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Controlled deployment of a medical device

  • US 5,545,209 A
  • Filed: 06/30/1994
  • Issued: 08/13/1996
  • Est. Priority Date: 09/30/1993
  • Status: Expired due to Term
First Claim
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1. A prosthesis delivery system comprising:

  • a ballon catheter extending over a length and having an inflatable balloon on its exterior, said balloon being inflatable by injection of fluid through a lumen in said catheter, and said balloon being initially partially constrained against inflation by a slidable constraint surrounding a portion of said balloon, said constraint configured such that the injection of fluid into said balloon causes said constraint to slide axially along said balloon, permitting inflation of further portions of said balloon, anda tubular prosthesis disposed on said catheter over at least a portion of said balloon and a portion of said constraint, said tubular prosthesis having a contracted condition and an expanded condition, said tubular prosthesis being initially disposed on said catheter in said contracted condition.

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