Devices descending from K042697

2 later devices reach Second Look Viewer through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K060451	M-VU Viewer Station	Vucomp, Inc.	2006	0	—
+1	K050667	R2 Family of Image Display Units with R2 Uniform Display Software	R2 Technology, Inc.	2005	0	—