A fluid is passed through a small high-field polarizing magnet having a toroid geometry before injection into a catheter.

Charles L. Dumoulin, Robert D. Darrow

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Patent Number: US 5479925 A

Filing Date: 1995-09-27

Publication Date: 1996-01-02

Status: Expired – Lifetime

Current Assignee: General Electric Co

Applicants: General Electric Co.

IPC/CPC Classifications: A61B5/055;;A61B6/00;;G01R33

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