Determining a characteristic of a lumen by measuring velocity of a contrast agent
US11064964B2 · kind B2 · utility
2Cited by
215References
21Claims
0Family size
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Key dates
| Filing date | Dec 27, 2013 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Mar 7, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/958
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus and methods are described for use with a plurality of angiographic image frames of a moving lumen of a subject, including aligning the image frames with each other. Using the aligned image frames, a time it takes a contrast agent to travel a known distance through the lumen is determined. At least partially in response thereto, a characteristic of the lumen is determined, and, in response to the determined characteristic, an output is generated on a display. Other applications are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.