-
公开(公告)号：US11278205B2
公开(公告)日：2022-03-22
申请号：US17106407
申请日：2020-11-30
发明人： Siu Wai Jacky Mak , Fangxin Li
摘要： A device and method for guided insertion of microelectrodes into tissue, the device involving a flexible optical fiber for optical coherence tomography imaging, a metal layer coating the optical fiber for recording electrical signals and an outer insulation layer coating the metal layer along the optical fiber length, and the method involving inserting an optical fiber coated with a metal layer and further coated with an insulation layer into a tissue, collecting intraoperative image data through the optical fiber by optical coherence tomography, receiving the image data on a computer and displaying the image on a monitor, using the image data to determine a location in the tissue, receiving an electrical nerve signal through the metal layer, and measuring the electrical nerve signal on an electro-physiological recording system.
-
公开(公告)号：US20220015636A1
公开(公告)日：2022-01-20
申请号：US17449671
申请日：2021-10-01
摘要： A computing device and methods for tracking surgical imaging devices stores a preoperative image of patient tissue registered to a frame of reference of a tracking system; and receives, from a first imaging device, a first intraoperative image of a first region of the tissue, with a finer resolution than the preoperative image. The computing device receives a position of the first imaging device from the tracking system, and registers the first intraoperative image with the frame of reference. The computing device receives, from a second imaging device, a second intraoperative image of a second region of the patient tissue, with a finer resolution than the first intraoperative image. The computing device registers the second intraoperative image to the first intraoperative image; and controls a display to present the preoperative image overlaid with the first intraoperative image, and the first intraoperative image overlaid with the second intraoperative image.
-
公开(公告)号：US11026580B2
公开(公告)日：2021-06-08
申请号：US15637045
申请日：2017-06-29
发明人： Siu Wai Jacky Mak , Ho Yiu Cheng , Fangxin Li , Harshul Varma
IPC分类号： A61B5/00 , A61B46/10 , A61B34/20 , A61B46/00 , A61B90/10 , A61B34/10 , A61B90/00 , A61B17/34 , A61B34/30
摘要： An OCT (Optical Coherence Tomography) handheld device is provided comprising: a housing configured for handheld OCT scanning during a surgical procedure, the housing comprising an OCT scanning end and a proximal end opposite the OCT scanning end; an OCT scanning device inside the housing, the OCT scanning device configured for one or more of OCT polarized scanning and Doppler OCT scanning from the OCT scanning end, the OCT scanning device further configured to receive and convey OCT light between the proximal end and an OCT analysing system; and a tip extending from the OCT scanning end, the tip being removably attached to the OCT scanning end, the tip configured to receive and collect the OCT light therethrough. The OCT handheld device is configured to be removably draped around the tip, for use in the surgical procedure.
-
公开(公告)号：US10945615B2
公开(公告)日：2021-03-16
申请号：US15573348
申请日：2017-02-24
IPC分类号： A61B5/0215 , A61F2/958 , A61M25/00 , A61B5/00 , A61B5/145 , F21V8/00 , G02B23/24 , A61B1/313 , A61B1/00 , A61B5/06 , A61M1/00 , A61B17/32
摘要： A device and method is provided for a suction tool combined with an optical probe. A suction device is provided having a tip with a hollow tubular body, a plurality of optical fibers embedded in the tip and a concentric ring attached to the tip, wherein the ring end has an inner beveled reflective surface opposing the optical fibers. A method is provided for optically measuring tissue in a medical procedure comprising suctioning a tissue using a suction device, sending optical signals along optical fibers through the suction device; directing the signals from the optical fibers onto the tissue using a beveled surface; receiving optical signals from the tissue in optical fibers via the beveled reflective surface; measuring the received optical signals in a spectrometer or detector; and releasing, resecting or ablating the tissue through the suction device.
-
公开(公告)号：US11576726B2
公开(公告)日：2023-02-14
申请号：US16368533
申请日：2019-03-28
IPC分类号： A61B34/10 , A61B5/00 , A61B34/00 , A61B90/00 , G01B9/02 , G01B9/02091 , A61B17/34 , A61B34/20 , G01N21/47
摘要： Systems and methods are provided for identifying a suitable surgical location and/or trajectory for proceeding with a surgical procedure based on local polarization-sensitive optical coherence tomography imaging (PS-OCT). PS-OCT images are obtained of a tissue region and are processed to provide a spatial map of anisotropic structure within the tissue region. The anisotropic structure is processed to determine one or more suitable surgical locations and/or trajectories for avoiding or reducing damage to local anisotropic tissue structure identified within the tissue region. The spatial map of the anisotropic structure is registered with pre-operative volumetric image data identifying anisotropic tissue structure within a second tissue region that is larger than the tissue region imaged by PS-OCT.
