Tendons are composed of longitudinal fiber bundles connected by loose connective tissue between bundles. Tenorrhage is surgery to restore function by resuturing a ruptured tendon. Tendon rupture and defect are common diseases, usually caused by injury or disease. In order to restore the function of the limbs, ruptured or defective tendons must be repaired in time. Therefore, there is a difference in the connected tissues between digital flexor tendon suturing and suturing in other locations. 1. Situations that require digital flexor tendon suturing

Edema, inflammation and minor injuries in the limbs and ward should also be actively treated, and the surgery will completely subside after 2 to 3 months. Local large and hard scars should be incised first and repaired with skin flaps to ensure good blood supply and soft loose tissue around the tendons. Before tendon suturing, joint stiffness that controls movement must be treated first, with physical therapy and peripheral and passive exercises. Recovery requires greater range of motion to achieve the effects of surgery and tendon suturing. The suture material should be selected with low reaction, high tension and smooth surface. Generally speaking, soft stainless steel wire with a diameter of 0.25 ~ 0.30 mm is best and is often used to extract wire sutures. Not very powerful or straight. 2. Preoperative preparation for digital flexor tendon suturing

Preoperatively check whether there is nerve damage or fracture at the tendon rupture site; prepare various surgical instruments according to the location, type and size of the tendon. Even if the edema and inflammation in the limbs and diseased parts are mild, they must be actively treated and operated after they have completely subsided. Local large and hard scars must be incised first and repaired with skin flaps so that there is good blood supply and soft loose tissue around the tendons. . Before tendon suturing, the joints that control the movement must be treated first, and physical therapy and peripheral and passive movements must be performed to restore a greater range of motion. Only then can the operation be performed and the effect of tendon suturing can be obtained.

Mobility after tendon repair is important. On the basis of strong suturing, initial activities can effectively reduce adhesions. Mild adhesions can be smoothly increased through appropriate movement, allowing the repaired tendon to regain a certain sliding function. The bandage is limited to the wound, leaving it exposed in order to exercise function as early as possible. Maintaining appropriate pressure can help inflammatory reactions such as swelling, bleeding, and tendon healing. That kind of pressure should ideally not cause symptoms of nerve compression.