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System for implanting a replacement valve

  • US 20030199963A1
  • Filed: 04/23/2002
  • Published: 10/23/2003
  • Est. Priority Date: 04/23/2002
  • Status: Active Grant
First Claim
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1. A system for percutaneously inserting a biological valve prosthesis in an implantation site that includes an elongated catheter having a proximal end and a distal end, an elongated inflatable balloon mounted at the distal end of said catheter, said balloon being connected to means for inflating and deflating said balloon, a protective shield slidably mounted upon said catheter for movement between a first closed position wherein said balloon is located under the shield and a second open position wherein said shield is moved back clear of said shield to free said balloon for inflation, a center lumen passing through said catheter, said center lumen being fabricated of stainless steel tubing such that the torque ratio between the distal end and the proximal end of the catheter is about one to one.

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