Abstract: A tissue suturing system includes: a first roller, a second roller, a first power unit, a second power unit and a suture needle. The suture needle is inserted and clamped between the first and second rollers, having parallel axes, at least one of the two rollers offering active rotation and the two rollers applying a force to the suture needle at the position where it is clamped. The first power unit is configured to provide a position where the first and second rollers are relatively close to each other so that their axes are parallel and the suture needle is clamped. The second power unit provides rotation power for the active rotation, and the suture needle is in form of a curved structure and driven by the active rotation to enter and exit the tissue following a curved direction, having an external exposed position for clamping by the two rollers.

Abstract: A minimally invasive surgical suture end locking device includes a hooking assembly, a clamping structure, a power rod and an external conduit. The hooking assembly includes an annular structure enclosed by a flexible material and a force application end, the clamping structure is configured to press the locking pin, the power rod is configured to press the clamping structure by linear motion, and the external conduit is provided with a through hole, the through hole being provided on the side of a position where the clamping structure and the power rod contact each other for a portion of the suture passing through the through area to be led out. There is provided in the present invention a device that allows to tighten and lock the suture directly at the end proximal to the position where the suture is led out from the human tissue.