Adaptive Stent Graft Technology for Environmental and Industrial Applications

Publication ID: 24-11857443_0007_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Adaptive Stent Graft Technology for Environmental and Industrial Applications,” Published Technical Disclosure No. 24-11857443_0007_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857443_0007_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. 11,857,443.

Summary of the Inventive Concept

The inventive concept leverages the core technology of the original patent to develop innovative solutions for environmental monitoring, agricultural preservation, wind turbine maintenance, coastal erosion mitigation, and oil spill remediation.

Background and Problem Solved

The original patent focused on controlling catastrophic bleeding from large and medium-sized vessels. However, the limitations of the original patent led to the realization that the stent graft technology could be adapted to address various environmental and industrial challenges. The new inventive concept addresses the need for efficient and effective solutions in these fields.

Detailed Description of the Inventive Concept

The inventive concept comprises a deployable stent graft device, sensing modules, and control systems tailored to specific applications. In environmental monitoring, the stent graft captures and contains pollutants in waterways, while sensing modules detect pollutant levels and trigger alarm notifications. In agricultural preservation, the stent graft device controls water flow and temperature to prevent frost damage. In wind turbine maintenance, the stent graft seals and contains damaged blade sections, and a robotic inspection module detects and repairs damage. In coastal erosion mitigation, the stent graft device controls water flow and sediment transport, and a sensing module monitors erosion rates and adjusts device configuration. In oil spill remediation, the stent graft device contains and absorbs oil spills, and a chemical treatment module breaks down oil particles and facilitates cleanup.

Novelty and Inventive Step

The new claims introduce novel applications of the stent graft technology, which were not originally considered in the patent. The inventive step lies in adapting the core technology to address diverse environmental and industrial challenges, demonstrating a significant departure from the original patent's focus on medical applications.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different materials, shapes, or sizes of stent graft devices, varying sensing module configurations, and adaptations for specific industries or use cases. These variations would ensure broad conceptual coverage and provide a foundation for further innovation.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including environmental monitoring, agriculture, wind energy, coastal protection, and oil spill remediation. The market for these applications is substantial, with growing demand for innovative solutions to address pressing environmental and industrial challenges.

CPC Classifications

SectionClassGroup
A A61 A61F2/958
A A61 A61B5/02
A A61 A61B5/02042
A A61 A61B5/6862
A A61 A61B17/12036
A A61 A61B17/12045
A A61 A61B17/12109
A A61 A61B17/12118
A A61 A61B17/12136
A A61 A61F2/07
A A61 A61B5/024
A A61 A61B5/02055
A A61 A61B5/02158
A A61 A61B5/14539
A A61 A61B5/14542
A A61 A61B5/6853
A A61 A61B2017/00017
A A61 A61B2017/00022
A A61 A61F2/9522
A A61 A61F2002/061
A A61 A61F2002/077
A A61 A61F2002/9528
A A61 A61F2230/0067
A A61 A61F2230/0069
A A61 A61F2250/001
A A61 A61F2250/0002
A A61 A61F2250/0003
A A61 A61F2250/0024
A A61 A61F2250/0039
A A61 A61F2250/0059
A A61 A61F2250/0069
A A61 A61F2250/0096

Field of Art

Biomedical engineering and medical device design, with expertise in endovascular technologies, sensing systems, and adaptive structural devices for fluid containment and monitoring

Person of Ordinary Skill (PHOSITA) Profile

A skilled practitioner with advanced engineering degrees, knowledge of medical device design, fluid dynamics, sensor integration, and cross-domain technology adaptation, capable of translating core technological principles across different application domains

Obviousness Rationale

A PHOSITA would recognize that the fundamental structural and functional elements of the source patent's stent graft technology - including expandable tubular frames, sensing modules, and fluid flow control mechanisms - can be readily adapted to alternative environmental and industrial applications by applying standard engineering design principles and cross-domain technology transfer techniques.

Obvious Combinations & Variations

Source Patent Element
Stent graft with expandable tubular metallic frame and fluid pressure sensing capabilities
PTD Variation
Deploying stent graft device for environmental pollutant containment in waterways with integrated sensing modules
Obviousness Reasoning
Predictable extension of existing fluid containment and monitoring technology to a different technical domain, utilizing known sensor integration techniques
Source Patent Element
Balloon inflation system for controlling device geometry and fluid dynamics
PTD Variation
Using balloon inflation to control water flow and temperature in agricultural irrigation systems
Obviousness Reasoning
Known technique of pressure-based fluid control, representing a straightforward application of existing mechanical principles to a new problem space
Source Patent Element
Sensors for detecting fluid pressure and flow rates
PTD Variation
Implementing sensing modules to monitor coastal erosion rates and dynamically adjust device configuration
Obviousness Reasoning
Obvious combination of existing sensor technologies with adaptive structural systems, representing a standard engineering approach to environmental monitoring
Source Patent Element
Stent graft with sealable and containable structural design
PTD Variation
Adapting stent graft technology to seal and contain damaged wind turbine blade sections
Obviousness Reasoning
Predictable application of existing structural containment principles to alternative mechanical failure scenarios
Source Patent Element
Covering material disposed on metallic frame for fluid interaction
PTD Variation
Chemical treatment module integrated with stent graft to break down oil particles during spill remediation
Obviousness Reasoning
Known technique of incorporating chemical treatment capabilities into structural containment devices, representing a standard engineering design approach
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857443, a Person Having Ordinary Skill In The Art would find the technical variations disclosed herein to be obvious extensions of the source patent's core technological principles, representing predictable applications of known endovascular device design techniques to alternative technical domains, and therefore constituting valid prior art that would render obvious any subsequently claimed substantially similar technological implementations.

Original Patent Information

Patent NumberUS 11,857,443
TitleAutomated retrievable hemorrhage control system
Assignee(s)Board of Regents of the University of Nebraska