专利名称：CATHETER IN PARTICULAR FOR THE
DELIVERY OF A THERAPEUTICALLY ACTIVESUBSTANCE
发明人：BOUSSIGNAC, GEORGES,LAGARDE, VINCENT申请号：EP97923138.0申请日：19970506公开号：EP0897309A1公开日：19990224
摘要：The invention features a catheter particularly for the delivery of a
therapeutically active substance comprising a catheter body and an inflatable structurecomprising three inflatable elements and a diaphragm fixed to these elements anddefining with them, a passage duct for the body fluid and a sealed cavity to contain atherapeutically active substance. The said first (3), second (4) and third (7) inflatableelements are made of one preformed piece consisting of a helically coiled tube, the saidthird element (7) being constituted by one or more turns of the coil, the diameter of thesaid tube at the portion constituting the third element being less than the diameter ofthe said tube at the tube portions constituting the said first and second elementsrespectively and intended to rest against the internal wall of the said body duct; the saidcatheter body is disposed inside the coil of the said tube, in the abovementioned duct.This invention is useful in the preventive treatment of restenosis.
申请人：LABORATOIRES NYCOMED S.A.
地址：Centre d'Affaires et d'Activités Tolbiac-Massena, 25, quai Panhard et Levassor,CE No 19 75644 Paris Cédex 13 FR
国籍：FR
代理机构：Hubert, Philippe
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