“Mr. Odón, 59, an Argentine car mechanic, built his first prototype in his kitchen, using a glass jar for a womb, his daughter’s doll for the trapped baby, and a fabric bag and sleeve sewn by his wife as his lifesaving device.” That was the first experiment (based on a parlor trick of extracting a busted cork from a wine bottle) that could lead to a device that will dramatically improve the way people across the globe deal with babies that are stuck in the birth canal.