Non-PVC coextruded medical grade port tubing
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United States of America Patent
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Oct 18, 1994
Grant Date -
N/A
app pub date -
May 14, 1992
filing date -
May 14, 1992
priority date (Note) -
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status (Latency Note)
Importance
Abstract
The present invention provides an improved coextruded medical grade port tubing. The medical grade port tubing provides characteristics that are desirable in the medical industry and therefore can be used as a medical port tubing in, for example, renal therapy or blood donor tubes. To this end, the present invention provides a non-PVC coextruded medical grade port tubing including: an outer layer comprising a blend of polypropylene copolymer and styrene-ethylene-butylene-styrene copolymer; a tie layer; and a core layer including a blend of polyamide and ethylene vinyl acetate.
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