Cypher is a brand of drug-eluting coronary stent from Cordis Corporation, a Johnson & Johnson company. A drug-eluting stent is a Coronary stent (a scaffold placed into narrowed diseased coronary arteries that slowly releases a Drug to block cell CORDIS, the Community Research and Development Information Service, is an information resource dedicated to European research and development activities Johnson & Johnson ( is a global American Pharmaceutical, Medical devices and consumer packaged goods Manufacturer founded in 1886 During a balloon angioplasty, the stent is inserted into the artery to provide a "scaffold" to open the artery. Angioplasty is the technique of mechanically widening a narrowed or totally obstructed Blood vessel; typically as a result of Atherosclerosis. An anti-rejection-type medication, sirolimus, helps to limit the overgrowth of normal cells while the artery heals which reduces the chance of re-blockage in the treated area known as restenosis, and reduces the chances that another procedure is required. Sirolimus ( INN) is a relatively new immunosuppressant drug used to prevent rejection in organ transplantation, and is especially useful in Kidney Restenosis literally means the re occurrence of Stenosis. This is usually restenosis of an Artery, or other Blood vessel, but possibly ^[1]

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