Temporary Protective Shoulder Implants for Revision Surgery with Bone Glenoid Grafting

This article describes the development of a temporary protective glenoid prosthesis placed between the augmentation and humeral head prosthesis during the healing phase of shoulder prosthesis revision with necessary reconstruction of the bony structure of the glenoid. The glenoid protection prosthes...

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Main Authors: Daniel Schaffarzick, Karl Entacher, Dietmar Rafolt, Peter Schuller-Götzburg
Format: Article
Language:English
Published: MDPI AG 2022-09-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/15/18/6457
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author Daniel Schaffarzick
Karl Entacher
Dietmar Rafolt
Peter Schuller-Götzburg
author_facet Daniel Schaffarzick
Karl Entacher
Dietmar Rafolt
Peter Schuller-Götzburg
author_sort Daniel Schaffarzick
collection DOAJ
description This article describes the development of a temporary protective glenoid prosthesis placed between the augmentation and humeral head prosthesis during the healing phase of shoulder prosthesis revision with necessary reconstruction of the bony structure of the glenoid. The glenoid protection prosthesis ensures the fixation of the augmentation material and protects the screws from contact with the metallic humeral head prosthesis. Another approach of the development is a reduction of the resorption of the augmentation by targeted mechanical stimulation of the tissue. The aim should be to achieve significantly improved conditions for the implantation of a new glenoid component at the end of the healing phase of the augmentation material in comparison to the current standard method. The development of the protective prosthesis was carried out according to specific needs and includes the collection of requirements and boundary conditions, the design and technical detailing of the implant, the verification of the development results as well as the validation of the design. For the verification, FEM simulations (Finite Element Analysis) were performed to estimate the mechanical stability in advance. Mechanical tests to confirm the stability and abrasion behavior have been carried out and confirm the suitability of the protective implant. The result of the present work is the detailed technical design of two variants of a glenoid protective prosthesis “GlenoProtect” for use in revision procedures on shoulder joints—with large-volume defects on the glenoid—treated by arthroplasty and the necessity of augmenting the glenoid, including a description of the surgical procedure for implantation.
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spelling doaj.art-08ca7df0b7d14be4ba750e0a3ebe25d22023-11-23T17:33:55ZengMDPI AGMaterials1996-19442022-09-011518645710.3390/ma15186457Temporary Protective Shoulder Implants for Revision Surgery with Bone Glenoid GraftingDaniel Schaffarzick0Karl Entacher1Dietmar Rafolt2Peter Schuller-Götzburg3ECS Schaffarzick—Engineering/Consulting/Service, Sankt-Peter-Straße 15/2, A-5061 Elsbethen, AustriaDepartment of Information Technology and Systems Management, Salzburg University of Applied Science, Urstein Süd 1, A-5412 Puch, AustriaCenter for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna General Hospital, Währinger Gürtel 18-20, A-1090 Wien, AustriaDepartment of Prosthetic Dentistry, University Dental Clinic Vienna, Sensengasse 2a, A-1090 Vienna, AustriaThis article describes the development of a temporary protective glenoid prosthesis placed between the augmentation and humeral head prosthesis during the healing phase of shoulder prosthesis revision with necessary reconstruction of the bony structure of the glenoid. The glenoid protection prosthesis ensures the fixation of the augmentation material and protects the screws from contact with the metallic humeral head prosthesis. Another approach of the development is a reduction of the resorption of the augmentation by targeted mechanical stimulation of the tissue. The aim should be to achieve significantly improved conditions for the implantation of a new glenoid component at the end of the healing phase of the augmentation material in comparison to the current standard method. The development of the protective prosthesis was carried out according to specific needs and includes the collection of requirements and boundary conditions, the design and technical detailing of the implant, the verification of the development results as well as the validation of the design. For the verification, FEM simulations (Finite Element Analysis) were performed to estimate the mechanical stability in advance. Mechanical tests to confirm the stability and abrasion behavior have been carried out and confirm the suitability of the protective implant. The result of the present work is the detailed technical design of two variants of a glenoid protective prosthesis “GlenoProtect” for use in revision procedures on shoulder joints—with large-volume defects on the glenoid—treated by arthroplasty and the necessity of augmenting the glenoid, including a description of the surgical procedure for implantation.https://www.mdpi.com/1996-1944/15/18/6457glenoid implantimplant developmentfinite element analysis3D modellingabrasion testglenoid defect
spellingShingle Daniel Schaffarzick
Karl Entacher
Dietmar Rafolt
Peter Schuller-Götzburg
Temporary Protective Shoulder Implants for Revision Surgery with Bone Glenoid Grafting
Materials
glenoid implant
implant development
finite element analysis
3D modelling
abrasion test
glenoid defect
title Temporary Protective Shoulder Implants for Revision Surgery with Bone Glenoid Grafting
title_full Temporary Protective Shoulder Implants for Revision Surgery with Bone Glenoid Grafting
title_fullStr Temporary Protective Shoulder Implants for Revision Surgery with Bone Glenoid Grafting
title_full_unstemmed Temporary Protective Shoulder Implants for Revision Surgery with Bone Glenoid Grafting
title_short Temporary Protective Shoulder Implants for Revision Surgery with Bone Glenoid Grafting
title_sort temporary protective shoulder implants for revision surgery with bone glenoid grafting
topic glenoid implant
implant development
finite element analysis
3D modelling
abrasion test
glenoid defect
url https://www.mdpi.com/1996-1944/15/18/6457
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AT karlentacher temporaryprotectiveshoulderimplantsforrevisionsurgerywithboneglenoidgrafting
AT dietmarrafolt temporaryprotectiveshoulderimplantsforrevisionsurgerywithboneglenoidgrafting
AT peterschullergotzburg temporaryprotectiveshoulderimplantsforrevisionsurgerywithboneglenoidgrafting