Detachable Prosthesis Delivery Assembly for Sequential Tissue Repair

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Solution Overview

Problem

Existing methods for repairing tissue imperfections, such as rotator cuff tears, are complex and laborious, requiring numerous steps and suturing techniques that limit the number of surgeons capable of performing the operation.

Innovation Solution

A deployment device for prostheses that includes a driven assembly with a driven tube and pin, a driving assembly, and an energy storage system to facilitate controlled and sequential implantation of multiple prostheses using a driving force, reducing the complexity and time required for tissue repair.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional suture-based methods are used to repair tissue imperfections, then the repair can be performed with simple tools, but the procedure becomes complex and laborious requiring numerous steps and suturing techniques

Engineering Contradiction:

ImproveSimplicity of repair methodVSAvoidComplexity of repair procedure

Core Design Contradiction:

Ease of manufactureVSDevice complexity

Solution Approach 1:

The patent extracts the complex suturing steps from the traditional repair method and replaces them with a single prosthesis implantation action. The deployment device delivers the prosthesis directly to the tissue defect site, eliminating the need for multiple suturing operations and reducing procedural complexity while maintaining repair effectiveness.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The prosthesis acts as an intermediary element that bridges the tissue defect without requiring direct suturing of the tissue edges. The deployment device serves as another intermediary, facilitating precise prosthesis delivery to the target site and simplifying the overall repair process into a single integrated step.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Quantity of substance

If traditional suture-based repair methods are used, then fewer specialized components are needed, but the operational time increases due to numerous steps and techniques

Engineering Contradiction:

ImproveNumber of componentsVSAvoidOperational time

Core Design Contradiction:

Quantity of substanceVSLoss of time

Solution Approach 1:

The patent combines multiple separate repair steps (tissue preparation, suture placement, knot tying, etc.) into a single prosthesis implantation action. The deployment device integrates delivery, positioning, and deployment functions, reducing operational time while the prosthesis itself consolidates the repair function into one component rather than requiring multiple sutures.

Inventive Principle:

Principle #5Merging (Combining)

3Manufacturing precision

If complex suturing techniques are required for tissue repair, then precise tissue approximation can be achieved, but the pool of capable surgeons is limited

Engineering Contradiction:

ImproveTissue approximation precisionVSAvoidSurgeon capability requirement

Core Design Contradiction:

Manufacturing precisionVSEase of operation

Solution Approach 1:

The patent replaces the manual dexterity-intensive suturing mechanical system with a mechanically-assisted deployment system. The deployment device provides controlled prosthesis delivery and positioning, reducing the reliance on surgeon hand-eye coordination and suturing skill while maintaining precise tissue approximation through the prosthesis design.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The prosthesis is designed to self-deploy and self-position within the tissue defect once delivered by the deployment device. The expansion mechanism and anchoring features automatically engage with the surrounding tissue, reducing the need for complex manual manipulation and making the procedure more accessible to surgeons with varying levels of expertise.

Inventive Principle:

Principle #25Self-service

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Simplifies the repair process by allowing for precise and efficient implantation of prostheses, reducing the operational complexity and time, and expanding the pool of surgeons capable of performing the procedure.

Implementation Method 1

a driving assembly configured to drive the driven pin and the driven tube

Methodology Applied

Scientific EffectMechanical Force: Mechanical Force

Implementation Method 2

an energy storage system to facilitate controlled and sequential implantation of multiple prostheses using a driving force

Methodology Applied

Scientific EffectEnergy Storage: Mechanical Accumulator

Data Source

PatentUS20260033879A1Methods and Apparatus for Implanting Prostheses

Publication Date: 2026.02.05 JMEA CORP

AI summary

A deployment device for a tissue repair system includes a front delivery assembly that is detachable from a base assembly of the deployment device. The front delivery assembly includes at least one prosthesis and at least one driven assembly that actuates the at least one prosthesis. The base assembly includes a driving assembly that may engage the at least one driven assembly of the at least one prosthesis. The front delivery assembly can be rotated so that the position of a prosthesis in the front delivery assembly is moved in and out of alignment with the driving assembly. A kit of parts may be provided that includes a base assembly as well as two or more detachable front delivery assemblies.