Sacroiliac screw

An improved joint fusion screw for transiliac fixation has an elongate hollow shaft. The hollow shaft has an externally threaded end portion extending to a tip end and a non-externally threaded shank portion having openings. The tip end has at least two bone cutting flutes at the bottom of the shaft...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WHIPPLE DALE, TILLETT JASON HAYES
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An improved joint fusion screw for transiliac fixation has an elongate hollow shaft. The hollow shaft has an externally threaded end portion extending to a tip end and a non-externally threaded shank portion having openings. The tip end has at least two bone cutting flutes at the bottom of the shaft. Each bone cutting flute has a cutting edge on a circumferential exterior of the threaded tip to cut bone and direct the cut bone internally into the hollow shaft toward the shank.