In liver surgery cases, based on patient data obtained from medical examinations such as CT, the color and transparent liver model printed by the WJP direct-injection color multi-material 3D printing technology of Saina can accurately represent the overall shape of the liver, the lesion site, and clearly reproduce the liver interior The morphology of blood vessels and the shape of lesions help to simulate the surgical process before surgery, determine the approach of liver resection, the scope of resection, and calculate the remaining liver volume, and finally optimize the surgical plan.
|Apply for a hospital||Southern Hospital||Patient condition||LGY, 56 years old, female|
|Condition description||Due to liver malignant tumors and cirrhosis, the liver is only 780CM3. Because liver function has serious defects, liver transplantation is currently the only effective treatment.|
|Surgery difficulties||Liver transplantation requires that the weight of the donor’s liver must be greater than or equal to 1% of the recipient’s body weight. Therefore, for such a precise operation, how big and what shape the donor liver is, how the two liver blood vessels and bile ducts are accurately anastomosed? The cutting method is very particular, cutting from the left or right side of the middle hepatic vein. The distance between the incision and the bifurcation of the blood vessel is very important to prevent the stenosis of the anastomosis, etc., which have extremely high requirements.|
|treatment plan||Preoperative planning was carried out according to the 3D printed donor and recipient liver three-dimensional models, the vasculature disconnection position, the donor cutting and separation method, etc. were specified, and the preoperative planning was strictly implemented during the operation, and the left liver of the donor was successfully transplanted to the recipient. body.|
|advantage||According to the patient’s preoperative data, the data is reconstructed in three dimensions, and the surgical method and incision position are discussed with Professor Yang, and printed out in a 1:1 "physical" form, so that the lesion area and nearby organs can be accurately assessed before the operation Organize the three-dimensional spatial relationship, so as to formulate a detailed surgical plan, determine the surgical plan, and finally the operation is very successful.|
According to the technical characteristics of Saina's 3D printer, it can print transparent liver parenchyma with partitions and green translucent occupancy, and the liver segment and surrounding blood vessels can be clearly observed.
The transparent and semi-transparent printing method clearly shows the extent of bile duct expansion in the liver, the truncation of the bile duct in the hepatic duct area, the position of the space occupied and the direction of the surrounding vascular system
The full-color and transparent printing method clearly shows the size, location, and surrounding blood vessels of the liver. It can be printed separately from intrahepatic cysts to help doctors distinguish different lesions in the liver.
The full-color and transparent printing method clearly shows the position of the huge right liver, surrounding blood vessels and other information.
Multi-nodular liver cancer, tumor thrombosis of the left portal branch. The full-color and transparent printing method clearly shows the size, location, and surrounding blood vessels of liver cancer.