< Topic >The lip and the palate fissure child easy and absorbing the contents liquid sufficiently, the nursing bottle device which can drink is offered.SolutionsNursing bottle device 1 the bottle itself inclining from 11, and bottle itself 11 has with the nipple 30 which is installed in the adapter 20 which is installed in the nursing bottle 10 which possesses the opening section which extends and the opening section and adapter 20. Nursing bottle 10 consists of the flexible plastic material, bottle itself 11 has had the elliptical horizontal section. The 1st adapter 20 where nipple 30 is installed from inside, or the 2nd adapter where the nipple is installed from outside is installed in the opening section.< Choice figure >Drawing 1【課題】口唇、口蓋裂児が容易かつ十分に内容液を吸引して飲むことができる哺乳びん装置を提供する。【解決手段】哺乳びん装置1はびん本体11と、びん本体11から傾斜して延びる口部とを有する哺乳びん10と、口部に装着されたアダプタ20と、アダプタ20に装着された乳首30とを備えている。哺乳びん10は可撓性プラスチック材からなり、びん本体11はだ円形の水平断面を有している。口部には乳首30が内側から装着される第1アダプタ20、または乳首が外側から装着される第2アダプタが装着される。【選択図】図1