PROBLEM TO BE SOLVED: To provide a joint endoscope apparatus for making it possible to secure a wide visual field and high operability while having a small diameter for reducing invasiveness upon a patient, in the case of observing a joint region such as a knee joint having a complex structure.SOLUTION: A joint endoscope apparatus comprises: a hollow shaft part a bendable part approximately coaxially fixed at the distal end of the shaft part an operation part for performing curvature operation on the bendable part an optical fiber that has flexibility and transmits light from a light source through the inside of the shaft part and bendable part to irradiate an observation region of a joint from the bendable parts distal tip and imaging means for imaging the observation region irradiated by the illumination means.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2016,JPO&INPIT【課題】本発明は、複雑な構造である膝関節等の関節部位を観察するときに、患者への侵襲性が低い細径でありながら広い視野と高い操作性とを確保することが可能となる関節内視鏡装置を提供する。【解決手段】本関節内視鏡装置によれば、中空のシャフト部と、該シャフト部の遠位端で略同軸に固定された可曲部と、該可曲部の湾曲操作を行う操作部と、光源からの光を前記シャフト部と可曲部との内部を伝送して前記可曲部の遠位先端から前記関節の観察部位に照射する可撓性を有する光ファイバと、該照明手段により照射された観察部位を撮像する撮像手段と、を備えている。【選択図】図3
