SURGICAL HANDPIECE WITH A DRIVE SPINDLE HAVING A DISTAL BORE TO WHICH LOCKING ELEMENTS ARE MOUNTED AND AN ADJACENT PROXIMAL BORE DEFINED BY FACES SHAPED TO TRANSFER TORQUE TO THE ATTACHED CUTTING ACCESSORY
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United States of America Patent
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N/A
Issued Date -
Jul 21, 2016
app pub date -
Nov 20, 2015
filing date -
Nov 20, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical handpiece with a rotating spindle for receiving the coupling head of a cutting accessory. The spindle has a proximal bore with faces shaped to transfer torque to the cutting accessory. A distal bore extends forward from and the proximal bore to the distal end of the spindle. The distal bore is shaped so the outer perimeter of the bore is located radially outwardly from the proximal bore. One or more openings are formed in the spindle open into the distal bore. The openings are forward of the proximal end of the distal bore. A locking member is able to move in and out of each opening so as to move in and out of the distal bore. The locking members, when seated in the distal bore releasable hold the cutting accessory seated in the distal and proximal bores to the spindle.
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