Puncture operation navigation method based on motion capture and mixed reality technologies

Abstract

The invention discloses a puncture operation navigation method based on motion capture and mixed reality technologies. According to the key points of the technical scheme, the puncture operation navigation method based on the motion capture and mixed reality technologies comprises the following steps that S1, a marker ball is pasted to the skin around the position, needing to be punctured, of a patient; S2, space position coordinates of the marker ball are captured through a Qualisys optical motion capturing system; S3, the patient and the marker ball are subjected to CT or MRI taking; S4, theball and an operation part are modeled through Unity; S5, a model is led into augmented reality equipment; S6, space position coordinates of a puncture needle with the marker ball are captured by theQualisys optical motion capturing system in the operation process and fed back to the augmented reality equipment; and S7, a doctor moves the puncture needle with the marker ball, and after a puncture path is planned, the position of the puncture needle relative to the kidney is displayed in real time in AR eyeglasses. According to the puncture operation navigation method, the puncture needle canbe tracked and positioned in real time, and three-dimensional information of a kidney model is displayed.

Description

technical field [0001] The invention relates to the field of surgical navigation, in particular to a puncture surgical navigation method based on motion capture and mixed reality technology. Background technique [0002] Percutaneous nephrooperation (PNO) sprouted in the early 1940s, and was actually applied clinically in the early 1950s. It consists of three parts: [0003] 1. Percutaneous nephrostomy (precutaneous nephrostomy.PCN) was initiated by Goodwin. In 1995, Goodwin used Trocar technology for the first time to do the preliminary work of PCN. [0004] 2. Percutaneous nephrolithtomy (PNL), the new method is also called percutaneous nephroscope lithoipsy (PNCL), its development process can be roughly divided into X-ray fluorescence stone removal technology, There are three stages of nephroscopy direct vision lithotripsy technology and ultrasound, hydroelectric and other lithotripsy techniques. [0005] 3. Percutaneous nephrobiopsy (PNB) was used clinically in the ear...

AI Technical Summary

Problems solved by technology

[0009] (1) The three-dimensional registration method is mainly based on the recognition map, and the placement of the recognition map in the computer seriously affects the accuracy of the navigation system

[0010] (2) If the position of the patient changes, HoloLens needs to re-scan the recognition map, affecting efficiency

[0011] (3) The judgment of the position of the virtual model of the surgical site is mainly subjective and affects the accuracy, and there is a lack of objective data information of the surgical instruments relative to the virtual model

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