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Perfusion balloon and radioactive wire delivery system

  • US 6,398,708 B1
  • Filed: 10/28/1998
  • Issued: 06/04/2002
  • Est. Priority Date: 02/29/1996
  • Status: Expired due to Term
First Claim
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1. An intravascular radioactive radiation delivery catheter, comprising:

  • an elongate shaft having a proximal portion, a distal portion and an inner tube having an inner lumen for the passage of a radioactive source therethrough;

    a helical centering balloon connected to the distal portion of the shaft; and

    a perfusion tube disposed on the distal end of the elongate shaft and through the helical balloon, the perfusion tube having a proximal perfusion port, a perfusion lumen and a distal perfusion port for the passage of blood therethrough.

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