| 摘要 |
PURPOSE: A medical laser hand piece is provided to generate proper laser energy according the situation. CONSTITUTION: A medical laser hand piece comprises: a body (100); an optical means (200); and an encoder (300). The body has a first outer container (110), and a second outer container. The optical means comprises a variable lens (211) and a fixing lens (213). The encoder is equipped on the first outer container, contacts the second outer container, and outputs electrical signal corresponding to the rotation of the second outer container. |
