Enhanced visibility materials for implantation in hard tissue

  • US 6,309,420 B1
  • Filed: 10/14/1997
  • Issued: 10/30/2001
  • Est. Priority Date: 10/14/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A settable enhanced visibility composition comprising:

  • matrix material implantable in a flowable form; and

    radiopaque particles mixed in said matrix material, said particles including a first set of said radiopaque particles having a size between about 570μ and

    about 2200μ

    to be clearly and discretely viewable during implantation and a second set of said radiopaque particles having a size up to about 350μ

    to provide contrast.

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