Magnetic Resonance Imaging Receiving Antenna

By integrating a digital combiner with magnetic resonance imaging receive antennas to combine data into fewer digital channels, the challenges of bandwidth and storage are addressed, ensuring efficient data transmission and processing without compromising image quality.

JP7752609B2Active Publication Date: 2025-10-10KONINKLIJKE PHILIPS NV
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Patent Information

Application Number
JP2022521043
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-10-10
Filing Date
2020-09-24
Publication Date
2025-10-10
Estimated Expiration
2040-09-24

AI Technical Summary

Technical Problem

The increasing number of receive channels in magnetic resonance imaging systems, particularly surface coils, leads to large bandwidth requirements and significant data storage needs, posing challenges in transmitting and processing magnetic resonance imaging data effectively.

Method used

Integration of a digital combiner with antenna elements to combine magnetic resonance imaging data into a fewer number of digital virtual channels, reducing the need for multiple radio frequency connections and data transmission, using techniques like time division multiplexing and serial communication.

Benefits of technology

This approach reduces bandwidth and data storage requirements while maintaining image quality, allowing for efficient data transmission and processing, even with increasing numbers of antenna elements.

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Abstract

Disclosed herein is a medical device 100, 200, 400 comprising a magnetic resonance imaging receive antenna 101, 101'. The magnetic resonance imaging receive antenna comprises a plurality of antenna elements 102, each configured to receive a magnetic resonance imaging radio frequency signal. The magnetic resonance imaging receive antenna further comprises a radio frequency receiver 104 connected to each of the plurality of antenna elements, the radio frequency receiver configured to receive the magnetic resonance imaging radio frequency signal and to convert the radio frequency signal into digital magnetic resonance data 902. The magnetic resonance imaging receive antenna further comprises a digital combiner 108. The digital combiner is configured to combine a weighted combination of the digital magnetic resonance data from each of the radio frequency signals into a selected number of digital virtual magnetic resonance channels using a set of weighting coefficients 904. The magnetic resonance imaging receive antenna further comprises a first digital communication transceiver 110 configured to transmit the digital virtual magnetic resonance channels via a digital communication channel 112.
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