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Gradient Coil don MRI

Takaitaccen Bayani:

Ana iya daidaita girman gwargwadon buƙatun abokin ciniki.


  • Ƙarfin filin gradient:

    25mT/m

  • Tsarin layi:

    < 5%

  • Lokacin tashi:

    0.3ms

  • Ƙimar sauyawa:

    ≥80mT/m/ms

  • Bayanin samfur

    Alamar samfur

    Gabatarwar samfur

    A cikin tsarin binciken MRI, aikin murfin gradient galibi shine don gano rikodin sararin samaniya. Lokacin bincika hoton, muryoyin gradient na X, Y, da Z suna aiki tare don yin zaɓin yanki, rikodin mitar da rikodin lokaci bi da bi. Lokacin da ake wucewa ta cikin waɗannan muryoyin an ƙirƙiri filin magnetic na biyu. Wannan filin gradient yana ɗan karkatar da babban filin magnetic a cikin yanayin da ake iya faɗi, yana haifar da yawan jujjuyawar protons don canzawa azaman aikin matsayi. Babban aikin gradients, saboda haka, shine ba da izinin rikodin sararin samaniya na siginar MR. Rigunan gradient suma suna da mahimmanci ga ɗimbin fasahohin "physiologic", kamar MR angiography, watsawa, da hoton turare.

    A lokaci guda, madaidaicin murfin yana da alhakin aikin shimming da anti-eddy na yanzu

    Kamfaninmu yana ba da murɗaɗɗen faranti mai fa'ida tare da kyakkyawan aiki, wanda zai iya biyan bukatun amfani.

    Daga mahangar tsarin, wannan ɗigon ɗigon ɗin yana da X, Y, Z coils gradient uku, mai sauƙin haɗawa, kuma ana iya sanye shi da tsarin sanyaya ruwa, wanda zai iya kwantar da murfin gradient da kyau kuma ya sanya hoton hoto. karin kwanciyar hankali;

    Hakanan za'a iya tsara shi azaman murfin murfin kariya mai ƙarfi don ƙara rage ƙarfin eddy daga tushen. Domin hanya mafi inganci da za a iya sarrafa magudanar ruwa ita ce ta hana a fara samar da magudanan ruwa. Wannan shi ne dalili na haɓaka gradients mai aiki (garkuwar kai); ana amfani da na yanzu a cikin garkuwar garkuwar don gudu a kishiyar hanya zuwa hoton gradient hoto don rage raƙuman ruwa. Gilashin gradient da aka yi ta wannan hanyar amintacce ne kuma mai dorewa.

    Siffofin fasaha

    1. Ƙarfin gradient: 25mT/m

    2. Tsayin layi: <5%

    3. Lokacin tashi: ≥0.3ms

    4. Canjin canjin: ≥80mT/m/ms

    Ana iya daidaita girman gwargwadon buƙatun abokin ciniki


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