Fluxgate can replace SQUID for lung diagnostics
SENSORS, 2002 IEEE - Tập 1 - Trang 321-324 vol.1
Tóm tắt
In this paper, a design of a magnetic fluxgate gradiometer and its application for magnetopneumography is described. Metallic dusts and fumes inhaled by industrial grinders and welders and deposited in their lungs can be magnetized by an intense DC field and subsequently detected by magnetometry. Traditionally, SQUIDs are used for such measurements. However, much cheaper fluxgate solution can bring useful results, as shown in this paper. The conducted in vitro and in vivo experiments have demonstrated the possibility of using this method for screening of professionals. Due to large variations in magnetic properties of coal dusts, this method is not suitable for examination of miners.
Từ khóa
#SQUIDs #Lungs #Saturation magnetization #Magnetic field measurement #Coils #Magnetic sensors #Magnetic cores #Public healthcare #Grinding machines #WeldingTài liệu tham khảo
10.1109/20.706529
10.1016/0924-4247(92)80159-Z
10.1109/TMAG.1982.1062174
10.1088/0022-3735/22/6/003
freedman, 1980, Non-invasive magneto-pneumographic estimation of lung dust loads and distribution in Bituminous coal workers, Journal of Occupational Medicine, 22, 613
ripka, 2000, Race-track fluxgate with adjustable feedthrough, Sens Actuators, 85, 227, 10.1016/S0924-4247(00)00394-0
10.1016/S0924-4247(96)01439-2
10.1016/S0924-4247(99)00087-4
10.1109/TMAG.1982.1061822
ripka, 2000, Magnetic lung diagnostics using fluxgate, Imeko World Congr, vii, 101
10.1109/TMAG.1975.1058698