MRI GATED BY CARDIAC PHASE
    94.
    发明公开
    MRI GATED BY CARDIAC PHASE 审中-公开
    核磁共振成像门控MRI

    公开(公告)号:EP3320839A1

    公开(公告)日:2018-05-16

    申请号:EP17200635.5

    申请日:2017-11-08

    IPC分类号: A61B5/06 A61B5/055

    摘要: Described embodiments include an apparatus that includes an electrical interface and a processor. The processor is configured to receive via the electrical interface, from a plurality of sensors, a first signal that indicates a location of an intrabody tool inside a body of a subject, and a second signal that indicates a phase, of a physiological motion cycle of the subject, at which the first signal was acquired. The processor is further configured to acquire, using a magnetic resonance imaging (MRI) scanner, a set of multiple images at the location indicated by the first signal, over a portion, of a subsequent physiological motion cycle of the subject, that includes the phase indicated by the second signal. Other embodiments are also described.

    摘要翻译: 所描述的实施例包括包括电接口和处理器的设备。 处理器被配置为经由电接口从多个传感器接收第一信号和第二信号,该第一信号指示体内工具在受试者体内的位置,该第二信号指示生理运动周期的 该主题,第一个信号被获取。 处理器还被配置为使用磁共振成像(MRI)扫描仪在对象的后续生理运动周期的一部分上获取由第一信号指示的位置处的一组多个图像,该部分包括相位 由第二信号指示。 还描述了其他实施例。

    ULTRASOUND DELIVERY FOR DIAGNOSIS AND/OR THERAPY
    95.
    发明公开
    ULTRASOUND DELIVERY FOR DIAGNOSIS AND/OR THERAPY 审中-公开
    超声波输送用于诊断和/或治疗

    公开(公告)号:EP3319523A1

    公开(公告)日:2018-05-16

    申请号:EP16720695.2

    申请日:2016-04-28

    申请人: Medtronic, Inc.

    IPC分类号: A61B8/00 A61N7/00 A61B8/08

    摘要: In some examples, a system includes one or more ultrasound transducers, one or more temperature sensors, a user interface, and one or more processors. The one or more processors are configured to control the one or more ultrasound transducers to deliver ultrasound to a target point of tissue of a patient to heat the target point of tissue, control the one or more temperature sensors to sense a temperature of other tissue of the patient proximate to the target point of tissue a plurality of times over a period of time after the target point of tissue has been heated, and present, via the user interface, information indicating flow of heat from the target point of tissue to the other tissue over the period of time based on the sensed temperatures to facilitate characterization of at least one of anatomy or function of the tissue.

    APPARATUS, SYSTEMS, AND METHODS FOR MAPPING OF TISSUE OXYGENATION

    公开(公告)号:EP3128892A4

    公开(公告)日:2018-05-09

    申请号:EP15773739

    申请日:2015-04-06

    申请人: SURGISENSE CORP

    IPC分类号: A61B1/04 A61B1/06

    摘要: Apparatus, systems, and methods are provided that generate in vivo maps of oxygenation measurements of biological tissue. These may include surgical instruments and stand-alone imaging systems with incorporated oxygen sensing capability. Oxygenation maps can be determined via fluorescent or phosphorescent lifetime imaging of an injectable probe with an oxygen-dependent optical response. Probe configuration and methods and apparatus of injecting the probe into the tissue are provided. Methods and apparatus for temperature compensation of temperature-dependent lifetime measurements are provided to improve oxygenation measurement accuracy. Oxygen maps may be registered with visible light images to assist in assessing tissue viability or localize anomalies in the tissue. Resulting oxygen images may be used for various applications including, but not limited to, guiding surgical procedures such as colorectal resection through use of intraoperative sensing, enhanced endoscopic imaging for identifying suspect lesions during colonoscopy, and external imaging of tissue such as assessing peripheral vascular disease.

