MgB2 Croygen-Free Magnet Technologies -- Enabling Affordable MRI for Developing R

MgB2 无铬磁铁技术——为 R 开发提供经济实惠的 MRI

• 批准号: 8304357
• 负责人: Minfeng Xu
• 金额: $ 80.84万
• 依托单位: GENERAL ELECTRIC GLOBAL RESEARCH CTR
• 依托单位国家: 美国
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-09-01 至 2015-06-30
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/8304357
• 关键词: Accounting; Ally; Area; Caliber; Cardiac; Collaborations; Development; Diagnosis; Evaluation; Future; Government; Health; Heating; Helium; Image; Improve Access; Joints; Liquid substance; Magnetic Resonance Imaging; Magnetism; Mainstreaming; Medical; Neurologic; Patient Care; Performance; Persons; Procedures; Process; Ramp; Scanning; Site; System; Techniques; Technology; Temperature; Testing; Weight; base; cost; cryogenics; cryostat; improved; magnetic field; meetings; novel; operation; programs; rural area; whole body imaging

DESCRIPTION (provided by applicant): The cost of installing and maintaining current superconducting MRI systems has limited their widespread distribution in the developing world and rural areas of the US. The availability of low-cost high image quality MRI systems would improve access to clinically advanced MR applications, and would improve diagnosis and care of patients. High image quality greatly improves the capability of MRI systems in advanced medical applications such as cardiac and neurological scanning. The objective of this program is to develop technologies that enable easily sitable, low-cost whole-body MRI systems with high image quality, which will greatly expand the MRI in- stall base to include underserved areas and underdeveloped regions. With the successful development of the proposed magnet technologies, MRI systems can be realized with cost and suitability requirements comparable to today's low-cost permanent magnet systems (magnetic field of 0.2 - 0.35 T), but with a high magnetic field (1.5 - 3.0T) and excellent image quality comparable to existing mainstream and premium superconducting systems. This program will: 1. Develop new cryogen-free low-cost magnet technologies. 2. Demonstrate technologies, such as a cryogen-free cooling system and a MgB2 magnet, that can enable easily sitable low-cost MRI systems. PUBLIC HEALTH RELEVANCE: The long-term objective of this program is to develop easily siteable MgB2, low-cost whole-body MRI systems with high image quality, which will greatly expand the MRI installed base to include underserved areas and underdeveloped regions. With the successful development of the proposed magnet technologies, MRI systems can be realized with cost and sitability requirements comparable to today's low-cost permanent magnet systems (magnetic field of 0.2 - 0.35T), but with a high magnetic field (1.5 - 3.0T) and excellent image quality comparable to existing mainstream and premium superconducting systems.

描述(申请人提供)：安装和维护当前超导核磁共振系统的成本限制了它们在发展中国家和美国农村地区的广泛分布。低成本、高质量磁共振成像系统的可获得性将改善临床先进磁共振应用的机会，并将改善患者的诊断和护理。高图像质量极大地提高了MRI系统在心脏和神经扫描等高级医疗应用中的能力。该计划的目标是开发能够实现易于安装、低成本的高图像质量的全身MRI系统的技术，这将极大地扩大MRI的安装基础，将服务不足的地区和欠发达地区包括在内。随着建议的磁体技术的成功开发，磁共振成像系统可以实现成本和适宜性要求相当于今天的低成本永久磁体系统(磁场0.2-0.35T)，但具有高磁场(1.5-3.0T)和优秀的图像质量，可与现有的主流和优质超导系统相媲美。该计划将：1.开发无低温、低成本的新型磁体技术。2.演示无冷媒冷却系统和镁B2磁体等技术，这些技术可以实现易于安装的低成本核磁共振系统。与公共健康相关：该计划的长期目标是开发易于选址、低成本、高图像质量的全身MRI系统，这将极大地扩大MRI的安装基础，包括服务不足的地区和欠发达地区。随着建议的磁体技术的成功开发，磁共振成像系统可以实现与当今低成本永久磁体系统(磁场0.2-0.35T)相当的成本和可就位要求，但具有与现有主流和优质超导系统相当的高磁场(1.5-3.0T)和出色的图像质量。

项目成果

Development of a 3 T-250 mm Bore MgB2 Magnet System.

开发 3 T-250 mm 孔径 MgB2 磁体系统。

• DOI: 10.1109/tasc.2014.2364396
• 发表时间: 2015
• 期刊: IEEE transactions on applied superconductivity : a publication of the IEEE Superconductivity Committee
• 作者: Mine,Susumu;Xu,Minfeng;Bai,Ye;Buresh,Steve;Stautner,Wolfgang;Immer,Christopher;Laskaris,EvangelosT;Amm,Kathleen
• 通讯作者: Amm,Kathleen