Enhanced Implantable Intraluminal Device for Efficient Fluid Flow Management

Publication ID: 24-11857407_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Implantable Intraluminal Device for Efficient Fluid Flow Management,” Published Technical Disclosure No. 24-11857407_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857407_0006_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. 11,857,407.

Summary of the Inventive Concept

An implantable intraluminal device system with improved fluid flow management and reduced tissue ingrowth, enabling efficient treatment of bodily conduits and side branches.

Background and Problem Solved

The original implantable intraluminal device patent has limitations in fluid flow management and tissue ingrowth, which can lead to reduced effectiveness and complications. The new inventive concept addresses these limitations by introducing enhanced fluid flow channels, axial reinforcement members, and a fluid flow control mechanism, enabling more efficient treatment of bodily conduits and side branches.

Detailed Description of the Inventive Concept

The enhanced implantable intraluminal device system comprises a primary device with a longitudinal axis and at least one fluid flow channel, and a secondary device with a longitudinal axis and at least one fluid flow channel. The primary device is configured to be deployed through a side branch of a bodily conduit, and the secondary device is configured to be deployed through the primary device. The system includes multiple tubular segments with individual annular stent members and tubular membranes, connected by one or more axial reinforcement members. The stent graft device is configured to operably allow the flow of fluids between the primary conduit and the side branch through flow channels disposed at the peripheral wall of the stent graft device. A fluid flow control mechanism is further included to regulate fluid flow between the primary conduit and the side branch.

Novelty and Inventive Step

The new inventive concept introduces a novel fluid flow management system, which combines axial reinforcement members and a fluid flow control mechanism to efficiently manage fluid flow between bodily conduits and side branches. This is a non-obvious improvement over the original patent, as it requires a deep understanding of fluid dynamics and stent graft device design.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include varying the number and configuration of tubular segments, using different materials for the stent members and membranes, or incorporating sensors and monitoring systems to optimize fluid flow management. Additionally, the inventive concept could be adapted for use in other bodily conduits, such as cardiovascular or neurological systems.

Potential Commercial Applications and Market

The enhanced implantable intraluminal device system has significant commercial potential in the medical device industry, particularly in the treatment of cardiovascular and peripheral artery diseases. The target market includes hospitals, medical research institutions, and patients requiring stent graft devices for bodily conduit treatment.

CPC Classifications

SectionClassGroup
A A61 A61F2/07
A A61 A61F2/04
A A61 A61F2/852
A A61 A61F2/88
A A61 A61F2/89
A A61 A61F2002/041
A A61 A61F2002/075
A A61 A61F2240/001
A A61 A61F2250/0065
Y Y10 Y10T29/49826

Field of Art

Medical device engineering, specifically implantable intraluminal devices for vascular and organ interventions, requiring expertise in materials science, fluid dynamics, biomedical engineering, and medical device design with advanced knowledge of stent graft technologies

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with advanced degree, 5-7 years of experience in interventional medical device development, familiar with stent graft design, fluid flow management, and minimally invasive surgical techniques

Obviousness Rationale

A PHOSITA would recognize that the PTD's fluid flow management system represents a predictable extension of the source patent's helical stent graft design, utilizing known engineering principles of modular device configuration and fluid channel optimization to address common challenges in intraluminal device deployment and tissue interaction.

Obvious Combinations & Variations

Source Patent Element
Helically arranged membranous strip with overlapped turns allowing fluid communication
PTD Variation
Adding explicit fluid flow channels at peripheral wall and incorporating axial reinforcement members
Obviousness Reasoning
Predictable design optimization using known modular stent graft configuration techniques to enhance fluid dynamics and structural integrity
Source Patent Element
Implantable medical device system with primary and secondary tubular members
PTD Variation
Introducing fluid flow control mechanism to regulate inter-conduit fluid exchange
Obviousness Reasoning
Routine engineering solution addressing known challenges of fluid management in branched anatomical structures
Source Patent Element
Stent graft device with flexible membranous components
PTD Variation
Implementing multiple tubular segments with individual annular stent members connected by axial reinforcement
Obviousness Reasoning
Obvious mechanical adaptation using standard modular design principles in medical device engineering
Source Patent Element
Implantable device configured for deployment through bodily conduits
PTD Variation
Expanding deployment configuration to enable secondary device insertion through primary device
Obviousness Reasoning
Logical extension of existing deployment strategies using known medical device integration techniques
35 U.S.C. § 103 Summary: Based on US Patent 11857407, the present publication demonstrates that the claimed variations in intraluminal device design represent obvious modifications to existing stent graft technologies, employing standard engineering techniques and predictable combinations of known elements to achieve enhanced fluid flow management and device configurability.

Original Patent Information

Patent NumberUS 11,857,407
TitleImplantable intraluminal device
Assignee(s)W. L. Gore & Associates, Inc.