Medical coating test apparatus and method
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United States of America Patent
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Issued Date -
Apr 20, 2006
app pub date -
Oct 18, 2004
filing date -
Oct 18, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention presents novel apparatus and methods to address the problem of measuring surface characteristics of a coated medical device. A preferred embodiment of the invention incorporates a processor-controlled transport module to move a test sample at a predetermined velocity profile past a variety of fixtures. The fixtures include a processor-based, feedback-controlled servo mechanism that applies an predetermined normal force on a test sample with selected test surfaces to measure dynamic friction, abrasion resistance and durability of a coating. More generally, the invention can be used to characterize surface and pull or push properties of a wide variety of objects that also include threads, filaments, rods, tubing, wires, extrusions, films and ribbons.
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