Exchange method for emboli containment

  • US 6,986,778 B2
  • Filed: 01/23/2001
  • Issued: 01/17/2006
  • Est. Priority Date: 05/20/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. A catheter system for emboli containment, comprising:

  • a guidewire having a proximal end and a distal end;

    an occlusive device connected to the distal end of the guidewire, the occlusive device being actuatable between an expanded state in which the occlusive device engages at least a portion of the walls of a blood vessel, and a nonexpanded state in which the occlusive device does not engage the walls of the blood vessel;

    a first treatment catheter having a proximal end and a distal end and a lumen extending therethrough; and

    a second treatment catheter having a proximal end and a distal end and a lumen extending therethrough;

    wherein the first treatment catheter is adapted to be delivered over and then removed from the guidewire, and the second treatment catheter is adapted to be delivered over and then removed from the guidewire following removal of the first treatment catheter, and wherein the occlusive device is capable of maintaining its expanded state while the first treatment catheter is removed from the guidewire and while the second treatment catheter is delivered over the guidewire;

    wherein the occlusive device is a self-expanding sealing member.

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