qER-Quant
K211222Qure.ai Technologies · cleared 2021-07-30 · product code QIH · Radiology
Premarket evidence — what FDA accepted
Device typesamd
source quote (p.5)
“qER-Quant is a standalone software device that processes non-contrast head CT scans to outline and quantify the structures described in the intended use.”
Algorithmdeep learning (supervised voxel classification with Convolutional Neural Networks)
source quote (p.7)
“Segmentation by deep learning (supervised voxel classification with Convolutional Neural Networks)”
Adaptive (vs locked)FDA source did not state this
PCCPFDA source did not state this
Cybersecurity addressedFDA source did not state this
Validation studies (1)
Standalone
n=210 scans
endpoints: Accuracy; Segmentation Accuracy; Reproducibility
Reported performance (3 observations)
diceas written: “Dice Score (Intracranial Hyperdensity)”0.75CI 0.72 - 0.78
source quote (p.8)
“0.75 (0.72 - 0.78)”
diceas written: “Dice Score (Left Lateral Ventricle)”0.79CI 0.78 - 0.81
source quote (p.9)
“0.79 (0.78 - 0.81)”
diceas written: “Dice Score (Right Lateral Ventricle)”0.75CI 0.73 - 0.77
source quote (p.9)
“0.75 (0.73 - 0.77)”
Each value carries its own analysis unit and task — never compare or pool across devices. Source: 510(k) summary PDF.
Predicate network
Postmarket — what happened after clearance
0
recalls in product code, 24mo
3
MAUDE reports in code, 12mo
—
vs code's own 3-yr baseline
0
drift signals on this device
Recall and MAUDE counts are product-code-level (reports aren't reliably attributable to one device). Signals are descriptive observables with sources — never a judgment that the device is unsafe or drifting. Snapshot 2026-07-08.
Reimbursement — how devices like this got paid
Not yet tracked — no payment pathway indexed for this clearance (the reimbursement corpus is a growing seed set).