Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1993-08-09
1995-05-09
Willse, David H.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 18, A61F 238, A61F 230
Patent
active
054136067
ABSTRACT:
An intraoperative method is provided for the restoration of the bearing surface smoothness of an otherwise well-fixed and well-aligned femoral knee component. This method is an alternative, in appropriate circumstances, to total component replacement. Polishing and buffing techniques are disclosed which substantially reduce the depth and areal extent of scratches and abrasions resulting from metal to metal contact, particularly between a worn, metal-backed patellar component and a femoral component, as well as abrasions resulting from migration of debris that imbeds itself in plastic bearing surfaces prior to surgical reintervention, primarily in the distal condyle areas. Debris generated by the polishing process, along with saline solution, or the like, washes used to flush the debris are isolated from the surgical field by a specially designed draping system.
REFERENCES:
Convention Highlights, American Academy of Orthopaedic Surgeons 60th Annual Meeting, vol. 12: Feb. 1993, Published by Academy Professional Information Services, Inc., San Francisco, Calif. "Laser and SEM-Polished Femoral Components `Like New`" pp. 7 and 8.
Fisk Albert W.
Fisk Thomas S.
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