Stented Prosthetic Heart Valves for Niche Environments

Publication ID: 24-11857413_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Stented Prosthetic Heart Valves for Niche Environments,” Published Technical Disclosure No. 24-11857413_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857413_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. 11,857,413.

Summary of the Inventive Concept

The inventive concept relates to specialized stented prosthetic heart valves adapted for specific, narrow market or unique operational environments, such as high-altitude, disaster relief, extreme weather conditions, high-security, and tropical environments.

Background and Problem Solved

The original patent disclosed a stented prosthetic heart valve with variable stiffness and related methods of use. However, it did not address the unique challenges and requirements of specific, niche environments. The inventive concept solves this problem by adapting the prosthetic heart valve for these environments, ensuring optimal performance and safety.

Detailed Description of the Inventive Concept

The inventive concept comprises a stent frame with variable stiffness, shape memory materials, embedded encryption devices, and hydrophobic coatings, which enable the prosthetic heart valve to operate effectively in high-altitude environments with lower atmospheric pressure, disaster relief settings with limited resources, extreme cold weather conditions, high-security environments requiring secure data transmission, and tropical environments prone to bacterial growth and infection. The stent frame's variable stiffness allows it to accommodate the lower atmospheric pressure at high altitudes, while the shape memory material maintains its shape and structure in extreme cold temperatures. The embedded encryption device securely transmits data related to the prosthetic heart valve in high-security environments, and the hydrophobic coating reduces the risk of bacterial growth and infection in tropical environments.

Novelty and Inventive Step

The inventive concept's novelty lies in its adaptation of the original prosthetic heart valve design for specific, niche environments, addressing unique challenges and requirements not addressed by the original patent. The inventive step is the incorporation of specialized materials and features, such as variable stiffness, shape memory materials, embedded encryption devices, and hydrophobic coatings, which enable the prosthetic heart valve to operate effectively in these environments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include prosthetic heart valves adapted for other niche environments, such as underwater or space exploration settings, or incorporating additional features, such as sensors or power harvesting capabilities.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the medical device industry, particularly in the areas of cardiovascular healthcare and disaster relief. The target market includes hospitals, medical research institutions, and government agencies involved in disaster relief and humanitarian efforts.

CPC Classifications

SectionClassGroup
A A61 A61F2/2418
A A61 A61F2250/0018
A A61 A61F2250/0029

Field of Art

Medical Device Engineering, specifically Cardiovascular Implant Technologies, focusing on prosthetic heart valve design and deployment systems

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with advanced degree, expertise in medical device design, material science, and cardiovascular interventional techniques, familiar with stent frame technologies and implantable medical device adaptations

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable engineering adaptations of the source patent's core prosthetic heart valve technology. The disclosed niche environment modifications leverage known materials science techniques and standard design optimization strategies. The variations demonstrate standard problem-solving approaches for expanding medical device functionality across different operational contexts.

Obvious Combinations & Variations

Source Patent Element
Stent frame with expandable configuration for valve deployment
PTD Variation
Variable stiffness stent frame adapted for high-altitude atmospheric pressure variations
Obviousness Reasoning
Material property modification is a routine engineering design choice for adapting implantable devices to environmental conditions, representing predictable application of known material science principles
Source Patent Element
Radiopaque markers for valve positioning
PTD Variation
Embedded encryption device for secure data transmission in high-security environments
Obviousness Reasoning
Integrating electronic components into medical device frameworks is a known technique, with predictable methods for maintaining device structural integrity and functionality
Source Patent Element
Stent frame maintaining valve structure
PTD Variation
Hydrophobic coating to reduce bacterial growth in tropical environments
Obviousness Reasoning
Surface modification techniques for reducing biological contamination are standard medical device engineering practices, representing an obvious solution to environmental challenge
Source Patent Element
Expandable valve deployment mechanism
PTD Variation
Shape memory material maintaining structural integrity in extreme cold temperatures
Obviousness Reasoning
Selection and application of temperature-resistant materials is a routine engineering design optimization, representing a predictable solution to environmental performance requirements
Source Patent Element
Prosthetic heart valve for native valve replacement
PTD Variation
Specialized valve configurations for disaster relief and limited resource environments
Obviousness Reasoning
Adapting medical devices for specific operational contexts represents standard design engineering problem-solving, utilizing known technological modification techniques
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857413 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations obvious, as they represent predictable engineering adaptations utilizing known material science techniques, surface modification strategies, and standard medical device design optimization approaches. The disclosed variations demonstrate routine problem-solving within the cardiovascular implant technology domain, rendering potential claims covering similar technical modifications obvious and unpatentable.

Original Patent Information

Patent NumberUS 11,857,413
TitleStented prosthetic heart valve with variable stiffness and methods of use
Assignee(s)Medtronic Vascular Galway