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Autoperfusion dilatation catheter having a bonded channel

  • US 5,295,959 A
  • Filed: 03/13/1992
  • Issued: 03/22/1994
  • Est. Priority Date: 03/13/1992
  • Status: Expired due to Fees
First Claim
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1. An autoperfusion dilatation balloon catheter useful in angioplasty comprisinga catheter shaft,mounted on said shaft, an inflatable non-elastomeric balloon having an outer surface and proximal and distal ends disposed along the length of said catheter shaft, said balloon when inflated having a channel in its outer surface whereby when said balloon is fully inflated and exerts pressure on the inner surface of a blood vessel in which blood is flowing, blood continues flowing between said outer surface of said balloon and said inner surface of said blood vessel through said channel, anda band tightly mounted over the outside surface of said balloon on a line along the length of said catheter shaft and fixedly attached to said catheter shaft at or beyond each of said balloon proximal and distal ends, whereby said band exerts a force on said balloon outside surface directed inward toward said catheter shaft along said line when said balloon is inflated, whereby said channel is formed in said balloon outer surface when inflated.

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