80
Participants
Start Date
December 29, 2017
Primary Completion Date
June 16, 2018
Study Completion Date
January 16, 2019
ultrasound-CT fusion imaging
The patient undergoes lumbar nerve root block guided puncture needle placement under the guidance of ultrasound-CT fusion imaging
pure ultrasound guidance
The patient undergoes lumbar nerve root block guided puncture needle placement under the guidance of pure ultrasound guidance
Department of Ultrasound Diagnosis, Peking University Third Hospital, Beijing
Peking University Third Hospital
OTHER