Unlike with a traditional blood draw, the patient does not see the needle go into the arm nor the tubes of blood. The process takes about two minutes and has a 95% success rate on the first attempt.

Several health systems across the U.S. — including Northwestern Medicine — are gearing up to try a new way of drawing blood: using a robot.

"I'm a phlebotomist, and I thought there could be an improved phlebotomy chair to keep blood draw supplies readily accessible and within reach," said an inventor, from Laveen, Ariz., "so I invented ...

The invention provides an improved phlebotomy chair. In doing so, it would house and organize various supplies for the blood draw such as tubes, gauze, alcohol pads, writing instruments, ...