Implants, instruments and procedure for a unicompartmental knee replacement

Methods and apparatus for a tibial component of unicompartmental knee arthroplasty for creating a combination onlay/inlay pocket in an anterior area of a tibia. The pocket includes a cortical curved rim on one side and on the opposing side, an anterior "window" along the straight edge of a...

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Bibliographische Detailangaben
Hauptverfasser:	YOUNG DAYNA A, IANNARONE RONALD C
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DIAGNOSIS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SURGERY TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	Methods and apparatus for a tibial component of unicompartmental knee arthroplasty for creating a combination onlay/inlay pocket in an anterior area of a tibia. The pocket includes a cortical curved rim on one side and on the opposing side, an anterior "window" along the straight edge of a tibial spine. A cutting guide holds a cutter, which rotates and plunges back and forth to form the pocket in the tibia. The cutting guide is attached to a double tracks on the surface of a cam track cutting guide. The cutter cuts the tibia dictated by angles formed when the cutting guide rotates by moving along the double tracks of the cam track cutting guide. Once a pocket is formed, a combination onlay/inlay tibial implant is inserted into the pocket.