Radially expandable polytetrafluoroethylene
This invention relates to polytetrafluoroethylene (hereinafter PTFE) materials which, after being radially expanded, retain their the structural integrity. Extruded, stretched, sintered tubular PTFE materials are produced which are suited for use in the medical field as liners and covers for expanda...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | This invention relates to polytetrafluoroethylene (hereinafter PTFE) materials which, after being radially expanded, retain their the structural integrity.
Extruded, stretched, sintered tubular PTFE materials are produced which are suited for use in the medical field as liners and covers for expandable stents. The PTFE materials have an unusually low REC (Radial Expansion Coefficient) and RER (Radial Expansion Ratio). |
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