Blood vessel ligation device for minimally invasive surgery

The invention provides a bottom-holding type blood vessel and tissue ligation device mainly applied to the minimally invasive endoscopic surgery. The blood vessel and tissue ligation device mainly comprises a ligation device and a ligation strip, wherein the ligation strip is similar to a binding tape used in daily life, a notch is formed in the center of a clamping groove at the tai lend, and the head end can be clamped in by the notch; the ligation device comprises two layers of structures including an inner layer and an outer layer, the outer layer is a sleeve shell, and the inner layer is a main body structure; the sleeve shell is an accessory device and mainly plays protecting and smoothening roles; the inner main body structure of the ligation device mainly comprises two vertical pulleys, a three-cavity operating rod, a handle, spanners, a safety device, micro scissors, a q-like-shaped sliding rail device, an internal connecting rod, springs and the like. A fixing shaft for the two vertical pulleys, the