Patent ID: 9320427
Filing Date: 2016-04-26
CPC Classification: A61B

Claim Text:
1. A scanning device, comprising: an instrument body that positions an eye of a patient, the instrument body comprising a chamber filled with a first fluid medium; a positioning assembly connected to the instrument body; a scan head connected to the positioning assembly, the scan head comprising an arcuate guide track and a probe carriage mounted on the arcuate guide track, wherein the arcuate guide track and the probe carriage are disposed in the first fluid medium of the chamber; the probe carriage having an optical coherence tomography (OCT) sample arm that emits an optical pulse, an OCT reference arm that emits a reference optical pulse, and an ultrasound imaging probe that emits an ultrasound pulse; an optical transmission path defined by the emitted optical pulse, wherein the optical transmission path forms a first angle with a longitudinal axis of the positioning assembly; an acoustic transmission path defined by the emitted ultrasound pulse, wherein the acoustic transmission path forms a second angle with the longitudinal axis of the positioning assembly, wherein the first angle is distinct from the second angle; an eyepiece having an interior surface defining a partially enclosed volume filled with a second fluid medium; and a fluid barrier positioned between the chamber of the instrument body filled with the first fluid medium and the partially enclosed volume of the eyepiece filled with the second fluid medium, wherein the fluid barrier is acoustically transparent and optically transparent.