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          hotspot  
          
                                   
                 
                                      author：hotspot   
                                        
                                      
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browse：9444
                                  
                                    
          
                                    
            
          
 
          A medical device to treat below-the-knee chronic limb-threatening ischemia, Esprit BTK resorbable scaffold, is shown consisted of pieces of geometric shapes that lined up into a pipe on a blue background — health tech coverage from STAT
          Cardiovascular doctors are optimistic about Abbott’s new below-knee stent that disappears into the blood vessel’s walls over the course of three years.																									Courtesy Abbott
          An Abbott device that failed in heart disease patients is getting a new life in patients with severe vascular disease.
          The device is a below-knee stent that widens clogged blood vessels, and then vanishes into the vessel’s walls over the course of three years. It also delivers a drug that prevents scar tissue from forming — a common risk factor with traditional metal stents that further narrow the vessel.
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          Abbott’s first dissolvable stent, for coronary artery disease, received Food and Drug Administration approval in 2016. But the company voluntarily pulled the product from the market just over a year later due to “low commercial uptake.” The device also received mixed results in clinical trials.
          STAT+ Exclusive Story
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          Unlock this article — and get additional analysis of the technologies disrupting health care — by subscribing to STAT+.
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