Fenestrated Bone Implant Stabilization via Porous PEEK
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Solution Overview
Problem
Current implant technologies face challenges in effectively stabilizing mammalian bony segments, particularly in providing adequate stabilization and promoting bone growth between segments while allowing for anatomical flexibility and easy insertion.
Innovation Solution
The development of fenestrated implants with a unique design featuring a large central fenestration, periodic porous openings, and radio opaque markers, made from biocompatible materials like PEEK and titanium, which encourage bone growth and provide anatomical adaptability through sloped surfaces and threaded tool interfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional solid implants are used to stabilize bony segments, then structural strength is provided, but bone growth and integration are hindered
Solution Approach 1:
The implant incorporates a porous structure with interconnected pores that allow bone ingrowth while maintaining structural strength. The porous framework provides mechanical support necessary for stabilization while creating channels for bone cells to migrate and integrate with the implant, resolving the contradiction between strength and bone integration.
Solution Approach 2:
The implant utilizes composite material construction combining different phases or materials - a solid load-bearing framework with porous bone-contacting surfaces. This composite approach allows the dense structural regions to provide strength while the porous regions facilitate bone growth, simultaneously satisfying both requirements.
2Reliability
If implants with complex stabilization features are designed, then stabilization effectiveness is improved, but insertion difficulty increases
Solution Approach 1:
The implant is divided into functional segments - a simplified insertion end for easy delivery, and a stabilized body with stabilization features that engage after insertion. This segmentation allows the complex stabilization features to be deployed only when needed, maintaining insertion ease while achieving effective stabilization.
Solution Approach 2:
The implant is pre-configured with expansion or deployment mechanisms that activate after insertion. The simple insertion form factor is maintained during delivery, then stabilization features are deployed in-situ to provide complex stabilization without requiring complex insertion procedures.
3Reliability
If fenestrated implant structures are created to promote bone growth, then bone integration is enhanced, but structural strength is reduced
Solution Approach 1:
The implant features localized fenestrations and porosity specifically in regions where bone contact and integration are needed, while maintaining solid, dense structures in load-bearing regions. This local differentiation allows bone growth promotion at the bone-implant interface without compromising the overall structural strength of the implant.
Data Source
AI summary
Embodiments of bony region stabilization implants including multiple fenestrations and bony ingrowth materials are described generally herein. Other embodiments may be described and claimed.