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Breast implant with internal flow dampening

  • US 9,333,070 B2
  • Filed: 09/30/2013
  • Issued: 05/10/2016
  • Est. Priority Date: 02/01/2008
  • Status: Expired due to Fees
First Claim
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1. An implantable breast prosthesis, comprising:

  • a soft, flexible outer membrane comprising a convex anterior wall and a flat posterior wall, the membrane having a volume, a maximum height, and a maximum diameter of the posterior wall;

    a flowable substance contained within the membrane and configured to flow within the membrane, wherein the flowable substance comprises saline or water; and

    an open cell structure positioned inside the membrane, the open cell structure being filled with the flowable substance so that the open cell structure dampens motion of the flowable substance within the membrane,wherein the open cell structure has a natural, unbiased shape when not positioned inside the membrane, the natural, unbiased shape being larger than the membrane,the membrane holding the open cell structure in a compressed state when the open cell structure is positioned inside the membrane, the compressed state being smaller than the natural, unbiased shape, andwherein the open cell structure has a volume in its natural, unbiased shape that is 5% to 20% larger than the volume of the membrane, andwherein the natural, unbiased shape of the open cell structure has at least one of (1) a height which is 5% to 20% larger than the maximum height of the membrane and (2) a diameter which is 5% to 20% larder than the maximum diameter of the posterior wall.

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