Specialized Circular Fixator Systems for Niche Environments

Publication ID: 24-11857207_0004_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Circular Fixator Systems for Niche Environments,” Published Technical Disclosure No. 24-11857207_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857207_0004_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. 11,857,207.

Summary of the Inventive Concept

The inventive concept discloses a family of circular fixator systems adapted for specific, narrow markets or unique operational environments, providing improved ankle joint stabilization and treatment options in extreme weather conditions, high-security environments, disaster relief, space-constrained environments, and high-altitude environments.

Background and Problem Solved

The original circular fixator system and method patent addresses the limitations of traditional ankle joint treatment options, but it does not cater to the specific needs of patients in extreme or specialized environments. The new inventive concept solves this problem by introducing specialized variations of the circular fixator system, tailored to meet the unique demands of these niche markets.

Detailed Description of the Inventive Concept

The inventive concept comprises a range of circular fixator systems, each designed to operate effectively in a specific environment. For example, the system for extreme weather conditions features a weather-resistant coating to prevent corrosion, while the system for high-security environments incorporates a securement device to prevent unauthorized access. The system for disaster relief is portable and compact, and the system for space-constrained environments utilizes a miniaturized resection guide cartridge holder. The system for high-altitude environments simulates high-altitude conditions using a pressurized chamber.

Novelty and Inventive Step

The new claims introduce novel features that are not obvious from the original patent, such as the weather-resistant coating, securement device, portable and compact design, miniaturized resection guide cartridge holder, and pressurized chamber. These features provide a non-obvious solution to the problem of ankle joint stabilization in specialized environments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include circular fixator systems for other niche environments, such as underwater or space exploration applications. Variations could also include different materials or coatings for the weather-resistant or securement features, or alternative designs for the portable and compact storage container.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including orthopedic implants, medical devices, disaster relief, and specialized healthcare services. The target market includes hospitals, clinics, and medical facilities operating in extreme or specialized environments, as well as organizations providing disaster relief and medical aid in remote or challenging locations.

CPC Classifications

SectionClassGroup
A A61 A61B17/1775
A A61 A61B17/1642
A A61 A61B17/1682
A A61 A61B17/6425
A A61 A61G13/125
A A61 A61B17/157
A A61 A61B17/1659
A A61 A61B17/171
A A61 A61B17/1739
A A61 A61B2090/034
A A61 A61F2/4202
A A61 A61F2/4606
A A61 A61F2002/4205
A A61 A61F2002/4207
A A61 A61G13/129
A A61 A61G13/1295

Field of Art

Orthopedic surgical devices and methods, specifically ankle joint stabilization and prosthetic systems, involving biomechanical fixation technologies and surgical intervention techniques

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or orthopedic surgical device designer with advanced degree, expertise in mechanical design, understanding of joint biomechanics, and knowledge of medical device adaptation for specialized environments

Obviousness Rationale

A PHOSITA would recognize that the source patent's fundamental circular fixator design provides a flexible framework for environmental adaptation. The disclosed variations represent predictable engineering modifications that extend the base technology into niche markets by applying known surface treatments, design constraints, and environmental simulation techniques. These adaptations follow standard engineering problem-solving approaches of modifying existing medical device platforms to address specific operational constraints.

Obvious Combinations & Variations

Source Patent Element
Foot holder with rotation base plate and retaining body defining a groove for locking pins
PTD Variation
Adding weather-resistant coating to prevent corrosion in extreme environments
Obviousness Reasoning
Surface modification using corrosion-resistant treatments is a standard engineering technique for medical devices exposed to challenging conditions, representing a predictable design optimization
Source Patent Element
Cartridge holder with movable tabs for attaching resection guides
PTD Variation
Miniaturizing cartridge holder for space-constrained environments
Obviousness Reasoning
Scaling and size reduction of medical devices is a routine design approach, particularly when maintaining core functional principles of the original mechanism
Source Patent Element
Surgical fixation method for ankle joint stabilization
PTD Variation
Integrating pressurized chamber to simulate high-altitude conditions
Obviousness Reasoning
Environmental simulation is a known technique in medical device testing, representing a logical extension of existing device capabilities using standard engineering principles
Source Patent Element
Foot holder with rotation base plate
PTD Variation
Adding securement device to prevent unauthorized access in high-security environments
Obviousness Reasoning
Implementing additional security features is a predictable design choice when adapting medical devices for specialized institutional contexts
Source Patent Element
Surgical fixation apparatus for ankle joint
PTD Variation
Creating portable and compact design for disaster relief applications
Obviousness Reasoning
Developing transportable medical devices is a standard engineering approach for expanding device utility across different operational contexts
35 U.S.C. § 103 Summary: Based on US Patent 11857207's comprehensive disclosure of circular fixator systems, the present publication demonstrates that a person having ordinary skill in the art would find the claimed environmental adaptations obvious through routine engineering modifications. The variations represent predictable extensions of the source patent's fundamental design principles, applying known techniques to address specific operational constraints without requiring inventive insight beyond standard medical device engineering practices.

Original Patent Information

Patent NumberUS 11,857,207
TitleCircular fixator system and method
Assignee(s)WRIGHT MEDICAL TECHNOLOGY, INC.