Khanna Traders

This series models consists of six development phases and each parts shows a state of prenatal cervix and birth canal. The whole models demonstrate the relations between the scope of the expanding of the orifice of cervix, and the range of cervical tunnels, as well as the relation between the position of the head of fetus and the square of ischial spine.

Stage 1 - no dilation of cervix; cervical canal does not disappears ; the position relation between fetal head and ischial spine place is -5

Stage 2 - 2 cm cervical dilation ; disappears 50% of cervical canal ; the position relation between fetal head & ischial spine place is - 4;

Stage 3 - 4 cm cervical dilation ; cervical canal completely disappears; the position relation between fetal head & ischial spine place is - 3;

Stage 4 - 5 cm cervical dilation ; cervical canal completely disappears; the position relation between fetal head & ischial spine place is - 0;

Stage 5 - 7 cm cervical dilation ; cervical canal completely disappears; the position relation between fetal head & ischial spine place is +2;

Stage 6 - 10 cm cervical dilation ; cervical canal completely disappears; the position relation between fetal head & ischial spine place is +5

DescriptionFeatures:1. Demonstrate the fetus, umbilical cord and placenta of vacuum-assisted delivery, flexible fetal joint, and multiple normal and abnormal positions of fetal delivery can be showed;2. Equipped with manual delivery mechanical parts; by manual , the whole delivery process, including engagement, descending, flexion, internal rotation, extension, restoration, external rotation and fetal delivery, can be showed;3. Can practice and master the comprehensive skills of normal labor, abnormal labor (dystocia), midwifery and perineum protection;4. Equipped with soft elevated cushion for Leopold Maneuver practice;5. Equipped with models for cervical and vaginal examination practice before and at birth;