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IP.com Disclosure Number: IPCOM000242537D
Publication Date: 2015-Jul-23
Document File: 4 page(s) / 84K

Publishing Venue

The IP.com Prior Art Database

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TECHNIQUES FOR DETECTING POSITION AND SHAPE OF RECEIVER COILS IN A MAGNETIC RESONANCE IMAGING (MRI) SYSTEM

BACKGROUND

The present invention relates generally to magnetic resonance imaging (MRI) systems, and more particularly to a technique for detecting a position and shape of receiver coils in a MRI system.

MRI system includes various components, such as a magnet, a RF transmitter coil, among others.  The RF transmitter coil creates a radio frequency (RF) field and transmits a RF signal into a body part being imaged.  The MRI system further includes the receiver coils to receive a returning RF signal.

One of a conventional technique uses a shape sensing method for sensing position and orientation of a grasper in a surgical system. Such conventional technique involves an interrogating fiber that outputs bend information associated with a segment. Another conventional technique uses a fiber optic shape system for tracking and monitoring endoscopes for diagnostic and surgical procedures. Another conventional technique uses automatic coil selection of multi-receiver MR data using a fast pre-scan data analysis. Yet another conventional technique uses a coil element selection procedure for detecting shape of coils.

However, most conventional techniques involve operator’s intervention for choosing coil elements to finish a scan.  As a result, the conventional techniques require human inputs and suffer from poor workflow.

It would be desirable to have an improved technique for detecting the position and shape of the receiver coils in the MRI system.

BRIEF DESCRIPTION OF DRAWINGS

Figure 1 depicts an element selection of a surface receive coil according to present invention.

Figure 2 depicts a patient in a magnetic resonance imaging (MRI).  

Figure 3 depicts coil position and shape detection of a receiver coil according to an embodiment of the present invention.

Figure 4 depicts detected coil elements or modes in 3D location according to an embodiment of the present invention.

DETAILED DESCRIPTION

A technique for detecting a position and shape of receiver coils in a magnetic resonance imaging (MRI) system is disclosed.

In MRI system, a radio frequency (RF) transmitter coil creates radio frequency (RF) field and transmits a RF signal into a body part being imaged.  The MRI system further includes the receiver coils to receive returning RF signals.

The technique described herein, utilizes fiber optic tracking principles to provide high-resolution 3D shape or posi...