out of the restriction device when a pressure of fluid in the restriction device is greater than a pre-set pressure limit. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A method of forming a restriction in a patient, comprising:
pumping a subcutaneous flexible pump that is coupled to a restriction device that is implanted to form a restriction in a pathway to cause fluid to flow from a fluid source into the restriction device, wherein, when a pressure of fluid in the restriction device is greater than a pre-set pressure limit of a valve coupled to the restriction device, the valve opens to allow fluid to flow out of the restriction device. - View Dependent Claims (33, 34, 35)
Specification