Periprosthetic Cortical Bone Remodeling In Patients With An Osseointegrated Leg Prosthesis
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A Comparative Finite-Element Analysis of Bone Failure and
Keywords Osseointegrated percutaneous implant, Direct bone attachment, Finite-element analysis, Trans-femoral amputation, Bone failure risk. INTRODUCTION Each year around 600 patients undergo transfe-moral amputation in the Netherlands, which gives an average of 3.7 amputations per 100,000 inhabitants.23
The development of a component to improve the loading safety
The development of a component to improve the loading safety of bone-anchored prostheses Shanthan Pather 2015. PhD Outline Page 5 of 8 Research, 2012. 30(8): p. 1304-1311.
WORKSHOP Osseointegrated Prosthetic Limbs: Recent
A reduction in the average prosthesis don and doff times of 91.4% and 70.8%, respectively, was observed at 5 weeks Two patients experienced device removals: one patient due to early loosening of the device at 5 weeks and the other due to a proximal periprosthetic fracture following significant trauma at 7 months.
Uncemented Total Hip Replacement Using Ha Coated Stem in
line formation. No case of cortical erosion or cyst formation reported. Reactive line formation began around the stem tip in Gruen zone 4 and visualized well at 6 months. Pedestal formation not seen in any of the patients. No prosthesis had significant subsidence (>2mm).No case of heterotopic bone formation seen. 12
Paper Session I: Femoral and Pelvic Injuries
periprosthetic cortical bone growth was observed in patients with a femoral osseointegrated leg prosthesis. No additional risk of periprosthetic fractures is to be expected with sufficient bone stock for future revision surgery when indicated.
Periprosthetic cortical bone remodeling in patients with an
Periprosthetic Cortical Bone Remodeling in Patients With an Osseointegrated Leg Prosthesis Lisanne Maria Haket,1 Johannes Paulus Maria Fr€olke, 2 Nico Verdonschot,3,4 Pawel Krzysztof Tomaszewski,3 Henk van de Meent1 1Department of Rehabilitation, Radboudumc University Medical Center, Rehabilitation 901, P.O. Box 9101, Nijmegen 6500 HB, The
Clinical and radiographic outcomes of total hip replacement
approaches. A trochanteric osteotomy was used in 5 patients to facilitate existing implant removal. Postoperatively, patients were initially weight bearing as tolerated with a walker. Implant The AcuMatch Modular stem (Exactech, Inc., Gainesville) is a 3-part modular, forged titanium alloy, cementless prosthesis designed for metaphyseal bone
Pre-clinical development of a new osseointegrated fixation
The adaptive bone remodeling simulations showed high bone resorption around distal parts of the OPRA and the ISP implants in the distal end of the femur ± zones 1 and 7 (on average - 42% ISP to -51% OPRA after 60 months) (Fig.4). The experimental measurements showed overall changes in cortical strains after insertion
Numerical analysis of an osseointegrated prosthesis fixation
a highly porous metal layer did not eliminate periprosthetic bone loss of hip implants (Gotze et al., 2006¨ ). The decreased bone quality and its subsequent strength, prior to the implantation, might make the issue of periprosthetic bone remodeling even more critical for direct-ﬁxation implants.