Devices descending from K191731

3 later devices reach Instylla Microcatheter through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K200744	Instylla Microcatheter	Instylla, Inc.	2020	2	—
+2	K261610	Verge™ Microcatheter	Instylla, Inc.	2026	0	—
+2	K210808	Instylla Microcatheter 1.2	Instylla, Inc.	2021	1	—