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Catheter and guidewire exchange system with improved catheter design

  • US 20050171568A1
  • Filed: 01/30/2004
  • Published: 08/04/2005
  • Est. Priority Date: 01/30/2004
  • Status: Abandoned Application
First Claim
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1. A catheter guiding assembly, comprising:

  • a catheter, comprising;

    an elongate shaft having an exterior surface, a proximal end, and a distal end, a first lumen extending through the shaft from the shaft proximal end to the shaft distal end, and sized to receive a guidewire, and a guideway extending from the shaft proximal end to the shaft distal end, and enabling transverse access from the shaft exterior surface to the first lumen; and

    a catheter advancing and retracting apparatus, comprising;

    an elongate housing having a proximal end and a distal end, an opening formed through the housing from the housing proximal end to the housing distal end and adapted to receive the catheter, a wheel port formed in the housing between the housing proximal and distal ends and in communication with the opening, and a wheel secured in the wheel port and sized to radially extend into the catheter guideway when the catheter is received in the opening.

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