Method Cooperative nursing interventions in UIO0plus laser lithotripsy for 57 patients with ureteral stones, such as pre-operative psychological nursing, cooperation during operation, and sterilization and maintenance of instruments, were retrospectively analyzed.

OBJECTIVE To evaluate the therapeutic effects of The frequency-doubled-double-pulse laser lithotripsy under ureteroscope for the lower ureter stones with renal colic in emergency.

Controlling pulse duration of two-pulse laser to enhance alignment of N_2 molecules;

Generating femtosecond double pulses using Dammann reflection gratings;