| 摘要 |
Handle of root canal instrument used manually in dentistry, of the type comprising means for preventing the said instruments from dropping into the airways or digestive tracts of the patient, characterised in that it comprises, in combination, at least one radial hole 5 which opens out on each side of the said handle, and at least one groove 4, of which one plane of symmetry is perpendicular to the axis of the handle. Application: root canal instruments with safety means (parachute). <IMAGE> |
