Adaptive Stent Systems for Specialized Environments

Publication ID: 24-11857442_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Stent Systems for Specialized Environments,” Published Technical Disclosure No. 24-11857442_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857442_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. 11,857,442.

Summary of the Inventive Concept

The inventive concept adapts stent systems for treating bifurcated vessels to address unique challenges in high-altitude, disaster-relief, high-security, extreme weather, and search-and-rescue environments, ensuring effective and reliable treatment in these specialized settings.

Background and Problem Solved

The original patent, 'System and methods for treating a bifurcation', provides a comprehensive solution for stenting and treating bifurcated vessels. However, its design and functionality may not be optimal for specific, demanding environments. The new inventive concept addresses this limitation by adapting the stent system to cater to the unique requirements of these niche environments, ensuring improved performance, safety, and efficacy.

Detailed Description of the Inventive Concept

The inventive concept comprises a range of specialized stent systems designed for deployment in high-altitude, disaster-relief, high-security, extreme weather, and search-and-rescue environments. These systems incorporate unique features, such as low-pressure stents, portable and battery-powered deployment systems, tamper-evident joints, and stents adapted for icy or frozen vessels. The systems are designed to operate effectively in these challenging environments, ensuring reliable treatment of bifurcated vessels.

Novelty and Inventive Step

The new inventive concept's novelty lies in its adaptation of stent systems for specialized environments, addressing the specific challenges and requirements of these niches. The inventive step is the integration of unique features and functionalities that enable effective and reliable treatment in these environments, going beyond the original patent's design and functionality.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include stent systems designed for other specialized environments, such as underwater or space-based applications. Variations could also involve different materials, geometries, or deployment mechanisms tailored to specific environments or operational requirements.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the medical device industry, particularly in the areas of interventional cardiology and vascular surgery. The target market includes hospitals, medical centers, and specialized treatment facilities operating in high-altitude, disaster-relief, high-security, extreme weather, and search-and-rescue environments.

CPC Classifications

SectionClassGroup
A A61 A61F2/954
A A61 A61B90/39
A A61 A61F2/852
A A61 A61F2/856
A A61 A61F2/958
A A61 A61B2090/3966

Field of Art

Medical device engineering, specifically interventional cardiology and vascular stent design, focusing on complex vessel treatment techniques and deployment systems

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or interventional cardiologist with expertise in catheter-based medical devices, stent design, and minimally invasive vascular intervention techniques, possessing knowledge of materials science, mechanical engineering, and clinical deployment strategies

Obviousness Rationale

A PHOSITA would recognize that the PTD's specialized stent systems represent predictable variations of the source patent's fundamental bifurcation stenting method by adapting known deployment principles to specific environmental constraints. The core stenting methodology remains consistent, with modifications representing routine engineering adaptations to alternative operational contexts. These variations demonstrate standard problem-solving approaches within medical device engineering, where fundamental techniques are systematically modified to address specific use case requirements.

Obvious Combinations & Variations

Source Patent Element
Bifurcation vessel stenting method using dual delivery catheters
PTD Variation
Portable, battery-powered stent deployment system for disaster-relief environments
Obviousness Reasoning
A PHOSITA would find it obvious to incorporate portable power sources into existing stent deployment systems, as medical devices increasingly require field-adaptable technologies. The fundamental deployment mechanism remains unchanged, with power source representing a predictable design modification.
Source Patent Element
Stent advancement technique using guidewire navigation
PTD Variation
Stent systems adapted for low-pressure high-altitude environments
Obviousness Reasoning
Modifying stent material and deployment characteristics for altitude variations represents a standard engineering design choice, leveraging known material science principles to address environmental constraints while maintaining core functional requirements.
Source Patent Element
Dual catheter advancement against vessel carina
PTD Variation
Tamper-evident joint connecting main and side branch stent portions
Obviousness Reasoning
Integrating security features into medical device design is a predictable engineering solution, representing a known technique for enhancing device integrity and preventing unauthorized modifications.
Source Patent Element
Expandable stent mounted on delivery catheter
PTD Variation
Stent systems designed for deployment in icy or frozen vessel environments
Obviousness Reasoning
Adapting material properties and deployment mechanisms for extreme conditions represents a routine engineering problem-solving approach, utilizing known material science and mechanical design principles.
35 U.S.C. § 103 Summary: Based on US Patent 11857442's fundamental bifurcation stenting methodology, the present publication demonstrates that variations addressing specialized environmental deployment contexts would be obvious to a person having ordinary skill in interventional medical device engineering. The disclosed technical variations represent predictable extensions of existing stent deployment techniques, utilizing standard problem-solving approaches within the field and therefore rendering potential derivative claims obvious and unpatentable.

Original Patent Information

Patent NumberUS 11,857,442
TitleSystem and methods for treating a bifurcation
Assignee(s)Advanced Bifurcation Systems Inc.