Anti-contamination laser surgery device with built-in optical element

An anti-contamination laser surgery device with a built-in optical element, comprising:

• an inner cylinder;
• an outer cylinder;
• a first unit configured to enable the inner cylinder and the outer cylinder to be telescopic;
• a lens moving unit;
• a two-dimensional laser scanning unit;
• a real-time monitoring unit;
• and
• a second unit configured to perform unidirectional laminar flow ventilation;
• wherein a head end of the inner cylinder and a tail end of the outer cylinder are matched and connected by the first unit;
• the two-dimensional laser scanning unit and the real-time monitoring unit are arranged at the head end of the outer cylinder;
• the lens moving unit is driven by a driving motor, and is arranged in the inner cylinder and close to the head end of the inner cylinder;
• and
• the second unit is arranged close to a tail end of the inner cylinder;
• a head end of the outer cylinder is sealed;
• and the tail end of the inner cylinder is provided with a 45° reflector and a light outlet through hole.