PROBLEM TO BE SOLVED: To increase convenience for an operator and a degree of freedom in therapeutic operation by improving retention property for a linear material such as a catheter.SOLUTION: A connector retainer (2) for retaining a connector (Y connector 106) for causing a linear material to penetrate to a support member includes: a body part (4) fixed to the support member； and a fitting part (6) to which a rotator part (112) of the connector (Y connector 106) is fitted. The connector (Y connector 106) can be fitted to the fitting part (6) detachably and can be firmly retained.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】カテーテルなどの線状材の保持性を改善し、施術者の利便性と施術操作の自由度を高めることにある。【解決手段】 線状材を貫通させるコネクター（Ｙコネクター１０６）を支持部材に保持させるコネクター保持具（２）であって、支持部材に固定される本体部（４）と、コネクター（Ｙコネクター１０６）のローテーター部（１１２）が装着される装着部（６）とを備え、装着部（６）に着脱可能にコネクター（Ｙコネクター１０６）を装着し、強固に保持できる。【選択図】図１
