髂股靜脈腔內(nèi)介入治療器械優(yōu)選方案課件

髂股靜脈病變腔內(nèi)介入治療

器械優(yōu)選方案7,105BreadthofProductsPeripheralVascularStockandNonstock髂股靜脈疾病嚴(yán)重降低患者生活質(zhì)量嚴(yán)重的下肢腫脹酸脹疼痛等不適感頑固性潰瘍合并感染形成繼發(fā)靜脈曲張歐美國家多所臨床中心

已應(yīng)用腔內(nèi)介入技術(shù)進(jìn)行治療工欲善其事必先利其器一款專用的髂股靜脈支架符合病變條件需要的全尺寸球囊一套完好的通路系統(tǒng)何謂專業(yè)的髂股靜脈支架特性規(guī)格鎳鈦合金材質(zhì)激光雕刻開環(huán)支架14/16mm

直徑60/100/140mm

長度Weconsideredlumendiameterasfollows:24-mmIVC16-mmcommoniliacvein14-mmexternaliliacvein12-mmcommonfemoralvein.關(guān)于血管解剖直徑的推薦Stentswereoversized2mmcomparedwithcontralateralhealthyvenoussegmentdiameter.良好的柔順性至關(guān)重要Horizontaldirectionofleftcommoniliacvein

resultingearlyin-stentthrombosisduetoturbulentflowwhensingleobliquestentplaced由于支架植入后的水平方向上髂總靜脈血管傾斜，可能導(dǎo)致早期的血栓形成良好的柔順性至關(guān)重要長期耐受前方髂動脈的搏動擠壓順應(yīng)髂靜脈的生理彎曲跨腹股溝韌帶金屬抗疲勞性能ZilverFlex支架能夠受4億次的搏動循環(huán)，支架上的支柱應(yīng)無斷裂，支架應(yīng)保持一個完整性連接結(jié)果非重疊支架在可擴(kuò)張靜脈徑向負(fù)載、軸向負(fù)載、彎曲負(fù)載和May-Thurner負(fù)載條件下的疲勞：疲勞安全系數(shù)>1.0ZilverVena金屬抗疲勞性能合格可擴(kuò)張靜脈徑向負(fù)載：3.9

軸向負(fù)載：5.0彎曲負(fù)載（胯關(guān)節(jié)）：2.4

May-Thurner負(fù)載：4.2合格ZilverFlexZilverVena20

PatientstreatedforiliacfemoralvenousobstructionbetweenJanuary2011andDecember2012wereretrospectively.StentsextendedintoIVCin9patientsandundertheinguinalligamentin13

patients.IncomparisontotheWallstent,theZilverVenaisabletobemoreaccuratelypositioned,doesnotforeshorten,andutilizesasmallersheath.Iliofemoralvenousstentingextendingintothefemoralregion:clinicalexperiencewiththepurpose-designedZilverVenastentG.J.O’SULLIVAN臨床應(yīng)用相關(guān)報道支架定位不該成為困擾支架定位不該成為困擾東直門醫(yī)院左髂靜脈閉塞病例，術(shù)中可見左髂總靜脈開口處病變。予以ZilverVena治療徑向支持力的優(yōu)勢體現(xiàn)平臺特性Zilver

支架設(shè)計平臺獨(dú)特設(shè)計使得其徑向支持力遠(yuǎn)遠(yuǎn)大于同規(guī)格動脈支架徑向支持力的優(yōu)勢體現(xiàn)typicalappearanceofapostthromboticveinafteraxialphlebotomythefibroticscartissueresultingfromalongstandingclotissurgicallyshavedfromtheveinwall.

徑向支持力的優(yōu)勢體現(xiàn)Occlusivelesionswerefoundin26limbs(63%;occlusive/stenoticlesionsratio,1.7:1).Overallproceduresuccesswas95%.Successwasachievedinallstenoticlesions.Twolimbswithocclusivelesionswerenotrecanalizedafterthreeattempts.通路系統(tǒng)的重要性Endovasculartreatmentofiliofemoralchronicpost-thromboticvenousflowobstructionKCFW-8.0-38-RBCXI-4.0-35-90-P-NS-0HPWA-35-180ATB5-35-80/120-14-4.0/2.0器械搭配推薦KCFW-8.0-38-RBTHSF-35-180-AESATB5-35-80/120-1