Advanced Looped Wire Systems for Niche Endovascular Applications

Publication ID: 24-11857741_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Advanced Looped Wire Systems for Niche Endovascular Applications,” Published Technical Disclosure No. 24-11857741_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857741_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. 11,857,741.

Summary of the Inventive Concept

This inventive concept adapts the original looped wire design for specialized, high-stakes endovascular procedures in extreme weather conditions, high-security environments, disaster relief operations, high-altitude settings, and areas with limited access to medical facilities.

Background and Problem Solved

The original looped wire design for endograft systems, as described in the parent patent, has limitations in addressing the unique challenges posed by these niche applications. The new inventive concept addresses these limitations by incorporating specialized materials, coatings, and mechanisms to ensure the reliability and effectiveness of the looped wire system in these demanding environments.

Detailed Description of the Inventive Concept

The advanced looped wire system comprises a plurality of pre-cannulation wires, each featuring a looped wire design adapted to withstand extreme weather conditions, high-security environments, or other specialized requirements. The wires are designed to maintain flexibility, visibility, and quick-release capabilities in low-light, high-wind, or low-temperature conditions. The system may include specialized coatings to prevent ice formation, enhanced visibility under low-light conditions, or quick-release mechanisms for emergency deployment.

Novelty and Inventive Step

The new inventive concept introduces novel adaptations of the original looped wire design to address the specific challenges of niche endovascular applications. The combination of specialized materials, coatings, and mechanisms provides a non-obvious solution to the limitations of the original design, offering a significant improvement in the reliability and effectiveness of endovascular procedures in these demanding environments.

Alternative Embodiments and Variations

Alternative embodiments of the advanced looped wire system could include variations in wire materials, coatings, or mechanisms tailored to specific niche applications. For example, a system for high-altitude environments could incorporate a specialized insulation to maintain wire flexibility in low-temperature conditions, while a system for disaster relief operations could feature a simplified, quick-release mechanism for emergency deployment.

Potential Commercial Applications and Market

The advanced looped wire system has significant commercial potential in the medical device industry, particularly in the areas of endovascular aneurysm repair, thoracic endovascular aneurysm repair, and stent graft deployment. The system's ability to address the unique challenges of niche applications could expand the market for endovascular procedures, providing a competitive advantage for manufacturers and improving patient outcomes in these critical environments.

CPC Classifications

SectionClassGroup
A A61 A61M25/09
A A61 A61F2/95
A A61 A61F2/954
A A61 A61F2/07
A A61 A61F2002/065
A A61 A61M2025/0915
A A61 A61M2025/09108
A A61 A61M2025/09133
A A61 A61M2025/09141
A A61 A61M2025/09175

Field of Art

Endovascular medical devices, specifically stent graft systems and pre-cannulation wire technologies for aneurysm repair, requiring advanced knowledge of medical device engineering, interventional radiology, and materials science

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or interventional radiologist with expertise in endovascular device design, familiar with materials engineering, medical device adaptability, and complex surgical deployment techniques

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable extensions of the source patent's looped wire stent graft technology, applying known engineering principles to address specific environmental and operational challenges. The core wire design remains fundamentally consistent, with modifications representing standard design adaptations for specialized medical environments. These variations demonstrate routine problem-solving within the established technological framework of endovascular device engineering.

Obvious Combinations & Variations

Source Patent Element
Pre-cannulation wire with looped configuration for endograft deployment
PTD Variation
Adding specialized coatings to prevent ice formation and maintain wire flexibility
Obviousness Reasoning
Material modification for environmental adaptation is a predictable design choice for medical devices exposed to extreme conditions, representing a known technique for extending device functionality
Source Patent Element
Endograft system with multiple fenestrations and pre-cannulation wires
PTD Variation
Incorporating quick-release mechanisms for emergency deployment in disaster relief scenarios
Obviousness Reasoning
Enhancing device responsiveness through mechanical modifications is an obvious solution for improving medical device performance in time-critical environments
Source Patent Element
Looped wire design for stent graft navigation
PTD Variation
Adding enhanced visibility features for low-light or high-security deployment scenarios
Obviousness Reasoning
Improving device visibility through known optical or material enhancement techniques represents a standard approach to solving situational deployment challenges
Source Patent Element
Endovascular wire system with configurable loop structures
PTD Variation
Developing portable, battery-powered deployment mechanisms for limited-access medical environments
Obviousness Reasoning
Integrating power systems and portability features is a predictable engineering solution for expanding medical device utility in resource-constrained settings
Source Patent Element
Pre-cannulated endograft with multiple wire configurations
PTD Variation
Adapting wire design to withstand high winds and turbulent water flow conditions
Obviousness Reasoning
Modifying material properties and structural configurations to enhance environmental resilience represents a routine engineering design optimization
35 U.S.C. § 103 Summary: Based on US Patent 11857741's disclosure of looped wire stent graft technologies, the present publication demonstrates that variations addressing specialized deployment environments represent obvious extensions of the prior art, rendering subsequent claims involving similar environmental adaptations anticipated and non-patentable under standard obviousness analysis.

Original Patent Information

Patent NumberUS 11,857,741
TitleLooped wire for advanced stent grafts and methods of using same
Assignee(s)W. L. Gore & Associates, Inc.