Fully automated fiber-based optical spectroscopy system for use in a clinical setting

Area of Science:

• Biomedical Optics
• Medical Spectroscopy
• Clinical Instrumentation

Background:

• In vivo fiber-optic spectroscopy shows promise for disease detection but struggles in multicenter trials.
• Existing techniques require highly trained personnel and face challenges with stability and user variability.

Purpose of the Study:

• To develop a robust fiber-optic spectroscopy system for clinical application.
• To enhance usability for physicians and ensure reliable performance in real-world settings.

Main Methods:

• Development of an automated calibration tool.
• Integration of an optical contact sensor for signal acquisition.
• Implementation of real-time in vivo probe calibration correction.

Main Results:

• The system demonstrated excellent stability with ~0.5% standard deviation over 25 measurements.
• Successfully overcame technical obstacles like speckle noise and user variability.
• Validated in a clinical setting by clinical staff using scattering phantoms.

Conclusions:

• The developed medical device is suitable for physician use in clinical settings.
• The system's design concepts are broadly applicable to in vivo fiber-optic spectroscopy.
• This advancement facilitates the clinical translation of spectroscopic techniques.