Devices descending from K861454

2 later devices reach End Tidal CO2 Tube through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K021540	Rusch Edgar Tube	Rusch Intl.	2002	1	—
+2	K023964	Rusch Microlaryngeal Tube	Rusch Intl.	2002	0	—