The Technology We utilise the GE Voluson 730, 4D Ultrasound System which adds a unique and breathtaking dimension to obstetric scanning. Adding the fourth dimension of time provides a remarkable moving image of your unborn child. This is truly a unique moment for you and your family to cherish. On the left you will find links to both photos and videos of 4D ultrasound scan results. For the most common questions regarding 4D ultrasound and our practice take a look at our FAQ's section.