# Régis Vaillant — Patents explained on PatentBrief

Régis Vaillant has 1 landmark patent explained in plain English on PatentBrief.

- [How Doctors Use CT Scans and X-rays to Check Heart Arteries](https://patentbrief.org/patent/us/12048575/systems-and-methods-for-registration-of-angiographic-projections-with-computed-t) — granted 2024
  This patent describes a method for precisely evaluating blockages in heart arteries by combining a single X-ray image with a detailed 3D CT scan, then calculating blood flow.

**Full profile:** https://patentbrief.org/inventor/rgis-vaillant

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._