Prosthetic Knee Joint for Diverse Applications

Publication ID: 24-11857394_0002_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Prosthetic Knee Joint for Diverse Applications,” Published Technical Disclosure No. 24-11857394_0002_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857394_0002_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. 11,857,394.

Summary of the Inventive Concept

This inventive concept adapts the core technology of the original thigh prosthetic component to various new industries and use cases, including search and rescue, agriculture, underwater exploration, disaster response, and public transportation.

Background and Problem Solved

The original thigh prosthetic component was designed for a specific medical application. However, its core technology, particularly the pivoting knee joint, has broader potential. The new inventive concept addresses the limitation of the original patent by applying this technology to entirely different fields, providing innovative solutions to specific challenges in each industry.

Detailed Description of the Inventive Concept

The prosthetic knee joint system is adapted for use in various applications, including wearable devices for search and rescue operations in dense forests, robotic harvesting devices for agricultural efficiency, underwater exploration systems, disaster response and recovery operations, and public transportation accessibility systems. The pivoting knee joint enables navigation of rugged terrain, facilitates efficient harvesting, withstands water pressure, navigates debris-filled environments, and facilitates boarding and exiting of vehicles.

Novelty and Inventive Step

The new claims introduce novel applications and use cases for the prosthetic knee joint technology, which are non-obvious and unexpected compared to the original medical application. The inventive step lies in recognizing the broader potential of the core technology and adapting it to address specific challenges in diverse industries.

Alternative Embodiments and Variations

Alternative embodiments could include modifying the knee joint system for use in space exploration, adapting it for use with autonomous vehicles, or integrating it with exoskeletons for industrial or military applications. Variations could also include different materials, sizes, or configurations to suit specific industry requirements.

Potential Commercial Applications and Market

The prosthetic knee joint system has significant commercial potential in various industries, including search and rescue, agriculture, underwater exploration, disaster response, and public transportation. The market demand for innovative solutions in these fields is substantial, and the adapted prosthetic knee joint technology could provide a competitive edge and improve operational efficiency.

CPC Classifications

SectionClassGroup
A A61 A61F2/64
A A61 A61F2/642
A A61 A61F2/6607
A A61 A61F2/74
A A61 A61F2002/6614

Field of Art

Prosthetic and robotic biomechanical systems, specifically knee joint mechanisms with articulated movement capabilities across medical, industrial, and assistive technology domains

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or robotics specialist with expertise in mechanical design, joint articulation, and adaptive prosthetic technologies, capable of translating core mechanical principles across different application contexts

Obviousness Rationale

A skilled practitioner would recognize the fundamental knee joint mechanism's adaptability across diverse environments by understanding its core mechanical principles of pivoting, load-bearing, and positional flexibility. The source patent's core technical elements - articulated arm, stance/swing positioning, and adjustable flexion - provide a readily transferable mechanical framework that can be systematically applied to alternative domains. The PTD's variations represent predictable engineering adaptations that leverage the inherent mechanical design's versatility.

Obvious Combinations & Variations

Source Patent Element
Pivoting knee joint with stance and swing positions
PTD Variation
Application in search and rescue robotic systems navigating rugged terrain
Obviousness Reasoning
Predictable extension of existing mechanical mobility principles to enhance terrain navigation capabilities
Source Patent Element
Adjustable flexion stop mechanism
PTD Variation
Modifying joint to withstand water pressure in underwater exploration systems
Obviousness Reasoning
Known engineering technique of material reinforcement and stress distribution to adapt existing mechanical design
Source Patent Element
Ventral and dorsal articulated connection elements
PTD Variation
Integrating prosthetic knee joint into agricultural robotic harvesting devices
Obviousness Reasoning
Systematic application of proven biomechanical joint design to enhance robotic mobility and operational flexibility
Source Patent Element
Knee joint upper and lower part connection mechanism
PTD Variation
Adapting prosthetic component for disaster response navigation through debris environments
Obviousness Reasoning
Predictable design modification using established mechanical articulation principles to enhance operational resilience
Source Patent Element
Changeable length connecting elements
PTD Variation
Public transportation accessibility systems with adjustable prosthetic mobility
Obviousness Reasoning
Logical engineering adaptation leveraging existing mechanical adjustability for enhanced functional versatility
35 U.S.C. § 103 Summary: Based on US Patent 11857394's comprehensive knee joint mechanism disclosure, the present publication demonstrates that a person having ordinary skill in prosthetic and robotic biomechanical design would find the disclosed technical variations obvious and predictable extensions of the source patent's core mechanical principles, thereby rendering subsequent claims covering similar adaptive technologies anticipated and non-patentable under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,394
TitleThigh prosthetic component