Differential Compression Bone Screw for Niche Environments

Publication ID: 24-11857235_0009_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Differential Compression Bone Screw for Niche Environments,” Published Technical Disclosure No. 24-11857235_0009_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857235_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. 11,857,235.

Summary of the Inventive Concept

A bone screw system designed for specialized applications, including high-security environments, disaster relief scenarios, extreme weather conditions, and areas prone to natural disasters, offering enhanced stability and compression.

Background and Problem Solved

The original differential compression bone screw, while effective in general bone repair, has limitations in addressing the unique challenges of niche environments. The new inventive concept adapts the original design to cater to these specific needs, providing a more reliable and effective solution for securing bones in high-stakes situations.

Detailed Description of the Inventive Concept

The inventive concept comprises a differential compression bone screw with a head portion and a distally extending shank, featuring threads with a differential pitch. The system integrates specialized components, such as securement mechanisms, seismic-resistant couplings, and center holes, to enable effective bone compression in high-security environments, disaster relief scenarios, extreme weather conditions, and areas prone to natural disasters. The distal thread pitch can be substantially 2.5 times greater than the proximal thread pitch, ensuring optimal compression in challenging environments.

Novelty and Inventive Step

The new claims introduce novel adaptations of the original differential compression bone screw, including securement mechanisms, seismic-resistant couplings, and optimized thread pitches, which provide a non-obvious solution for addressing the unique challenges of niche environments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in thread pitch, securement mechanisms, and coupling designs to accommodate different environmental conditions, such as high-temperature or high-humidity environments. Additionally, the system could be adapted for use in robotic-assisted surgeries or integrated with other medical devices.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the medical device industry, particularly in the areas of orthopedic surgery, disaster relief, and high-security medical facilities. The target market includes hospitals, medical research institutions, and government agencies involved in disaster response and recovery.

CPC Classifications

SectionClassGroup
A A61 A61B17/863
A A61 A61B17/809
A A61 A61B17/8605
A A61 A61B17/80
A A61 A61B17/8635

Field of Art

Orthopedic surgical devices, specifically bone fixation and compression systems, involving medical device design, biomechanical engineering, and surgical implant technologies

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or orthopedic surgical device designer with advanced degree, expertise in mechanical design of surgical implants, understanding of bone biomechanics, and knowledge of medical device manufacturing techniques

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable extensions of the source patent's core differential compression bone screw technology. The fundamental mechanical principles of thread pitch manipulation and bone compression remain consistent, with the PTD merely adapting the core design to specialized environmental contexts. The technical modifications represent routine design adaptations within the established technological framework of bone fixation systems.

Obvious Combinations & Variations

Source Patent Element
Differential thread pitch with distal threads configured to push bone portions together
PTD Variation
Extending thread pitch variation to 2.5x ratio and specifying application in extreme environmental conditions
Obviousness Reasoning
Routine design optimization of known thread pitch technique, representing a predictable variation within established mechanical design parameters
Source Patent Element
Bone screw with head portion and shank configuration
PTD Variation
Adding securement mechanisms and center holes for specialized deployment scenarios
Obviousness Reasoning
Known technique of modifying surgical implant geometries to address specific clinical or environmental requirements, representing standard design adaptation
Source Patent Element
Bone compression screw with barbs for tissue engagement
PTD Variation
Integrating seismic-resistant coupling mechanisms into head portion
Obviousness Reasoning
Predictable engineering solution extending existing mechanical engagement principles to address environmental stress considerations
Source Patent Element
Basic bone screw compression mechanism
PTD Variation
Adapting design for high-altitude, disaster relief, and high-security environments
Obviousness Reasoning
Routine application of established medical device design principles to novel contextual requirements, representing standard design problem-solving approach
35 U.S.C. § 103 Summary: Based on US Patent 11857235, the present publication demonstrates that the claimed variations in bone screw design represent obvious modifications to existing differential compression bone screw technologies. A person having ordinary skill in the art would recognize these adaptations as predictable engineering solutions arising from routine design optimization and contextual adaptation of known surgical implant technologies.

Original Patent Information

Patent NumberUS 11,857,235
TitleDifferential compression bone screw
Assignee(s)In2Bones USA, LLC