The minimally invasive Achilles tendon anastomosis tool enables minimally invasive suturing of the Achilles tendon, with an incision of only 1.5cm, while avoiding nerve damage and high healing strength of the Achilles tendon after surgery, effectively avoiding the occurrence of re-rupture. 1, the role of the Achilles tendon in the human body The Achilles tendon is the thickest tendon in the human body, and its main function is responsible for the plantarflexion of the ankle joint, which plays an important role in the completion of walking, running, jumping and other movements. According to foreign data, the incidence of Achilles tendon rupture due to sports injuries and sharp cuts in the general public is about 18/100,000, and its incidence is currently on the increase. In recent years, the incidence of Achilles tendon rupture in China is also increasing, which is closely related to the increasing interest and participation in sports, and the disease is especially prevalent among athletes, Liu Xiang and Zhao Hongbo have experienced injuries brought about by Achilles tendon rupture. An Achilles tendon rupture will produce severe lower extremity dysfunction; regardless of the treatment, the functional deficit will last 1-2 years and only 50-60% of the athletes will be able to return to their pre-rupture level of competition. Therefore, how to maximize and quickly restore the patient’s function is a difficult problem in front of orthopedic surgeons all over the world. 2, Achilles tendon surgery treatment challenges So what are the Achilles tendon rupture treatment methods? The current treatment methods include conservative treatment with a cast or brace, percutaneous or minimally invasive suturing or incisional surgical suturing. Recent studies have shown that surgical treatment has a low re-rupture rate compared to conservative treatment, but the risk of incision infection, wound dehiscence and even Achilles tendon exposure is greatly increased; while percutaneous, small incision minimally invasive sutures receive the same effect as incisional sutures, while greatly reducing wound complications, and are gradually gaining the attention of many orthopedic surgeons. However, the biggest problem posed by percutaneous minimally invasive sutures is medically induced peroneal nerve injury, and its presence has limited its clinical application and development. This technique first began in 1977 and was first used and reported by Drs. Ma & Griddith, but the peroneal nerve injury rate reached 13%. So some doctors tried to reduce the risk of injury to the peroneal nerve by using absorbable thread or modified surgical incisions, inventing assisted suture surgical instruments such as the Mayo needle (BL059N) and the French achillon tendon suture. The most promising achillon suture was invented by a Swiss orthopedic surgeon, who adopted a “box” box suture, which we found in our clinical practice to be prone to cutting of the Achilles tendon, and the early mechanical strength of the suture was questionable; the literature reported that it did not provide sufficient initial mechanical strength and was only 1 of the krackow suture. In addition, the risk of peroneal nerve injury is extremely high, and the incidence of direct puncture injury with sutures and sutures on the nerve was found to be 25.6% in cadaveric surgery. Domestic exploration of its application has just started. Most doctors in China use incisional suture technique, and more patients have problems with the incision after surgery, often prolonging hospitalization because of incisional problems, and some patients also need flap repair treatment, increasing the trauma of patients, causing great psychological pressure and economic burden to patients. 3.Our strategy to solve the problem: By establishing a suture channel with special tools, the suture system can produce a “sewing machine-like” suture effect on the surface of the Achilles tendon, thread the needle, reduce the damage to the tissues and skin around the Achilles tendon, simplify the operation, avoid the risk of nerve damage, and the incision length is only 1.5cm; meanwhile, the operation time is greatly shortened, only 15 to 15 minutes. The length of the incision is only 1.5 cm, and the operation time is greatly reduced to 15-20 minutes.