Shoulder Joint Measurement System for Real-Time Alignment
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Solution Overview
Problem
Current orthopedic surgery lacks real-time quantitative measurement data for precise alignment and adjustment of prosthetic joints, relying heavily on surgeon skill and subjective feedback, which can lead to variations in patient outcomes and potential complications such as scapular notching.
Innovation Solution
A kinetic orthopedic measurement system with sensors that provide real-time data on force, pressure, and alignment, using a graphical user interface to display measurements, allowing for adjustments during surgery to ensure optimal joint stability and range of motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If real-time measurement system is implemented, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The measurement system is divided into separate functional modules: sensors for detecting joint parameters, electronic circuitry for signal processing, and a display device for presenting measurement data. This segmentation allows each component to be optimized independently while maintaining overall system precision without excessive complexity.
Solution Approach 2:
The patent introduces an intermediary measurement system that bridges the gap between the prosthetic joint and the surgeon's decision-making process. The system translates complex biomechanical parameters into readable display information, enabling precise real-time measurements without requiring the surgeon to directly manage complex measurement equipment.
2Manufacturing precision
If quantitative measurement data is provided, then manufacturing precision is improved, but loss of time increases
Solution Approach 1:
The measurement system operates continuously throughout the surgical procedure, providing ongoing feedback on joint alignment and stability. This eliminates the need for intermittent stopping and measuring, allowing surgeons to maintain continuous workflow while achieving precise prosthetic component alignment through real-time data guidance.
Solution Approach 2:
The system provides immediate feedback on measurement parameters during surgery, allowing surgeons to make real-time adjustments to prosthetic component positioning. This continuous feedback loop enables precise alignment to be achieved efficiently without requiring multiple trial-and-error adjustments that would consume surgical time.
3Reliability
If multiple sensors are used, then reliability is improved, but device complexity increases
Solution Approach 1:
Multiple sensors detecting different joint parameters (position, force, torque) are merged into a single integrated measurement system with unified electronic circuitry and combined display output. This merging approach maintains measurement reliability through multi-parameter monitoring while presenting a simplified interface to the surgeon, reducing the perceived complexity despite using multiple sensors.
Data Source
AI summary
A selection system comprises a ring, a plurality of shims, a measurement device, and at least one glenoid component. The ring is configured to couple to a humerus. A shim of the plurality of shims is configured to couple to the ring. The measurement device is configured to couple to the shim. Each shim of the plurality of shims has a different height when coupled to the ring. The selection system generates measurement data to support the selection of at least one prosthetic component for a shoulder joint in a surgical environment. The shoulder joint geometry can be adjusted by changing shims, changing glenoid component or both. The selection system is removed after the selection of the final prosthetic components for the shoulder joint. The final prosthetic components are installed in the shoulder joint. The measurement device is placed in the shoulder joint and measurement data is generated to verify performance.