Percutaneous T-tube cholangiography agent bolus injection device

Abstract

The invention provides a percutaneous T-tube cholangiography agent bolus injection device.The percutaneous T-tube cholangiography agent bolus injection device comprises patient side equipment and physician side equipment.The patient side equipment comprises an injector clamping groove, a bolus injection rod and a supporting table.The injector clamping groove is composed of a groove body, an injector jacket clamping groove, a jacket hemming clamping groove and a bolus injection rod clamping groove, wherein the injector jacket clamping groove, the jacket hemming clamping groove and the bolus injection rod clamping groove are formed in the groove body.The injector jacket clamping groove and the jacket hemming clamping groove are used for fixing an injector.The bolus injection rod is used for pushing and pulling the injector and comprises a rod body matched with the injector jacket clamping groove.The rod body is provided with a bolus injection rod boss for being matched with the bolus injection rod clamping groove.The tail end of the rod body is connected with a motor with a remote control receiving device.The supporting table comprises a bevel edge for containing the injector clamping groove.The physician side equipment comprises a remote controller matched with the remote control receiving device of the motor.The tele-medicine technology and the cholangiography technology are combined, and the percutaneous T-tube cholangiography agent bolus injection device is specially designed for cholangiography, can be remotely controlled and can achieve speed change and control.On one hand, a physician is protected against radiation injuries; on the other hand, the radiography speed can be controlled or changed, and postoperative complications of a patient are reduced.

Description

technical field [0001] The invention belongs to the technical field of medical equipment, and relates to a remote control injection pump, in particular to a T-tube biliary contrast medium injection device. Background technique [0002] Since the 1970s, cholangiography has been used as an auxiliary diagnosis and treatment technique for preoperative, intraoperative and postoperative biliary tract diseases, which has greatly improved the efficiency of diagnosis and treatment of biliary tract diseases. For a long time, X-ray examination has been an important examination method for biliary tract diseases, but some biliary tract diseases cannot be clearly visualized on ordinary X-ray films. At this time, cholangiography technology can solve the above problems. And channels into the biliary tract, so that the overall outline of the biliary tract and the lesion area can be clearly displayed on the X-ray film. [0003] Currently, the most commonly used clinical cholangiography metho...

AI Technical Summary

Problems solved by technology

However, these direct cholangiography methods require doctors to inject contrast agents directly into the patient’s biliary tract through different channels under X-ray fluoroscopy. Although there are protective measures such as lead clothing, the high-intensity workload is accompanied by high-intensity radiation exposure. It will still cause some iatrogenic radiation damage to doctors and threaten their health; Magnetic resonance cholangiopancreatography (MRCP) is a non-invasive magnetic resonance imaging technique that can display the bile-pancreatic duct system without contrast agents. It has been widely used clinically, but it is expensive, and it is not suitable for patients with metal stents, metal dentures, etc. that may interfere with the effect of magnetic resonance, and cannot perform therapeutic operations, so it cannot replace direct cholangiography

Medical teams at home and abroad try to design remote bolus injection equipment (such as Berke Ralph et al.) or use the existing remote bolus injection technology to replace doctors for cholangiography, but most of their structures do not meet the requirements of cholangiography. The equipment is designed horizontally without bubble return. The pumping action cannot simulate the actual cholangiography process well; the traditional contrast agent injection process mostly relies on the operator to "blindly push" by hand feeling, and the control of the speed is poor. Cause symptoms such as abdominal distension, abdominal pain, cholangitis, etc. When the pressure is too high, bile will also flow back into the blood, causing serious conditions such as fever, infection, and even sepsis

Images