Advanced Knee Walker Systems with Synergistic Combinations

Publication ID: 24-11857485_0008_PTD
Published: October 28, 2025
Category:Synergistic Combinations

Legal Citation

pr1or.art Inc., “Advanced Knee Walker Systems with Synergistic Combinations,” Published Technical Disclosure No. 24-11857485_0008_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857485_0008_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. 11,857,485.

Summary of the Inventive Concept

This inventive concept integrates a knee walker with four-wheel steering with distinct technologies such as AI, IoT, blockchain, and advanced materials to create a more powerful system for improved maneuverability, stability, and user experience.

Background and Problem Solved

The original knee walker with four-wheel steering, while providing improved maneuverability and stability, has limitations in terms of terrain adaptability, user monitoring, and customization. The present inventive concept addresses these limitations by incorporating synergistic combinations of technologies to create a more comprehensive and effective system.

Detailed Description of the Inventive Concept

The inventive concept comprises a knee walker with four-wheel steering, which is integrated with various technologies such as AI-powered control systems, IoT connectivity, blockchain-based data storage, and advanced materials. The AI-powered control system adjusts steering angles and speed based on terrain conditions, ensuring optimal maneuverability and stability. The IoT connectivity enables real-time monitoring and alerts for potential issues, while the blockchain-based data storage provides a secure and transparent way to record and analyze user data. The advanced materials used in the knee walker's components enable customization and adaptation to individual user needs. Furthermore, the modular design of the knee walker allows for easy interchangeability and upgradability of components.

Novelty and Inventive Step

The new claims introduce novel and non-obvious combinations of technologies, which significantly enhance the functionality and effectiveness of the original knee walker with four-wheel steering. The integration of AI, IoT, blockchain, and advanced materials creates a synergistic system that provides improved maneuverability, stability, and user experience.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different AI algorithms, various IoT connectivity protocols, or alternative blockchain platforms. Additionally, the knee walker's components could be designed with different materials or geometries to accommodate specific user needs or preferences.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the healthcare and rehabilitation industries, particularly in the areas of post-operative care, physical therapy, and mobility assistance. The system's advanced features and customization options could appeal to a wide range of users, from athletes to seniors, and provide a competitive advantage in the market.

CPC Classifications

SectionClassGroup
A A61 A61H3/04
B B62 B62K5/003
B B62 B62K25/02
A A61 A61H2003/005
A A61 A61H2003/046
B B62 B62K2025/025

Field of Art

Ambulatory assistive devices, specifically knee walkers and mobility assistance technologies with a focus on mechanical steering systems, sensor integration, and adaptive mobility solutions

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or rehabilitation technology specialist with expertise in mobility device design, mechanical engineering, sensor systems, and adaptive control technologies with knowledge of medical device development and assistive technology innovations

Obviousness Rationale

A PHOSITA would recognize that integrating advanced sensor, AI, and connectivity technologies into an existing four-wheel steering knee walker represents a predictable extension of known mobility assistance design principles. The source patent establishes a foundational knee walker with mechanical steering mechanisms, which naturally invites technological augmentation through sensor-based control and adaptive systems. The proposed variations represent logical technological progressions that would be apparent to a skilled practitioner seeking to enhance mobility device functionality.

Obvious Combinations & Variations

Source Patent Element
Four-wheel steering mechanism with linkage systems and crossbar frame
PTD Variation
AI-powered control system adjusting steering angles based on terrain conditions
Obviousness Reasoning
Predictable application of known sensor and control technologies to enhance existing mechanical steering system, representing a standard design optimization approach
Source Patent Element
Knee walker frame designed for mobility assistance
PTD Variation
IoT connectivity for real-time performance monitoring and diagnostic tracking
Obviousness Reasoning
Routine implementation of wireless monitoring technologies to improve device functionality and user experience, utilizing standard communication protocols
Source Patent Element
Modular knee walker construction with interchangeable components
PTD Variation
Blockchain-based data storage for tracking usage and rehabilitation protocols
Obviousness Reasoning
Logical extension of existing data tracking methods using emerging distributed ledger technologies, representing an obvious design choice for medical device documentation
Source Patent Element
Knee walker frame with potential for technological enhancement
PTD Variation
Advanced materials enabling customizable and adaptable device components
Obviousness Reasoning
Standard engineering approach of incorporating emerging materials to improve device performance, representing a predictable technological progression
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857485 for a four-wheel steering knee walker, the proposed technical variations represent obvious combinations that would be readily conceived by a person having ordinary skill in ambulatory assistance device design. The integration of AI, IoT, blockchain, and advanced materials technologies constitutes a predictable enhancement of the foundational mobility assistance concept, rendering subsequent claims involving such technologies unpatentable under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,485
TitleKnee walker with four-wheel steering
Assignee(s)ROVER MOBILITY, LLC