Another pipe networks one, now for Hemogen. Ideas:
Hemogen tank, pipe, tap (output) and funnel (input)
Hemogen Extractor: automatic Hemogen farm. Combine with a nutrient dripper for mostly-automated Hemogen production.
Hemogen dripper: Keep your Hemogenics fed.
Hemogen Drydrainer: Completely drain a live person or corpse of all of their Hemogen.
Hemogen Nutrient Extractor: Convert Hemogen into nutrient paste with a terrible ratio!
Hemogen Transfuser: Automatic Hemogen transfusions to heal blood loss.