INTRALUMINAL WALL DRUG DELIVERY DEVICE

摘要

The invention relates to an apparatus for delivering a medicament into an injection site in or beyond a vessel wall or vessel obstruction including an intraluminal catheter containing: at least one puncturing element; an ultrasound emitter located in the proximity of the extendable puncturing element(s); and an introducer element that introduces the medicament into an injection site that is in or beyond the vessel wall, but within a portion of the vessel wall that has been penetrated by the puncturing element. The invention also relates to methods for treating a stenosis or obstruction in a vessel, and methods for creating a stenosis or obstruction in a vessel.