New heart stent that can be absorbed by the body
Release date: 2015-06-01
According to statistics, about 500,000 Americans receive stent-supporting surgery each year due to plaque coronary artery stenosis. However, surgery is not foolproof. Sometimes the patient will occasionally be blocked after the operation. Related articles published in the journal ACS Nano have documented a new multifunctional cardiac stent that minimizes the risk to patients throughout the treatment process. The new stent can sense the flow of human blood and the temperature of human blood, and can analyze the information stored and transmitted in the human body, and finally can be absorbed by the human body after completing its mission.
It has been 30 years since doctors around the world implanted stents to clear the coronary arteries. During this time, changes in the heart stent device evolved from bare metal, mesh tubes to envelope stents that prevent restenosis and release the drug. But even this can cause health risks. So researchers have been working on scaffolds that the body can absorb and reduce the risk of thrombosis. Now Dae-Hyeong Kim Seung, Seung Hong Choi, Taeghwan Hyeon? and colleagues are taking further steps to study such absorbable stents.
Researchers have independently developed and tested a drug-releasing electronic stent device in animals that provides diagnostic feedback by measuring blood flow (lower blood flow when the artery begins to narrow). The stent device can also command warming to accelerate drug diffusion and dissolve in the body once it is no longer needed by the body.
Source: Bio Valley
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