Devices descending from K203839

4 later devices reach WatchPAT200U (WP200U) through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K222331	WatchPAT300 (WP300)	Itamar Medical, Ltd.	2022	3	—
+2	K223675	WatchPAT ONE (WP1)	Itamar Medical, Ltd.	2023	2	—
+3	K250460	WatchPAT400 (WP400)	Itamar Medical, Ltd.	2025	1	—
+4	K254042	WatchPAT SW	Itamar Medical, Ltd.	2026	0	—