Avinger. has been granted a patent for a system that utilizes Optical Coherence Tomography (OCT) for imaging body lumens. The method involves a catheter with a rotating optical fiber and cutter, acquiring and displaying OCT images to guide tissue cutting in targeted areas. GlobalData’s report on Avinger gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Avinger, Transcranial ultrasound was a key innovation area identified from patents. Avinger's grant share as of July 2024 was 56%. Grant share is based on the ratio of number of grants to total number of patents.
Imaging body lumen using optical coherence tomography (oct) system
The patent US12053260B2 outlines a method for imaging a body lumen using Optical Coherence Tomography (OCT) integrated with a catheter system. The method involves inserting an elongate catheter equipped with a cutter and an OCT sensor into the body lumen. The OCT sensor, which includes an optical fiber, is designed to rotate alongside the cutter while acquiring OCT images. These images are displayed in a toroidal mapping format, allowing for precise navigation towards targeted areas within the lumen. The method also includes various techniques for correcting radial distortion in the OCT images, monitoring the cutting process in real-time, and collecting cut tissue or plaque within the catheter.
Additionally, the claims detail the technical aspects of the imaging process, such as the use of a lens positioned radially outward from the catheter's longitudinal axis and the implementation of point-wise averaging and Inverse Fourier Transform for data processing. The catheter's proximal handle is equipped with an encoder to track rotational position, and the method allows for the optical fiber to wind and unwind during rotation. The system is designed to enhance the accuracy of imaging and cutting within the body lumen, potentially improving outcomes in procedures like atherectomy. Overall, the patent presents a comprehensive approach to combining OCT imaging with catheter-based interventions.
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