A drill chuck has a chuck body having a forwardly open large-diameter threaded bore centered on an axis and a rearwardly open bore also centered on the axis and of small diameter. All of the pieces are preferably made of soft flexible materials. The releasing process is triggered by an electrically driven rotation. The invention also concerns with a process for preparation of the System and a method for treatingpreventing diseases, by administering to a subject in need thereof, the System of the invention.