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Stent delivery systems and methods for use

  • US 10,058,443 B2
  • Filed: 11/01/2012
  • Issued: 08/28/2018
  • Est. Priority Date: 11/02/2011
  • Status: Active Grant
First Claim
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1. A stent delivery system, comprising:

  • an inner shaft having a distal region;

    a stent disposed about the distal region;

    a single intermediate shaft disposed over the inner shaft and positioned proximally of the stent, a distal end of the intermediate shaft comprising a bumper that is disposed adjacent a proximal end of the stent, wherein the intermediate shaft includes a supported region having a reduced wall thickness, the supported region positioned at a proximal end of the intermediate shaft;

    a support member positioned along the supported region;

    a deployment sheath slidably disposed over the intermediate shaft and the support member, the deployment sheath comprising a proximal end and a distal end;

    a gear rack assembly attached to the proximal end of the deployment sheath with a clip, and a clip member is positioned within a groove of the gear rack assembly near the inner shaft and intermediate shaft such that the clip member can be associated therewith to fix a longitudinal position of the inner shaft and the intermediate shaft relative to the handle;

    a handle coupled to the deployment sheath; and

    wherein the proximal portion of the intermediate shaft is disposed within the handle.

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