本发明涉及一种激光手持件1和一个可更换的光纤插入件10的激光手持件1包括光导35，其中所述光导被固定到Lichteinkopplungsstelle在主体21 35，并在其中一个应用程序元件10可更换地安装在基体21为激光。 主体21在夹持套筒3中可轴向移动地保持。 光导向件10是可被卷绕控制装置70，其用于此目的具有环形间隙73和相对的上壳体部74背面偏移下壳体75英里。 作为应用元件的可更换玻璃纤维插入件10,27设置有套筒80，其被设计为运输保护和安装工具。

The invention provides a laser hand piece 1 and a replaceable fiber-optic insert 10. The laser handpiece 1 comprises a light guide 35, wherein the light guide is fixed to a Lichteinkopplungsstelle in a main body 21 35, and in which an application element 10 is mounted replaceably on the base body 21 for laser light. The base body 21 is held axially displaceably in a sleeve-type grip. 3 The light guide 10 is a control device 70 can be wound, which for this purpose has an annular gap 73 and an opposite an upper housing part 74 back offset lower case 75 miles. A replaceable fiberglass insert 10, 27 as an application element is provided with a sleeve 80, which is designed as protection during transport and installation tool.