Devices descending from K170281

3 later devices reach MSA100BT Peak Flow Meter through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K230423	Electronic Peak Flow Meter	Taian Dalu Medical Instrument Co., Ltd.	2024	0	—
+1	K191239	Smart Peak Flow Meter	Guangzhou Homesun Medical Technology Co., Ltd.	2019	1	—
+2	K203196	Peak flow meter	Shanghai Sonmol Medical Equipment Co., Ltd.	2021	0	—