A medical device includes a mechanism configured to perform a first medical operation, a scanner and a processing circuit. The scanner is configured to scan data displayed on a computer screen by a second medical device separate from the medical device. The processing circuit is configured to receive the scanned data from the scanner. The scanned data comprises an indication that a second medical operation was performed by the second medical device. The processing circuit is configured to proceed with the first medical operation based on the indication that the second medical operation was performed by the second medical device.
