Varicose vein surgery

Bildnummer 11852512
Varicose vein surgery
MODEL RELEASED. Varicose vein surgery. Close-up of surgical tools being used in an operation to remove varicose veins from a patient's legs. The incision in the leg is being held open by surgical retractors,and suturing thread is being used to tie off the vein before removal. Varicose veins form due to defective valves in veins,usually those of the legs. As blood is circulated around the legs,these valves prevent it from sinking to the feet. As the valves stop working,blood pools downwards,distending the veins. Surgical removal is carried out in severe cases,allowing the blood to flow through other veins instead. Photographed in the UK
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Varney, Jim
Bildgröße: 2848 px × 4288 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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