Symbol 5811 from IEC 60417 - Title/Meaning: Patient position, supine Function/description: To indicate a reference to a patient in a supine position (lying on the back).
Additional information: 
Published in: 3C/1288/FDIS, 3C/1334/RVD
Own work using: iso.org/obp/graphics/grs/ad51379a-62b0-4716-bc0b-dfb9e1015e71 200.png
Vectorization:  Mrmw