Surgical traction device for hepatobiliary surgery

Abstract

The invention belongs to the technical field of medical apparatus and instruments, and particularly relates to a surgical traction device for hepatobiliary surgery. The device comprises an annular support plate, wherein an annular containing cavity is formed in the annular support plate, a first opening portion and second opening portions are arranged on the upper end surface of the annular support plate, and the annular containing cavity is communicated with the first opening portion and the second opening portions; a first gear and second gears which are matched with each other in a transmission mode are arranged in the annular containing cavity, a plurality of uprights are arranged on the upper end surface of the first gear, the upper ends of the uprights extend out of the first opening portion, and first limit plates, adjusting bolts and second limit plates are arranged at the upper ends of the uprights; threaded rods are connected to the adjusting bolts through inner screw threads, one end of each threaded rod penetrates through each first limit plate, and a hook is arranged at one end of each threaded rod; the other ends of the threaded rods penetrate through the second limit plates, the upper ends of the second gears extend out of the second opening portions, and handles are arranged at the upper ends of the second gears. According to the surgical traction device, the hooks are fixedly arranged on the first gear, positions of the first gear and the hooks are adjusted through the second gears, fine adjustment is achieved, and the operating accuracy is improved.

Description

technical field [0001] The invention belongs to the technical field of medical instruments, and in particular relates to an operation pulling device for hepatobiliary surgery. Background technique [0002] The main work of the Department of Hepatobiliary Surgery is to study and treat major diseases that seriously threaten the health of the Chinese people, such as hepatocellular carcinoma, hepatolithiasis, post-hepatitic cirrhosis, and acute liver failure caused by severe hepatitis. Stones in the bile duct. In the common diseases of hepatobiliary surgery, it is usually necessary to operate on the relevant parts, and the cortex, ligaments, muscles and other tissues at the surgical incision need to be retracted to expose the surgical field. In this process, a hook device is needed. Without affecting the doctor's field of vision during the operation, the traditional hook device uses multiple hooks to pull the surgical incision outward from different directions. One end of the h...

AI Technical Summary

Problems solved by technology

The disadvantage of this structure is that the structure needs to be fixed on the operating table by a hook during use, or two hooks are used together to overlap each other for fixing, and there is still a technical problem that the traditional hook is not stable during the fixation process

[0004] Application publication number CN106037839A provides a hook device for hepatobiliary surgery, which includes a hook body, an annular ring, and a slideway. The hook body includes a hook, a pull rod, a fixing rod, and a screw. The fixing rod is a through-hole structure. The through hole in the fixed rod is spirally connected with a handle rod, the front end of the handle rod is hinged with a pull hook structure, the tail end of the handle rod is connected with a nut structure, and a screw structure is also installed on the fixed rod. The slideway is set in the annular ring, and the fixed rod is installed in the slideway of the annular ring through the screw structure; but the disadvantage of this structure is that the drag hook body needs to be manually rotated to determine the opening angle, but the accuracy and stability of manual operation The safety is not good, and the design of the retractor is easy to cause secondary damage to the surgical incision, thus affecting the postoperative recovery effect. In addition, the structure has never recorded the technical solution for the fixation of the hook device

Images