Review different type of Impella devices with their detailed specifications.

Features	CP® with SmartAssist®	5.5® with SmartAssist®	RP® with SmartAssist®	RP Flex™ with SmartAssist®
Cannula diameter	14 Fr	21 Fr	22 Fr	22 Fr
Catheter diameter	9 Fr	9 Fr	11 Fr	11 Fr
Peak flow	4.3 L/min	6.2 L/min	4.0 L/min	4.0 L/min
Insertion site	Axillary a. Femoral a.	Axillary a. Ascending aorta	Femoral v.	Femoral v. Internal Jugular v.