Resectable self-expanding stent
First Claim
1. A stent for insertion into a tubular organ for maintaining the organ patent, comprising a single-piece, single-layer, non-braided tubular member having a single-plane fenestrated side wall exhibiting a pattern of regular cut-outs forming spaced openings, said tubular member radially compressible from a larger diameter to a smaller diameter and self-expandable when the radial compressive force is removed, the compression and later expansion producing a change in length of less than about 10%.
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Abstract
A stent for transluminal implantation comprising a single-piece tubular member having a fenestrated side wall exhibiting a pattern of uniformly spaced openings defined by intersecting strands where the strands are integrally joined together at their points of intersection whereby the tubular member can be radially compressed from a larger diameter to a smaller diameter by the application of a uniform inwardly directed radial force and which self-expands to a larger diameter when the radial compressive force is removed. The compression and subsequent self-expansion occurs without an appreciable change in the stent'"'"'s length. By forming the stent from a thermoplastic material, it may later be resected by carving it up into small pieces preferably using an electrosurgical instrument.
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Citations
10 Claims
- 1. A stent for insertion into a tubular organ for maintaining the organ patent, comprising a single-piece, single-layer, non-braided tubular member having a single-plane fenestrated side wall exhibiting a pattern of regular cut-outs forming spaced openings, said tubular member radially compressible from a larger diameter to a smaller diameter and self-expandable when the radial compressive force is removed, the compression and later expansion producing a change in length of less than about 10%.
Specification