Devices descending from K984481

2 later devices reach Exhalation Valve through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K132143	Exhalation Valve	Intersurgical Incorporated	2014	1	—
+2	K210992	Altech® Exhalation Valve (Single Limb and Dual Limb)	Meditera Tibbi Malzeme San VE Tic AS	2021	0	—