目的:探讨压舌板辅助手法放置可弯曲喉罩的可行性。方法:选择拟于可弯曲喉罩全麻下行择期手术的患者64例,性别不限,年龄18~80岁,ASAⅠ~Ⅲ级。采用随机信封法将其分为标准手指引导组和压舌板辅助组,每组32例。分别记录两组喉罩置入时间...目的:探讨压舌板辅助手法放置可弯曲喉罩的可行性。方法:选择拟于可弯曲喉罩全麻下行择期手术的患者64例,性别不限,年龄18~80岁,ASAⅠ~Ⅲ级。采用随机信封法将其分为标准手指引导组和压舌板辅助组,每组32例。分别记录两组喉罩置入时间、口咽部泄露压、纤维支气管镜视野评分和首次置管成功率及术后24 h内咽痛的发生情况。结果:最终62例患者的资料纳入统计分析,标准手指引导组31例、压舌板辅助组31例。压舌板辅助组患者纤维支气管镜视野评分高于标准手指引导组( Z =-4.241, P <0.001);压舌板辅助组口咽部泄露压高于标准手指引导组( t =-4.474, P <0.001)。与标准手指引导组患者相比,压舌板辅助组置管时间较长( t =-15.171, P <0.001)。压舌板辅助组首次置管成功率(100%)与标准手指引导组(93.55%)差异无统计学意义。两组患者术后24 h内均未发生咽痛情况。结论:压舌板辅助法置入可弯曲喉罩可明显提高喉罩对位准确率,提高喉罩口咽部密闭性,且不增加术后咽痛的发生率,值得在临床工作中推广应用。展开更多
The remarkable ability of geckos to climb and run rapidly on walls and ceilings has recently received considerable interest from many researchers.Significant progress has been made in understanding the attachment and ...The remarkable ability of geckos to climb and run rapidly on walls and ceilings has recently received considerable interest from many researchers.Significant progress has been made in understanding the attachment and detachment mechanisms and the fabrication of articulated gecko-inspired adhesives and structured surfaces.This article reviews the direct experiments that have investigated the properties of gecko hierarchical structures,i.e.,the feet,toes,setae,and spatulae,and the corresponding models to ascertain the mechanical principles involved.Included in this review are reports on gecko-inspired surfaces and structures with strong adhesion forces,high ratios of adhesion and friction forces,anisotropic hierarchical structures that give rise to directional adhesion and friction,and“intelligent”attachment and detachment motions.展开更多
文摘目的:探讨压舌板辅助手法放置可弯曲喉罩的可行性。方法:选择拟于可弯曲喉罩全麻下行择期手术的患者64例,性别不限,年龄18~80岁,ASAⅠ~Ⅲ级。采用随机信封法将其分为标准手指引导组和压舌板辅助组,每组32例。分别记录两组喉罩置入时间、口咽部泄露压、纤维支气管镜视野评分和首次置管成功率及术后24 h内咽痛的发生情况。结果:最终62例患者的资料纳入统计分析,标准手指引导组31例、压舌板辅助组31例。压舌板辅助组患者纤维支气管镜视野评分高于标准手指引导组( Z =-4.241, P <0.001);压舌板辅助组口咽部泄露压高于标准手指引导组( t =-4.474, P <0.001)。与标准手指引导组患者相比,压舌板辅助组置管时间较长( t =-15.171, P <0.001)。压舌板辅助组首次置管成功率(100%)与标准手指引导组(93.55%)差异无统计学意义。两组患者术后24 h内均未发生咽痛情况。结论:压舌板辅助法置入可弯曲喉罩可明显提高喉罩对位准确率,提高喉罩口咽部密闭性,且不增加术后咽痛的发生率,值得在临床工作中推广应用。
基金the Natural Science Foundation of China(Grant Nos.51175281 and 51021064)。
文摘The remarkable ability of geckos to climb and run rapidly on walls and ceilings has recently received considerable interest from many researchers.Significant progress has been made in understanding the attachment and detachment mechanisms and the fabrication of articulated gecko-inspired adhesives and structured surfaces.This article reviews the direct experiments that have investigated the properties of gecko hierarchical structures,i.e.,the feet,toes,setae,and spatulae,and the corresponding models to ascertain the mechanical principles involved.Included in this review are reports on gecko-inspired surfaces and structures with strong adhesion forces,high ratios of adhesion and friction forces,anisotropic hierarchical structures that give rise to directional adhesion and friction,and“intelligent”attachment and detachment motions.
