Effect of proximal femoral bone support on the fixation of a press-fit noncemented total hip replacement femoral component

2012 ◽  
Vol 11 (1) ◽  
pp. 26-34
Author(s):  
Sophia N. Sangiorgio ◽  
Edward Ebramzadeh ◽  
Sean L. Borkowski ◽  
Daniel A. Oakes ◽  
Jeremy J. Reid ◽  
...  
Keyword(s):  
Femoral Component ◽  
Total Hip Replacement ◽  
Hip Replacement ◽  
Femoral Bone ◽  
Total Hip ◽  
Press Fit

scholarly journals Influence of Femoral Component Design on Proximal Femoral Bone Mass After Total Hip Replacement

2020 ◽  
Vol 103 (1) ◽  
pp. 74-83
Author(s):  
Pablo A. Slullitel ◽  
Mohit M. Mahatma ◽  
Mohsen Farzi ◽  
George Grammatopoulos ◽  
J. Mark Wilkinson ◽  
...  
Keyword(s):  
Bone Mass ◽  
Femoral Component ◽  
Total Hip Replacement ◽  
Hip Replacement ◽  
Femoral Bone ◽  
Total Hip ◽  
Component Design

Total Hip Replacement in Three Ponies - A Feasibility Study

1996 ◽  
Vol 09 (01) ◽  
pp. 4-9 ◽  
Author(s):  
K.R.E. Squire ◽  
J. P. Toombs ◽  
D.C. Sickle ◽  
W.E. Blevins ◽  
R.B. Clarke ◽  
...  
Keyword(s):  
Femoral Component ◽  
Total Hip Replacement ◽  
Feasibility Study ◽  
Acetabular Component ◽  
Hip Replacement ◽  
Research Model ◽  
Human Beings ◽  
Femoral Prosthesis ◽  
Total Hip ◽  
Press Fit

SummaryTotal hip replacement (THR) using two different human implant designs was performed in three ponies. Pony # 1 sustained a fracture of the ipsilateral femur and was euthanatized 40 hours after implantation of a human selfcentering hip. The same implant, with a modified femoral prosthesis, was used in pony # 2. It luxated initially at 26 hours, was surgically reduced after changing to a smaller diameter acetabular component, and reluxated at day 23 when the pony was euthanatized. A modified femoral component with a press-fit, screw-fixated acetabular prosthesis was inserted in pony # 3. This pony was maintained for 232 days and sustained over 400,000 cycles on the prosthesis by being exercised daily on a mechanical walker. We conclude that THR is feasible in ponies and small horses and would allow this size of animal to be used as a research model for hip replacement in heavy human beings.Total hip replacement (THR) was evaluated in three ponies as a model for studying THR problems in humans and for the management of coxofemo-ral disease in small Equidae. A modified cemented human femoral component, with a press-fit acetabular component, was maintained in one pony for 232 days, sustained over 400,000 cycles, and established the feasibility of THR in this species.

Structural and cellular characteristics of proximal femoral bone in patients for total HIP replacement

Bone ◽  
1992 ◽  
Vol 13 (5) ◽  
pp. A9-A9 ◽  
Author(s):  
L.D. Dorr ◽  
A.M. Mackel ◽  
M-C Faugere ◽  
T.A. Gruen ◽  
H.H. Malluche
Keyword(s):  
Total Hip Replacement ◽  
Hip Replacement ◽  
Femoral Bone ◽  
Total Hip

Wear Failure Analysis of UHMWPE Acetabular Cups in THR

2019 ◽  
Vol 957 ◽  
pp. 417-426
Author(s):  
Corneliu Nicolae Druga ◽  
Ileana Constanta Rosca ◽  
Radu Necula
Keyword(s):  
Femoral Component ◽  
Total Hip Replacement ◽  
Acetabular Component ◽  
Hip Replacement ◽  
Hip Prosthesis ◽  
Polyethylene Wear ◽  
Femoral Shaft ◽  
Hip Resurfacing ◽  
Total Hip ◽  
Joint Prostheses

The UHMWPE acetabular cups are the most popular joints for joint prostheses after Charnley introduced UHMWPE for the acetabular component in 1962. It has been demonstrated that polyethylene wear remains the main source of particles in the THR and therefore requires particular attention. The paper presents a series of theoretical and practical aspects regarding the wear of acetabular cups (made of UHMWPE) from the total hip prosthesis component. At the same time, the other tribological phenomena that occur in these MoP (metal on polyethylene) combinations are treated, such as lubrication and friction. Total Hip Replacement & Hip Resurfacing A hip replacement involves replacing the hip joint with a mechanical bearing system which is comprised of a femoral component and an acetabular component. During a hip replacement the acetabulum is reamed and the acetabular component is fitted into the cavity and the femoral component can either be placed over a reamed femoral head, in a procedure referred to as hip resurfacing, or positioned inside the femoral shaft during a total hip replacement [1]. Fig. 1. Total Hip Replacement (a) and Hip Resurfacing Replacement (b) [2].

Centralization of the Femoral Component in THR. Biomechanical Considerations and Method

1993 ◽  
Vol 3 (2) ◽  
pp. 33-38
Author(s):  
G. Krakovits ◽  
L. Sass
Keyword(s):  
Femoral Component ◽  
Total Hip Replacement ◽  
Hip Replacement ◽  
Femoral Canal ◽  
Internal Wall ◽  
Operative Method ◽  
Total Hip ◽  
Anatomical Axis

The correct implacement of the femoral component is decisive in the longevity of the total hip replacement (THR). The stem has to be placed along the anatomical axis of the femur and accomodated to the internal wall of the femoral canal to prevent tilting, subsidence, torsion movement and its clinical disadvantages. The author discusses the biomechanical consideration as well as the operative method.

Sign in / Sign up

Export Citation Format

Share Document