Dental RF coil, head-fixing unit, and magnetic resonance imaging system including same

• US 9,226,685 B2
• Filed: 08/31/2010
• Issued: 01/05/2016
• Est. Priority Date: 01/19/2010
• Status: Active Grant

• Current Assignee: Catholic University Industry Academic Cooperation Foundation
• Original Assignee: Catholic University Industry Academic Cooperation Foundation
• Inventors: Choe, Bo Young, Woo, Dong Cheol, Ahn, Hyun Sub
• Primary Examiner(s): Vargas, Dixomara
• Application Number:
  US13/522,686
• Publication Number:
  US 20120288820A1
• Time in Patent Office: 1,953 Days
• US Class Current: 1/1
• CPC Class Codes: A61B 5/055 involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
• CPC Class Codes: A61B 5/4542 Evaluating the mouth, e.g. the jaw
• CPC Class Codes: A61B 5/4547 Evaluating teeth
• CPC Class Codes: A61B 5/682 Mouth, e.g., oral cavity; tongue; Lips; Teeth
• CPC Class Codes: G01R 33/34084 implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
• CPC Class Codes: G01R 33/341 comprising surface coils
• CPC Class Codes: G01R 33/3806 Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets

Abstract

The invention relates to an MRI system, comprising: an examination table including a cradle in which a patient may be positioned; a magnetic assembly disposed in the examination table and including first and second electrode assemblies, the respective electrode surfaces of which are disposed so as to be perpendicularly spaced apart by a certain distance and opposite each other such that space for imaging may be formed therebetween; and an RF coil unit contactingly or contactlessly attached to a part of a patient to be examined or an attached part corresponding to the part to be examined, applying an RF pulse to the part of the patient to be examined, and detecting an MR signal from the examined part.

Claims

1. An RF (Radio Frequency) coil unit comprising:

an RF coil; and

a support frame assembly in which the RF coil is supported, the support frame assembly being formed corresponding to an attached part including at least one of a patient'"'"'s teeth and gums and the patient'"'"'s face part where the teeth and gums are positioned, wherein the support frame assembly comprises;

one of a jaw rest having a jaw receiving recess formed corresponding to the face part, in which the patient'"'"'s teeth and gums are positioned, and which includes the patient'"'"'s jaw;

a mask formed corresponding to the face part, in which the patient'"'"'s teeth and gums are positioned; and

a mouth piece formed corresponding to the patient'"'"'s teeth and gums.

2. The RF coil unit according to claim 1, wherein the jaw rest comprises:

a main body having a jaw receiving recess; and

a support portion for supporting the patient'"'"'s head not to be moved.

3. The RF coil unit according to claim 1, wherein the mask comprises:

a main body formed corresponding to the face part, in which the patient'"'"'s teeth and gums are positioned; and

a fixing part formed on the main body for fixing the main body corresponding to the face part, in which the patient'"'"'s teeth and gums are positioned.