Release date: 2014-08-14
A device consisting of a tiny bulging air pillow can be used to expand the arteries of the leg embolization. Doctors believe that the device will perform better than the long-term effects of current therapies.
The device was developed to treat peripheral arterial disease (PAD), which is similar to heart disease except that it occurs in the legs. The cause of the disease is accumulation of fat on the arterial wall or plaque. Blockage can cause a decrease in blood supply to the legs and feet, and can cause pain in the calf, thigh or buttocks muscles during walking and exercise. Poor local circulation. Insufficient blood supply can lead to tissue death and can lead to incurable ulcers. If left unchecked, it will cause amputation.
Many older people have varying degrees of PAD, an early sign of cardiovascular disease, heart disease and stroke. If the leg artery is atherosclerotic, the cardiovascular and cerebrovascular diseases may also be affected.
Doctors often prescribe blood lipids or anticoagulants for the disease to prevent plaque formation in the blood. Even some patients require shell surgery to improve circulation and widen the blood vessels by filling the expanded beads. However, this method has the risk of plaque detachment and damage to blood vessels.
Sometimes the blood vessels will narrow again after treatment. A further treatment is to insert a small tubular device to support the blood vessel. However, this angioplasty can only be performed in a larger artery with a success rate of 60% to 80%. However, the success rate for arteriolar surgery is only 50% to 60%.
The new air pillow can be independently inflated and deflated. Metal chains can limit the size of each air pillow expansion. The benefit of the new design is that balloon pressure can spread to a wider area.
This will make the arterial pressure less, which will reduce the possibility of plaque detachment. Entrapped drugs outside the air pillow can reduce secondary fat accumulation.
A clinical trial of 60 people in the facility is underway at the Auckland City Hospital in New Zealand. The results show that the efficiency of the device is 96% to 97%.
Source: Kexun Medical Network
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