The invention refers to a method and doses in the administration of drugs for conscious sedation of a patient to be used in surgeries, including spinal column endoscopic surgery and other surgeries, as well as other applications inside or outside the operating theater using bio-backfeed or communication with the patient him/herself. Conscious sedation in surgeries, including spine or similar or other surgeries and applications inside and outside the operating theater permit the surgeon a greater risk control, e.g. injure the patient column or other organs or parts of the patient who, when being watchful there is communication with the patient, but it does not occur at present in operations involving general anesthesia the latter includes column or similar surgeries, other surgeries and applications inside and outside the operating theater.
