نتایج جستجو برای: exposed orthopedic implants

تعداد نتایج: 231247  

Journal: :Journal of Physics: Conference Series 2016

Journal: :Coatings 2021

Ti and alloys have charming comprehensive properties (high specific strength, strong corrosion resistance, excellent biocompatibility) that make them the ideal choice in orthopedic dental applications, especially particular fabrication of implants. However, these present some shortcomings, specifically elastic modulus, wear, corrosion, biological performance. Beta-titanium (β-Ti) been studied a...

Journal: :Journal of investigational allergology & clinical immunology 2016
Z W Teo Wendy P C Schalock

The use of metals in the medical field has become increasingly prevalent over the past few decades. Patients find themselves being exposed to metals in a variety of ways, ranging from external exposure to instruments such as the stainless steel in surgical blades to internal exposure via medical devices being implanted in their bodies. There has been growing interest in the possibility of devel...

2016
Qun Wang Jian-Ying Huang Hua-Qiong Li Zhong Chen Allan Zi-Jian Zhao Yi Wang Ke-Qin Zhang Hong-Tao Sun Salem S Al-Deyab Yue-Kun Lai

Titania nanotube (TNT) arrays are recognized as promising materials for localized drug delivery implants because of their excellent properties and facile preparation process. This review highlights the concept of localized drug delivery systems based on TNTs, considering their outstanding biocompatibility in a series of ex vivo and in vivo studies. Considering the safety of TNT implants in the ...

2012
Hiroyuki Tsuchiya Toshiharu Shirai Hideji Nishida Hideki Murakami Tamon Kabata Norio Yamamoto Koji Watanabe Junsuke Nakase

BACKGROUND Postoperative infection associated with implants remains a serious complication in orthopedic surgery. Several biomaterial surface treatments have been proposed as a means of reducing the incidence of implant-associated infections. In this study, a clinical trial was performed using an iodine-supported titanium that suppresses the microbial activities. METHODS A total of 222 patien...

Journal: :Journal of biomedical materials research. Part A 2010
Sabine Ponader Cornelius von Wilmowsky Martin Widenmayer Rainer Lutz Peter Heinl Carolin Körner Robert F Singer Emeka Nkenke Friedrich W Neukam Karl A Schlegel

Highly porous titanium structures are widely used for maxillofacial and orthopedic surgery because of their excellent mechanical properties similar to those of human bone and their facilitation of bone ingrowth. In contrast to common methods, the generation of porous titaniumproducts by selective electron beam melting (SEBM), an additive manufacturing technology, overcomes difficulties concerni...

Journal: :Acta biomaterialia 2012
T J Webster A A Patel M N Rahaman B Sonny Bal

Silicon nitride (Si(3)N(4)) is an industrial ceramic used in spinal fusion and maxillofacial reconstruction. Maximizing bone formation and minimizing bacterial infection are desirable attributes in orthopedic implants designed to adhere to living bone. This study has compared these attributes of Si(3)N(4) implants with implants made from two other orthopedic biomaterials, i.e. poly(ether ether ...

2012
T. J. Webster A. A. Patel M. N. Rahaman B. Sonny Bal Sonny Bal

Silicon nitride (Si3N4) is an industrial ceramic used in spinal fusion and maxillofacial reconstruction. Maximizing bone formation and minimizing bacterial infection are desirable attributes in orthopedic implants designed to adhere to living bone. This study has compared these attributes of Si3N4 implants with implants made from two other orthopedic biomaterials, i.e. poly(ether ether ketone) ...

2011
Hangama C Fayaz Jesse B Jupiter Hans Christoph Pape R Malcolm Smith Peter V Giannoudis Christopher G Moran Christian Krettek Karl J Prommersberger Michael J Raschke Javad Parvizi

BACKGROUND With greater technological developments in the care of musculoskeletal patients, we are entering an era of rapid change in our understanding of the pathophysiology of traumatic injury; assessment and treatment of polytrauma and related disorders; and treatment outcomes. In developed countries, it is very likely that we will have algorithms for the approach to many musculoskeletal dis...

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