介入中球囊及支架的应用.ppt

冠状动脉介入治疗的球囊和支架的应用冠状动脉介入治疗球囊的选择球囊分类球囊的结构球囊尖端球囊球囊性能球囊操作要领预扩张后扩张不同类型病变的球囊选择不同类型病变的球囊选择常用的球囊特点Maverick®PTCABalloonCathetersApex™PTCADilatationCatheterQuantum™Maverick®BalloonQuantum™Maverick®BalloonNCsprinterRuginVoyagerPowersailSafeCutusesdualwiremechanismtocreate
focusedforce.Ithasabuilt-in0.011integral
wireexternaltotheballoontohelptrack
tortuousvesselswithgreatefficiency.
Astandard0.014guidewirethatdeliversthe
cathetertothetargetlesionalsoparticipates
inthedilatationprocess.Theguidewireexit
portislocatedattheproximalpartoftheballoon.
Duringballoondilatation,thestandardguidewireandintegralwireapplycontrolledforcetofacilitateplaquefracturesatlowinflationpressures.Thesameapplicationalsohelpsminimizeballoonslippage.
SafeCut'sdistalleadingtipprofileis0.032"taperedto0.028"whichissmallerthanthoseofotherfocusedforceballoons.
Balloonswithembeddedbladesforscoringthevesselhavehighcrossingprofilesduetothenatureoftheballoonmaterialsandblades.
Theintegralwireandstandardguidewireapplyevenlydistributedforcetofacilitatecontrolledplaqueatlowpressures,reducingtraumatothevesselwall.
Otherballoonsusingthesamefocusedforcetechnologyusebladeswhicharemuchmoretraumatictothevesselwall.CuttingBalloon冠状动脉介入治疗支架的选择冠状动脉支架广泛应用的原因支架分类支架的性能特点支架的开环和闭环设计网眼大小微米金属动脉比值支架可视性裸金属支架选择原则CordisConfidential-InternalUseOnlyDES与BMS的比较DES与BMS的比较RecommendationACC/AHA2005GuidelineforPCIACC/AHA2005GuidelineforPCI预扩张药物支架选择和扩张支架选择和展开药物支架选择和展开后扩张IVUS的重要性目前常用的药物支架特点CYPHER®Sirolimus-elutingCoronaryStentTAXUS®Express²®CoronaryStent316L不锈钢材料
支架梁厚度–0.0038”
尖端外廓–0.017”
通过外廓–0.047”**

支架平台比较血管覆盖命名压力Driver独特设计带来优异的Endeavor输送平台PolymerCoatingMinimalinjuryMinimizingstrutandpolymerthicknessExcel药物支架Partner支架谢谢