Imaging techniques using an imaging guidewire
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United States of America Patent
Stats
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Jun 25, 2019
Grant Date -
Aug 25, 2016
app pub date -
Oct 1, 2014
filing date -
Oct 4, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Techniques for imaging are disclosed. In one example, the disclosure is directed to a sensor positioned on an elongate optical fiber. The sensor comprises a plurality of blazed Bragg gratings configured to generate acoustic energy for imaging a region in response to a first optical signal, an interferometer configured to sense acoustic energy from the region and to provide a responsive second optical signal, the interferometer including a first fiber Bragg grating (FBG) and a second FBG, wherein the plurality of blazed Bragg gratings are positioned between the first and second FBGs.
First Claim
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International Classification(s)
- 2014 Application Filing Year
- G01H Class
- 190 Applications Filed
- 148 Patents Issued To-Date
- 77.90 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 5 Citation Count
- G01H Class
- 44 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 25, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 25, 2030 |
