A portable, hands-free and user friendly breast pump for facilitating breastfeeding, incorporates a dome-shaped housing having a servomotor mechanism; a hat-shaped flange having a chamber portion, a brim portion and an outlet, the chamber portion being formed so as to be placed over a nipple on a breast...http://www.google.de/patents/US20020193731?utm_source=gb-gplus-sharePatent US20020193731 - System for a portable hands-free breast pump and method of using the same
