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Stent delivery system

  • US 8,951,297 B2
  • Filed: 06/28/2012
  • Issued: 02/10/2015
  • Est. Priority Date: 12/28/2009
  • Status: Active Grant
First Claim
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1. A stent delivery system comprising:

  • a stent formed into a substantially cylindrical shape,an inner tube body having a guidewire lumen, anda stent housing tube body that houses the stent in a distal portion,wherein the stent is configured to be compressed in a center axis direction when being inserted into a living body and expanded outward to be restored to a shape before compression when being indwelled in a living body,wherein the stent is disposed so as to cover a distal portion of the inner tube body, the stent being discharged by moving the stent housing tube body toward a proximal side relative to the inner tube body,wherein an inner surface of the stent housing tube body from at least a distal end of the stent housing tube body to a proximal part of a stent housing portion is a substantially polygonal prism inner surface extending along an axial direction of the stent housing tube body.

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