Abstract: A turbine engine device comprising a turbine engine blade including a cooling channel extending on the interior of the blade, the cooling channel having at least one turn of greater than forty-five degrees, the cooling channel turn demarcated by a cooling channel wall having a curvature operative to redirect fluid flowing therein, the cooling channel wall including a dust opening leading into a dust hole demarcated by a dust wall having a longitudinal axis that is coaxial with a tangent line taken along the curvature of the cooling channel wall.