Devices descending from K000246

4 later devices reach Radiocameras Extracranial System through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K071360	Optical Guidance Platform	Varian Medical Systems, Inc.	2007	2	5
+1	K042875	Navigator	Nomos Corp.	2005	0	—
+2	K142560	Varian Head Frame	Varian Medical Systems, Inc.	2014	1	1
+3	K180586	Varian Head Frame	Varian Medical Systems, Inc.	2018	0	—