PROBLEM TO BE SOLVED: To provide a catheter holder capable of preventing the smooth progress of a procedure using a catheter from being hindered. A catheter holder (10) is attached with a mounting portion (110) that can be attached to and detached from a holder member (300) that can store a tubular portion (510) of a catheter (500), a holding portion (120) that holds held portions (520, 530) of the catheter (500), and a mounting portion. And a variable unit 130 that can change the position of the holding unit side with respect to the unit. [Selection diagram] Figure 2【課題】カテーテルを使用した手技の円滑な進行が妨げられることを防止できるカテーテル保持具を提供する。【解決手段】カテーテル保持具１０は、カテーテル５００の管状部５１０を収納可能なホルダー部材３００に着脱可能な取り付け部１１０と、カテーテル５００の被保持部５２０、５３０を保持する保持部１２０と、取り付け部に対する保持部側の位置を変更可能にする可変部１３０と、を有している。【選択図】図２
