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Cardiac valve implant with energy absorbing material

  • US 7,396,364 B2
  • Filed: 05/06/2005
  • Issued: 07/08/2008
  • Est. Priority Date: 06/29/2004
  • Status: Expired due to Fees
First Claim
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1. An adjustable annuloplasty device comprising:

  • a body member comprising a shape memory material;

    an energy absorption enhancement material configured to absorb energy in response to a first activation energy, said energy absorption enhancement material in thermal communication with said shape memory material;

    wherein said body member has a first size of a body dimension in a first configuration and a second size of said body dimension in a second configuration;

    wherein said body member is configured to be implanted in said first configuration into a heart;

    wherein said body member is configured to transform from said first configuration to said second configuration in response to said first activation energy;

    wherein said second configuration is configured to reduce a dimension of a cardiac valve annulus in said heart;

    wherein said body member has a third size of said body dimension in a third configuration;

    wherein said third size is larger than said second size; and

    wherein said body member is configured to transform to said third configuration in response to a second activation energy to increase said dimension of said cardiac valve annulus.

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