Advanced Suture Guard Systems for Enhanced Prosthetic Valve Implantation

Publication ID: 24-11857410_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Suture Guard Systems for Enhanced Prosthetic Valve Implantation,” Published Technical Disclosure No. 24-11857410_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857410_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. 11,857,410.

Summary of the Inventive Concept

The present inventive concept discloses novel improvements to prosthetic valve implantation systems, focusing on advanced suture guard designs that enhance precision, safety, and efficiency during valve deployment.

Background and Problem Solved

The original patent disclosed a suture guard for prosthetic valves, but it had limitations in terms of adjustability, stability, and visualization during implantation. The new inventive concept addresses these limitations by introducing dynamic adjustment mechanisms, integrated stabilizers, self-aligning mechanisms, and real-time feedback systems to improve the overall implantation process.

Detailed Description of the Inventive Concept

The advanced suture guard systems comprise a dynamic adjustment mechanism, allowing for real-time adjustments to the suture guard's position relative to the valve during implantation. This is achieved through a sensor that provides feedback on the suture guard's position and the valve's implantation status. Additionally, the systems feature integrated stabilizers to prevent valve damage, self-aligning mechanisms for precise valve placement, and force-sensing mechanisms to detect and prevent excessive force during implantation. Furthermore, the suture guards are made of flexible, shape-memory materials that conform to the valve's shape, providing additional structural support during implantation. The systems also incorporate coatings with antimicrobial properties to reduce the risk of infection.

Novelty and Inventive Step

The new inventive concept introduces a paradigm shift in prosthetic valve implantation by integrating advanced technologies, such as dynamic adjustment mechanisms, real-time feedback systems, and self-aligning mechanisms, which were not present in the original patent. These innovations provide a significant improvement in precision, safety, and efficiency during valve deployment.

Alternative Embodiments and Variations

Alternative embodiments of the advanced suture guard systems could include robotic-assisted implantation systems, visualization systems with augmented reality capabilities, or suture guards with adaptive materials that respond to changes in the implantation environment. These variations would further expand the scope of the inventive concept and provide additional opportunities for commercialization.

Potential Commercial Applications and Market

The advanced suture guard systems have significant commercial potential in the medical device industry, particularly in the field of prosthetic heart valves. The target market includes hospitals, cardiac centers, and medical research institutions, with potential for expansion into other areas of minimally invasive surgery.

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 Cardiovascular Prosthetic Implantation Technologies, involving advanced surgical intervention systems with a focus on prosthetic heart valve deployment mechanisms

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in medical device design, surgical intervention technologies, advanced materials, and prosthetic valve systems, holding advanced degrees in bioengineering or medical engineering with 5-7 years of practical experience in cardiovascular device development

Obviousness Rationale

A PHOSITA would recognize that the PTD's advanced suture guard variations represent predictable technological extensions of the source patent's fundamental suture guard design, utilizing known engineering techniques to incrementally improve valve implantation precision and safety through sensor integration, adaptive materials, and deployment mechanism refinements.

Obvious Combinations & Variations

Source Patent Element
Adjustable suture guard with threaded coupling mechanism
PTD Variation
Dynamic adjustment mechanism with integrated sensor for real-time position monitoring
Obviousness Reasoning
Adding sensor feedback to an existing adjustable mechanism represents a predictable application of known electronic monitoring technologies to improve device performance, which would be an obvious design optimization for a PHOSITA
Source Patent Element
Suture guard coupled to prosthetic valve
PTD Variation
Shape-memory material suture guard with antimicrobial coating
Obviousness Reasoning
Selecting advanced materials with enhanced functional properties is a standard design approach in medical device engineering, representing a routine materials science optimization that would be obvious to a skilled practitioner
Source Patent Element
Sleeve with adjustable coupling to suture guard
PTD Variation
Self-aligning mechanism with force-sensing capabilities during valve implantation
Obviousness Reasoning
Incorporating additional sensing and alignment features into an existing adjustable deployment mechanism represents a logical extension of known medical device design principles, aimed at improving procedural precision
Source Patent Element
Suture guard system for prosthetic valve
PTD Variation
Robotic-assisted implantation system with augmented reality visualization
Obviousness Reasoning
Integrating robotic guidance and visualization technologies into existing medical device deployment systems is a predictable technological progression that would be obvious to a PHOSITA seeking to enhance surgical precision
Source Patent Element
Fiber extending from sleeve to suture guard
PTD Variation
Dynamic suture management system preventing entanglement
Obviousness Reasoning
Developing advanced suture control mechanisms represents a natural engineering solution to known procedural challenges, utilizing predictable technological approaches to address specific medical intervention limitations
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857410 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations of prosthetic valve suture guard systems to be obvious and anticipated, as the disclosed innovations represent predictable technological extensions employing standard engineering methodologies to incrementally improve medical device deployment precision and safety.

Original Patent Information

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