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Temporary Protective Shoulder Implants for Revision Surgery with Bone Glenoid Grafting
Daniel Schaffarzick1, Karl Entacher2, Dietmar Rafolt3
1ECS Schaffarzick-Engineering/Consulting/Service, Sankt-Peter-Straße 15/2, A-5061 Elsbethen, Austria.
Materials (Basel, Switzerland)
|September 23, 2022
Summary
A novel glenoid protective prosthesis, "GlenoProtect," was developed to aid shoulder revision surgery. This implant facilitates healing and improves conditions for future glenoid component implantation.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
- Materials science
Background:
- Shoulder revision arthroplasty often requires glenoid reconstruction due to bone defects.
- Current methods may lead to augmentation resorption and suboptimal conditions for subsequent component implantation.
Purpose of the Study:
- To develop a temporary protective glenoid prosthesis for shoulder revision surgery.
- To enhance healing and reduce augmentation resorption.
- To improve outcomes for future glenoid component implantation.
Main Methods:
- Design and technical detailing of the "GlenoProtect" prosthesis.
- Finite Element Analysis (FEM) simulations for mechanical stability verification.
- Mechanical testing for stability and abrasion behavior confirmation.
Main Results:
- Successful development of two "GlenoProtect" prosthesis variants.
- FEM simulations confirmed mechanical stability.
- Mechanical tests validated implant suitability for stability and abrasion resistance.
Conclusions:
- The "GlenoProtect" prosthesis provides a viable solution for shoulder revision with glenoid defects.
- It ensures augmentation fixation, protects components, and potentially reduces resorption.
- The prosthesis offers improved conditions for secondary glenoid component implantation.
