Adaptive Hinged Articulating Spacer System for Personalized Revision Knee Arthroplasty

Publication ID: 24-11857424_0005_PTD
Published: October 28, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Adaptive Hinged Articulating Spacer System for Personalized Revision Knee Arthroplasty,” Published Technical Disclosure No. 24-11857424_0005_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857424_0005_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,424.

Summary of the Inventive Concept

A next-generation hinged articulating spacer system for revision knee arthroplasty that utilizes advanced technologies such as smart hinge pins, sensor arrays, machine learning algorithms, and 3D-printed biocompatible materials to provide personalized and optimized treatment for patients.

Background and Problem Solved

The original hinged articulating spacer system for revision knee arthroplasty has limitations in terms of its fixed hinge stiffness, lack of real-time adjustment, and limited customization options. The new inventive concept addresses these limitations by introducing adaptive and personalized features that enable more effective and efficient treatment.

Detailed Description of the Inventive Concept

The adaptive hinged articulating spacer system consists of a femur rod and a tibia rod hingedly coupled via a smart hinge pin that adjusts its stiffness in real-time based on the patient's movement patterns. The system further includes a sensor array embedded in the spacer system to track the patient's movement patterns and a wireless communication module to transmit the data to a remote server for analysis and adjustment of the hinge stiffness. Additionally, the femur rod and tibia rod are designed to be 3D-printed using biocompatible materials, and the hinge pin is replaced by a flexible, elastic joint that allows for more natural movement. The system also features a modular design that allows for easy replacement of individual components and a personalized digital twin of the patient's knee joint that simulates the movement patterns and optimizes the spacer system's performance.

Novelty and Inventive Step

The new inventive concept introduces a paradigm shift in revision knee arthroplasty by incorporating advanced technologies such as smart hinge pins, sensor arrays, machine learning algorithms, and 3D-printed biocompatible materials. The adaptive and personalized features of the system provide a significant improvement over the original patent, making it more effective, efficient, and patient-centric.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of sensors, machine learning algorithms, or materials for the spacer system. Additionally, the system could be modified to accommodate different types of knee joints or patient populations. Other variations could include the integration of additional features such as real-time feedback to the patient or remote monitoring capabilities.

Potential Commercial Applications and Market

The adaptive hinged articulating spacer system has significant commercial potential in the orthopedic industry, particularly in the revision knee arthroplasty market. The system's personalized and optimized features could appeal to patients seeking more effective and efficient treatment options. The market for this technology could include hospitals, clinics, and orthopedic device manufacturers.

CPC Classifications

SectionClassGroup
A A61 A61F2/3845
A A61 A61F2/30724
A A61 A61F2/389
A A61 A61F2/3859
A A61 A61F2002/305
A A61 A61F2002/30677
A A61 A61F2310/00011

Original Patent Information

Patent NumberUS 11,857,424
TitleHinged articulating spacer system for revision knee arthroplasty