Y-shaped nasal bile drainage tube with loop

Abstract

The invention provides a Y-shaped nasal bile drainage tube with a loop. The drainage tube is characterized by comprising a straight tube A, an elastic loop tube, a straight tube B, an L-shaped straight tube A, and an L-shaped straight tube B that are connected in sequence; a plurality of side holes are arranged in the tube walls of the L-shaped straight tube A and the L-shaped straight tube B, thetwo L-shaped straight tubes are V-shaped, the included angle is 45 degrees, and the outer diameter is 5Fr; and the outer diameter of the straight tube A, the elastic loop tube the straight pipe B is7Fr-9Fr. The drainage tube has the advantages of a good drainage effect, reduced probability of displacement outside a bile duct, and no intestinal fluid reflux.

Description

technical field [0001] The invention relates to a nasobiliary drainage tube, specifically a Y-shaped belt loop nasobiliary drainage tube. Background technique [0002] Duodenoscopy technique (ERCP) is an important technical method for the treatment of biliary system diseases at present. Compared with traditional open surgery, it has the advantages of less trauma, lower risk, and faster recovery. Endoscopic nasobiliary drainage is a routine technique in ERCP operation. It has the following functions: ① Treat obstructive jaundice, acute suppurative cholangitis, bile leakage and other diseases by draining bile; ② Indwelling nasobiliary duct after ERCP can Reduce the probability of postoperative acute pancreatitis and acute cholangitis; ③After ERCP, you can observe the properties of bile, understand the recovery of acute suppurative cholangitis, and judge whether there is delayed biliary bleeding; ④Rinse through the nasobiliary drainage tube and inject sensitive antibiotics Or ...

AI Technical Summary

Problems solved by technology

[0003] Clinically applied nasobiliary drainage tubes include single-pigtail nasobiliary drainage tubes and straight-headed nasobiliary drainage tubes, in which the head end of the single-pigtail nasobiliary drainage tube can occupy the dilated intrahepatic bile duct or extrahepatic bile duct to prevent nasobiliary duct migration. It is generally suitable for patients with intrahepatic or extrahepatic bile duct dilatation. If the drainage tube is displaced outside, the side hole at the head end of the drainage tube will enter the common bile duct, and intestinal fluid and gas can flow back into the common bile duct through the side hole of the drainage tube. , causing complications such as reflux cholangitis and drainage tube blockage; the straight nasobiliary duct has a duodenal loop, which conforms to the shape and angle change of the duodenum and common bile duct, so as to reduce the probability of prolapse of the nasobiliary duct. Dilation of both internal and external bile ducts is applicable, but in some patients with short extrahepatic bile ducts, the tip of the nasobiliary duct is easy to move to the deep part of the intrahepatic bile duct, causing the drainage tube to irritate the intrahepatic bile duct and cause pain, and the drainage effect is poor

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