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Implantable self-inflating attenuation device

  • US 6,988,983 B2
  • Filed: 03/17/2003
  • Issued: 01/24/2006
  • Est. Priority Date: 04/14/2000
  • Status: Expired due to Term
First Claim
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1. An attenuation device, comprising:

  • a flexible housing, defining a chamber therein, the housing inflatable from a first, deflated configuration to a second, at least partially inflated configuration, the first configuration facilitating introduction of the device into a patient'"'"'s bladder, the second configuration facilitating attenuation of pressure changes in the bladder;

    a chemical medium capable of a transformation to inflate the housing from the first configuration to the second configuration; and

    an initiator, for initiating the transformation;

    wherein the chemical medium and the initiator are initially physically separated from each other; and

    wherein a chemical reaction occurs within the device when the chemical medium comes into contact with the initiator, thereby causing the housing to inflate from the first configuration to the second configuration.

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