Implant material properties and their role in micromotion and failure in total hip arthroplasty

Autor:	Bradley Jay Elliott, Tarun Goswami
Rok vydání:	2011
Předmět:	Orthodontics Materials science Mechanical Engineering Implant material Biomechanics Young's modulus Stress shielding Hip implant symbols.namesake Mechanics of Materials symbols General Materials Science Implant Elastic modulus Total hip arthroplasty Biomedical engineering
Zdroj:	International Journal of Mechanics and Materials in Design. 8:1-7
ISSN:	1573-8841 1569-1713
DOI:	10.1007/s10999-011-9172-4
Popis:	One of the most vital criteria for hip implant longevity is bony ingrowth that would anchor the implant to the bone. However, motion between the implant and surrounding bone (called micromotion) can hamper this, eventually leading to pain, loss of motion, damage to the bone, and eventual revision of the surgery. The objective of this research was to determine how mechanical properties; namely Young’s modulus, affects micromotion and failure in the surrounding bone. Mathematical models were used, along with finite element analysis, to determine if elastic modulus played a role in both micromotion and bone failure. However, by increasing the modulus of the implant, the bone becomes susceptible to stress shielding. Therefore, it is important to optimize implants for both stress shielding and micromotion.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::48a12c73cfb3ab17c390dfadb43e821f https://doi.org/10.1007/s10999-011-9172-4 Zobrazit plný text záznamu Full text from SpringerLink