Modular Orthopedic Implant Base Member with Adjustable Mounting
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Solution Overview
Problem
Current orthopedic implant systems lack true modularity, limiting surgeons' options for optimal fixation and bone ingrowth, especially in revision surgeries where bone defects and degeneration are common.
Innovation Solution
The development of modular orthopedic implants with base members such as acetabular shells and augments that can be adjustably positioned and securely locked, along with surface features that create friction and allow for bone ingrowth, addresses the limitations of existing systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If modular orthopedic implants with base members and adjustable mounting members are used, then adaptability and customization to individual patient anatomy are improved, but device complexity increases
Solution Approach 1:
The implant system is divided into separate modular components including a base member, adjustable mounting members, and bone ingrowth features. Each component can be independently positioned and secured to create customized configurations that adapt to individual patient anatomy while maintaining manageable complexity through standardized connection interfaces.
2Reliability
If additional mounting members and augments are added to address bone defects, then stability and fixation are improved, but device complexity and surgical complexity increase
Solution Approach 1:
The mounting members are designed to be adjustable and repositionable during surgery, allowing the surgeon to dynamically configure the implant system based on the specific bone defects and patient anatomy. This dynamic adjustability provides stable fixation while simplifying the surgical process by eliminating the need for multiple different implant components.
Solution Approach 2:
The base member and mounting members are designed as universal components that can be used across different implant types and surgical scenarios. The same modular components can address various bone defects and provide fixation for different implant configurations, reducing overall system complexity while maintaining high reliability.
3Reliability
If surface features are added to create friction and allow bone ingrowth, then bone integration is improved, but manufacturing precision requirements increase
Solution Approach 1:
The implant surface incorporates porous or textured features that promote bone ingrowth and integration. These surface modifications are designed to create friction and mechanical interlocking with surrounding bone, enhancing bone integration while using manufacturing techniques that maintain consistent surface characteristics across production batches.
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
This solution provides enhanced stability and bone integration by allowing for customizable implant configurations that adapt to individual patient anatomy, reducing the need for bone grafts and minimizing surgical complexity.
Implementation Method 1
surface features that create friction and allow for bone ingrowth
Implementation Method 2
allow for surrounding bone ingrowth at the interface of the implant and the patient's bone
Data Source
AI summary
Systems, devices, and methods are provided for orthopedic implants. The implants may include a base member, such as an acetabular shell or an augment, that is configured to couple with an augment, flange cup, mounting member, or any other suitable orthopedic attachment.