Patent · US Active

Transvaginal fast-scanning optical-resolution photoacoustic endoscopy

US11925472B2 · kind B2 · utility

0Cited by

0References

5Claims

0Family size

Assignees

Washington University · US
CALIFORNIA INSTITUTE OF TECHNOLOGY · US

Inventors

Lihong Wang · Chesterfield, US
Konstantin Maslov · Pasadena, US
Methodius Tuuli · Indianapolis, US
Molly Stout · Chesterfield, US
George Macones · Chesterfield, US
Chiye Li · Chesterfield, US
Junhui Shi · Pasadena, US
Yuan Qu · Jinan, CN

Key dates

Filing date	Dec 22, 2020
Grant date	Mar 12, 2024
Priority date	—
Expiry date	Oct 9, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG02F2203/48
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The present disclosure describes a fast-scanning optical-resolution photoacoustic (fsOR-PAE) endoscope for imaging vasculature within tissues in vivo that includes an ultrasonic transducer and a scanning mirror within a lumen of an elongate casing. The scanning mirror is configured to direct the laser pulses from the pulsed laser source to a focal spot outside the casing in a scanning pattern via an imaging window formed in the casing. The scanning mirror is further configured to direct a plurality of photoacoustic signals from the focal spot to the ultrasonic transducer via the imaging window.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.