Devices descending from K190304

2 later devices reach Kingon P2 Oxygen Concentrator through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K242718	Portable Oxygen Concentrator (P2-TOC)	Qingdao Kingon Medical Science and Technology Co., Ltd.	2025	1	—
+2	K252268	V series portable oxygen concentrator (V5, V5C, V6, V6C)	Shenzhen Harveymed Technology Co., Ltd.	2025	0	—