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Metal medical device

  • US 6,497,709 B1
  • Filed: 05/05/1997
  • Issued: 12/24/2002
  • Est. Priority Date: 03/31/1992
  • Status: Expired due to Fees
First Claim
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1. A medical device, comprising:

  • a filter for placement within a channel within a body to filter a body fluid flowing through the channel, the filter including a wire-form member which comprises an outer metal member and a core disposed within the outer metal member, the outer metal member comprising a first metal and the core comprising a second metal different than the first metal, wherein the second metal has a density greater than the first metal, and the core has a thickness sufficient to enhance the radiopacity of the filter when placed within the body.

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