2024年6月30日 · A ureterovesical junction (UVJ) obstruction is a blockage of the urinary tract at the junction where the ureter—the thin tube that drains urine from the kidney —joins the bladder. In most cases, UVJ obstruction is the result of a fetal defect that can be detected on a …

2025年3月3日 · Ureteropelvic junction (UPJ) obstruction or pelviureteric junction (PUJ) obstruction partially obstructs the passage of urine from the renal pelvis to the ureter. It is the most frequent cause of hydronephrosis in the fetus and can also present in adulthood.

What is a ureteropelvic junction obstruction? A ureteropelvic junction obstruction (UPJO) is a blockage of urine flow from the renal pelvis to the ureter. The renal pelvis is the part of the kidney that collects the urine made by the kidney and the ureter is the tube that carries the urine from the renal pelvis to the bladder (see figure 1).

Ureteropelvic Junction (UPJ) obstruction occurs when the area that connects the kidneys (renal pelvis) to the ureters (tubes that carry urine from the kidney to the bladder) is blocked. As a result, urine cannot flow to the bladder properly.

The ureteropelvic junction (UPJ) is the area where the upper end of the ureter meets the renal pelvis (the part of the kidney that funnels urine into the ureter). This is the second most common area for stones to get stuck and cause symptoms because it is …

What Is UPJ Obstruction? Ureteropelvic junction (UPJ) obstruction is a partial or total blockage at the place where the organ that produces urine (the kidney) and the tube that carries it to the bladder (the ureter) are joined.

Ureteropelvic Junction (UPJ) obstruction is a blockage at the junction where the ureter attaches to the kidney. This causes a decreased flow of urine through the ureter and an increase in fluid pressure inside the kidney. UPJ obstruction may be diagnosed before birth …

Ureteropelvic junction (UPJ) obstruction refers to the blockage of normal urine from the kidney to the bladder. UPJ obstruction occurs at the point where the kidney joins the ureter. Ureters are small tubes (less than 5 mm in diameter) that connect the kidney to the bladder.

2023年11月3日 · UVP（Under Voltage Protection）欠压保护★★★ ATX规范中没有规定它，但是在宽幅电源中是不可或缺的，否则无法起到保护作用，尤其是电压波动大的地方。

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