| 摘要 |
A deployment system for a medical device comprising a guidewire; a rapid exchange sheath having a first end, a second end, and a lumpen therebetween; a stent deployment catheter having a proximal end, a distal end and a lumen therebetween, wherein the distal end of the stent deployment catheter has a stent placed thereon in a collapsed state and the proximal end thereof includes an actuating mechanism for the stent, said actuating mechanism capable of placing the stent in an expanded state; a support wire disposed in the lumen of the stent deployment catheter; and a filter including a porous mesh carried by the support wire, said filter having a compressed state and an expanded state, wherein the deployment system has a first configuration in which the stent in a collapsed state, the filter in a collapsed state, and the stent deployment catheter are disposed within the rapid exchange sheath and a second configuration in which the filter is disposed distal of the stent deployment catheter and the sent placed on the stent deployment catheter is disposed distal of the distal end of the rapid exchange sheath.
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