Patent ID: 7857153
Filing Date: 2010-12-28
Classification: A61J

Abstract:
1. An infant feeding device including an artificial nipple comprising: a mounting portion configured to connect the artificial nipple to a feeding bottle; a nipple body portion located adjacent said mounting portion; a mammary papilla portion protruding from said nipple body portion; and a mammary papilla leading end portion positioned at a leading end portion of said mammary papilla portion and having a leading end opening formed therein and configured for passing a liquid therethrough, wherein a wall of the artificial nipple located from said nipple body portion to said mammary papilla leading end portion is made of a soft material, a shape holding layer made of a material having a predefined rigidity so as to hold the shape of said wall is formed as an inner layer and located at an inner side of said wall, a tongue abutting layer having a smooth face allowing a peristalsis motion by a tongue is formed as an outer layer and located at an outer side of said wall, said shape holding layer is thicker than said tongue abutting layer, said mounting portion is made from a first material having a first hardness, and said shape holding layer is made from the first material having the first hardness, a deformation absorbing layer is made of a material having a rigidity that is lower than the predefined rigidity of the material of said shape holding layer and that is lower than a rigidity of said tongue abutting layer, the deformation absorbing layer having a thickness that is larger than a thickness of said shape holding layer and said tongue abutting layer, and said deformation absorbing layer being arranged between said shape holding layer and said tongue abutting layer.