> This sounds like a redundant level of indirection. Why not just have a patient-unique QR code on the bed? This necessitates entering the patient's room. A QR

> This sounds like a redundant level of indirection. Why not just have a patient-unique QR code on the bed? This necessitates entering the patient's room. A QR code on the door as well allows for accessing information without disturbing their sleep, for example.