Surgical knotter

Abstract

The present invention discloses a surgical knotter, comprising a long and thin cannula, a knotter forceps head, a knotter shank, a handle and a pulling rod, wherein the long and thin cannula is provided with a first end and a second end which are opposite to each other; the knotter forceps head comprises a first forceps piece arranged at the first end of the cannula and a second forceps piece rotatably connected to the first forceps piece; the proximal end of the knotter shank is connected to the second end of the cannula, and a through hole is formed in the part, close to the cannula, of the knotter shank; the handle is formed by two arm portions extending from the distal end to the proximal end of the knotter shank; the pulling rod is movably arranged in the through hole and the cannula in a matched manner; the second forceps piece is rotatably connected to one end of the pulling rod; the tail ends of the two arm portions are connected to the other end of the pulling rod by linkage mechanisms; and grasping portions are formed at the parts, close to the cannula, of the two arm portions. The surgical knotter has the advantage of being convenient and easy to operate and capable of stably clamping the suture.

Description

technical field [0001] The present invention relates to a medical suturing device, more particularly, to a surgical knotter. Background technique [0002] In surgical operations, operations such as knotting and ligation are often performed in laparoscopy or thoracoscopic surgery. Because the surgical incision is small and the site is deep, knotting is time-consuming and laborious, so it needs to be performed with the help of instruments. [0003] Chinese invention patent ZL201110282577.2 (reference 1) discloses deep knotting pliers, which are provided with special grooves on the pliers heads and outlet holes respectively at the front ends of the two pliers heads. When using the deep knotting pliers disclosed in reference 1 to tie a knot, you can choose to use a special groove or a lead hole to lead the wire, and perform laparoscopic and direct vision deep knotting during surgery. However, it is difficult for the deep knotting pliers to be threaded into the wire hole, and th...

AI Technical Summary

Problems solved by technology

The pliers head assembly of the endoscopic knotter is mainly composed of jaws, wire holes and gaps, and there are also problems such as difficulty in threading the wire to the wire hole, and easy to get off the wire.

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