Devices descending from K973139

3 later devices reach Endopath Ultra-Retractor/ Endopath Vessel Dissector through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Recalls
+1	K022989	Radlite Tissue Retractor System	Genzyme Biosurgery	2002	—
+1	K013576	Pericscope, Model # PERISC1	Ethicon Endo-Surgery, Inc.	2002	—
+1	K012724	Smith & Nephew Vascular Videoendoscope System, Model 7209273	Smith & Nephew, Inc.	2001	—