Fracture of the Stem
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK In this clinic, within a period of 2 years and after more than 10…
Factors Affecting Wear of the UHMWPE Cup
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK It is remarkable that the material, ultra high molecular weight polyethylene (UHMWPE), not specifically…
Patterns of Failure and Revisions: Guidelines for Follow-Up
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK Consistency of materials, design and the surgical technique of the Charnley LFA and the…
Wear of UHMWPE Cup and Consequences
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK Charnley was probably the first to suggest that “late failure … may be expected…
Changing Patterns of Patients Presenting for the Operation
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK Charnley low-frictional torque arthroplasty (LFA) continues to be an evolutionary procedure. Changes in the…
The Concept of Total Hip Arthroplasty: The Beginning
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK “The only operation that ever could be universal would be an arthroplasty, because this…
Radiographic Assessment of the Osteoarthritic Hip
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK Detailed documentation forms an integral part of pre-operative assessment. Unfortunately this aspect is not…
Design of Components, Range of Movement. Impingement, Dislocation
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK There is little doubt that the dramatic occurrence of early post-operative dislocation undermines patient’s…
Position of the Stem Within the Medullary Canal
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK Position of the stem within the medullary canal in cemented total hip arthroplasties (THA)…
Wear of the UHMWPE Cup, Tissue Reaction to Wear Particles, Endosteal Cavitation and Component Loosening. Is the Problem Mechanical or Biological?
, Paul D. Siney1 and Patricia A. Fleming1 (1) The John Charnley Research Institute Wrightington Hospital, Wigan, Lancashire, UK The failure, if it does eventually supervene, is to be expected from one, or…
