In brain surgery, the doctor's eyes moving back and forth between the display and the patient can affect their concentration. According to a report on the website of New Scientist magazine, scientists from several universities and hospitals in the UK have jointly developed a laser detector that converts brain cell spectral signals into audio, allowing doctors to distinguish cancer cells and health by “listeningâ€. cell. New technologies can help doctors complete brain surgery more quickly and safely.
The new laser detector was improved on the basis of last year's research and development. The previous detectors also help doctors identify areas of cancer cells in the brain, but they can only be visualized through the display. The new detector converts the map signal into an audio signal, allowing the doctor to "listen" to the cancer cells in the brain, thereby focusing the eye on the surgical site. Matthew Baker of the University of Strathclyde, who participated in the study, said that the new technology can accurately signal the guidance, allowing doctors to focus on surgery.
The working principle of the laser detector is based on Raman spectroscopy, which emits laser light to brain cells and analyzes the reflected spectrum to form a spectrum similar to the cell fingerprint. The shape of the spectrogram tells the doctor whether the irradiated cells are cancerous. The research team installed a new set of audio signal software for the detector that captures important features of the map signal and converts these signal characteristics into sound.
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