Wearable Joint Sensors for Automated Physical Therapy Compliance
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Solution Overview
Problem
Low patient compliance with prescribed physical therapy exercises following orthopedic surgeries, leading to suboptimal rehabilitation outcomes.
Innovation Solution
A patient monitoring system comprising sensors embedded in wearable materials around joints, transmitting data to a wireless device for processing to determine compliance with rehabilitation programs, providing feedback and coaching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If physical therapy exercises are prescribed to improve rehabilitation outcomes, then patient mobility and quality of life are improved, but patient compliance with the therapy program decreases
Solution Approach 1:
The system continuously monitors patient movement activity using sensors and provides real-time feedback through a mobile device. The feedback mechanism includes notifications when patients perform exercises correctly, progress tracking, and reminders to maintain compliance with the therapy program, directly addressing the compliance issue while ensuring rehabilitation goals are met
Solution Approach 2:
The patent replaces manual compliance monitoring by healthcare providers with an automated electronic monitoring system. Sensors detect movement activity and transmit data wirelessly to a mobile device, which automatically processes and analyzes the data to determine compliance, eliminating the need for continuous human oversight
2Loss of information
If manual monitoring of patient compliance is used, then therapy program adherence can be tracked, but healthcare provider time and resources are consumed
Solution Approach 1:
The system enables self-monitoring where the patient's movement activity is automatically captured by sensors and processed by the mobile device without requiring provider intervention. The system independently tracks compliance, generates reports, and maintains records, allowing patients to self-manage their therapy adherence while providing data to providers when needed
Solution Approach 2:
Manual compliance assessment by healthcare providers is replaced with an automated electronic system that continuously collects sensor data, processes movement information, and generates compliance determinations automatically, freeing providers from time-consuming manual monitoring tasks
3Measurement precision
If continuous monitoring of patient movement is implemented, then compliance accuracy is improved, but system complexity increases
Solution Approach 1:
The mobile device serves multiple functions: it receives sensor data, processes movement information, determines compliance, provides feedback to patients, tracks progress over time, and maintains records. This multi-functionality consolidates what could be a complex dedicated monitoring system into a familiar device that patients already possess
Solution Approach 2:
The mobile device acts as an intermediary between the simple sensors and the complex compliance analysis. It receives raw movement data from sensors, processes the information using pre-programmed algorithms, and outputs compliance determinations, simplifying the overall system architecture while maintaining measurement precision
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances patient compliance with rehabilitation by tracking movement activity, offering real-time feedback, and adjusting therapy programs based on monitored progress.
Implementation Method 1
the at least one sensor can include a dielectric elastomer accelerometer, a laser accelerometer, a low frequency accelerometer, an optical accelerometer, a piezoelectric accelerometer, a resonance accelerometer, a surface acoustic wave accelerometer, a surface micromachined capacitive accelerometer, a thermal accelerometer, a triaxial accelerometer, a potentiometric type accelerometer
Data Source
AI summary
A patient compliance system is provided that includes a patient monitoring material for determining movement activity associated with a joint of the patient. The patient monitoring material includes at least one sensor for sensing the movement activity and a transmitter. The system also includes a device having a receiver and a processor. The transmitter transmits the movement activity to the receiver, and the processor determines parameters associated with compliance with a rehabilitation/physical therapy program based on the movement activity. A method for monitoring movement activity of a patient is also provided. The method includes sensing movement activity associated with a joint of the patient via at least one sensor embedded within or attached to a patient monitoring material that surrounds the joint; transmitting the movement activity to a device; and determining parameters associated with compliance with a rehabilitation/physical therapy program based on the movement activity via a processor.