https://www.selleckchem.com/pr....oducts/daurisoline.h
am intervention for refractory AP patients, the lack of internal validity of the studies undermines the partially positive results. The significance of the distal tip extension mechanism (DTEM) arises when the insertion tube of the colonoscope is no longer able to move further inside the colon, and when a longer insertion tube is needed. The main focus of this research is to investigate the development of a novel distal tip extension mechanism (DTEM). To characterize the performance of the DTEM, the ability of the DTEM to extend the