Hypersurface reconstruction of microscope view

    公开(公告)号:US11062447B2

    公开(公告)日:2021-07-13

    申请号:US16955549

    申请日:2019-09-12

    Applicant: Brainlab AG

    Inventor: Johannes Manus

    Abstract: Disclosed is a computer-implemented method of determining a hypersurface image from a tomographic image data set describing a tomographic image of an anatomical body part. The method encompasses a locally depth-of-view-corrected reconstruction of a volumetric data set (pre-operative image data, like CT or MRI image data), in order to e.g. augment volumetric image data onto e.g. a microscope view, or in the head-up display of the microscope. For the depth correction, a surface model of the actual anatomical surface of the anatomical body part is used which encompasses a hypersurface reconstruction pf the volumetric data set. Thus, the correct information related to the tissue at the current visible surface is overlaid.

    HYPERSURFACE RECONSTRUCTION OF MICROSCOPE VIEW

    公开(公告)号:US20210012489A1

    公开(公告)日:2021-01-14

    申请号:US16955549

    申请日:2019-09-12

    Applicant: Brainlab AG

    Inventor: Johannes Manus

    Abstract: Disclosed is a computer-implemented method of determining a hypersurface image from a tomographic image data set describing a tomographic image of an anatomical body part. The method encompasses a locally depth-of-view-corrected reconstruction of a volumetric data set (pre-operative image data, like CT or MRI image data), in order to e.g. augment volumetric image data onto e.g. a microscope view, or in the head-up display of the microscope. For the depth correction, a surface model of the actual anatomical surface of the anatomical body part is used which encompasses a hypersurface reconstruction pf the volumetric data set. Thus, the correct information related to the tissue at the current visible surface is overlaid.

    Light point identification method
    13.
    发明授权

    公开(公告)号:US10456214B2

    公开(公告)日:2019-10-29

    申请号:US15543053

    申请日:2015-01-28

    Applicant: Brainlab AG

    Inventor: Johannes Manus

    Abstract: A data processing method performed by a computer for detecting reflections of light pulses, comprising the steps: acquiring a camera signal representing a series of camera images of a camera viewing field; detecting whether the camera signal includes one or more light mark portions within the camera viewing field possibly representing a light pulse reflection; relating the detected light mark portions in the series of camera images to a pre-defined emission pattern of the light pulses; and determining that a light mark portion is a reflected light pulse, if the light mark portion in the series of camera images matches to the pre-defined emission pattern of the light pulses.

    Flow control in computer-assisted surgery based on marker positions

    公开(公告)号:US10383693B2

    公开(公告)日:2019-08-20

    申请号:US16116008

    申请日:2018-08-29

    Applicant: Brainlab AG

    Abstract: The invention is in particular directed to a data processing method for use in computer-assisted surgery, comprising the following steps: a) providing marker data which describe a spatial arrangement of at least one marker device and/or a change in a relative spatial arrangement of at least two marker devices (5, 6, 7); b) providing condition data which describe a condition for the spatial arrangement of at least one marker device and/or a condition for the change in the relative spatial arrangement of the at least two marker devices (5, 6, 7); and c) controlling a control flow of the data processing method on the basis of the marker data and the condition data.

    Systems and method for determining the shape of a surgical instrument and surgical instruments having a deformable body

    公开(公告)号:US10292775B2

    公开(公告)日:2019-05-21

    申请号:US16146514

    申请日:2018-09-28

    Applicant: Brainlab AG

    Abstract: A system and method for determining the spatial position and the shape of a surgical instrument (1) having a deformable body (2) by: providing an elasticity model of the surgical instrument (1); defining at least one parameter which influences the shape of the instrument (1); determining the spatial position and/or orientation of at least one tracking sensor (3) of the surgical instrument (1); determining the value of the at least one parameter; calculating the position and/or orientation of at least one part of the surgical instrument (1) with the aid of the elasticity model together with the determined value of the at least one parameter and the determined spatial position and/or orientation of the at least one tracking sensor (3). The present invention also relates to a surgical instrument (1) having a deformable body (2) comprising at least two sensors (3, 4), wherein at least one sensor is a tracking sensor (3) and at least one other sensor is a sensor (4) which allows the value of a predetermined parameter influences the shape of the instrument (1) to be determined.

    ESTIMATION AND COMPENSATION OF TRACKING INACCURACIES
    17.
    发明申请
    ESTIMATION AND COMPENSATION OF TRACKING INACCURACIES 审中-公开
    跟踪不准确的估计和补偿

    公开(公告)号:US20160256223A1

    公开(公告)日:2016-09-08

    申请号:US15032158

    申请日:2014-01-13

    Applicant: BRAINLAB AG

    Abstract: A data processing method for generating a compensation information for hacking or for determining the position and/or orientation of an object in space, the method comprising the following steps performed by a computer: a) acquiring a predetermined constraint information defining one or more relative or absolute positions and/or orientations of the object in space; b) acquiring position and/or orientation data of the object while the object is positioned or moved while fulfilling the predetermined constraint; and c) determining the compensation information based on the predetermined constraint information and the acquired position and/or orientation data of the object.

    Abstract translation: 一种用于生成用于黑客或确定空间中的对象的位置和/或方位的补偿信息的数据处理方法,所述方法包括由计算机执行的以下步骤:a)获取定义一个或多个相对或 物体在空间中的绝对位置和/或取向; b)在满足所述预定约束的同时在所述对象被定位或移动的同时获取所述对象的位置和/或取向数据; 以及c)基于所述预定约束信息和所获取的所述对象的位置和/或取向数据来确定所述补偿信息。

    Video based microscope adjustment
    19.
    发明授权

    公开(公告)号:US11471241B2

    公开(公告)日:2022-10-18

    申请号:US16629351

    申请日:2018-07-11

    Applicant: Brainlab AG

    Abstract: The present application relates to an optical observation device which is controlled in a sterility preserving manner, and to a corresponding controlling program and/or program storage medium. The optical observation device includes a main structure having at least one optical camera, a motorized support for positioning the main structure, and a control unit that receives a sequence of images from the at least one optical camera, searches a current image from the sequence of images for a trackable object, tracks the trackable object shown in the sequence of images subsequent to the current image, and controls the motorized support structure.

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