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Automatically adjusting band system with MEMS pump

  • US 8,057,492 B2
  • Filed: 02/12/2008
  • Issued: 11/15/2011
  • Est. Priority Date: 02/12/2008
  • Status: Expired due to Fees
First Claim
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1. A restriction system for forming a restriction in a patient, comprising:

  • an implantable restriction device that is adjustable and configured to form a restriction in a patient; and

    an implantable micro-electro-mechanical systems (MEMS) pump in fluid communication with the restriction device;

    the system being configured to default to a state in which the restriction is at least one of relaxed or opened in the event of a malfunction or a loss of power.

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