| 摘要 |
<p>The invention relates to a manual instrument used in medicine or dental medicine and comprising a rod-shaped tool holder. A receiver sleeve for a tool is rotatably positioned in the front end region of said tool holder. Said receiver sleeve is connected to a rotating drive having at least one rotatable element. In order to ensure that one such manual instrument operates quietly, the rotatable element comprises an automatic unbalance compensation device.</p> |
