Devices descending from K944315

3 later devices reach Blocking Tray through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K023636	Blocking Tray	Southeastern Radiation Products, Inc.	2002	0	—
+1	K991107	Shadow Trays	Mick Radio-Nuclear Instruments, Inc.	1999	1	—
+1	K964840	Beam Block Trays	Aktina Medical Physics Corp.	1997	0	—