PROBLEM TO BE SOLVED: To provide a hook holder for an artificial inner ear device, which is for an artificial inner ear device, is provided with a microphone in an ear hanging part comprising a hook and an ear hanging body, is easily worn and taken off while suppressing positional deviation of the ear hanging part, is excellent in beauty, and can reduce influence on a sound field near the microphone even when the microphone is disposed at a hook end.SOLUTION: The hook holder includes a resin molded part and a hook grip made of a metal wire. The hook holder is worn at an ear concha part comprising a cavum conchae and a cymba conchae, and the hook end is gripped by the spring property of the hook grip.COPYRIGHT: (C)2011,JPO&INPIT【課題】人工内耳装置用であって、フックと耳かけ本体からなる耳かけ部にマイクロホンを設け、この耳かけ部の位置ずれを抑制しつつ、脱着作業が容易で、美観に優れ、マイクロホンをフック先端部に設けた場合でも、マイクロホン付近の音場への影響を少なくすることができる人工内耳装置用のフック保持具を提供する。【解決手段】フック保持具は樹脂製のモールド部と金属ワイヤでなるフック把持部からなり、前記フック保持具を耳甲介腔と耳甲介艇からなる耳甲介部に装着し、前記フック先端部を前記フック把持部のバネ性で把持する。【選択図】図3