Medical devices, namely laparoscopic surgical devices, insufflation needles, cannulas, and trocars; Medical devices, namely trocars; Medical devices, namely visualization stylets, digital imaging cameras for imaging interior anatomical structures, visualization stylets with removable covers, visualization stylets with removable optical covers; Medical devices to facilitate insufflation of the peritoneum; needles to facilitate insufflation of the peritoneum; conduits to facilitate insufflation of the peritoneum; Medical access ports; cannulas for accessing the peritoneum; Arthroscopic surgical devices; arthroscopes; medical devices to provide access to joints; visualization stylets for use in arthroscopic surgical procedures; cannulas for use in arthroscopic procedures; Medical devices to provide thoracic access; thoracic access ports; visualization stylets for use in thoracic medical procedures; cannulas for use in thoracic medical procedures; Medical devices for use in pulmonary procedures; visualization stylets for use in pulmonary medical procedures; cannulas for use in pulmonary medical procedures; Medical devices for use in endoscopic cranial surgical procedures; visualization stylets for use in cranial surgical procedures; cannulas for use in cranial surgical procedures; Medical devices for use in spinal medical procedures; visualization stylets for use in spinal medical procedures; cannulas for use in spinal medical procedures; Minimally invasive surgical devices; Minimally invasive surgical ports; Minimally invasive surgical visualization devices; Surgical devices for use in battlefield medical procedures; access cannulas for use in battlefield medical procedures; devices for accessing anatomy in battlefield medical procedures; visualization devices for use in battlefield medical procedures; Surgical devices for use in emergency medical procedures; access cannulas for use in emergency medical procedures; devices for accessing anatomy in emergency medical procedures; visualization devices for use in emergency medical procedures