Table 1. Mechanical CPR devices applied by German Resuscitation Registry participants during our study period.

Device	AutoPulse	LUCAS
manufacturer	Zoll Medical, Chelmsford, USA (prior: Revivant)	Physio-Control, Redmond, USA and Jolife, Lund, Sweden
technique	load distributing band	mechanical piston
models and precursors	“AutoPulse” (different versions): electric driven “vest CPR” (discontinued): inflatable vest, pneumatic, circular pressure	“LUCAS 2”: electric driven “LUCAS”: gas-driven

Manufacturer information.