O'Sullivan-O'Conner Vaginal RetractorNewMed® O’Sullivan‑O’Connor Vaginal Retractor is a self‑retaining surgical instrument used to hold open vaginal walls during gynecologic and pelvic surgeries. The overall length is 28 cm, and the blade sizes are small 1.3 × 4.7 cm, medium 3.8 × 8.9 cm, and large ..