A catheter handle provided with a main handle body (10), a rotation-operating section having a rotating plate (20) and a middle member (25), an adjustment pin (30), an adjustment knob (40), and an O-ring (50), wherein: the middle member (25) is disposed between a first rotating member (21) and a second rotating member (22) that configure the rotating plate (20) and is fixed with respect to the main handle body (10) so as not to be rotatable guide grooves (251, 252) for extending a tube (70), which is inserted into the main handle body (10), along the central axis (Z) of the main handle body (10) and an outer circumferential wall (253) of the rotation-operating section are integrally formed in the middle member (25) and a through hole (35) through which the tube (70), which extends along the central axis (Z), can be inserted is formed in the adjustment pin (30). Using said catheter handle, long components such as lead wires, various kinds of tubes, etc. that are inserted into the interior from the leading end can be extended along the central axis in the longitudinal direction.Linvention concerne un manche de cathéter, ayant un corps de manche principal (10), une section dactionnement de rotation ayant une plaque rotative (20) et un élément intermédiaire (25), une broche dajustement (30), un bouton dajustement (40) et un joint torique (50), dans lequel : lélément intermédiaire (25) est disposé entre un premier élément rotatif (21) et un second élément rotatif (22) qui configurent la plaque rotative (20) et est fixé par rapport au corps de manche principal (10) de façon à ne pas pouvoir tourner des rainures de guidage (251, 252) conçues pour étendre un tube (70), qui est introduit dans le corps de manche principal (10), le long de laxe central (Z) du corps de manche principal (10) et une paroi circonférentielle externe (253) de la section dactionnement de rotation sont formées dun seul tenant dans lélément intermédiaire (25) et un trou traversant (35) à travers lequ
