An oral cavity insertion instrument which is to be attached to a monitor device having a long scope portion is provided. The oral cavity insertion instrument is adapted to be used by being inserted into an oral cavity and has a long cover member having a bore which extends in a longitudinal direction thereof, wherein the scope portion of the monitor is adapted to be inserted into the bore. The oral cavity insertion instrument also has a long tongue depressor in the form of a plate. The tongue depressor is provided adjacent to and in contact with the cover member along the longitudinal direction thereof. The oral cavity insertion instrument includes an attachment unit used to attach the cover member to the monitor device. The tongue depressor includes a tip end having a width greater than that of the cover member. A pharyngoscope apparatus provided with the oral cavity insertion instrument is also provided.本發明提供一種口腔插入器,其係附接至一具有一長顯示鏡部分之監視器設備。該口腔插入器經調適以藉由插入口腔內來使用且具有一長覆蓋構件,該構件具有一在其縱向方向上延伸之孔,其中該監視器之該顯示鏡部分經調適以插入該孔中。該口腔插入器亦具有一呈板狀形式之長壓舌部。提供該壓舌部以沿其縱向方向與該覆蓋構件相鄰且相接觸。該口腔插入器包括一用於使該覆蓋構件附接至該監視器設備之附接單元。該壓舌部包括寬度大於該覆蓋構件之寬度之一前端。本發明亦提供一種具有該口腔插入器之咽喉鏡裝置。1‧‧‧咽喉鏡裝置3‧‧‧口腔插入器21‧‧‧監視器設備本體23‧‧‧顯示鏡部分
