The blast during transurethral surgery is a rare but known complication of transurethral resection of prostate (TURP) or transurethral resection of bladder tumors. It may lead to bladder rupture. which can be either extra- or intra-peritoneal requiring urgent laparotomy. It occurs due to the generation and trapping of explosive gases under the dome of the bladder. https://allfixelectricales.shop/product-category/single-inlet-5-way-water-valve/