    BRAIN-ACTIVITY ESTIMATION DEVICE
    97.
    发明公开
    BRAIN-ACTIVITY ESTIMATION DEVICE 审中-公开
    脑活动估计装置

    公开(公告)号:EP3308700A1

    公开(公告)日:2018-04-18

    申请号:EP16807643.8

    申请日:2016-06-13

    IPC分类号: A61B5/00 A61B5/0476

    摘要: A brain activity estimation device (10) includes an image data acquisition means (20) and a brain activity estimation means (30). The image data acquisition means (20) acquires photographed image data on a facial surface of a human in time series. The brain activity estimation means (30) includes an RGB processing unit (31), a blood-circulation-amount calculating unit (33), and an estimation unit (35). The RGB processing unit (31) conducts RGB processing on the photographed image data acquired by the image data acquisition means (20) to decompose the photographed image data into three color components composed of an R component, a G component, and a B component. The blood-circulation-amount calculating unit (33) calculates time-series blood-circulation-amount data on the facial surface, based on the RGB data of the photographed image data obtained by the RGB processing. The estimation unit (35) estimates brain activity of the human based on a plurality of components obtained by decomposing the blood-circulation-amount data by singular value decomposition, principal component analysis, or independent component analysis.

    摘要翻译: 脑活动推定装置(10)具有图像数据取得单元(20)和脑活动推定单元(30)。 图像数据获取装置(20)以时间序列获取人类面部表面上的拍摄图像数据。 脑活动推定单元(30)具有RGB处理部(31),血液循环量计算部(33)以及推定部(35)。 RGB处理单元(31)对由图像数据获取装置(20)获取的拍摄图像数据进行RGB处理,以将拍摄的图像数据分解为由R分量,G分量和B分量组成的三色分量。 血液循环量计算单元(33)基于通过RGB处理获得的拍摄图像数据的RGB数据,计算面部表面上的时间序列血液循环量数据。 估计单元(35)基于通过以奇异值分解,主成分分析或独立成分分析来分解血循环量数据而获得的多个成分来估计人的脑活动。

    MAGNETIC RESONANCE IMAGING THERMOMETRY USING PROTON RESONANCE FREQUENCY AND T1 MEASUREMENTS
    98.
    发明公开
    MAGNETIC RESONANCE IMAGING THERMOMETRY USING PROTON RESONANCE FREQUENCY AND T1 MEASUREMENTS 审中-公开
    利用质子共振频率和T1测量的磁共振成像温度测量

    公开(公告)号:EP3274733A1

    公开(公告)日:2018-01-31

    申请号:EP16714823.8

    申请日:2016-03-28

    发明人: WEISS, Steffen

    IPC分类号: G01R33/48 A61B5/055 G01R33/50

    摘要: The invention provides for a method of operating a medical instrument (100, 400, 500, 600), with magnetic resonance imaging system (102). The method comprises acquiring (202) equilibrium magnetization magnetic resonance imaging data (148) by controlling the magnetic resonance imaging system according to a T1 measuring magnetic resonance imaging protocol and calculating an equilibrium magnetization baseline image (156). The method further comprises repeatedly acquiring (206) the dynamic PRFS magnetic resonance data according to a proton resonance frequency shift magnetic resonance imaging protocol. The method further comprises repeatedly acquiring (208) magnetic resonance data portions (152) according to the T1 measuring magnetic resonance imaging protocol with a saturation preparation (804) at the start of the acquisition. The acquisition of the dynamic PRFS magnetic resonance data and the magnetic resonance data portions are interleaved. The method further comprises repeatedly reassembling (212) the resonance data portions into dynamic T1 magnetic resonance data. The method further comprises repeatedly calculating (214) a T1 map (158) using the reassembled dynamic T1 magnetic resonance data and the equilibrium magnetization image. The method further comprises repeatedly calculating (216) a PRFS phase calibration (160) using the dynamic PRFS magnetic resonance data and the T1 map. The method further comprises repeatedly calculating (218) a PRFS temperature map (162) using the dynamic PRFS magnetic resonance data and the PRFS phase calibration if the PRFS phase calibration has been calculated.