Body Lumen Junction Localization
    41.
    发明申请

    公开(公告)号:US20190133489A1

    公开(公告)日:2019-05-09

    申请号:US16241730

    申请日:2019-01-07

    申请人: 3DT Holdings, LLC

    发明人: Ghassan S. Kassab

    摘要: Devices, systems, and methods for the localization of body lumen junctions and other intraluminal structure are disclosed. Various embodiments permit clinicians to identify the locations of intraluminal structures and medical devices during non-surgical medical techniques, by determining the conductance and/or cross-sectional area at a plurality of locations within the body lumen.

    Impedance devices for obtaining conductance measurements within luminal organs

    公开(公告)号:US10219720B2

    公开(公告)日:2019-03-05

    申请号:US14538413

    申请日:2014-11-11

    申请人: 3DT Holdings, LLC

    发明人: Ghassan S. Kassab

    摘要: Impedance devices for obtaining conductance measurements within luminal organs. In at least one embodiment of an impedance device of the present disclosure, the device, comprises an elongated body and an detector positioned upon the elongated body, the detector comprising at least five electrodes and configured to obtain one or more conductance measurements generated using a first arrangement of four of the at least five electrodes and further configured to obtain one or more fluid velocity measurements using a second arrangement of four of the at least five electrodes when the elongated body is positioned within a fluid environment of a mammalian luminal organ, wherein the first arrangement is different from the second arrangement.

    Devices, systems, and methods to obtain conductance and temperature data

    公开(公告)号:US10213129B2

    公开(公告)日:2019-02-26

    申请号:US15168723

    申请日:2016-05-31

    申请人: 3DT Holdings, LLC

    发明人: Ghassan S. Kassab

    摘要: Devices, systems, and methods to measure parallel tissue conductance, luminal cross-sectional areas, fluid velocity, and/or determine plaque vulnerability using temperature. In at least one embodiment of a method to obtain parallel tissue conductance, the method comprises the steps of inserting at least part of a detection device into a luminal organ, applying current thereto, obtaining a native temperature measurement, injecting a solution of a known conductivity into the luminal organ, detecting a temperature change indicative of the fluid within the luminal organ, measuring an output conductance, and calculating a parallel tissue conductance based upon the output conductance and the conductivity of the injected solution.

    Body lumen junction localization
    44.
    发明授权

    公开(公告)号:US10172538B2

    公开(公告)日:2019-01-08

    申请号:US14010169

    申请日:2013-08-26

    申请人: 3DT Holdings, LLC

    发明人: Ghassan S. Kassab

    摘要: Devices, systems, and methods for the localization of body lumen junctions and other intraluminal structure are disclosed. Various embodiments permit clinicians to identify the locations of intraluminal structures and medical devices during non-surgical medical techniques, such as cardiac ablation, by determining the intralumen conductance and/or cross-sectional area at a plurality of locations within the body lumen.

    BLOOD FILTER DEVICES, SYSTEMS, AND METHODS OF USING THE SAME TO DETECT THE PRESENCE OF A THROMBUS WITHIN SAID FILTER DEVICES

    公开(公告)号:US20180092728A1

    公开(公告)日:2018-04-05

    申请号:US15724216

    申请日:2017-10-03

    申请人: 3DT Holdings, LLC

    发明人: Ghassan S. Kassab

    摘要: Blood filter devices, systems, and methods of using the same to detect the presence of a thrombus within said filter devices. A device of the present disclosure for detecting a thrombus or other blood particulate matter of a threshold size within a vessel can comprise a filter having a head and a plurality of legs extending distally therefrom, configured to capture the thrombus or other blood particulate matter of at least a threshold size, and at least one impedance element positioned distal to the head and configured to detect a presence of the thrombus or other blood particulate matter of at least a threshold size within the filter by obtaining data within a bloodstream when the filter is positioned within the bloodstream.

    LUMINAL ORGAN SIZING DEVICES AND METHODS
    48.
    发明申请

    公开(公告)号:US20160256076A1

    公开(公告)日:2016-09-08

    申请号:US15156364

    申请日:2016-05-17

    申请人: 3DT Holdings, LLC

    发明人: Ghassan S. Kassab

    IPC分类号: A61B5/107 A61B18/14 A61B5/00

    摘要: Luminal organ sizing devices and methods. In at least one embodiment of a method of the present disclosure, the method comprises the steps of introducing at least part of a first device into a luminal organ at an aperture or opening of the luminal organ, the first device having a balloon positioned thereon; inflating the balloon at the aperture or opening of the luminal organ until a point of apposition is achieved; and obtaining a first aperture or opening measurement based upon the point of apposition.

    摘要翻译: 泌尿器官调整装置及方法。 在本公开的方法的至少一个实施例中,该方法包括以下步骤:将第一装置的至少一部分引入管腔器官的孔或开口处的腔内器官中,第一装置具有定位在其上的气囊; 在管腔器官的孔或开口处使气囊膨胀直到达到一定位置; 并且基于并置点获得第一孔径或开口测量值。

    METHODS FOR GENERATING LUMINAL ORGAN PROFILES USING IMPEDANCE
    50.
    发明申请
    METHODS FOR GENERATING LUMINAL ORGAN PROFILES USING IMPEDANCE 审中-公开
    使用阻抗生成光学有机结构的方法

    公开(公告)号:US20150297111A1

    公开(公告)日:2015-10-22

    申请号:US14755096

    申请日:2015-06-30

    申请人: 3DT Holdings, LLC

    发明人: Ghassan S. Kassab

    摘要: Methods to generate luminal organ profiles using impedance. One embodiment of such a method comprises the steps of introducing an impedance device having at least two detection electrodes positioned in between at least two excitation electrodes into a treatment site of a luminal organ at a first position, measuring a first treatment site conductance at the first position using the impedance device and at least two injections of solutions having different conductivities, moving the impedance device to a second position in the luminal organ, measuring a second treatment site conductance at the second position using the impedance device and the at least two injections of solutions having different conductivities, calculating a first position cross-sectional area using the first treatment site conductance and a second position cross-sectional area using the second treatment site conductance, and constructing a profile of the treatment site.

    摘要翻译: 使用阻抗产生管腔器官谱的方法。 这种方法的一个实施例包括以下步骤:将具有位于至少两个激励电极之间的至少两个检测电极的阻抗装置引入到第一位置处的腔内器官的治疗部位,测量第一处理部位电导 使用所述阻抗装置和至少两次注射具有不同电导率的溶液的位置,将所述阻抗装置移动到所述管腔器官中的第二位置,使用所述阻抗装置测量所述第二位置处的第二治疗部位电导和所述至少两次注射 具有不同电导率的溶液,使用第一处理部位电导计算第一位置横截面积,使用第二处理部位电导计算第二位置横截面积,并构造处理部位的轮廓。