Laser Doppler Perfusion Monitoring (LDPM) | 合法醫療器材資訊網
Laser Doppler perfusion monitoring measures the total local microcirculatory blood perfusion including the perfusion in capillaries (nutritive flow), arterioles, venules and shunting vessels. The definition of perfusion is the concentration of red blood cells times their average velocity. Perfusion reflects the total flow activity, i.e. all motion of red blood cells in the tissue volume, rather than a net flow through the sampling volume. The LDPM technique is based on the emission of a beam of laser light carried by a fiber-optic probe.
The light is scattered and partly absorbed by the tissue being studied. Light hitting the moving red blood cells undergoes a change in frequency (Doppler shift) while light hitting static objects is unchanged. The magnitude and frequency distribution of these Doppler shifts are directly related to the number and velocity of red blood cells in the samp...
All-in-one simultaneous assessment | 合法醫療器材資訊網
Heat controlled laser doppler to determine the ... | 合法醫療器材資訊網
High | 合法醫療器材資訊網
Laser Doppler Perfusion Monitoring (LDPM) | 合法醫療器材資訊網
PeriFlux 50006000 laser doppler monitoring of ... | 合法醫療器材資訊網
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PeriFlux 6000 Laser Doppler | 合法醫療器材資訊網
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