Document ID: CL-WP-001 | Rev A | Author: Michael Pitsakis | Advisors: Dr. Ralf Marbach & Dr. Robert Norwood
ANATOMICAL CONSTRAINTS IN NON-INVASIVE METABOLIC SENSING: A Vascular-First Approach
For over four decades, non-invasive metabolic sensing has been constrained by a fundamental biophysical limitation: attempting to measure glucose through the low-perfusion, high-noise tissue of the wrist. Legacy continuous glucose monitors (CGMs) and wearable optics measure interstitial fluid (ISF), a compartment that inherently lags behind dynamic intravascular blood chemistry and acts as a physiological low-pass filter during glycemic volatility. CoraLuma’s foundational white paper challenges this legacy model, detailing the necessity of a “vascular-first” spectroscopic paradigm. The paper outlines how CoraLuma’s Common Core Engine (CCE 1) leverages a patent-pending 6-3-9 bilateral transverse geometry targeting the highly perfused digital arteries. By locking the optical acquisition exclusively to the dynamic arterial pulse (AC) and subtracting the static tissue matrix (DC), this architecture successfully bypasses the ISF diffusion barrier. The result is a mathematically isolated intravascular chemistry signal that enables factory-calibrated hemodynamic state-vectoring, moving the industry past the anatomical constraints of legacy wearables.
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