Medical Device using Bioabsorbable Material

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Solution Overview

Problem

Current medical devices for mitral valve repair and vascular closure lack effective solutions for minimizing foreign material presence, allowing future treatment options, and providing sufficient structural integrity for bioabsorbable materials, leading to limitations in mitral valve regurgitation treatment and vascular access site reuse.

Innovation Solution

The use of bioabsorbable materials with high tensile strength and suture retention capabilities for prosthetic mitral leaflet extensions, chordae replacements, and vascular closure devices, which are designed to provide structural integrity and be absorbed by the body, allowing for minimal invasive procedures and future treatment options.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If non-biodegradable material is used for vascular closure devices, then structural integrity is maintained, but the access site is permanently obstructed eliminating future re-intervention options

Engineering Contradiction:

Improvestructural integrityVSAvoidfuture treatment options

Core Design Contradiction:

StrengthVSAdaptability or versatility

Solution Approach 1:

The patent changes the material parameter from permanent (non-biodegradable) to temporary (bioabsorbable), allowing the device to provide structural integrity during the critical healing period and then naturally degrade to restore access site functionality for future interventions

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The vascular closure device is designed as a temporary implant that serves its purpose during the acute healing phase and then is naturally eliminated by the body, replacing permanent devices with a disposable-like approach that restores future access options

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

2Adaptability or versatility

If low structural integrity bioabsorbable material is used for vascular closure devices, then the access site is not permanently obstructed, but the lack of structural support makes it hazardous to reuse the access site for re-intervention

Engineering Contradiction:

Improveaccess site reuseVSAvoidstructural support

Core Design Contradiction:

Adaptability or versatilityVSStrength

Solution Approach 1:

The device provides dynamic structural support that is strong when needed during the acute phase and then gradually degrades as healing progresses, matching the temporal requirements of tissue regeneration and allowing progressive restoration of access site functionality

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The bioabsorbable device provides preemptive structural support and hemostasis during the vulnerable acute phase before tissue healing is complete, cushioning the patient from complications and enabling safe progression to future interventions

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

3Reliability

If traditional mitral valve replacement is performed, then valve function is restored, but significant amounts of foreign material are left in the body

Engineering Contradiction:

Improvevalve functionVSAvoidforeign material

Core Design Contradiction:

ReliabilityVSQuantity of substance

Solution Approach 1:

The patent changes the material permanence parameter from permanent (traditional prosthetics) to temporary (bioabsorbable), allowing the device to perform its valve function during the critical period and then be naturally absorbed, minimizing lifetime foreign material burden

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The bioabsorbable valve device performs its function and then self-eliminates through natural metabolic processes, with the body's own enzymatic systems degrading and absorbing the material, eliminating the need for surgical removal and reducing long-term foreign body presence

Inventive Principle:

Principle #25Self-service

4Reliability

If invasive mitral valve repair procedures are used, then valve repair is achieved, but the procedures are generally invasive with significant recovery time

Engineering Contradiction:

Improvevalve repairVSAvoidinvasiveness

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces complex mechanical surgical repair systems with a minimally invasive delivery system that deploys the bioabsorbable device through catheter-based or percutaneous approaches, substituting open surgery with less invasive mechanical delivery methods

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The device utilizes flexible, thin-film bioabsorbable structures that can be compressed into small delivery profiles and then expanded or deployed at the target site, enabling minimally invasive delivery of what would traditionally require open surgical access

Inventive Principle:

Principle #30Flexible shells and thin films

Data Source

PatentUS20240082000A1Medical Device using Bioabsorbable Material

Publication Date: 2024.03.14 XELTIS AG

AI summary

Bioabsorbable medical devices such as vascular closures, mitral chorea replacements, and mitral leaflet extensions are provided.