Biliary drainage tube based on radioactive particle therapy

Abstract

The invention discloses a biliary drainage tube based on radioactive particle therapy, which relates to the technical field of medical instruments, solves the problems that an existing biliary drainage tube is complex in treatment process, too long in period, large in patient pain and the like, and is characterized in that the biliary drainage tube comprises a main drainage tube and two pigtail tubes, and side holes are formed in the outer walls of the pigtail tubes in a penetrating mode; a bag cavity is formed in the wall of the drainage main pipe and extends in the axis direction of the drainage main pipe. A bag is arranged in the bag cavity, and radioactive particles I125 are placed in the bag; the bag is provided with at least one separation section in the axis direction of the drainage main pipe, each separation section is formed by bonding the symmetrical inner walls of the bag, and the interior of the bag is divided into a plurality of containing cavities through the separationsections. The drainage tube has the advantages that obstruction is removed through drainage in time, tumors are treated through internal radiation, the treatment process is easy to operate, the treatment period is shortened, the pain of a patient is relieved, and the treatment effect of a PTCD technology is improved.

Description

technical field [0001] The invention relates to the technical field of medical devices, more specifically, it relates to a biliary drainage tube based on radioactive particle therapy. Background technique [0002] Percutaneous transhepatic biliary drainage, or PTCD for short, is a technical means of placing a catheter in the biliary tract percutaneously and transhepatically under imaging technology. [0003] Currently, PTCD can drain bile through internal drainage and external drainage. For patients with malignant obstructive jaundice, the guide wire is not easy to pass through the stenosis during operation, and the simple external drainage method is more common. The distal end of the catheter with multiple side holes can achieve internal drainage through stenosis. This method is similar to physiological bile drainage. Compared with external drainage, bile loss is less, and it has less impact on intestinal function, so it is more respected. Internal drainage can also be ac...

AI Technical Summary

Problems solved by technology

[0004] However, in the process of biliary drainage, tumor growth is one of the common causes of pipeline blockage. The existing biliary drainage tube drainage can only relieve tumor blockage, but cannot fundamentally control the tumor; The way of radiotherapy not only complicates the treatment process, but also leads to a long treatment cycle, which brings great pain to the patients; in addition, during the implantation of I-seeds, the implantation position and implantation volume control of I-seeds are also important. A big problem with radiation therapy

Images