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Publisher DOI: 10.1177/1553350613479177
Title: Influence of cooling on curing temperature distribution during cementing of modular cobalt-chromium and monoblock polyethylene acetabular cups
Language: English
Authors: Rothstock, Stephan 
Saadatmand, Mahnaz 
Vollmer, Matthias 
Paech, Andreas 
Jürgens, Christian 
Nassutt, Roman 
Morlock, Michael 
Keywords: acetabular replacement;cementing technique;curing temperature;thermal damage;Bone Cements;Chromium Alloys;Cold Temperature;Materials Testing;Polyethylene;Prosthesis Design;Hip Prosthesis
Issue Date: Dec-2013
Source: Surgical innovation 6 (20): 607-613 (2013-12)
Journal or Series Name: Surgical innovation 
Abstract (english): Total hip replacements for older patients are usually cemented to ensure high postoperative primary stability. Curing temperatures vary with implant material and cement thickness (30°C to 70°C), whereas limits for the initiation of thermal bone damage are reported at 45°C to 55°C. Thus, optimizing surgical treatment and the implant material are possible approaches to lower the temperature. The aim of this study was to investigate the influence of water cooling on the temperature magnitude at the acetabulum cement interface during curing of a modular cobalt-chromium cup and a monoblock polyethylene acetabular cup. The curing temperature was measured for SAWBONE and human acetabuli at the cement-bone interface using thermocouples. Peak temperature for the uncooled condition reached 70°C for both cup materials but was reduced to below 50°C in the cooled condition for the cobalt-chromium cup (P = .027). Cooling is an effective method to reduce curing temperature with metal implants, thereby avoiding the risk of thermal bone damage.
DOI: 10.15480/882.1546
ISSN: 1553-3506
Institute: Biomechanik M-3 
Type: (wissenschaftlicher) Artikel
Permission Note: Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich. This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.
License: In Copyright In Copyright
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