Off-the-shelf 3D printed titanium cups in primary total hip arthroplasty.
Additive manufacturing
Beam melting
Highly porous
Socket
Trabecular
Ultraporous
Journal
World journal of orthopedics
ISSN: 2218-5836
Titre abrégé: World J Orthop
Pays: United States
ID NLM: 101576349
Informations de publication
Date de publication:
18 Jun 2021
18 Jun 2021
Historique:
received:
17
01
2021
revised:
02
04
2021
accepted:
22
05
2021
entrez:
30
6
2021
pubmed:
1
7
2021
medline:
1
7
2021
Statut:
epublish
Résumé
Three-dimensional (3D)-printed titanium cups used in primary total hip arthroplasty (THA) were developed to combine the benefits of a low elastic modulus with a highly porous surface. The aim was to improve local vascularization and bony ingrowth, and at the same time to reduce periprosthetic stress shielding. Additive manufacturing, starting with a titanium alloy powder, allows serial production of devices with large interconnected pores (trabecular titanium), overcoming the drawbacks of tantalum and conventional manufacturing techniques. To date, 3D-printed cups have achieved dependable clinical and radiological outcomes with results not inferior to conventional sockets and with good rates of osseointegration. No mechanical failures and no abnormal ion release and biocompatibility warnings have been reported. In this review, we focused on the manufacturing technique, cup features, clinical outcomes, open questions and future developments of off-the-shelf 3D-printed titanium shells in THA.
Identifiants
pubmed: 34189075
doi: 10.5312/wjo.v12.i6.376
pmc: PMC8223718
doi:
Types de publication
Journal Article
Review
Langues
eng
Pagination
376-385Informations de copyright
©The Author(s) 2021. Published by Baishideng Publishing Group Inc. All rights reserved.
Déclaration de conflit d'intérêts
Conflict-of-interest statement: The authors declare that they have no conflicts of interest.
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