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Ikhoyili yeGradient yeMRI

Inkcazo emfutshane:

Ubungakanani ungenziwa ngemfuneko ngokweemfuno zabathengi.


  • Amandla endawo egreyidi:

    25mT / m

  • Umgca wecala:

    < 5%

  • Rise ixesha:

    ≥0.3ms

  • Ukutshintsha izinga:

    ≥80mT / m / ms

  • Iinkcukacha Product

    Iimpawu zemveliso

    Intshayelelo yeMveliso

    Kwinkqubo yokuvavanywa kweMRI, umsebenzi wekhoyili yegradient ikakhulu kukuqonda ukufakwa kwikhowudi kwendawo. Xa uskena umfanekiso, i-X, Y, kunye ne-Z zendlela ezintathu zegradient zisebenza kunye ukwenza ukhetho lwesilayidi, ukukhowuda rhoqo kunye nekhowudi yokufaka iikhowudi ngokulandelelana. Xa okwangoku kugqityiwe kwezi coil kuyilwa indawo yesibini yemagneti. Le ntsimi yegradient igqwetha kancinci iphambili kumazibuthe kwipateni enokuxelwa kwangaphambili, ibangele ukuphindaphinda kwesandi seeproton ukuba sahluke njengomsebenzi wesikhundla. Owona msebenzi uphambili wegradients, ke, kukuvumela ukufakwa kwikhowudi kwendawo yomqondiso we-MR. Iikhoyili zeGradient zikwabalulekile kuluhlu olubanzi lweendlela ze- "physiologic", ezinje nge-MR angiografi, ukusasazeka, kunye nokuthelekiswa kwemifanekiso.

    Kwangelo xesha, i-coil ye-gradient ikwanoxanduva lomsebenzi we-shimming kunye ne-anti-eddy yangoku

    Inkampani yethu ibonelela ngee-coil-plate gradient coils ngokusebenza kakuhle, ezinokuhlangabezana neemfuno zokusetyenziswa.

    Ukusuka kwindawo yokujonga, le gradient iphaneli yeflethi ine-X, Y, Z iikhoyili zendlela ezintathu, kulula ukudibanisa, kwaye inokuxhotyiswa ngenkqubo yokupholisa amanzi, enokupholisa ngokufanelekileyo i-coil gradient kunye nokwenza umfanekiso uzinze ngakumbi;

    Inokuyilwa kwakhona njengekhoyili yegradient ekhuselweyo esebenzayo yokunciphisa ngakumbi i-eddy yangoku evela kumthombo. Kuba eyona ndlela isebenzayo yokulawula i-eddy currents kukuthintela ukuveliswa kwemisinga ye-eddy kuqala. Esi sisizathu sokuphucula ukhuseleko olusebenzayo (ukuzikhusela); okwangoku kwikhoyili ekhuselayo isetyenziselwa ukuba ibaleke iye kwelinye icala ukuya kwi-imaging gradient coil ukunciphisa i-eddy currents. Ikhoyili yegradient eyenziwe ngale ndlela inokuthenjwa kwaye yomelele.

    Iparameters technical

    1. Amandla okhula: 25mT / m

    2. Umlinganiso weGradient: <5%

    Ixesha lokuphakama: ≥0.3ms

    4.Iqondo lokutshintsha: ≥80mT / m / ms

    Ubungakanani ungenziwa ngemfuneko ngokweemfuno zabathengi


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