Artificial Intelligence-Assisted Knee Arthroplasty System for Enhanced Kinematic Alignment
Legal Citation
Summary of the Inventive Concept
A next-generation knee arthroplasty system that leverages artificial intelligence, machine learning, and advanced instrumentation to achieve optimal kinematic alignment and improved patient outcomes.
Background and Problem Solved
The original patent, 'Knee resection and gap balancing instruments and techniques for kinematic alignment,' provides a foundation for total knee arthroplasties with kinematic alignment. However, it relies on manual adjustments and lacks real-time optimization. The new inventive concept addresses these limitations by integrating AI-assisted gap balancing, machine learning-based resection plane prediction, and advanced instrumentation to ensure precise and efficient surgical procedures.
Detailed Description of the Inventive Concept
The new system comprises a tibial positioner device with AI-assisted gap balancing, which automatically adjusts the proximal tibial resection plane based on patient-specific anatomical data. The system also utilizes a machine learning algorithm to predict optimal femoral and tibial resection planes based on pre-operative imaging data and adjusts the resection planes in real-time during the surgical procedure. Additionally, the system features modular, interchangeable instrument modules with unique identifiers, tracked by a central computer system to ensure accurate and efficient surgical planning and execution. A virtual reality-based planning system allows surgeons to practice and refine their surgical technique, while a robotic arm with haptic feedback optimizes the surgical procedure and minimizes human error.
Novelty and Inventive Step
The new claims introduce AI-assisted gap balancing, machine learning-based resection plane prediction, and advanced instrumentation, which are not present in the original patent. These innovations provide a significant improvement in kinematic alignment and patient outcomes, making the new inventive concept novel and non-obvious.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept could include using different AI algorithms, integrating additional sensors or imaging modalities, or developing customized instrument modules for specific surgical procedures. Variations could also involve adapting the system for other orthopedic procedures or developing a cloud-based platform for data sharing and collaboration among surgeons.
Potential Commercial Applications and Market
The artificial intelligence-assisted knee arthroplasty system has significant commercial potential in the orthopedic industry, particularly in the growing market for robotic-assisted and computer-navigated surgical systems. The system's ability to improve patient outcomes, reduce surgical time, and enhance surgeon confidence could lead to widespread adoption in hospitals and surgical centers.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61B17/155 |
| A | A61 | A61B17/157 |
| A | A61 | A61B17/1675 |
| A | A61 | A61B17/1764 |
| A | A61 | A61B17/90 |
| A | A61 | A61B2017/564 |
| A | A61 | A61B2090/061 |
Original Patent Information
| Patent Number | US 11,857,202 |
|---|---|
| Title | Knee resection and gap balancing instruments and techniques for kinematic alignment |
| Assignee(s) | Zimmer, Inc. |