Sensorized Musculoskeletal Implant for Real-Time Surgical Feedback
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Solution Overview
Problem
Existing musculoskeletal implants lack the ability to provide real-time feedback and adjust to changing anatomical conditions during and after surgery, leading to potential complications and suboptimal surgical outcomes.
Innovation Solution
Smart musculoskeletal implants equipped with sensors, processing circuitry, and a control and communication module that enable real-time monitoring and feedback, allowing for adjustments to ensure accurate placement, optimal loading, and early detection of complications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional purely mechanical musculoskeletal implants are used, then the device structure remains simple and cost-effective, but the implant cannot provide real-time feedback or adapt to changing anatomical conditions during and after surgery
Solution Approach 1:
The patent combines multiple functional components (sensors, processors, communicators, and mechanical implant structure) into an integrated smart implant system. This merging enables the implant to simultaneously perform structural support, real-time monitoring of anatomical conditions, data processing, and adaptive adjustment, thereby improving surgical outcomes while managing complexity through functional integration
Solution Approach 2:
The smart implant is designed with multi-functionality, serving both as a mechanical support structure and as a monitoring system. The implant includes sensors that detect anatomical conditions, processors that analyze data, and communicators that transmit information, allowing a single device to perform multiple functions that would traditionally require separate systems
2Loss of information
If smart sensors and processing circuitry are integrated into the implant, then real-time monitoring and feedback capabilities are achieved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent segments the implant system into distinct functional modules: mechanical implant components, sensor modules, processing circuitry, and communication interfaces. This segmentation allows each component to be manufactured and tested separately using appropriate techniques, then integrated into the final implant, thereby reducing overall manufacturing difficulty while preserving real-time monitoring capabilities
3Adaptability or versatility
If the implant includes adjustable features controlled by feedback, then adaptability to changing conditions is improved, but the device complexity and control system requirements increase
Solution Approach 1:
The patent implements a feedback control system where sensors continuously monitor anatomical conditions, processors analyze the detected data, and actuators adjust implant features based on the analysis. This closed-loop feedback mechanism enables the implant to automatically adapt to changing anatomical conditions, improving versatility while managing control system complexity through automated decision-making algorithms
4Measurement precision
If continuous monitoring and real-time adjustment capabilities are implemented, then surgical precision and patient outcomes are enhanced, but the energy consumption and power requirements increase
Solution Approach 1:
The patent employs periodic monitoring and adjustment cycles rather than continuous operation. The sensors take measurements at predetermined intervals, the processor analyzes accumulated data periodically, and actuators make adjustments at specific moments. This periodic action maintains measurement precision for surgical outcomes while significantly reducing energy consumption compared to continuous monitoring and adjustment
Data Source
AI summary
A musculoskeletal implant device includes at least one sensor, processing circuitry, and a memory containing instructions executable by the processing circuitry. The musculoskeletal implant device is operable to obtain sensor information indicating measurements taken by the sensor connected to the musculoskeletal implant device during or after implantation of the musculoskeletal implant device into a patient. The musculoskeletal implant device is further operable to provide feedback for controlling modification of a feature associated with the musculoskeletal implant device based on the sensor information.