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Balloon attachment at catheter tip

  • US 5,964,778 A
  • Filed: 03/17/1998
  • Issued: 10/12/1999
  • Est. Priority Date: 03/17/1998
  • Status: Expired due to Term
First Claim
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1. A medical catheter adapted for use within a body vessel with a guidewire, the medical catheter comprising:

  • a guidewire shaft having a guidewire lumen which is adapted to receive the guidewire;

    a sleeve attached to the guidewire shaft after extrusion of the guidewire shaft; and

    an inflatable balloon having a distal tail which is thermally bonded to the sleeve to attach the distal tail of the balloon to the sleeve;

    wherein the balloon includes a distal cone section which encircles both a portion of the quidewire shaft and a portion of the sleeve.

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