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US 12,708,753 B2Granted
Medical tubing and formulations therefor
AssigneeCareFusion 303, Inc.
InventorsMildred Calistri-Yeh, Zehra Sevinc, Seth Strand
Life of this patent
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Abstract
Medical tubing has at least one layer having a composition prepared from a melt blend of (i) a thermoplastic material, (ii) a filler and (iii) a heat reactive coupling agent. The medical tubing can have a kink resistance no worse than a medical tube composed of polyvinyl chloride with the same tubing wall dimensions. The medical tubing can be multilayer and can include single lumen and multi-lumen tubing.
Claims22
A medical tubing comprising:
- an inner layer having a polyolefin;
- and
- an outer layer having a composition prepared from a melt blend of (i) a thermoplastic material including one or more of a thermoplastic olefin or a thermoplastic elastomer, or a blend thereof, (ii) a non-silane reactive filler and (iii) a heat reactive coupling agent, wherein the heat reactive coupling agent couples the non-silane reactive filler to the thermoplastic material, wherein the outer layer is at least one of:
- substantially free of polyvinyl chloride or substantially free of plasticizer.
1 more element
Dependencies are inferred from the claim text.