Devices descending from K163519

4 later devices reach RX DC through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K182206	RiX70 DC	Trident S.R.L	2018	3	—
+2	K232085	Dvas (Dvas-M, Dvas-W)	Genoray Co., Ltd.	2023	0	—
+2	K211014	Portray	Surround Medical Systems	2021	1	—
+3	K223780	Lumos 3DX	3Dio	2023	0	—