Methods and apparatus for ultrasonic determination of red...

Chemistry: analytical and immunological testing – Composition for standardization – calibration – simulation,... – Particle count or volume standard or control

Reexamination Certificate

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C436S063000, C436S066000, C436S070000

Reexamination Certificate

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07838296

ABSTRACT:
The present invention provides an apparatus and method for measuring the properties of blood using ultrasound. The present invention is particularly suitable for measuring HCT, HGB, MCV, RBC, MCHC, MCH or TPC of blood.

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Shung, Koping Kirk, On the ultrasound scattering from blood as a function of hematocrit, IEEE Transactions on Sonics and Ultraconics, vol. SU-29, No. 6, Nov. 1982.
Shung, K.K. et al., Accoustic measurement of erythrocyte compressibility, J.Acoust.Soc. Am. 72(5), Nov. 1982.

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