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Method of and apparatus for intraparenchymal positioning of medical devices

  • US 5,931,818 A
  • Filed: 11/12/1997
  • Issued: 08/03/1999
  • Est. Priority Date: 08/29/1997
  • Status: Expired due to Term
First Claim
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1. In combination with a catheter having a proximal and distal end and a lumen therebetween, a magnet in the distal end of the lumen so that the distal end of the catheter can be positioned within the body with the aid of an externally applied magnetic field, and a tether attached to the magnet and extending through the lumen and out the proximal end so that the magnet can be removed from the catheter through the lumen once the distal end of the catheter is properly positioned.

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