A region exhibiting stripe wear lower half of the micrograph.
Stripe wear ceramic head.
The as manufactured articular surface note the sing le grain defect fig.
Ceramic bearings have the lowest wear rates of any bearing combination 0 5 to 2 5 µ per component per year ceramic on polyethylene bearings have varied ranging from 0 to 150 µ.
Has a unique complication of stripe wear occurring from lift off separation of the head gait.
The broken ceramic fragments and the ceramic head were sent to a research laboratory and were further analyzed.
Stripe wear scar has been highlighted with pencil lead.
Stripe wear has been reported in first second and third generation alumina bearings in which it has been associated with steep cup angles young patients and revision surgery 19 27.
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Ceramic on ceramic hip retrieved for squeaking.
The role of stripe wear in causing acoustic emissions from alumina ceramic on ceramic bearings.
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The femoral head demonstrated a characteristic stripe wear pattern and the overall volumetric wear rate was high 19 mm 3.
Metal transfer from the cup is also apparent.
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The aim of this in vitro study was to investigate whether different angles of inclination influence the wear pattern of alumina on alumina hip joints with micro separation during the swing phase.
Stresses developed during hip articulation with or without the occurrence of component impingement were determined from a global dynamic fe model of tha mechanics.
Stripe wear has been reported in many ceramic on ceramic hip replacement retrievals and microseparation separation of the femoral head from the acetabular cup has been proposed as one suggested.
Ceramic microseparation can lead to edge load ceramic head wear and squeaking.
The regions of wear showed a roughened surface with grain pullout.
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