-
公开(公告)号：US11310477B2
公开(公告)日：2022-04-19
申请号：US16703179
申请日：2019-12-04
发明人： William La , Siu Wai Jacky Mak
IPC分类号： H04N13/239 , G02B27/10 , G02B3/14 , G02B27/14 , G02B27/00 , H04N13/156 , A61B90/00 , H04N13/296
摘要： An exoscope with enhanced depth of field imaging is provided. The exoscope includes first and second sets of optical devices, the first set having a fixed image plane, the second set having a variable image plane adjacent the fixed image plane of the first set. The second set includes at least one variable device configured to change the position of the variable image plane. A beamsplitter splits light from a combined optical path of the first and second set to respective image devices of the first and second set of optical devices. A controller controls the at least one variable device to change the position of the variable image plane relative to the fixed image plane, combines images acquired by the respective image devices, and controls a display device to render a combined image.
-
公开(公告)号：US11202572B2
公开(公告)日：2021-12-21
申请号：US16167146
申请日：2016-04-22
摘要： Multichannel optical coherence systems are disclosed in which optical coherence tomography (OCT) subsystems are operably and respectively connected to optical fibers of a multichannel optical probe, such that each optical fiber forms at least a distal portion of a sample beam path of a respective OCT subsystem. The optical fibers are in optical communication with distal optical elements such that external beam paths associated therewith are directed towards a common spatial region external to the housing. Image processing computer hardware is employed to process OCT signals obtained from the plurality of OCT subsystems to generate an OCT image dataset comprising a plurality of OCT A-scans and process the OCT image dataset to generate volumetric image data based on known positions and orientations of the external beam paths associated with the OCT subsystems.
-
公开(公告)号：US10957221B2
公开(公告)日：2021-03-23
申请号：US15546916
申请日：2015-01-29
IPC分类号： G09B23/30 , H04B10/071 , G09B23/28 , G09B23/32 , G09B23/34 , G01L1/00 , G01L1/24 , G01M11/08 , A61B17/00
摘要： Disclosed herein are physiological phantoms incorporating sensors and sensor materials integrated with a tissue phantom of an anatomical part. The sensors and sensor materials include small diameter optical fibers containing Bragg gratings, thermochromic materials, electrical strain gauges, flexible strain gauges, shape sensing cables, electrochromic materials and etc. The sensors and sensing materials may mimic tissue as part of the tissue phantom. They may mimic the directionality, density, elasticity of the anatomical tissues they may be mimicking. The sensors and sensing materials may be sensitive to strain, heat, electricity, shape, light, and etc. similar to what may occur during medical procedures using various medical devices and tools such as a scalpel, a needle, a deep brain stimulation probe, a port used in brain or spinal surgery and etc.
-
公开(公告)号：US11331160B2
公开(公告)日：2022-05-17
申请号：US17171642
申请日：2021-02-09
IPC分类号： H04N5/232 , H04N5/238 , A61B34/20 , H04N13/139 , A61B90/30 , A61B90/00 , G03B9/06 , H04N7/18 , H04N13/296 , H04N13/239 , G03B15/14 , H04N5/235 , A61B17/34 , A61B90/50 , H04N5/225
摘要： A surgical camera system, and method therefor, is provided which includes a plurality of imaging devices each having a tunable iris configured to change between at least two different sized numerical apertures.
-
公开(公告)号：US20220071492A1
公开(公告)日：2022-03-10
申请号：US17454517
申请日：2021-11-11
摘要： Multichannel optical coherence systems and methods involving optical coherence tomography (OCT) subsystems are operably and respectively connected to optical fibers of a multichannel optical probe, such that each optical fiber forms at least a distal portion of a sample beam path of a respective OCT subsystem. The optical fibers are in optical communication with distal optical elements such that external beam paths associated therewith are directed towards a common spatial region external to the housing. Image processing computer hardware is employed to process OCT signals obtained from the plurality of OCT subsystems to generate an OCT image dataset comprising a plurality of OCT A-scans and process the OCT image dataset to generate volumetric image data based on known positions and orientations of the external beam paths associated with the OCT subsystems.
-
-
-
-
-
-
-
-
-
搜索结果
18 条记录 (耗时 0.016 秒)