JournalofNeuroradiology，NeuroInterventionalVideo(NIV)。
Usingthesandwichtechniqueforthetreatmentofsigmoidsinusdiverticulumcausingpulsatiletinnitus。
uses，，ovasculartreatmentscheme。
Initially，weplannedtou。
6FrNeuroMaxlongsheath，"205cmmicroguidewire。
6FrNavienintermediatecatheter，ExcelsiorXT-27microcatheter。
"200cmmicroguidewire，Precisestent(8mmx40mm)。
Echelon-10microcatheter，AxiumQC12mmx40cm(Failuretoplaceintothediverticulum，retrieval)。
ovascularsteps：microwireandmicrocatheterthroughthelesion。
A6Flongsheathlinedwitha6FNavienintermediatecathetercoaxiallyenter。
·therightintrnaljigularvein，andaSynchro-14microguidewireguidesanXT27microcathetersuperselectivelyintothesuperiorsagittalsinus.·GuidingNavienintotherighttransversesinus.·TheTransmicroguidewireguidesthePrecisestentintotheNavienandpositionsitintheneckofthediverticulum.·DeploythePrecisestenttocovertheneckofthediverticulum.·ovascularsteps：attempttofillthecoil.·TheSynchro-14microguidewireissuperselectedthroughthestentmeshintothediverticulum.·TheSynchro-14microguidewireguidestheEchelon-10microcatheterintothediverticulum.·Werepeatedlytriedtofillthefirstcoilintothediverticulum，butthecoilleakedthroughthemeshofthestentintothevenoussinus.·Therefore，weeventuallyretrievedthecoil.·DuetothelargemeshofthePrecisestent，thecoilscouldnotbestablybasketwithintheSolitairestent，theso-calledsandwichtechnique.·ovasculartreatmentdevices(2)：
→Solitairestent(6mmx30mm)：AxiumQC8mmx30cm，AxiumQC5mmx20cm，AxiumQC12mmx40cm，AxiumQC10mmx30cm。
→ovascularsteps：preparetodeploytheSolitairestent，Synchro-14microguidewirere-guidedXT-27microcatheterdeliveryint：，thetipoftheEchelon-10microcatheterwasejected，：feandeffective，：
1)FixingtheEchelon-10microca)TheSolitaireStentandthePreciseStentfora"double-insurance"systemthatincreasesthemeshdensityandpreventsthecoilsfromleakingthroughthemeshofthestentintoThesandwichtechniquecanserveasanalternativetreatmentstrategyiasingl：238-243./。
，231325.dois。
，。
10.1136/nis-2023-020981。
YangIHPere'raVM，Lenck，enous。
10.1136/neurintsurg-2019-014725。
：14：920-924./neurintsurg-2020-016937。
