Devices descending from K974718

2 later devices reach Persyst Prism through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K062533	Bwii Eeg Digital, Model PV 1652; Bwii PSG Digital, Model PV 1524	Neurovirtual USA, Inc.	2006	1	—
+2	K112107	Bwiii Eeg, Bwiii Eeg Plus, Bwiii PSG, Bwiii PSG Plus	Neurovirtual USA, Inc.	2011	0	—