Devices descending from K770430

2 later devices reach Catheter, Curved Left Heart Vent through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K964194	Chase Curved Left Heart Vent Catheter	Chase Medical, Inc.	1997	1	—
+2	K170488	Peak Left Ventricular Vent Cannula, 20 Fr.; Peak Left Ventricular Vent Cannula, 18 Fr…	Surge Cardiovascular	2017	0	—