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Single-use flexible ureteroscopes: Comparative in vitro analysis of four scopes

Asian Journal of Urology 2023年第1期10卷 64-69页

作者： Abhijit Patil Shashank Agrawal Rohan Batra Abhishek Singh Arvind Ganpule Ravindra Sabnis Mahesh Desai Department of Urology Muljibhai Patel Urological HospitalNadiadIndia

Objective:Single-use flexible ureteroscopes(fURSs)have recently been introduced by different *** of this in-vitro study was to compare four ***:We performed in vitro analysis of Uscope 7.5 Fr and Uscope 9.5 Fr(Pusen Ltd.,Zhuhai,China),LithoVue 9.5 Fr(LithoVue,Boston Scientific,MA,USA),and indoscope 9.5 Fr(Bioradmedisys,Pune,India).Optical characteristics(image resolution,color representation,and luminosity)were compared at various distances of 10 mm,20 mm,and 50 *** and irrigation were evaluated with and without ***:Color perception was comparable for all scopes at 10 mm(pindoscope 9.5 Fr at the distances of 20 mm and 50 *** scopes were statistically better than both Uscopes at the distances of 20 mm and 50 *** resolution powers were comparable amongst all fURSs at the distances of 10 mm and 20 mm(3.56 line pairs per millimeter[lp/mm]).However,indoscope(3.56 lp/mm)was superior to LithoVue and Uscope scopes(3.17 lp/mm)at the distance of 50 *** at the distance of 10 mm was comparable for LithoVue and Uscope 9.5 ***,at the distances of 20 mm and 50 mm,LithoVue had the highest luminosity while Uscope 7.5 Fr had the lowest *** had lower luminosity than other 9.5 Fr scopes at all *** empty working channel and 200 mm laser fiber,indoscope had the maximum deflection(285).With basket,Uscope 7.5 Fr had the maximum loss of deflection(30)while indoscope had no deflection *** empty working channel,all scopes had comparable irrigation flow rates in both deflected and undeflected ***,with 200 mm laser or basket,irrigation flow rates were comparable in all ***:Color representation was equivalent for indoscope and LithoVue,while being better than Uscope 7.5 Fr and Uscope 9.5 *** resolution was comparable in all scopes at the distances of 10 mm and 20 *** the distance of 10 mm,luminosity of LithoV

关键词： Single-use Disposable Flexible ureteroscopes In vitro Pusen LithoVue indoscope

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