Specialized Orthopedic Screws for Niche Environments

Publication ID: 24-11857236_0004_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Orthopedic Screws for Niche Environments,” Published Technical Disclosure No. 24-11857236_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857236_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. 11,857,236.

Summary of the Inventive Concept

Adaptable orthopedic screw systems for high-altitude, extreme cold weather, disaster relief, high-security, and osteoporosis environments, offering enhanced compression, pullout resistance, and infection prevention.

Background and Problem Solved

The original patent disclosed an orthopedic screw for reducing and fixing fractures of the lateral malleolus. However, it did not address the specific challenges posed by unique operational environments. The new inventive concept adapts the original design to cater to these specialized needs, providing improved performance and safety in high-altitude, extreme cold weather, disaster relief, high-security, and osteoporosis contexts.

Detailed Description of the Inventive Concept

The inventive concept comprises a family of orthopedic screw systems tailored to specific niche environments. The high-altitude system features a modified buttress thread configuration for increased compression and pullout resistance in low-oxygen conditions. The extreme cold weather system incorporates cryogenic cooling agents to enhance screw thread grip on bone segments. The disaster relief system includes antimicrobial coatings to reduce infection risks. The high-security system features tamper-evident screw threads to detect unauthorized access or manipulation. The osteoporosis system applies bone cement to screw threads for enhanced grip and bone growth promotion.

Novelty and Inventive Step

The new claims introduce novel adaptations of the original orthopedic screw design to address specific challenges in niche environments, providing enhanced performance, safety, and security features not present in the original patent.

Alternative Embodiments and Variations

Alternative embodiments may include variations in screw thread geometry, materials, or coatings to further optimize performance in specific environments. Additional features, such as sensors or monitoring systems, could be integrated to enhance the screws' functionality.

Potential Commercial Applications and Market

The specialized orthopedic screw systems have significant commercial potential in various industries, including medical devices, disaster relief, high-security facilities, and osteoporosis treatment. The market for these systems is substantial, driven by the growing need for adaptable and effective solutions in diverse operational environments.

CPC Classifications

SectionClassGroup
A A61 A61B17/8685
A A61 A61B17/8625
A A61 A61B90/06
A A61 A61B2090/062

Field of Art

Orthopedic surgical devices and methods, specifically focusing on bone fracture repair techniques involving specialized screws for bone segment fixation, with expertise in biomechanical design, surgical implant engineering, and medical device optimization

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or orthopedic surgical device designer with advanced degree, 5-10 years experience in medical device development, familiar with orthopedic implant design principles, material science, and surgical application techniques

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable engineering adaptations of the source patent's core orthopedic screw technology, applying standard design modification techniques to address specific environmental and medical challenges. The disclosed variations leverage known materials science and surgical engineering principles to extend the base screw design into specialized contexts. These modifications represent incremental improvements using standard design approaches within the orthopedic surgical device domain.

Obvious Combinations & Variations

Source Patent Element
Unitary shaft with screw threads for bone fragment reduction
PTD Variation
Modified buttress thread configuration for high-altitude environments with increased compression and pullout resistance
Obviousness Reasoning
A PHOSITA would recognize thread geometry modifications as a standard design approach for optimizing mechanical performance in challenging environments, using predictable material science principles
Source Patent Element
Cannulated orthopedic screw design with guide wire compatibility
PTD Variation
Antimicrobial coating on screw threads for disaster relief applications
Obviousness Reasoning
Surface modification of surgical implants using antimicrobial agents is a known technique for reducing infection risks, representing an obvious extension of standard medical device engineering practices
Source Patent Element
Screw with tapered transition segment for fracture reduction
PTD Variation
Tamper-evident thread features for high-security environments
Obviousness Reasoning
Integrating security features into medical device designs is a predictable design choice, utilizing standard mechanical engineering principles to modify existing screw thread geometries
Source Patent Element
Orthopedic screw for bone segment fixation
PTD Variation
Bone cement application to enhance thread grip in osteoporosis patients
Obviousness Reasoning
Augmenting surgical implant performance through supplementary materials is a standard technique in orthopedic device design, representing an obvious solution to improve bone interface stability
Source Patent Element
Surgical method for screw implantation across bone segments
PTD Variation
Cryogenic cooling agent application to enhance screw thread grip in extreme cold environments
Obviousness Reasoning
Applying environmental adaptation techniques to medical devices is a predictable engineering approach, using known material science principles to modify implant performance characteristics
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857236 and the disclosed variations, a person having ordinary skill in the art would find the presented orthopedic screw adaptations obvious and anticipated, as they represent predictable engineering modifications using standard design techniques within the orthopedic surgical device domain. The variations constitute obvious extensions of the source patent's core technological principles, rendering subsequent claims covering similar technical approaches unpatentable under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,236
TitleOrthopedic screw
Assignee(s)RetroFix Screws, LLC