Radiopaque, optically translucent thermoplastic compounds
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Sep 8, 2014
filing date -
Sep 6, 2013
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Abstract
A radiopaque, optically translucent thermoplastic polyurethane compound is disclosed. The use of nano-sized particles of barium sulfate optionally in combination with a minor amount of certain dispersion aids allows the barium sulfate to be sufficiently dispersed within the thermoplastic polyurethane to retain optical translucency according to a defined Haze Determination Test. Medical devices, needing both visual spectrum observation before and during in-vivo medical use and radiopacity monitoring during in-vivo medical use, benefit from this compound. Optionally, a surface enhancer can also be used.
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International Classification(s)
- G21F:PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, C....
- C09J:ADHESIVES; ADHESIVE PROCESSES IN GENERAL
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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