renal puncture

例句：

1. 1. The patient underwent a renal biopsy to determine the cause of his kidney failure.
   患者接受了肾活检以确定其肾脏衰竭的原因。
2. 2. The procedure was performed under local anesthesia to minimize discomfort for the patient.
   该程序在局部麻醉下进行，以最小化患者的不适感。
3. 3. Renal biopsies are often used to screen for diseases that affect the kidneys.
   肾活检通常用于筛查影响肾脏的疾病。