Hip Prosthesis Placement Planning for Patient-Specific Range of Motion
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Solution Overview
Problem
Existing hip arthroplasty methods do not adequately address the need for precise acetabular cup placement and implant orientation to accommodate various levels of patient activity post-surgery, limiting the ability to achieve optimal range of motion and stability.
Innovation Solution
A method involving obtaining patient-specific image data, determining desired activities, and creating a plan for implant size, location, and orientation using tools or guides that provide feedback and registration with anatomical surfaces to ensure accurate placement and orientation of the hip joint prosthesis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional hip arthroplasty methods are used, then the procedure is simple and quick, but the precision of acetabular cup placement and implant orientation is insufficient
Solution Approach 1:
The system performs preoperative planning and creates a customized implantation plan before surgery. Image data is acquired and processed to determine optimal implant size, location, and orientation based on patient-specific anatomy and desired range of motion, allowing the surgeon to have a detailed roadmap before entering the operating room
Solution Approach 2:
The system provides real-time feedback during implantation by comparing actual implant position with the planned position. The computer system monitors placement accuracy and guides adjustments to achieve the desired orientation and range of motion, ensuring precision while maintaining procedural efficiency
2Adaptability or versatility
If traditional hip arthroplasty methods are used, then the surgical procedure is straightforward, but the ability to accommodate various patient activity levels is limited
Solution Approach 1:
The system tailors the implantation plan to each patient's specific needs by considering their desired physical activities. The planning software adjusts implant parameters such as cup orientation, inclination, and anteversion angles based on individual activity requirements, creating a customized solution rather than a one-size-fits-all approach
Solution Approach 2:
The system dynamically adjusts implantation parameters based on patient-specific factors including anatomy, activity level, and desired range of motion. The computer-guided system allows for real-time modifications to the implantation plan to optimize outcomes for different patient populations and activity demands
Data Source
AI summary
A method of implanting a hip joint prosthesis into a patient can include obtaining image data of hip joint anatomy of the patient. Physical activities that the patient desires to participate in subsequent to implanting the hip prosthesis can be determined. A size and an initial placement of the hip joint prosthesis based on the image data can be determined. A desired range of motion of the hip joint prosthesis based on the determined physical activities can be determined. A plan can be created comprising a desired implanted location of the hip joint prosthesis and based on the desired range of motion. The plan can be incorporated onto a guide. The plan can be executed with the guide thereby implanting the hip joint prosthesis into the patient at the desired implanted position.