Bile duct puncturing needle

Abstract

The invention discloses a bile duct puncturing needle, comprising an injection part and a guiding part, wherein the injection part comprises a luer joint and a draft tube, the near end of the draft tube is connected with the luer joint, and the remote end of the draft tube is provided with a needle tube; the guiding part comprises a guide tube hollowly sheathed outside the draft tube, the near end of the guide tube is connected with a handheld guiding member, and the remote end of the guide tube can shield the remote end of the draft tube; the interior of the draft tube is provided with a guide wire in a penetrating way, the near end of the guide wire penetrates out of the guiding member, the remote end of the guide wire can penetrate out of the needle tube, wherein the guide tube and thedraft tube are flexible hoses, and the needle tube is a metal tube with a puncturing needlepoint. As the technical scheme is adopted, the direct puncture of the bile duct can be realized and the guide wire is placed in the bile duct, thus avoiding passing through the ampulla of the duodenum to cause pancreatitis.

Description

technical field [0001] The invention belongs to a medical device, in particular to a biliary tract puncture needle for duodenal endoscopic surgery, also known as a Gong-type needle. Background technique [0002] With the improvement of science and technology and the development of humanistic medicine, the concept of microtrauma is increasingly being applied clinically. How to use as little trauma as possible to achieve the doctor's treatment purpose has become a topic that is often involved. As far as the difficult point in the digestive system—pancreaticobiliary system disease is concerned, its minimally invasive technology is becoming more and more mature, and it has been involved in various aspects of diagnosis and treatment. [0003] Biliary tract or pancreatic duct system disease is a common clinical disease in our country, especially with the acceleration of the pace of life, this kind of disease has become more and more prominent. In the past, surgery was often used ...

AI Technical Summary

Problems solved by technology

[0010] The above-mentioned operation process is relatively common in clinical application at present, but one defect is that it often leads to the occurrence of pancreatitis complications

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