Hinged Articulating Spacer System for Specialized Environments

Publication ID: 24-11857424_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Hinged Articulating Spacer System for Specialized Environments,” Published Technical Disclosure No. 24-11857424_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857424_0009_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 hinged articulating spacer system designed for revision knee arthroplasty in extreme weather conditions, high-security environments, and disaster relief applications, providing a reliable and adaptable solution for unique operational scenarios.

Background and Problem Solved

Revision total knee arthroplasty (TKA) often requires specialized solutions for specific environments. The original patent's hinged articulating spacer system, while effective for general TKA, lacks features tailored to extreme weather conditions, high-security needs, or disaster relief scenarios. The present inventive concept addresses these limitations by introducing novel adaptations for these niche applications.

Detailed Description of the Inventive Concept

The hinged articulating spacer system for specialized environments comprises a femur rod and a tibia rod, hingedly coupled to form a hinged rod assembly. The system is designed to operate effectively in extreme weather conditions, featuring a water-repellent coating on the femur rod and an optional heating element to maintain a minimum temperature of 37°C during cold weather. For high-security environments, the system incorporates tamper-evident fasteners and monitoring capabilities to detect unauthorized access. In disaster relief applications, the system includes a sterilization module with an ultraviolet light source and timer to ensure proper sterilization in the field.

Novelty and Inventive Step

The new claims introduce novel features such as water-repellent coatings, heating elements, tamper-evident fasteners, and sterilization modules, which are not present in the original patent. These adaptations provide a non-obvious solution for specialized environments, demonstrating an inventive step beyond the original patent.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in the materials used for the water-repellent coating, alternative heating sources, or different types of sterilization modules. Additionally, the system could be adapted for use in other specialized environments, such as space exploration or extreme sports.

Potential Commercial Applications and Market

The hinged articulating spacer system for specialized environments has significant commercial potential in the medical device industry, particularly in markets focused on disaster relief, high-security medical facilities, and extreme weather environments. The system's adaptability and reliability make it an attractive solution for these niche applications.

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