×

Stent introducer apparatus

  • US 20040133264A1
  • Filed: 10/14/2003
  • Published: 07/08/2004
  • Est. Priority Date: 02/04/2000
  • Status: Abandoned Application
First Claim
Patent Images

1. A stent delivery system for use in target duct or vessels having an acute bend at a known general location in the body of a patient, comprising:

  • a pusher assembly that includes a pusher member configured to urge a preloaded stent from an introducer catheter into which it is slidably disposed, the pusher member being adapted to engage a proximal end of the stent, the pusher assembly comprising a first and a second tubular portion, at least a portion of the second tubular portion extending distal of the first tubular portion, the second tubular portion including a flexible section, the flexible section having a degree of flexibility that is greater than that of the first tubular section, and a stent-carrying section located distal to the flexible section, the pusher member being located along the second tubular section at point that is proximal to the stent-carrying section and is distal to the flexible section;

    the flexible section of the second tubular portion having a preselected length and location along the pusher assembly such that when the pusher assembly and the preloaded stent are disposed within the introducer catheter and are subjected to lateral bending stresses at the known general location in the body, the flexible section of the second tubular portion traverses the known general location in the body, whereby the likelihood of a kink occurring in the introducer catheter is greatest within a region corresponding to the region of greatest flexibility of the pusher assembly.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×