Adaptive Set Screw Insertion Instruments for Niche Environments

Publication ID: 24-11857225_0004_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Set Screw Insertion Instruments for Niche Environments,” Published Technical Disclosure No. 24-11857225_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857225_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. 11,857,225.

Summary of the Inventive Concept

The present disclosure relates to specialized set screw insertion instruments designed for specific, high-stakes operational environments, including high-altitude, disaster relief, high-security, extreme weather, and resource-constrained settings.

Background and Problem Solved

The original patent disclosed a multiple set screw insertion instrument for general spine surgery applications. However, this instrument may not be suitable for unique operational environments where specific challenges arise, such as low oxygen levels, harsh weather conditions, or limited medical resources. The present inventive concept addresses these limitations by adapting the original instrument for these niche environments.

Detailed Description of the Inventive Concept

The inventive concept comprises a family of set screw insertion instruments tailored to specific operational environments. For high-altitude environments, the instrument features a reinforced shaft and enhanced grip handle for improved control in low-oxygen conditions. In disaster relief situations, the instrument is adapted for use with a portable power source and includes a water-resistant coating to withstand exposure to harsh environmental conditions. For high-security facilities, the instrument incorporates a tamper-evident design with a secure handle and locking mechanism to prevent unauthorized access to the set screws. In extreme weather conditions, the instrument features a heated handle and a shaft coated with a weather-resistant material to maintain functionality in freezing temperatures. Finally, for areas with limited medical resources, the instrument is designed for simplified, manual operation and includes a sterilizable design for reuse in resource-constrained environments.

Novelty and Inventive Step

The inventive concept's novelty lies in its adaptation of the original instrument for specific, high-stakes operational environments, addressing the limitations of the original patent. The inventive step resides in the combination of specialized features and designs that enable the instrument to function effectively in these unique environments.

Alternative Embodiments and Variations

Other embodiments of the inventive concept could include instruments designed for use in space exploration, search and rescue operations, or other specialized settings. Variations of the instrument could incorporate advanced materials, such as titanium or ceramic, for enhanced durability and resistance to extreme conditions.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the medical device industry, particularly in the areas of spine surgery, orthopedics, and emergency response. Target industries include medical device manufacturers, hospitals, and emergency response organizations operating in high-stakes environments.

CPC Classifications

SectionClassGroup
A A61 A61B17/7091
A A61 A61B17/7035
A A61 A61B17/7076

Field of Art

Surgical instrumentation, specifically spinal fixation and set screw insertion devices, requiring expertise in medical device design, mechanical engineering, and surgical tool manufacturing

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or surgical instrument designer with advanced degree, 5-7 years experience in orthopedic/spinal surgical tool development, familiar with materials science, mechanical adaptations, and environmental performance requirements

Obviousness Rationale

A PHOSITA would recognize that the fundamental set screw insertion mechanism from the source patent can be readily adapted to different operational environments using standard engineering design modifications. The core functional elements of shaft configuration, handle design, and screw delivery mechanism remain consistent across the disclosed variations. These adaptations represent predictable engineering solutions to extend the instrument's utility in specialized contexts.

Obvious Combinations & Variations

Source Patent Element
Shaft with distal portion configured to drive set screws
PTD Variation
Reinforced shaft for high-altitude environments with enhanced material properties
Obviousness Reasoning
Material reinforcement is a standard engineering approach for addressing environmental performance, representing a predictable design modification within a PHOSITA's skill set
Source Patent Element
Handle coupled to shaft with ratchet teeth mechanism
PTD Variation
Heated handle and secure locking mechanism for extreme environments
Obviousness Reasoning
Modifying handle functionality through temperature control and security features represents a known technique for adapting surgical instruments to specific use cases
Source Patent Element
Sleeve configured to contact proximal-most set screw
PTD Variation
Water-resistant coating and portable power source adaptation
Obviousness Reasoning
Adding protective coatings and power source compatibility are predictable engineering solutions for expanding instrument functionality in challenging environments
Source Patent Element
Detent mechanism with spring-biased ball in handle
PTD Variation
Tamper-evident design with enhanced locking mechanism for high-security facilities
Obviousness Reasoning
Expanding existing locking mechanisms to include security features represents an obvious design extension using known mechanical engineering principles
Source Patent Element
Set screw insertion instrument basic configuration
PTD Variation
Sterilizable design for resource-constrained environments with manual operation
Obviousness Reasoning
Simplifying instrument operation and enhancing sterilization capabilities are standard design considerations for medical devices in limited-resource settings
35 U.S.C. § 103 Summary: Based on US Patent 11857225's disclosure of a set screw insertion instrument, the present publication demonstrates that a person of ordinary skill in the art would find the disclosed environmental and operational variations obvious through standard engineering adaptations. The variations represent predictable extensions of the source patent's fundamental mechanical design, utilizing known techniques to modify instrument performance for specialized contexts.

Original Patent Information

Patent NumberUS 11,857,225
TitleMultiple set screw insertion instrument and methods
Assignee(s)Medos International Srl