Research Article

[Retracted] Surgery and Postoperative Care of Patients Undergoing Percutaneous Nephrolithotomy under the Guidance of B-Ultrasound Based on Smart Internet of Things

Figure 4

Props used for percutaneous nephrolithotomy. (a) Uteroscope (used for microchannel Lithotripsy) (b) Percutaneous renal puncture kit.
(a)
(b)