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Percutaneous mapping system

  • US 6,241,665 B1
  • Filed: 10/21/1998
  • Issued: 06/05/2001
  • Est. Priority Date: 10/21/1998
  • Status: Expired due to Fees
First Claim
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1. A percutaneous mapping system comprising:

  • a catheter for percutaneous insertion into an internal body, the catheter including a treatment tip;

    a separate mapping wire for percutaneous insertion into an internal body cavity, the wire having a plurality of spaced imaging markers; and

    an inserting device for deploying said mapping wire in a spiral configuration inside said cavity with said markers distributed about the inner wall of said cavity for mapping the cavity and determining the position of the tip of the catheter within the body, wherein said wire includes a straight stylet and said insertion device includes an outer sheath means surrounding and fixed to said stylet at its tip and bearing said image marker means for advancing the wire with said stylet in a straight shape into the cavity and torquing it to assume a spiral shape in the cavity.

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