A disposable absorbent article adapted to be worn about a lower torso of a human body and having a chassis, a non-removable absorbent core component disposed in a crotch region of the chassis, and one or more replaceable absorbent core component or components disposed in capillary liquid communication...http://www.google.es/patents/US7601145?utm_source=gb-gplus-sharePatente US7601145 - Disposable absorbent articles having multiple absorbent core components including replaceable components
Disposable absorbent articles having multiple absorbent core components ...