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2018中国汽车工程学会年会

作者： CHEN Biao LI Jun WANG Renquan Sichuan Vocational and Technical College of Transportation Sichuan University

We have researched the effects of the temperature,punch chamfer radius and the degree of deformation on microstructure and magnetic properties of backward extruded Nd-Fe-B radiation-orientedmagnetic *** the back-extrusion process for Nd-FeB radiation-oriented magnetic *** that the additional stress caused by the difference of the rheological velocity between the inner and outer sides of the cylinder wall during the back-extrusion process is the main reason of periodic cracks inside the magnetic ring.

关键词： micro-motor Nd-Fe-B radiation orientation magnetic ring preparation process

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A new veno-venous bypass type for ex-vivo liver resection in dogs

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Hepatobiliary & Pancreatic Diseases International 2013年第4期12卷 436-439页

作者： Peng Lei Shi-Qi Liu Xiao-Hai Cui Yi Lv Ge Zhao Jian-Hui Li Department of Hepatobiliary Surgery First Affiliated Hospital School of Medicine Xi'an Jiaotong University

Ex-vivo liver resection is a procedure in which the liver is completely removed, perfused and after bench surgery, the liver is autotransplanted to the original site. Ex vivo liver resection is an important treatment for unresectable liver tumors. This surgical procedure requires long operation time, during which blood flow must be carefully maintained to avoid venous congestion. An effective veno-venous bypass (VVB) may meet this requirement. The present study was to test our new designed VVB device which comprised one heparinized polyvinylchloride tube and three magnetic rings The efficacy of this device was tested in five dogs. A VVB was established in 6-10 minutes. There was no leakage during the procedure. Hemodynamics was stable at anhepatic phase, which indicated that the bypass was successful. This newly-developed VVB device maintained circulation stability during ex-vivo liver resection in our dog model and thus, this VVB device significantly shortened the operation time.

关键词： veno-venous bypass ex-vivo liver resection liver autotransplantation magnetic ring

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