Enhanced Blood Flow Measurement System for Diabetic Patients

An improved apparatus and method for measuring blood flow in the foot, addressing limitations of existing systems by incorporating adjustable light sources, calibration phantoms, thermal sensors, real-time feedback, and modular design to enhance accuracy, ease of use, and customization.

The original patent, 'Apparatus and method of measuring blood flow in the foot,' has limitations in terms of signal quality, accuracy, and user experience. The new inventive concept addresses these limitations by introducing innovative features that improve the overall performance and usability of the blood flow measurement system, particularly for diabetic patients.

The enhanced system comprises a plurality of light sources with adjustable intensity, allowing for optimal signal quality based on user skin type and environmental conditions. The system also incorporates a calibration phantom with a known optical property, enabling accurate calibration and storage of data for future reference. Furthermore, the foot platform is equipped with integrated thermal sensors, which detect temperature changes in the foot and adjust PPG measurements accordingly. A real-time feedback and guidance system provides users with a display screen showing foot placement and pressure distribution, offering audio or visual cues to optimize foot placement and reduce measurement errors. The modular PPG set design enables easy maintenance, upgrade, or customization of the apparatus for different users or applications.

The new inventive concept introduces multiple novel features that distinguish it from the original patent, including adjustable light sources, calibration phantoms, thermal sensors, real-time feedback, and modular design. These features collectively provide a significant improvement in accuracy, ease of use, and customization, making the enhanced system more effective and user-friendly.

Alternative embodiments of the inventive concept could include using different types of sensors, such as pressure sensors or electrical impedance tomography, to detect changes in the foot. Additionally, the system could be adapted for use in other areas of the body, such as the hands or legs, or integrated with other medical devices, such as glucose monitors or insulin pumps.

The enhanced blood flow measurement system has significant commercial potential in the healthcare industry, particularly in the diabetic care market. The system could be marketed to hospitals, clinics, and medical research institutions, as well as to individual patients and caregivers. The potential market size is substantial, given the growing prevalence of diabetes and the need for accurate and reliable blood flow measurement systems.