Improved handheld probe and system for imaging human tissue

WO2026047398A3 Publication Date: 2026-04-30OPTICAN SYST INC
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Patent Information

Application Number
PCT/IB2025/000425
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-08-22
Filing Date
2025-08-25
Publication Date
2026-04-30

AI Technical Summary

Technical Problem

Existing breast cancer screening technologies, such as X-ray mammography, are limited in sensitivity, particularly in younger women and those with dense breast tissue, and involve ionizing radiation, while existing handheld optical probes are bulky and expensive, limiting their applicability in point-of-care settings.

Method used

A handheld probe that emits near-infrared light waves, detects returned energy, and processes data to generate cross-sectional images of breast tissue using diffuse optical spectroscopy, incorporating multi-wavelength LEDs and a CMOS imaging sensor for high-resolution, real-time imaging.

Benefits of technology

Enables accurate, non-invasive, and cost-effective breast cancer diagnostics with enhanced imaging depth and usability, suitable for early detection and monitoring of breast tissue abnormalities.

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Abstract

A portable optical spectroscopy system may provide noninvasive imaging of human tissue. The system may comprise a multi-wavelength near-infrared emitter source including at least one multi-chip light source configured to sequentially emit light at multiple wavelengths. A local controller may be configured to control a light emission sequence at two or more wavelengths. A sensor may be aligned in reflectance geometry with the emitter sources and configured to detect diffusely reflected near infrared light from biological tissue. A remote processor may be configured to reconstruct two-dimensional images of tissue optical properties in real time. Sequential NIR illumination from at least one source may be aligned with the sensor detector. The multi-wavelength near-infrared emitter source may comprise wavelengths selected from 670 nm, 810 nm, and 950 nm corresponding to absorption characteristics of deoxyhemoglobin, oxyhemoglobin, water, and fat. The system may generate cross-sectional images displaying spatial distribution of tissue constituents.
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