Reverse Glenoid Implant Integration for Alignment and Fixation

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Solution Overview

Problem

Existing shoulder replacement systems face issues with glenosphere and baseplate misalignment, separation, and difficulty in achieving secure fixation due to limited visibility and access during surgical procedures, leading to bone loss and implant instability.

Innovation Solution

A glenoid implant design featuring a baseplate with a central screw and coupling member, along with a modular taper and peripheral screws, allowing for improved alignment and secure fixation through a surgical method that includes pre-assembly for streamlined implantation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional shoulder replacement systems are used with separate baseplate and glenosphere components, then the surgical procedure becomes complex with difficulty in alignment, but the patent seeks to simplify the procedure while maintaining secure fixation

Engineering Contradiction:

Improvesurgical procedure simplicityVSAvoidalignment difficulty

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The baseplate and glenosphere are combined into a single integrated component with a unified body. The glenosphere is formed as an integral part of the baseplate structure, eliminating the need for separate alignment and assembly steps during surgery. This integration directly resolves the contradiction by simplifying the surgical procedure while maintaining secure fixation through the unified design.

Inventive Principle:

Principle #5Merging (Combining)

2Reliability

If multiple separate components are used for glenoid implantation, then fixation security may be improved, but bone loss increases due to multiple drilling and implantation steps

Engineering Contradiction:

Improveimplant fixation securityVSAvoidbone loss

Core Design Contradiction:

ReliabilityVSLoss of substance

Solution Approach 1:

The baseplate and glenosphere are merged into a single component that is implanted as one unit. This eliminates multiple drilling operations and component assemblies, reducing bone loss while maintaining fixation security through the integrated design that provides stable anchoring in a single implantation step.

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If modular components are used for glenoid implant, then adaptability is improved, but initial fixation stability is compromised due to assembly difficulties

Engineering Contradiction:

Improvecomponent adaptabilityVSAvoidinitial fixation stability

Core Design Contradiction:

Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The baseplate and glenosphere are combined into a single monolithic component that provides immediate structural stability upon implantation. The integrated design eliminates assembly interfaces that could compromise initial fixation, while the overall implant design maintains adaptability through customizable positioning and orientation capabilities.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentUS20250312165A1Implants, systems and methods of using the same

Publication Date: 2025.10.09 DEPUY (IRELAND) LTD

AI summary

Implants, device, systems and methods for replacing an articulation surface in a joint, for example, a reverse glenoid implant with a baseplate, a central screw, a peripheral screw, a modular taper, and a post. Methods for implanting the glenoid implant are also disclosed.