With the rapid development of artificial intelligence, robot-assisted surgery is developing rapidly in the field of surgery. The orthopedic surgery navigation system, also known as the orthopedic surgical robot, is designed to use the patient’s preoperative/intraoperative imaging data to plan the surgical path, and guide the doctor to complete the planned surgical path through the guiding function of the robotic arm. Operation. Assist surgeons to simplify and routineize difficult operations. With the assistance of orthopedic surgery navigation system, surgeons have a larger operating space and more accurate anatomical levels, providing guarantee for difficult operations in small spaces.
What are the benefits of orthopedic surgery navigation system-assisted surgery for patients?
First of all, what needs to be clarified is robotic surgery. The robot still performs auxiliary operations during the operation. The three-dimensional data of the bone structure is obtained based on the three-dimensional C-arm image scanning before the operation. The robot system uses the surgical planning software to guide the doctor to perform visual pre-operative planning. (Screw track planning, nail entry angle), selection of appropriate screw specifications and sizes, auxiliary evaluation and timely adjustment of surgical path planning and design, the entire operation is performed under the control of the chief surgeon. The orthopedic surgery navigation system is not only reliable, but also improves the safety of the surgery, the accuracy of the robotic arm, force sensing recognition, real-time dynamic tracking and other protection technologies, increasing the accuracy and safety of the surgery.
In addition, the use of orthopedic surgery navigation system to assist surgery will reduce the radiation exposure of doctors and patients. In order to determine the position of the implant, the conventional surgeon must rely on a large number of intraoperative perspectives to ensure the accurate implantation of the implant. However, the orthopedic surgery navigation system usually only needs to perform three perspectives before, during and after the operation, which effectively reduces the radiation damage of doctors and patients.
Orthopedic Surgery Navigation System
The premise of orthopedic surgery navigation system to realize the positioning of surgical tools is to let the robot know the spatial position of the surgical path. This process is called robot registration. Registration refers to the alignment of different images of the same object in spatial position. That is to calculate the mapping relationship between the robot workspace and the patient space.
In order to ensure safe and accurate surgery, the registration error of the orthopedic surgery navigation system is required to be within 0.5 mm. High-precision robot registration involves the structure of the scale (ie, the calibration target) and the design of spatial positioning algorithms. It is necessary to overcome problems such as patient movement during surgery, machining errors, and sensor accuracy drift.
Currently, when performing orthopedic surgery, for example, an orthopedic surgical navigation system is used to assist in vertebroplasty. In order to ensure that the position of the surgical robot matches the position of the patient’s vertebral body, registration is required, while the traditional registration method requires the use of third-party instruments for registration. In the registration stage, the registration needs to be completed by manually installing the ruler Registration, see the figure below. On the one hand, this operation is cumbersome, on the other hand, the registration accuracy is closely related to the image quality, and poor image quality will affect the registration accuracy.
The registration technology of the orthopedic surgery navigation system of Puai Medical adopts the integrated self-adaptive registration technology. Generally speaking, our ruler (ie, the calibration target) is installed on the C-arm. The track and the preset track are tracked and matched, and the registration and registration steps are automatically completed without being limited by image quality.
Perlove medical orthopedic surgery robot is equipped with a flat-panel three-dimensional C-arm independently developed and produced. With the help of integrated self-adaptive registration technology, automatic registration and registration are realized, and three coordinates of the optical positioner, patient and image are automatically established. Registration The process requires no human intervention, and the accuracy is not affected by the image quality. Then, through the operation of high-degree-of-freedom and high-stability robotic arm, the path is completed, and the degree of completion and important mechanical parameters are evaluated in real time during the operation, so as to realize the accuracy and rationalization of orthopedic surgery, improve the success rate of surgery, reduce the incidence of complications and reduce the risk of complications. X-ray radiation.
Many people may have such questions. Why use a robot? Many doctors can do a good job without robots! However, for the same operation, different doctors may have different experiences and techniques. For experienced senior doctors, after years of practice and experience, they can perform beautiful surgery without robots, but for young and less experienced doctors, by using the orthopedic surgery navigation system to assist, Standardizing the key steps in the surgical process enables young doctors to achieve a higher level of surgical results and reduce uncertain risks caused by inexperience. All in all, the surgical robot is a more advanced tool, which liberates the eyes and hands of the doctor, making it easier for the doctor to perform surgery
