Expandable Structure for Removing Unwanted Materials

Publication ID: 24-11857210_0007_PTD
Published: November 07, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Expandable Structure for Removing Unwanted Materials,” Published Technical Disclosure No. 24-11857210_0007_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857210_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. 11,857,210.

Summary of the Inventive Concept

A versatile expandable structure technology for various industries, enabling efficient removal of unwanted materials from diverse environments, including marine ecosystems, industrial pipes, and agricultural settings.

Background and Problem Solved

The original clot retrieval device patent addressed the pressing issue of acute blockages in blood vessels. However, the same core technology can be adapted to tackle analogous problems in other fields. For instance, plastic waste in marine ecosystems, invasive aquatic species in water bodies, and clogged industrial pipes all require effective removal solutions. The new inventive concept addresses these limitations by applying the expandable structure technology to novel applications.

Detailed Description of the Inventive Concept

The inventive concept comprises an expandable structure with a constrained delivery configuration, an expanded material-engaging deployed configuration, and an at least partially constrained material-pinching configuration. The proximal section of the expandable structure features clot embedding cells and segments of lower outward radial force, enabling efficient removal of unwanted materials. The structure can be tailored for specific applications, such as detecting and removing plastic waste from marine ecosystems, removing invasive aquatic species from a body of water, cleaning industrial pipes, or removing weeds from drainage ditches.

Novelty and Inventive Step

The new inventive concept's novelty lies in its application of the expandable structure technology to diverse industries and environments, addressing previously unconsidered problems. The inventive step involves adapting the original device's components and operation to effectively remove unwanted materials in these new contexts.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include modifications to the expandable structure's material, size, and shape to suit specific applications. Variations may also involve integrating sensors or imaging technology to enhance detection and removal capabilities.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential across various industries, including environmental conservation, industrial maintenance, and agriculture. The technology's adaptability and effectiveness in removing unwanted materials could lead to widespread adoption, contributing to a cleaner and more sustainable environment.

CPC Classifications

SectionClassGroup
A A61 A61B17/221
A A61 A61B90/39
A A61 A61F2/013
A A61 A61B17/320725
A A61 A61B2017/00867
A A61 A61B2017/2215
A A61 A61B2017/2217
A A61 A61B2017/22034
A A61 A61B2017/22079
A A61 A61B2017/22094
A A61 A61B2090/3966
A A61 A61F2002/016
A A61 A61F2230/008
A A61 A61F2230/0091

Field of Art

Medical device engineering, specifically interventional medical devices for material removal and manipulation within biological or fluid systems, encompassing device design, expandable structure mechanics, and multi-configuration medical instruments

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in medical device design, familiar with expandable medical technologies, possessing knowledge of fluid dynamics, material science, and device configuration strategies for minimally invasive interventions

Obviousness Rationale

A PHOSITA would recognize the fundamental expandable structure design from the source patent as readily adaptable to multiple material removal contexts beyond medical applications. The core mechanical principles of constrained delivery, expansion, and pinching configurations represent a generalizable technology that can be systematically translated across different environments and material types. The PTD demonstrates predictable variations that leverage the source patent's core mechanical innovation through systematic substitution of target materials and operational contexts.

Obvious Combinations & Variations

Source Patent Element
Expandable structure with proximal section having clot embedding cells and variable radial force segments
PTD Variation
Applying identical structural mechanics to remove plastic waste from marine ecosystems
Obviousness Reasoning
Known technique of translating mechanical principles across domains, with predictable results based on structural similarity and consistent operational mechanics
Source Patent Element
Device capable of transitioning between constrained and expanded configurations
PTD Variation
Adapting structure for removing invasive aquatic species from water environments
Obviousness Reasoning
Finite design solution demonstrating systematic application of existing mechanical concept to alternative material removal scenarios
Source Patent Element
Proximal section with variable radial force and embedding capabilities
PTD Variation
Utilizing expandable structure for industrial pipe cleaning and weed removal
Obviousness Reasoning
Obvious design extension representing a predictable combination of known mechanical principles with alternative target materials
Source Patent Element
Expandable structure with configurable deployment mechanics
PTD Variation
Microalgae harvesting using identical structural approach
Obviousness Reasoning
Straightforward application of established mechanical design to alternative material collection contexts, representing a known technique for technological adaptation
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857210, a person having ordinary skill in the art would find the variations disclosed in the Published Technical Disclosure obvious and anticipated, as the fundamental mechanical principles of the expandable structure represent a generalizable technology systematically translatable across multiple material removal contexts through predictable design modifications.

Original Patent Information

Patent NumberUS 11,857,210
TitleClot retrieval device for removing clot from a blood vessel
Assignee(s)Neuravi Limited