Stress shielding at the bone‐implant interface: Influence of surface roughness and of the bone‐implant contact ratio

ML Raffa, VH Nguyen, P Hernigou… - Journal of …, 2021 - Wiley Online Library
Short and long‐term stabilities of cementless implants are strongly determined by the
interfacial load transfer between implants and bone tissue. Stress‐shielding effects arise …

Mechanical micromodeling of stress-shielding at the bone-implant interphase under shear loading

Y Hériveaux, S Le Cann, M Fraulob, E Vennat… - Medical & Biological …, 2022 - Springer
Inserting a titanium implant in the bone tissue may modify its physiological loading and
therefore cause bone resorption, via a phenomenon called stress-shielding. The local stress …

Influence of the biomechanical environment on the femoral stem insertion and vibrational behavior: a 3-D finite element study

AS Poudrel, VH Nguyen, G Rosi, G Haiat - Biomechanics and Modeling in …, 2023 - Springer
The long-term success of cementless surgery strongly depends on the implant primary
stability. The femoral stem initial fixation relies on multiple geometrical and material factors …

Determinants of the primary stability of cementless acetabular cup implants: A 3D finite element study

K Immel, VH Nguyen, A Dubory… - Computers in Biology …, 2021 - Elsevier
Primary stability of cementless implants is crucial for the surgical success and long–term
stability. However, primary stability is difficult to quantify in vivo and the biomechanical …

Investigation of dynamic hip plate screw systems in different lengths with finite element analysis

J Mohammadzadehazarabadı - Heliyon, 2024 - cell.com
Objectives Dynamic systems aim to create an environment that encourages bone healing
while minimizing stress shielding, which is a phenomenon where the bone loses density …

Modeling the debonding process of osseointegrated implants due to coupled adhesion and friction

K Immel, VH Nguyen, G Haïat, RA Sauer - Biomechanics and Modeling in …, 2023 - Springer
Cementless implants have become widely used for total hip replacement surgery. The long-
term stability of these implants is achieved by bone growing around and into the rough …

Debonding of coin-shaped osseointegrated implants: Coupling of experimental and numerical approaches

Y Hériveaux, S Le Cann, K Immel, E Vennat… - Journal of the …, 2023 - Elsevier
While cementless implants are now widely used clinically, implant debonding still occur and
is difficult to anticipate. Assessing the biomechanical strength of the bone–implant interface …

A chemo-mechano-thermodynamical contact theory for adhesion, friction, and (de) bonding reactions

RA Sauer, TX Duong… - … and Mechanics of …, 2022 - journals.sagepub.com
This work presents a self-contained continuum formulation for coupled chemical,
mechanical, and thermal contact interactions. The formulation is very general and, hence …

Long‐term stability and debonding of cementless implants

K Immel, VH Nguyen, G Haiat, RA Sauer - PAMM, 2021 - Wiley Online Library
This work presents a three‐dimensional FE frictional contact formulation with NURBS‐
enriched contact elements for the debonding of partially osseointegrated, cementless …