Effects of Abdominal Cushion on PCNL in Prone Position
Conditions
Interventions
- DEVICE: Percutaneous Nephrolithotomy without an abdominal cushion
- DEVICE: Percutaneous Nephrolithotomy with an 5 cm abdominal cushion
- DEVICE: Percutaneous Nephrolithotomy with an 5 cm abdominal cushion
Sponsor
The First Affiliated Hospital of Guangzhou Medical University