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DRUG DELIVERY AND DILATION-DRUG DELIVERY CATHETERS IN A RAPID EXCHANGE CONFIGURATION
DRUG DELIVERY AND DILATION-DRUG DELIVERY CATHETERS IN A RAPID EXCHANGE CONFIGURATION
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机译:快速交换配置中的药物输送和稀释药物输送导管
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摘要
Catheters for drug delivery or for both dilatation and drug delivery are provided with a guide wire lumen (14) terminating withinthe catheter shaft (12) and having an opening through the catheter shaft (12) to enable a guide wire (28) to exit the catheter shaft (12)substantially distal to the proximal end of the catheter. In one embodiment, drug delivery ports (36) are provided between occlusionballoons (22, 24). In another embodiment, a dilatation balloon (120) is also provided between the occlusion balloons (22, 24). In anotherembodiment, a double layered balloon is provided to simultaneously dilatate the stenosis and deliver medication to the site. Alternatively,a balloon can be provided which only delivers medication.
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