Stent cover
First Claim
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1. A stent cover, comprising:
- a tubular section of elastomeric material for covering an unexpanded stent wherein such tubular section is dimensioned and has an elasticity selected so as to constrain the expansion of such stent, and wherein a pattern of perforations formed in said tubular section is selected to modify the elasticity of the section and thereby constrain the expansion of the underlying stent to a preselected configuration along its length.
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Abstract
A stent cover of elastic material having a very precisely defined pattern of elongated perforations formed therein so as to control the expansion of the stent to a preselected shape. Once in place and expanded, the cover additionally prevents the prolapse of lumen wall tissue as well as the escape of embolic materials. The pattern of perforations opens into a pattern of openings that promote the proliferation of endothelial tissue and hence the healing of the lumen at the deployment site.
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Citations
14 Claims
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1. A stent cover, comprising:
a tubular section of elastomeric material for covering an unexpanded stent wherein such tubular section is dimensioned and has an elasticity selected so as to constrain the expansion of such stent, and wherein a pattern of perforations formed in said tubular section is selected to modify the elasticity of the section and thereby constrain the expansion of the underlying stent to a preselected configuration along its length. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
Specification