Switchable LED-based laparoscopic multispectral system for rapid high-resolution perfusion imaging.

"Disclosures: All authors declare no conflict of interest. Preliminary results of the presented multispectral illumination pattern to measure and visualize oxygenation in deeper tissue layers (i.StO2) in four subjects were accepted for publication in the conference proceedings of the SPIE European Conference on Biomedical Optics, Munich, June 2023."

"This work was funded by KARL STORZ SE & Co. KG. Funding for publication was provided by the Open Access Publishing Fund of Leipzig University supported by the German Research Foundation within the program Open Access Publication Funding. The volunteers who participated in the laboratory study are mentioned with gratitude."

"Thirty-six healthy volunteers (12 per parameter) were enrolled in a laboratory study at the Innovation Center Computer Assisted Surgery, Leipzig, Germany to evaluate the MSI sequences. The study was approved by the local ethics committee (476/21-ek) and is registered at clinicaltrials.gov (NCT05348512). Each participant gave written informed consent. Further information about the study cohort is available in Sec.  and Table S1 in the Supplementary Material."