artificial blood vessel implantation

Treating diseases: aneurysms Indication Aneurysms, arterial stenosis, arterial embolism, or vascular rupture are difficult to repair; venous lesions are generally limited to vena cava segment transplantation. Preoperative preparation There are natural silk fabric artificial blood vessels, nylon artificial blood vessels, polyester artificial blood vessels, expanded polytetrafluoroethylene (PTEE) tubes and the like. The artificial blood vessel was first immersed in isotonic saline at 36-38 ° C for 30 min to make it soft. The inner wall of the artificial blood vessel is further infiltrated with 10 ml of the patient's blood, so that the blood is coagulated between the cells of the blood vessel, and the inner surface of the blood vessel becomes smooth. Surgical procedure 1, anesthesia must be sufficient, should choose the tracheal intubation general anesthesia. 2. The blood vessels in the lesion are exposed, and the diseased blood vessel segment is fully dissociated, and the upper and lower ends exceed the lesion range. 3. On the upper and lower ends of the blood vessel of the lesion, the blood vessel is clamped, the blood flow is blocked, and the diseased blood vessel segment is removed. 4. A section of artificial blood vessels of similar diameter and moderate length is planted in the middle, and the proximal side is sutured first, and the end of the 5-0 suture is continuously valgus sutured. The distal side was sutured again, and the suture was continuously sutured with a 5-0 suture. When suturing to the last 2 or 3 needles, the proximal blood flow is opened, the blood clots and air in the blood vessels are discharged, and finally the suture is completely closed. Open the distal vessel clamp. 5. If the disease is occlusive, the vascular segment may not be cut off, and the artificial blood vessel bypass implantation is performed on the upper and lower sides of the lesion, and the artificial blood vessel is anastomosed to the end of the artery. 6. Press the saline pad to press the anastomosis to stop the bleeding. 7. Close the incision.

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