<unk>  is a medical<unk>  that assists during a difficult birth. The low-cost<unk>  consists of a plastic sleeve that is inflated around the baby's head and is used to gently pull and ease the head of the infant through the birth canal.
Odon device
HANS device
Toftness device
VirtaMed
Aneugen
MedWatch
Conception device
Focometer