Specialized Differential Compression Bone Screws for Niche Environments

Publication ID: 24-11857235_0004_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Differential Compression Bone Screws for Niche Environments,” Published Technical Disclosure No. 24-11857235_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857235_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. 11,857,235.

Summary of the Inventive Concept

The inventive concept adapts the differential compression bone screw for specific, high-demand environments, including high-security, extreme weather, disaster relief, high-temperature, and low-oxygen settings, offering enhanced stability, security, and performance in these unique contexts.

Background and Problem Solved

The original differential compression bone screw patent addresses the need for securing bones together, but it has limitations in terms of adaptability to specialized environments. The present inventive concept solves this problem by introducing reinforced, water-resistant, heat-resistant, and oxygen-permeable materials, as well as built-in sensors and tamper-resistant designs, to ensure the bone screw's effectiveness in niche operational environments.

Detailed Description of the Inventive Concept

The inventive concept comprises a family of differential compression bone screws, each tailored to a specific environment. For high-security environments, the bone screw features a reinforced head portion to resist tampering or unauthorized access. For extreme weather conditions, the bone screw includes a water-resistant coating to prevent corrosion. For disaster relief, the bone screw incorporates a built-in sensor to monitor bone compression and stability. For high-temperature environments, the bone screw features a heat-resistant coating to withstand temperatures above 200°C. For low-oxygen environments, the bone screw includes an oxygen-permeable material to facilitate bone healing.

Novelty and Inventive Step

The new claims introduce novel, non-obvious adaptations of the differential compression bone screw to address the unique challenges of specialized environments. The inventive step lies in the specific combinations of materials, designs, and features that enable the bone screw to operate effectively in these niche contexts.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include bone screws with adjustable thread pitches, removable sensors, or integrated antibiotic coatings. Variations could also include bone screws designed for specific types of bones, such as spinal or cranial bones, or for use in conjunction with other medical devices, such as bone plates or implants.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including orthopedic and trauma care, disaster relief, and high-security medical facilities. The target market includes medical device manufacturers, hospitals, and research institutions operating in these specialized environments.

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 expertise in mechanical design, materials science, and understanding of bone fixation principles, typically holding a master's or doctoral degree with 3-5 years of specialized medical device development experience

Obviousness Rationale

A PHOSITA would recognize that the source patent's fundamental differential compression bone screw design provides a versatile platform for environmental adaptations. The core mechanical principles of thread pitch, head configuration, and bone engagement remain consistent across the PTD's variations. The proposed modifications represent predictable engineering solutions addressing specific use case constraints using known materials and design techniques.

Obvious Combinations & Variations

Source Patent Element
Differential thread pitch with distal and proximal thread configurations
PTD Variation
Adding specialized coatings or material modifications for environmental resistance
Obviousness Reasoning
A PHOSITA would find it obvious to apply known surface treatment and coating technologies to enhance the base bone screw design for specific environmental challenges using standard materials engineering techniques
Source Patent Element
Head portion with bone tissue engagement features
PTD Variation
Incorporating integrated sensors or monitoring capabilities into the head portion
Obviousness Reasoning
Embedding sensing technologies into medical implants is a known technique, and a PHOSITA would recognize the predictable benefits of adding monitoring capabilities to an existing bone screw design
Source Patent Element
Bone compression screw with variable thread geometries
PTD Variation
Developing environment-specific variations targeting high-security, extreme weather, disaster relief scenarios
Obviousness Reasoning
Adapting medical devices for specific use cases represents a standard design approach, and a PHOSITA would find these variations obvious extensions of the base mechanical design principles
Source Patent Element
Threaded shank with differential pitch configuration
PTD Variation
Adding oxygen-permeable materials or specialized surface treatments
Obviousness Reasoning
Material selection and surface modification are routine design choices for medical implants, and a PHOSITA would recognize these as predictable engineering solutions to enhance device performance
35 U.S.C. § 103 Summary: Based on US Patent 11857235's disclosure of a differential compression bone screw, the present publication demonstrates that a Person Having Ordinary Skill In The Art would find the claimed variations obvious through routine engineering modifications. The proposed environmental adaptations represent predictable extensions of known bone screw design principles, utilizing standard materials science and medical device engineering techniques to address specific use case requirements.

Original Patent Information

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