DETECTION OF MECHANICAL STRESS ON COATED ARTICLES
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United States of America Patent
Stats
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N/A
Issued Date -
Mar 13, 2014
app pub date -
Mar 14, 2012
filing date -
Mar 14, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
A medical device comprising a wall, a coating of SiOx, and a piezochromic material is disclosed. The piezochromic material is associated with the wall, and changes its appearance when the wall is exposed to mechanical stress exceeding a threshold intensity. Also disclosed is a method of interrogating a closed medical device for processing damage, comprising at least the acts of providing a closed medical device and inspecting the medical device. The medical device is inspected from the exterior for a change in the appearance of at least some of its piezochromic material that is characteristic of exposure of the wall to mechanical stress exceeding a threshold intensity greater than zero. Optionally in any embodiment inspecting is carried out using a spectrophotometer to determine the change in the color of at least some of its piezochromic material.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| JP | A | JP2014517711 | Mar 14, 2012 |
| CN | A | CN103889705 | Mar 14, 2012 |
| EP | A2 | EP2686045 | Mar 14, 2012 |
| CA | A1 | CA2830226 | Mar 14, 2012 |
| WO | A2 | WO2012125736 | Mar 14, 2012 |
International Classification(s)
- 2012 Application Filing Year
- G01L Class
- 815 Applications Filed
- 694 Patents Issued To-Date
- 85.16 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 64 Citation Count
- G01L Class
- 98.87 % this patent is cited more than
- 11 Age