[Problems] medical procedures, in particular, to provide a method of preparing the subject for examination of the gastrointestinal tract. Apparatus for [MEANS FOR SOLVING PROBLEMS] vivo testing, systems, and methods. Emptying phase substantially methods and in vivo tests, including the step of inserting the gastrointestinal tract of the subject autonomous in-vivo imaging device and the contents of the large intestine of the subject. Autonomous in-vivo imaging device, a wireless receiver, antenna set, laxatives, and, in vivo test kit, and instructions for use stimulant optionally. [Selection Figure Figure 4【課題】医療手技、特に、胃腸管の検査に対して被験者を準備する方法を提供する。【解決手段】生体内検査のための装置、システム、及び方法。生体内検査の方法は、被験者の大腸の内容物を実質的に空にする段階、及び自律的生体内撮像装置を被験者の胃腸管に挿入する段階を含む。生体内検査キットは、自律的生体内撮像装置、無線受信機、アンテナセット、下剤、及び、任意的に刺激剤及び使用説明書を含む。【選択図】図4
