Guidant INSIGNIA I Entra-- family of pacemakers includes the following: SSI (model numbers 0484 and 0485); DDD (models 0985, 0986); SR (models 1195, 1198); and DR (models1294, 1295, 1296). --Intermedics NEXUS Entra--family of pacemakers includes the following: SSI (model 1326); DDD (model 1426); SR (model 1398) and DR (model 1466, 1494). --The INSIGNIA I Entra pacemakers are multiprogrammable pacemakers from Guidant. -----The NEXUS I Entra pacemakers are multiprogrammable pacemakers from Intermedics. Guidant Corporation, Cardiac Rhythm Management, 4100 Hamline Avenue North, St. Paul, MN 55112-5798 USA. or Intermedics, Inc., 4100 Hamline Avenue North, St. Paul, MN 55112-5798 USA. Quantities Distributed by model are as follows: INSIGNIA ENTRA SSI model 484=704 devices, model 485 = 10; DDD model 985 = 13, model 986 = 779; SR model 1195 = 393, model 1198 = 2,693; DR model 1294 = 2,029, model 1295 = 439, model 1296 = 2,361; NEXUS ENTRA SSI model 1326 = 55; DDD model 1426 = 7; SR model 1395 = 45, 1398 = 117; DR model 1466 = 264, model 1494 = 46, model 1495 = 17.