经皮桡动脉套管插入术已成为测量直接血压(direct blood pressure)和为做血气分析采动脉血样的常规方法,通常在手腕掌面侧方穿刺桡动脉。此法的并发症——穿刺部位血栓形成是众所周知的,如继而发生掌浅弓栓塞,则会发生显著的手指缺血。为减少手指缺血的危险,作者设计了一种在“解剖学鼻烟壶” Percutaneous radial arterial cannulation has become the routine method of measuring direct blood pressure and arterial blood sampling for blood gas analysis, and the radial artery is usually punctured to the side of the wrist. Complications of this procedure - thrombosis at the puncture site is well known, such as followed by the occurrence of palm-arch embolism, there will be significant finger ischemia. To reduce the risk of finger ischemia, the author designed a “snuff bottle”