×

Cytoscope delivery system

  • US 5,782,838 A
  • Filed: 04/21/1997
  • Issued: 07/21/1998
  • Est. Priority Date: 10/20/1994
  • Status: Expired due to Fees
First Claim
Patent Images

1. A cystoscope delivery system for implanting a flexible, generally cylindrical, expandable stent, comprising:

  • a rigid sheath having distal and proximal ends, said sheath defining a central lumen and at least one secondary lumen extending therethrough and having two longitudinally displaced openings extending from a secondary lumen radially to the surface of the sheath,a cystoscope comprising a distal scope member and a proximal viewing head, the distal scope member extending distally through the central lumen and being removable therefrom,a flexible, expandable stent having discrete proximal and distal ends, said stent being positioned circumferentially around said sheath,at least one release wire positioned in and extending through said at least one secondary lumen, andtwo or three restraining means, two of which are positioned at said distal and proximal ends of the stent and each having a restraining member extending over a respective end of the stent, said at least one release wire extending through said openings to hold at least one end of the stent and thus to hold the stent in position, such that when said at least one release wire is pulled proximally, at least one end of the stent is released from the restraining member to permit the stent to expand.

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