Patent ID: 9730765
Date: 2017-08-15
CPC Classifications: A61C

Claim:
1. A medical or dental handpiece comprising: a handheld outer housing; a driveable hollow shaft shaped to receive a treatment tool, the driveable hollow shaft being arranged in the outer housing and driveable relative to the outer housing to move the treatment tool; a first coil for inductive coupling with a memory unit of the treatment tool comprising a second coil, the first coil comprising a conductive component; wherein the driveable hollow shaft which is driveable relative to the outer housing extends along a central axis and has an axial extent and radial extent, based on the central axis, and wherein the first coil is arranged beyond the axial extent of the driveable hollow shaft and wherein at least a part of the conductive component of the first coil is arranged within the radial extent of the driveable hollow shaft which is driveable relative to the outer housing.