X0101 EFFECT 33 LIVE 2013-02-21 16:30:00

S-4

0000859737 HOLOGIC INC 333-186252 0001566153 Direct Radiography Corp. 333-186252-27 0001566193 Cruiser, Inc. 333-186252-26 0000849778 CYTYC CORP 333-186252-25 0001566198 Cytyc Interim, Inc. 333-186252-24 0001566149 Cytyc International, Inc. 333-186252-23 0001566150 Cytyc Prenatal Products Corp. 333-186252-22 0001566152 Cytyc Surgical Products III, LLC 333-186252-21 0001566164 Sentinelle Medical USA Inc. 333-186252-20 0001566252 Hologic Limited Partnership 333-186252-19 0001566250 Cytyc Surgical Products, Limited Partnership 333-186252-18 0001566249 Cytyc Surgical Products II, Limited Partnership 333-186252-17 0001566166 SST Merger Corp. 333-186252-16 0001131594 SUROS SURGICAL SYSTEMS INC 333-186252-15 0001073651 THIRD WAVE AGBIO INC 333-186252-14 0001120438 THIRD WAVE TECHNOLOGIES INC /WI 333-186252-13 0001566182 BioLucent, LLC 333-186252-12 0001566183 Cytyc Development Co LLC 333-186252-11 0001566187 Cytyc Ltd Liability Co 333-186252-10 0000820237 GEN PROBE INC 333-186252-09 0001566155 Gen-Probe Sales & Service, Inc. 333-186252-08 0001566156 Gen-Probe International, Inc. 333-186252-07 0001566157 Gen-Probe Holdings, Inc. 333-186252-06 0001566283 Gen-Probe Transplant Diagnostics, Inc. 333-186252-05 0001566158 Gen-Probe GTI Diagnostics Holding Co 333-186252-04 0001566284 Gen-Probe GTI Diagnostics, Inc. 333-186252-03 0001566160 Gen-Probe Prodesse, Inc. 333-186252-02 0001399684 Interlace Medical Inc 333-186252-01