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Temporary stent and methods for use and manufacture

  • US 5,222,971 A
  • Filed: 10/09/1990
  • Issued: 06/29/1993
  • Est. Priority Date: 10/09/1990
  • Status: Expired due to Term
First Claim
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1. A removable stent for temporarily supporting a region of a vessel in a body comprising:

  • a stent portion comprised of;

    an elongate perfusable vessel supporting portion adapted to be configurable between a reduced size for placement in the vessel and removal therefrom and an expanded size for structurally supporting the vessel in the region; and

    perfusable end portions connected to and forming ends of said vessel supporting portion and adapted to allow fluid flow therethrough,and further in which said stent portion is comprised of a plurality of helically wound flat wires forming an elongate hollow tube in which the cross sectional dimension of the flat wires in the radial direction is less than the cross sectional dimension of the flat wires in the tangential direction; and

    an actuator portion having a proximal end extending out of the body and a distal end connected to said stent portion and operable by manipulation at said proximal end to configure said support portion into said reduced size and said expanded size.

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