They were starting to  run out of penicillin, so what they would do  was run with his urine across the road to re-synthesize  the penicillin from his urine and give it back to him, and that worked.
Запас лекарства стал заканчиваться, и тогда врачи начали собирать мочу пациента, ресинтезировать из неё пенициллин и давать его больному. Это сработало.