Specialized Suture Guards for Niche Environments

Publication ID: 24-11857410_0009_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Suture Guards for Niche Environments,” Published Technical Disclosure No. 24-11857410_0009_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857410_0009_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. 11,857,410.

Summary of the Inventive Concept

The inventive concept adapts the original suture guard for prosthetic valves to cater to specific, high-demand markets and unique operational environments, such as high-radiation, disaster relief, extreme weather, high-security, and underwater/hyperbaric conditions.

Background and Problem Solved

The original patent disclosed a suture guard for prosthetic valves, but it lacked adaptability for specialized applications. This limitation is addressed by the new inventive concept, which provides tailored solutions for distinct environments and scenarios, ensuring enhanced performance, safety, and efficiency in these niche markets.

Detailed Description of the Inventive Concept

The new inventive concept comprises a prosthetic valve and a suture guard adapted for specific environments, such as radiation-resistant materials for high-radiation environments, thermally-insulated sleeves for extreme cold weather, pressure-resistant sleeves for underwater/hyperbaric conditions, and encrypted identification tags for high-security scenarios. Corresponding delivery devices are designed to facilitate implantation while minimizing risks and challenges inherent to these environments.

Novelty and Inventive Step

The new claims introduce novel adaptations of the original suture guard, such as radiation-resistant materials, thermally-insulated sleeves, pressure-resistant sleeves, and encrypted identification tags, which are non-obvious and provide a significant advantage in their respective niche environments.

Alternative Embodiments and Variations

Alternative embodiments may include adjustable radiation shielding, modular sleeve designs for easy customization, or integrated sensors for real-time environmental monitoring. Variations could include using different materials or geometries for the suture guard, or incorporating additional features, such as sterilization indicators or implantation verification systems.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including healthcare, aerospace, disaster relief, and national defense. Target markets may include hospitals, research institutions, government agencies, and private companies operating in these specialized environments.

CPC Classifications

SectionClassGroup
A A61 A61F2/2409
A A61 A61F2/2427
A A61 A61B2017/0496
A A61 A61F2/2412
A A61 A61F2/2454
A A61 A61F2220/0075

Field of Art

Medical device engineering, specifically prosthetic heart valve systems and surgical implantation technologies, with expertise in mechanical design, biomaterials, and specialized medical device adaptations

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with advanced degree, 5-10 years experience in medical device design, familiar with prosthetic valve technologies, materials science, and surgical implementation techniques across diverse medical environments

Obviousness Rationale

A PHOSITA would recognize that the fundamental suture guard mechanism from the source patent can be readily adapted to specialized environments by selecting appropriate materials and incorporating known engineering modifications. The core mechanical principles of suture guard attachment and valve integration remain consistent across the disclosed variations. The adaptations represent predictable engineering solutions to known environmental challenges in medical device deployment.

Obvious Combinations & Variations

Source Patent Element
Adjustable threaded coupling between suture guard and delivery sleeve
PTD Variation
Incorporating radiation-resistant materials into the threaded coupling mechanism
Obviousness Reasoning
Material substitution is a standard design approach for environmental adaptation, with predictable engineering outcomes and well-established material selection methodologies
Source Patent Element
Suture guard with modular attachment system
PTD Variation
Adding encrypted identification tags to the suture guard's modular interface
Obviousness Reasoning
Integration of authentication technologies represents a known technique for enhancing medical device security, utilizing standard electronic tagging methods
Source Patent Element
Sleeve configuration allowing adjustable positioning
PTD Variation
Developing thermally-insulated sleeves for extreme environmental conditions
Obviousness Reasoning
Thermal management through material selection is a routine engineering design choice with well-understood principles of heat transfer and material science
Source Patent Element
Fiber-based connection between sleeve and suture guard
PTD Variation
Implementing pressure-resistant sleeve configurations for underwater/hyperbaric environments
Obviousness Reasoning
Modifying material properties and geometric configurations to withstand pressure differentials represents a standard engineering problem with multiple known solution approaches
Source Patent Element
Delivery device with adjustable coupling mechanisms
PTD Variation
Creating portable, battery-powered delivery devices for disaster relief scenarios
Obviousness Reasoning
Adapting medical devices for portable, low-resource environments is a predictable engineering extension involving standard power management and miniaturization techniques
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857410 and the disclosed technical variations, a person having ordinary skill in the art would find the claimed prosthetic valve system adaptations to be obvious and lacking inventive step. The proposed modifications represent routine engineering solutions applying known techniques to predictably address specific environmental challenges in medical device deployment.

Original Patent Information

Patent NumberUS 11,857,410
TitleSuture guard for a prosthetic valve
Assignee(s)EDWARDS LIFESCIENCES CORPORATION