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Balloon catheter

  • US 9,011,511 B2
  • Filed: 02/19/2010
  • Issued: 04/21/2015
  • Est. Priority Date: 02/20/2009
  • Status: Expired due to Fees
First Claim
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1. A bifurcated stent delivery system, comprising:

  • an elongate shaft including a proximal section defined by a tubular member, a midshaft section, and a distal section;

    wherein a proximal end of the midshaft section is coupled to a distal terminal end of the proximal section tubular member by an outer tubular member disposed around the elongate shaft and an inner tubular member disposed inside the elongate shaft;

    wherein the proximal section includes a tubular member having a plurality of slots formed therein, wherein the slots are arranged in one or more sections having differing slot densities, wherein the slots are arranged in two or more axially spaced circumferential sections within the proximal section, the slots in axially adjacent sections having differing slot depths;

    wherein the midshaft section includes a guidewire port in fluid communication with a guidewire lumen formed in the shaft, wherein the distal terminal end of the proximal section tubular member is proximal of the midshaft guidewire port;

    a main branch balloon coupled to the shaft;

    a side branch balloon disposed adjacent to the main branch balloon; and

    a stent disposed on the main branch balloon and on the side branch balloon.

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