ರಕ್ತರಹಿತ ಶಸ್ತ್ರಚಿಕಿತ್ಸೆಯನ್ನು _____________ ಮೂಲಕ ಮಾಡಲಾಗುತ್ತದೆ.

Laser surgery is called bloodless surgery because the laser beam cuts tissue and at the same time seals (cauterises) small blood vessels, so there is very little bleeding.