In our daily life, we will inevitably produce wounds, but for various reasons the speed of wound healing is very different, some people’s wounds heal very quickly, and some people are not healed for a long time! Clinically, a long time is difficult to heal the wound, called difficult to heal wounds, refers to a variety of internal or external factors under the role of the wound can not be through the normal wound healing process to achieve healing, into a pathological inflammatory response state, thus forming a long-lasting difficult to heal wounds. Common difficult-to-heal wounds, as follows: 1, radioactive ulcers: often due to malignant tumors after resection to receive radiation therapy, commonly found in the skull, sternum, breast area, clavicle and other parts. 2, pressure ulcers: also known as bedsores, often due to paraplegia, mobility problems, long-term bed-ridden patients. 3, chronic ulcers of the calf: commonly seen in varicose veins of the lower limbs, due to the poor venous return of the calf for a long time, coupled with poor blood circulation in the calf itself. 4.Diabetic foot: diabetic patients combined with peripheral neuropathy and peripheral vascular disease, the most obvious involvement of the foot, causing destruction of soft tissues and bone and joints, foot ulcers, infections, vascular disease, neurological symptoms and so on. 5, the depth of the defect exceeds the whole skin layer and the area of the wound is large: often due to various types of trauma, such as: burns, car accidents, avulsion injuries and so on. 6, the defect may not be large, but there are bones, joints, tendons, important blood vessels, nerves and other important tissues or organs exposed wounds. Chronic difficult-to-heal wounds are not immediately life-threatening, but because of the long months or even years of non-healing, seriously affecting the patient’s recovery and quality of life of the original disease. Treatment of difficult-to-heal wounds is very difficult and usually requires special treatments or even surgical repair to heal. Generally through the dressing change, negative pressure vacuum suction, local application of a variety of drugs and other treatments, the condition of the wound can be improved, the secretion is reduced, the granulation becomes fresh, but the wound is still difficult to self-healing, at this point, it is necessary to repair through the implantation of skin, skin flap transplantation, myocutaneous flap transplantation and other surgical means of orthopedic surgery. Warm tips When you have a wound that does not heal for a long time, you must go to the regular hospital in time, by experienced professional doctors for you to clarify the further treatment program. If not actively treated, the wound wound persists for a long time, which not only causes the loss of nutrients and increases the risk of systemic infection, but also the possibility of localized cancerous transformation of the wound.