PROBLEM TO BE SOLVED: To provide an intracorporeal sound collector capable of collecting intracorporeal sound of an animal even when the animal has fur.SOLUTION: An intracorporeal sound collector including a sheet-like sound collection part 2 for covering a sound collection surface of a microphone 4, a soft sponge-like contact part 1 attached to the sound collection part, and, depending on necessity, a retention part 3 for stabilizing the sound collection part mitigates noise caused by rubbing of fur and improves efficiency of contact with a body surface.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2016,JPO&INPIT【課題】毛皮を持つ動物でも体内音を集音できるようにする体内音集音装置の提供。【解決手段】マイクロフォン4の集音面にシート状の集音部2を張り、集音部に柔らかいスポンジ状の接触部1をつけ、必要に応じて集音部を安定させるため補てい部3を設け、毛の擦れによるノイズを軽減し、体表面に対する接触効率を高めた体内音集音装置。【選択図】図2