![]() ![]() The management of spine and spinal cord disorders frequently requires surgical procedures. The spinal cord (SC) is a major structure of the central nervous system allowing, among others, the transmission of afferent sensory and efferent motor neurological information. This multispectral system was successfully tested in in vivo experiments on the spinal cord of a pig for specific medical applications. In this paper, we focused primarily on aspects of the PhotoPlethysmoGram (PPG), emanating from four different light sources to show in real time and record biological signals from the spinal cord in transmission and reflection modes. The device, operating with multiple wavelengths, uses Near-InfraRed Spectroscopy (NIRS) in combination with other additional sensors, including ElectroNeuroGraphy (ENG). We report the development of a specific device to monitor the functional status of biological tissues with high resolution. ![]() This is essential information that would allow surgeons to adapt their procedure in case of ischemic suffering of the spinal cord. To date, there is no direct way to monitor the oxygenation of the spinal cord intraoperatively to reflect its vitality. During spinal surgery, such as scoliosis correction, this structure can be damaged, resulting in major neurological damage to the patient. ![]() The spinal cord is a major structure of the central nervous system allowing, among other things, the transmission of afferent sensory and efferent motor information.
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