ContaCT
Viz.Al, Inc.ContaCT is an AI-powered software developed by Viz.AI that analyzes brain CT angiogram images to detect suspected large vessel occlusions, a critical cause of stroke. The software notifies specialists quickly, allowing for faster clinical review and potentially earlier treatment, which can reduce disability from stroke. It integrates into hospital workflows, sending alerts in parallel to standard care without replacing diagnostic decisions.
Intended Use
A software aid for notification by analyzing brain CT angiogram images in acute stroke settings to identify suspected large vessel occlusions and notify neurovascular specialists for timely review.
Technology
ContaCT is a software-only system consisting of image forwarding software for transmitting DICOM images, image processing and analysis software hosted on a server that performs vessel segmentation and LVO detection, and a non-diagnostic mobile viewing application for previewing compressed images used for notification purposes.
Performance
In a retrospective study of 300 CT angiogram cases, ContaCT demonstrated 87.8% sensitivity and 89.6% specificity for detecting LVO compared to neuro-radiologist established ground truth. The device significantly reduced notification time to specialists by an average of 51 minutes compared to standard care, potentially enabling earlier intervention.
Device Timeline
- 1
Submission
9/29/2017
4 months - 2
FDA Approval
2/13/2018
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