Exact(1)
Pooled survivorship estimates were also compared with each type of insert (unconstrained fixed bearing, unconstrained mobile bearing, PS fixed bearing, PS mobile bearing, constrained condylar and all-polyethylene tibia) with cement fixation.
Similar(58)
It also shows that the bearing vibration frequencies are generated by the waviness interaction not only between the rolling elements of one ball bearing, but also between those of two or more ball bearings constrained by the rotor.
These differences were significant during mid-term follow-up intervals (four, five and six years) when compared with unconstrained mobile bearing, PS mobile bearing, and constrained condylar bearing types.
Survivorship for the subject system was significantly greater than that reported for unconstrained mobile bearing, PS mobile bearing, and constrained condylar bearing types at mid-term follow-up intervals (four, five and six years).
It was not merely Shepard's martial bearing that constrained Hale.
This indicated that the shear force simulation model was able to differentiate between tribological behaviours when the femoral and tibial bearing was constrained to slide or/and roll.
We excluded hinged prostheses (n = 22) and prostheses with posterior cruciate ligament sacrificing design (except for the LCS mobile bearing) or constrained condylar design (n = 780).
In this system, the isolated object is suspended by several bearing cables and constrained by a number of uniformly distributed pretensioned cables in the horizontal plane, where the low dynamic stiffness of the system is main controlled by the pretension of the planar cables, whilst the high static stiffness is determined by the axial stiffness of the planar cables and their geometric settings.
Total ankle arthroplasty has followed two major design concepts: Mobile-bearing and constrained.
Let us model the stress fibers in individual cells as a mixture of coexisting, load-bearing fibers constrained to deform together as the cell deforms [13].
The rotations and displacements during the activities were similar to those of moderate-to-high constrained fixed bearing knees.
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