METHOD OF VIRTUAL SIMULATION OF RETROGRADE INTRARENAL SURGERY FOR TREATMENT OF UROLITHIASIS, USED IN TEACHING ENDOUROLOGICAL MANIPULATION SKILLS AND IN PLANNING SURGERY USING A FLEXIBLE URETEROSCOPE Russian patent published in 2023 - IPC G16H50/00 G09B9/00 

FIELD: medicine.

SUBSTANCE: invention is intended for planning and teaching retrograde intrarenal surgery to remove kidney stones with laser lithotripsy using virtual simulation. The following method is proposed: the data containing information about the study of the patient using 3D visualization is obtained, extracted and determined from these data by filtering the array of study data in the range of densities corresponding to the contents of the cavitary system of the kidney and stone, based on the data obtained, a 3D model is created of the patient's cavitary system and the 3D stone model and save them in the device's memory or cloud storage in a format applicable for storing 3D models of objects, transmit and use the 3D model of the patient's cavitary system of the kidney and stone created in the previous step for subsequent modeling of a training surgical operation, including launching a program on a PC with a graphical shell, into which a file with a cavitary 3D model of the kidney and a file with a 3D model of a stone are loaded, change the display of the site, simulating the movement of a virtual flexible ureteroscope inside the 3D model, starting from the upper third of the ureter, while simulating circular and rotational movements virtual probe of a flexible ureteroscope is carried out by means of a controller connected to a PC and including a handle with a lever and a sensor unit, one of which registers the angle of rotation of the handle around the longitudinal axis, and the other registers the angle of rotation of the lever, transmits the received data to the microcontroller, which converts them into an angle to which it is required to deflect the virtual probe in the graphical interface of the software, and then transfer it to the PC, and the translational movements are simulated using the buttons of a multi-button device, which also transmits the PC command to simulate laser lithotripsy and remove stones with a virtual basket.

EFFECT: invention provides a method of practicing manual skills of novice surgeons, as well as experienced surgeons, when planning operations using a flexible ureteroscope, without the need to use physical models due to the possibility of using the device with virtual models by means of a position sensor module that registers the magnitude of the change in the position of the moving units of the device, and is associated with it is a control module that transmits data from sensors to a PC.

10 cl, 1 dwg