Minimally invasive stitching instrument

Abstract

The invention relates to a minimally invasive stitching instrument, which comprises an operating handle, a catheter, an opening and closing driving part, a forceps head and a push rod, the forceps head comprises a first half forceps head and a second half forceps head which are both provided with concave parts at the forceps opening; the first half forceps head is provided with a first groove, anda hinged rotating rod is arranged in the first groove; a sub-needle is arranged at one end of rotating rod, the other end is connected with a guide wire, the second half forceps head is provided witha second groove, a female seat groove is formed in the second groove, and the female seat groove is connected with a stitching line; the sub-needle can slide out of the first groove to be clamped into the female seat groove; and the binding force of the sub-needle and the female seat groove is greater than that of the second groove and the female seat groove. Compared with conventional devices and means, the instrument has the advantages of being small in operative wound, small in pain of patients, simple and easy to operate, convenient and fast, small in error possibility and small in operation risk. The instrument is suitable for ligature of human tubular tissues such as great saphenous veins, fallopian tubes, seminiferous ducts and even intestines, and is wide in application range.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a minimally invasive suturing device. Background technique [0002] In the current operation, the procedure for ligation of human tubular tissues (such as great saphenous vein, fallopian tubes, vas deferens, etc.) is usually as follows: cut open the human tissue first, then clip out the tubular tissues that need to be ligated, and use sutures or ligature rings to close them. Ligation, and then put the sutured tissue back into the human body, and suture the wound of the human body. [0003] This step needs to scratch the human tissue, the surgical trauma is large, and the pain is also great for the patient; and because each patient is different in size, the depth of the tissue cut also varies from person to person, which increases the uncertainty of the operation , which also increases the risk of surgery; at the same time, the steps are cumbersome, require large operations, an...

AI Technical Summary

Problems solved by technology

[0003] This step needs to scratch the human body tissue, the operation trauma is large, and the pain caused to the patient is also great; and because each patient is different in fat and thin, the depth of the cut tissue also varies from person to person, which increases the uncertainty of the operation , which also increases the risk of surgery; at the same time, the steps are cumbersome, require large operations, and take a long time to operate

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