Life Saving Capsule / Safety Device for Women

Can we make world safer for women?Crimes against women and children include rape and sexual assault.When a woman feels she is in danger,she swallows the capsule pendant.Capsule on contact with saliva and gastric juice(ensure against false alarm),gets activated and buzzes alarm that will call for attention.The attacker will feel he can be tracked down and will try to escape.Capsule contains GPS system with which police can track the woman and the attackers.Capsule once swallowed,can only be removed by doctor through endoscope(ensures device is not deactivated by attacker).The pendant will be worn by all woman and girl child full time.