Development of an Evaluation System for Transfer Care Skills Using Embroidered Body Pressure and Proximity Sensor.

Area of Science:

• Biomedical Engineering
• Rehabilitation Technology
• Human Factors Engineering

Background:

• Caregiver strain is a significant issue, particularly for inexperienced caregivers.
• Existing methods for quantifying caregiving skills, like motion capture, are expensive and space-intensive.
• There is a need for cost-effective and accessible systems to evaluate and improve caregiving skills.

Purpose of the Study:

• To develop and validate a low-cost evaluation system for transfer care skills.
• To overcome the limitations of existing expensive and bulky equipment.
• To enable objective assessment of caregiver proficiency in patient transfers.

Main Methods:

• Development of a novel evaluation system using capacitive sensors made from conductive embroidery fibers.
• Comparison of caregiver performance (seating position, velocity) between inexperienced and expert groups during bed-to-wheelchair transfers.
• Validation of the system by comparing its measurements with a conventional 3D motion-capture system and force plate.

Main Results:

• The developed system demonstrated a relationship between changes in the center of pressure (CoP) and the center of gravity (CoG).
• Seating speed measured by the system correlated with conventional motion-capture data.
• Significant differences in transfer speed were observed between inexperienced caregivers and professional therapists.

Conclusions:

• The proposed capacitive sensor system effectively estimates caregiver skill levels in patient transfers.
• This low-cost system provides a practical solution for training and evaluating caregivers.
• The technology has the potential to improve the quality of care and reduce caregiver burden.