Photoacoustic imaging system, and laser energy correction method and prompting method therefor
US12336786B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2022 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Jun 15, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/0204
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed are photoacoustic imaging systems, and laser energy correction methods and prompting methods therefor, and photoacoustic imaging systems. The method includes: controlling a laser to transmit a first optical pulse to a target tissue; receiving a first acoustic wave generated by the target tissue absorbing the first optical pulse to acquire a first photoacoustic signal, and receiving a third acoustic wave generated by a marker absorbing the first optical pulse to acquire a third photoacoustic signal; controlling the laser to transmit a second optical pulse to the target tissue; receiving a second acoustic wave generated by the target tissue, and receiving a fourth acoustic wave generated by the marker; correcting a signal intensity of the first photoacoustic signal based on a signal intensity of the third photoacoustic signal together with a first absorption coefficient of the marker with respect to the first optical pulse, and correcting a signal intensity of the second photoacoustic signal based on the fourth photoacoustic signal together with a second absorption coefficient of the marker with respect to the second optical pulse; and acquiring an oxygen saturation of the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.