An implant placement device includes a sheath a long-axis member having an opening on a distal end side, movable along an axis, and a lumen communicating with the opening a stylet movable in the axis and provided within the lumen to be turnable around the axis an operating part on a proximal end side of the stylet to turn the stylet around the axis a guide part on the proximal end side of the sheath to guide the operating part in a predetermined direction, thereby moving the sheath in the axis with respect to the stylet and turning a distal end portion of the stylet around the axis and a coupling portion formed at the distal end of the stylet, detachably coupled with an implant, and moving in the axis and turning around the axis along with the stylet and the implant according to an operation of the operating part.
