Datascope
A Datascope vital signs monitor
Datascope was a manufacturer of medical devices on 21st century Earth. One of their products was a vital signs monitor.
In 2024, during her efforts to save the life of severely injured Jean-Luc Picard, Dr. Teresa Ramirez used one of these monitors for the state of his heart rate and respiration. (PIC: "Two of One")
This manufacturer was only mentioned in writing.
The device seen in the episode is a Passport 2, with the brand name removed. [1]