Pin drive rotary surgical cutting tools and powered handpieces

Pin drive rotary surgical cutting tools and powered handpieces

A surgical cutting tool (22) includes an elongated shaft (30) and a cutting head (38). The shaft defines a coupling portion (36) terminating at a proximal end (62) of the shaft, a stem portion (34), and a distal portion (32). The stem portion defines a central axis A. The coupling portion optionally...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Cihak, Paul, Heiliger, Zachary
Format: Patent
Sprache:eng
Schlagworte:
BORING
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MACHINE TOOLS
MEDICAL OR VETERINARY SCIENCE
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SURGERY
TRANSPORTING
TURNING
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Beschreibung
Zusammenfassung:A surgical cutting tool (22) includes an elongated shaft (30) and a cutting head (38). The shaft defines a coupling portion (36) terminating at a proximal end (62) of the shaft, a stem portion (34), and a distal portion (32). The stem portion defines a central axis A. The coupling portion optionally defines a deflection surface (72a, 72b) positioned oblique with respect to the central axis and connected with a first driven surface (76a) and a second driven surface (74a). Upon insertion into a drive chuck (40) with drive pins (44a, 44b), the deflection surface promotes self-alignment of the cutting tool and the drive chuck.