Cardiac Resynchronization Therapy Defibrillators (CRT-Ds), Viva. Labeled as the following: a. Viva Quad S CRT-D DF4 (Product No. DTBB1QQ); b. Viva Quad XT CRT-D DF4 (Product No. DTBA1QQ); c. Viva S CRT-D DF1 (Product No. DTBB1D1); d. Viva XT CRT-D DF1 (Product No. DTBA1D1); e. Viva XT CRT-D DF4 (Product No. DTBA1D4); EXPANSION: f. Viva Quad S CRT-D DF1 (Product No. DTBB1Q1); g. Viva Quad XT CRT-D DF1 (Product No. DTBA1Q1); h. Viva S CRT-D DF4 (Product No. DTBB1D4) Implantable devices that automatically detect and treat episodes of ventricular fibrillation, ventricular tachycardia, fast ventricular tachycardia, and bradyarrhythmia. Some devices can also provide resynchronization therapy, including sequential biventricular pacing (CRT-D devices).

Reason: Possible prevention of high and low voltage therapy in Medtronic Implantable Cardioverter Defibrillators (ICDs) and Cardiac Resynchronization Therapy Defibrillator (CRT-D).

Code information: a. Product No. DTBB1QQ: UDI 00643169530218 (Serial No. BLK204122H) (EXPANSION: Serial No. BLK202087H, BLK203257H, BLK204050H, BLK204435H); b. Product No. DTBA1QQ: UDI 00643169007222 (Serial No. BLC224272H) (EXPANSION: Serial No. BLC200490H, BLC205825H, BLC205826H, BLC205827H, BLC206202H, BLC206263H, BLC208305H, BLC208471H, BLC211869H, BLC215219H, BLC215544H, BLC218906H, BLC219515H, BLC220190H, BLC221044H, BLC221045H, BLC221046H, BLC221047H, BLC222903H, BLC223278H, BLC223517H, BLC224374H, BLC224553H, BLC224554H, BLC224555H, BLC224556H, BLC224655H, BLC225498H, BLC225502H, BLC225682H, BLC225734H, BLC226030H, BLC226031H, BLC226032H, BLC226033H, BLC226034H, BLC226035H, BLC226040H, BLC227270H, BLC227659H, BLC227662H, BLC205767H, BLC205828H, BLC211870H, BLC226988H, BLC227212H, BLC227728H, BLC227740H), 00643169530171 (Serial No. BLC227175H, BLC227641H); c. Product No. DTBB1D1: UDI 00643169007185 (Serial No. BLO204984H) EXPANSION: Serial No. BLO210650H, BLO212502H, BLO201695H, BLO204429H, BLO206930H, BLO207702H, BLO208974H, BLO210408H, BLO210409H, BLO210770H, BLO212131H, BLO212481H, BLO212491H, BLO212493H, BLO212503H, BLO212504H, BLO212505H, BLO212506H, BLO212507H, BLO212729H, BLO213454H, BLO213467H, BLO213468H, BLO213592H, BLO213780H, BLO213781H, BLO201347H, BLO201436H, BLO208063H, BLO212501H, BLO213783H, BLO213784H, BLO213786H); d. Product No. DTBA1D1: UDI 00643169530140 (Serial No. BLF253790H, BLF254092H, BLF250740H, BLF251155H), 00643169007246 (Serial No. BLF216780H, BLF231229H) (EXPANSION: Serial No. BLF243217H, BLF247858H, BLF202387H, BLF202535H, BLF204112H, BLF205853H, BLF206730H, BLF206788H, BLF207518H, BLF207678H, BLF210779H, BLF210782H, BLF211003H, BLF211357H, BLF211358H, BLF213450H, BLF213658H, BLF218473H, BLF219583H, BLF219667H, BLF221248H, BLF222061H, BLF224098H, BLF224106H, BLF224214H, BLF224230H, BLF224242H, BLF224253H, BLF224260H, BLF224386H, BLF224483H, BLF227680H, BLF227903H, BLF227947H, BLF228849H, BLF230968H, BLF232235H, BLF232254H, BLF234692H, BLF235138H, BLF237753H, BLF238241H, BLF238700H, BLF239221H, BLF239916H, BLF243268H, BLF243674H, BLF245571H, BLF245572H, BLF245893H, BLF246563H, BLF247381H, BLF247435H, BLF247466H, BLF248396H, BLF248398H, BLF248399H, BLF248400H, BLF248401H, BLF248402H, BLF248403H, BLF248464H, BLF249952H, BLF250022H, BLF250142H, BLF250143H, BLF250389H, BLF250392H, BLF250393H, BLF250751H, BLF251380H, BLF253085H, BLF253406H, BLF253407H, BLF253618H, BLF253795H, BLF253796H, BLF253798H, BLF253801H, BLF253802H, BLF253803H, BLF253806H, BLF253820H, BLF253853H, BLF254774H, BLF254776H, BLF254777H, BLF254778H, BLF254779H, BLF200834H, BLF205341H, BLF218472H, BLF218474H, BLF220892H, BLF224264H, BLF250752H, BLF205821H, BLF210550H, BLF222642H, BLF251852H, BLF253755H, BLF253852H, BLF253797H, BLF253799H), 00643169929296 (Serial No. BLF255165H, BLF255598H; e. Product No. DTBA1D4: UDI 00643169530157 (Serial No. BLE219903H), 00643169929302 (Serial No. BLE220200H), EXPANSION: UDI 00643169007239 (Serial No. BLE205339H, BLE203253H, BLE203582H, BLE203583H, BLE204049H, BLE205304H, BLE209377H, BLE209554H, BLE212368H, BLE213926H, BLE218673H, BLE218892H, BLE218902H, BLE219909H, BLE219911H, BLE219914H, BLE208468H, BLE204048H, BLE214123H, BLE217805H, BLE219910H, BLE220390H, BLE219912H); EXPANSION: f. Product No. DTBB1Q1: UDI 00643169017993 (Serial No. BLM201868H, BLM202644H, BLM202773H, BLM202775H); g. Product No. DTBA1Q1: UDI 00643169018013 (Serial No, BLD202507H, BLD202778H, BLD203541H, BLD207024H, BLD208443H, BLD209856H, BLD210102H, BLD210103H, BLD210175H, BLD210220H, BLD210223H, BLD210251H, BLD210257H, BLD210258H, BLD210259H, BLD210260H, BLD211370H, BLD211371H, BLD211681H, BLD211682H, BLD202666H, BLD210700H, BLD210738H, BLD211680H, BLD210699H); h. Product No. DTBB1D4: UDI 00643169007178 (Serial No. BLN201692H, BLN201722H, BLN202203H, BLN202897H, BLN204159H, BLN202355H)

Distribution pattern: US Nationwide Distribution.