B -ultrasound experimental instrument consists of B -ultrasound instrument display and ultrasonic probe，XF218 type B ultrasonic diagnostic (hereinafter referred to as instrument) uses 3.5MHz electronic convex array probe，variable pores、Dynamic change、Multi -segment electronic focus、Dynamic filter、Compression blackjack online of numbers、Image enhancement、Line related、Frame -related、points related、Linear interpolation and other advanced full digital image processing technology; with type B、4b、B/B、B+M、M -type multiple appearance mode，It also has × 0.8 when type B、× 1.0、× 1.2、× 1.5、× 1.8、× 2.0 6 zooming rates and can move deeply; with 128 image permanent power cutting storage functions with large capacity， 256 images for diagnosis can be played in real time after diagnosis or viewing the image in real time，It is more convenient for clinical diagnosis and use; with distance、area、Week length、Heart rate、Gynecological Week (BPD、GS、CRL、FL、AC five blackjack online ways) and other measurements、Calculation software function; with Chinese and English conversion、16 pseudo -color treatment、Real time clock、Medical record number、Multiple human tags、A variety of annotations such as full screen characters comments; the instrument uses large -scale integrated circuit FPGA、Large -capacity memory、Surface installation technology，Advanced production technology，Stable performance，Let the ultrasound doctor experience more reliable quality brought by the ultrasound。