随着近代物理学和计算机科学的迅速发展,人们对生命现象的认识逐步深入,物理学的基础和方法在医学研究和实践中也越来越广泛。本文精选一组与医疗器械有关的问题加以说明。图1电子血压仪测量血压的电子血压仪有一个压力传感器,薄金属片P固定有4个电阻R1、R2、R3、R4,图1是它的 With the rapid development of modern physics and computer science, people’s understanding of the phenomenon of life is gradually deepened. The basis and methods of physics are also more and more widely used in medical research and practice. This article highlights a set of medical device-related issues to illustrate. Figure 1 electronic blood pressure meter Blood pressure measurement of blood pressure instrument has a pressure sensor, thin metal plate P fixed with four resistors R1, R2, R3, R4, Figure 1 is its