Heart stents use stainless steel, nickel-titanium alloy or cobalt-chromium alloy.
Cardiac stents, also known as coronary stents, are medical devices commonly used in cardiac interventional procedures to unblock arterial blood vessels. The main materials are stainless steel, nickel-titanium alloy or cobalt-chromium alloy. It first appeared in the 1980s, and has undergone the development of metal stents, drug-coated stents, and bioabsorbable stents.
Based on the different designs of stents, they can be divided into mesh stents, tubular stents, winding stents, and ring stents. According to the different materials of the stents, they can be divided into 316L stainless steel stents, nickel stents, tantalum stents.
Extended information:
Multiple media outlets have investigated and found that the price premium for medical consumables is usually five times, and the premium for cardiac stents has peaked at eight to nine times the factory price.
In addition to production costs, research and development expenses, manufacturers' profits, and hospital markups and surgical fees, the markups occur mainly in the distribution chain.
It is understood that a cardiac stent from the manufacturer to the hands of consumers, to go through the exclusive agent, provincial distributors or subregional distributors of municipalities, hospitals and other links, each link markup is about 20%, the more links the higher the price.
Baidu Encyclopedia - Heart Stents
People's Daily Online - Facing up to the questions surrounding heart stents