Multilayer tubular structure with application in catheter manufacturing
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United States of America Patent
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Issued Date -
Apr 7, 2005
app pub date -
Aug 6, 2004
filing date -
Feb 26, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention concerns a multilayer tubular body for the manufacture of catheter devices, which comprises an outer layer having certain mechanical properties and weldability, an inner layer with lubricious characteristics and forming at least one longitudinal lumen, and one intermediate bonding layer between the outer and inner layers. The intermediate bonding layer is, in cross-section, interrupted and in the form of spaced apart circular sectors, and the inner layer has on the inside portions which alternate with the sectors in the intermediate layer.
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