SBIR Phase II: Contactless and portable heart-rate device based on magnetic sensing technology

SBIR第二阶段：基于磁传感技术的非接触式便携式心率设备

• 批准号: 1430982
• 负责人: Gerardo Jaramillo
• 金额: $ 74.84万
• 依托单位: Picosense Inc.
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-12-01 至 2017-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1430982&HistoricalAwards=false
• 关键词: SBIR; Phase; II; Contactless; portable

The broader impact/commercial potential of this Small Business Research (SBIR) project is to develop and prototype a novel magnetic sensor capable of continuous detection of the small magnetic signals generated by the human heart. The proposed technology enables heart-rate and heart waveform detection without any contact to the skin, contrary to standard electrocardiograph (ECG) based devices that require uncomfortable electrodes, adhesives and chest straps to operate. Furthermore, this technology can be manufactured at low cost and easily miniaturized. The goal of the project is to provide a contactless, unobtrusive and comfortable way to evaluate the heart condition, to be used by sports enthusiasts for fitness heart monitoring, and for heart disease patients that require an accurate, continuous and long-term heart monitoring solution. The proposed technology is designed to be easy integrated with bracelets, smart-watches, or simply placed in a pocket, while constantly measuring the heart function. Its small size and low cost enables the broad use of this technology and easy integration with available wearables. Moreover, knowing that heart disease is the main cause of death in developed nations, we believe our low cost and easy to use device will have positive impact on public health, and on preventive medicine. Better preventive care will consequently help to lower healthcare costs. The proposed project will focus on the development of a novel magnetic sensor for continuous and portable monitoring of the human heart, based on magnetocardiography (MCG). Portable cardiography has been limited to electrocardiography (ECG) sensors for decades. ECG is not suitable for continuous heart-rate monitoring (e.g. for in-home use by elderly patients) since it requires conductive (adhesive) electrodes on the patient?s chest. In contrast, MCG can accurately record the human heartbeat non-invasively and contactless. We propose a novel, chip-scale, highly sensitive magnetometer that can enter and expand the portable ECG heart-monitoring market. The goal of this Phase II project is to continue the optimization of the magnetic sensing technology, and start the development of prototypes and demonstration units that can record the heart signals in real time, providing a new and contactless way to measure heart-rate and heart waveform for medical diagnosis.

这项小型企业研究（SBIR）项目的更广泛影响/商业潜力是开发一种新型磁传感器并制作原型，该传感器能够连续检测人类心脏产生的小磁信号。该技术可以在不与皮肤接触的情况下检测心率和心脏波形，这与标准的心电图（ECG）设备不同，后者需要不舒服的电极、粘合剂和胸带来操作。此外，该技术制造成本低，易于小型化。该项目的目标是提供一种非接触式、不显眼、舒适的心脏状况评估方式，供运动爱好者用于健身心脏监测，以及需要准确、连续和长期心脏监测解决方案的心脏病患者使用。这项技术被设计成很容易与手镯、智能手表集成，或者简单地放在口袋里，同时不断测量心脏功能。它的小尺寸和低成本使这项技术能够广泛使用，并易于与现有的可穿戴设备集成。此外，我们知道心脏病是发达国家的主要死亡原因，我们相信我们的低成本和易于使用的设备将对公共卫生和预防医学产生积极影响。因此，更好的预防保健将有助于降低医疗保健费用。拟议的项目将侧重于开发一种基于心脏磁图（MCG）的新型磁传感器，用于连续和便携式监测人类心脏。几十年来，便携式心电图一直局限于心电图（ECG）传感器。心电图不适合连续的心率监测（例如用于老年患者的家庭使用），因为它需要在患者身上安装导电（粘接）电极？年代的胸膛。相比之下，MCG可以无创、无接触地准确记录人的心跳。我们提出了一种新颖的、芯片级的、高灵敏度的磁力计，可以进入并扩大便携式心电心电监测市场。本二期项目的目标是继续优化磁传感技术，并启动可实时记录心脏信号的样机和演示单元的开发，为医疗诊断提供一种新的非接触式测量心率和心脏波形的方法。