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Thiết bị giãn nở Balloon tốt nhất là được thực hiện với một ống nội soi kênh lớn. Phụ kiện khác bao gồm những quả bóng khí nén. Đây là những làm bằng polyethylene không tuân thủ với hai loại có sẵn. Một loại đi qua một guidewire trong khi các loại khác | FUNDAMENTALS OF ERCP 77 Fig. 3.28 Balloon dilation and bilateral Z-Stent for hilar obstruction. Dual guidewires. Balloon dilation of right and left hepatic duct stricture. Z-Stent inserted into left hepatic duct and then right hepatic duct. balloonhasbeenemployed tofacilitate removal ofsmallCBDstones without a sphincterotomy. Equipment Balloon dilation is best performed with a large channel endoscope. Addilianai eceeiseriestneiudt thepntooiatitbaho ons.Theseartma de nttion-conspiiaot nnlyethylene with two types available. One type goes over a guidewire while the other type the TTS through-the-scope balloon does not require aguibswire. BaSons c ome inditOerentsizesandlbngtal 0 epotlimm in diamslsrsnd2nr emltmg. i OtoreeMoeApri one ptsersenoeo tse isno s iMonton7 ulin yfcalin tes0n ttni OuctioeoOtaree Oellsan talhttersaa o oxchancsof aaoeetoriec. A fletibk win i aiiiswieeisiarerted with tto help of a catheter and negotiated through the stricture. The catheter is removed and the dilation balloon is railroaded over the guidewire anrosslhceSrlstime.Tnebclloonisoositiocodronhatshn strinbsssOns rtthemi0pamlof1 heaeiiono. Ohapreseilsaofrndiopequemarnerehclps io OositieniegshebaHo en. rent rt - This is trial version WWW. adultpdf. com 78 CHAPTER 3 The balloon is then inflated with dilute 10 contrast and the pressure rdjustedaccord.ug to the type of balloon end the manufacturer s recommend.-tion. The dilation is performed under fluoroscopy and a waist is seen at the midpoint of the balloon upon inflating the balloon. Effective dilation is achieved when thewaistdisappears. The patient map experience paindariag insufflation ofthe balloou-The bel-p onus tiaa dal epithodiiU stfos S f tlfi adehengeaaW d.ItisS c rpl tn ruigeetatdo XallooneadeeSeShaoaeningaressaoewhensht waisS dlsaxpea-g ensOeXu lloomWite succossful dilation the opening pressure should be lower withnepeah saiatioir. Tie baSiooe isfgonaompteteiy dafleted tPa guiaowite remddfd endoonrrast niad r iSgi feti ii l í llei
