| 摘要 |
<p>A hand held device comprising: a handle, said handle comprising a grip portion and a connection portion, said connection portion rotating with respect to said grip portion about a rotational axis, said connection portion forming a docking portion suitable for receiving an optional head unit, said docking portion being positioned opposite distally away from said grip portion, wherein the grip portion and the connection portion are connected by a rod, said rod comprising a distal end non-rotatably attached to the grip portion and a proximal end non-rotatably attached to the connection portion, wherein rotational axis forms a central longitudinal axis of said rod.</p> |
