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Tissue marking implant

  • US 7,637,948 B2
  • Filed: 04/19/2005
  • Issued: 12/29/2009
  • Est. Priority Date: 10/10/1997
  • Status: Expired due to Term
First Claim
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1. An implant system for filling a cavity formed by removal of soft tissue from a site within a patient'"'"'s breast comprising:

  • an elongated delivery cannula having a proximal and a distal end and an inner lumen extending therein;

    a compressed resilient implant disposed within the inner lumen of the delivery catheter and formed of foamed or sponge matrix material which is at least in part bioabsorbable and which has a marking material, the implant being formed to fit the cavity in the patient'"'"'s breast, and configured to support tissue surrounding the cavity when delivered thereto and expanded therein and to allow in-growth of fibrous tissue into and replacing at least a portion of the foamed or sponge matrix material.

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