Arrangement for an instrument which comprises or is connected to a driving-in tool
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United States of America Patent
Stats
-
Apr 15, 2003
Grant Date -
N/A
app pub date -
Mar 19, 2001
filing date -
Sep 17, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An instrument is connected to a driving-in tool or drilling tool for elements on or in the form of an implant or drill for dentine. The tool includes an electric motor, the torque of which can be sensed, and which can be controlled by a control unit. A display unit is arranged so as to partly or fully display a curve representing the driving-in function performed. A tightening function is determined by a scale based on the slope of the curve, wherein a flatter slope represents a lower quality function and a steeper slope represents a higher quality function. A frictional resistance which exists for an element during the driving-in of the element can be determined in order to allow secure locking (preload) of the element by tension in the material of the element. A torque-time curve can be used assess the bone quality of bone being implanted or drilled.
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