Fudan University develops high-precision neurosurgery navigation system

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Release date: 2010-01-26




The Shanghai Municipal Science and Technology Commission's "Mountaineering Program" project "High-precision neurosurgery navigation system" has been successfully developed by the Digital Medical Research Center of Fudan University. Recently, clinical trials have been completed in Huashan Hospital and other units.

This computerized surgical navigation system allows for a higher "hit rate" for craniotomy. Taking brain tumor resection as an example, the traditional craniotomy method is based on the imaging data of nuclear magnetic resonance and CT to determine the exact location of the tumor, so as to formulate a surgical plan. To ensure accuracy, surgical incisions tend to be large, and doctors can only see the surface of the exposed organs. If you accidentally damage important blood vessels and tissues, the consequences are unimaginable; if you are "cautious", less tumors will be removed, which may bring serious sequelae. How much and how deep it cuts depends mostly on the personal experience of doctors.

The "high-precision neurosurgery navigation system" is based on medical imaging data such as nuclear magnetic resonance and CT, and displays a three-dimensional visual "virtual human brain" on the computer. Where the probe in the doctor's hand points, whether it has reached the edge of the tumor, whether the front is important or not. After accurate positioning, the computer screen will be displayed one by one. In this way, under the guidance of the probe, the scalpel can safely and gradually approach the tumor to ensure that it is safe. Clinical trials have shown that with high-precision navigation technology, the positioning accuracy of the surgery can be changed from centimeter to millimeter, and the average navigation accuracy is less than 2 mm.

(Source: Kexun)

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