Abstract:
The present disclosure discloses anatomical phantoms having one or more distinct regions spectroscopically differentiated from each other by inclusion of spectroscopically active components each having a distinct fluorescence/emission/scattering spectrum. The distinct regions may represent different anatomical components of the corresponding real anatomical part and/or tumor mimics (or other diseased tissue) and different anatomical components of the corresponding real anatomical part, or just tumor mimics and a remainder of the anatomical part. The spectroscopically active materials may be dyes such as the cyanine dyes, or spectroscopically active nanoparticles.
Abstract:
System and methods are provided for adaptively and interoperatively configuring an automated arm used during a medical procedure. The automated arm is configured to position and orient an end effector on the automated arm a desired distance and orientation from a target. The end effector may be an external video scope and the target may be a surgical port. The positions and orientations of the end effector and the target may be continuously updated. The position of the arm may be moved to new locations responsive to user commands. The automated arm may include a multi-joint arm attached to a weighted frame. The weighted frame may include a tower and a supporting beam.
Abstract:
A method of data acquisition at a magnetic resonance imaging (MRI) system is provided. The system receives at least a portion of raw data for an image, and detects anomalies in the portion of raw data received. When anomalies are detected, the system can correct those anomalies dynamically, without waiting for a new scan to be ordered. The system can attempt to scan the offending portion of the raw data, either upon detection of the anomaly or at some point during the scan. The system can also correct anomalies using digital correction methods based on expected values. The anomalies can be detected based on variations from thresholds, masks and expected values all of which can be obtained using one of the ongoing scan, previously performed scans and apriori information relating to the type of scan being performed.
Abstract:
A method in a computing device for quantitative surgical image registration includes: prior to a surgical procedure, obtaining, using a first imaging modality, a preoperative image of patient tissue and a plurality of preoperative measurements of a material property of the patient tissue. The preoperative measurements correspond to respective points in the preoperative image. The method includes storing the preoperative image and the preoperative measurements, and during the surgical procedure, using a second imaging modality, capturing an intraoperative image of the patient tissue and a second plurality of intraoperative measurements of the material property of the patient tissue. The intraoperative measurements correspond to respective points in the intraoperative image. The method includes comparing the first and second pluralities of measurements to determine a transformation for registering the preoperative image and the intraoperative image; and storing the transformation in association with one of the intraoperative image and the preoperative image.
Abstract:
Methods and systems for providing treatment planning information for a neurology procedure, including neurosurgical procedures. A database containing historical data about historical procedures is accessed. Historical data relevant to a neurology procedure is determined, based on a determination of similarity to a set of data characterizing the neurology procedure. Historical instances of procedure parameters relevant to the neurology procedure are determined and displayed.
Abstract:
Disclosed herein is navigation and simulation systems and methods for minimally invasive therapy in which the navigation system imports a planning method using patient specific pre-operative images. The navigation system uses intraoperative imaging during the medical procedure to update the preoperative images and provides images of tracked surgical tools along the surgical path prepared from the preoperative images.
Abstract:
Systems and methods are provided in which local tissue diagnostic measurements are correlated with archival local tissue diagnostic data from prior tissue analyses to supplement diagnostic measurements with tissue analysis data from prior tissue analyses having similar local tissue diagnostic data. The tissue analysis data may include information such as pathology data, outcome data, and diagnosis data. The archived local tissue diagnostic data and the tissue analysis data may be stored in a database, and employed for a wide variety of methods, involving preoperative, intraoperative, and/or postoperative phases of a medical procedure. Methods and systems are also provided for displaying, on a medical image shown in a user interface, hyperlinked reference markers associated with tissue analyses, where the reference markers are shown at locations corresponding to local tissue analyses, and where associated diagnostic data and/or tissue analysis may be viewed by selecting a given reference marker.
Abstract:
Disclosed herein is a method for producing an evolvable tissue model of a patient and, using this model, modelling physical transformations of the tissue (e.g. deformation) of the tissue model by interacting the tissue model with influence models which model interactions with the tissue such as surgical instruments, pressure, swelling, temperature changes etc. The model is produced from a set of input data of the tissue which includes directional information of the tissue. The directional information is used to produce an oriented tissue map. A tissue model is then produced from the oriented tissue map such that the tissue model reflects the directionality of the tissue component. When the tissue model is subjected to an influence that causes tissue deformation over a period of time, the tissue model directionally deforms over the period of time in a manner which reflects a trajectory of the influence interacting with the directionality of the tissue component.
Abstract:
A magnetic resonance imaging (MRI) system is provided. The system includes a main field magnet generating a main magnetic field B0. Moreover, the system further includes radio frequency (RF) receiver coils including a first combination of two coils, the two coils of the first combination decoupled based on quadrature decoupling such that the two coils of the first combination are able to receive signals orthogonal to each other and to B0. The two coils can be butterfly coils, the loop-plain of the butterfly coils arranged along a surface, the longitudinal axis of the butterfly coils being substantially orthogonal and crossing at substantially midpoint. The surface can be substantially orthogonal to B0 and be curved. The first of the two coils can also be a loop coil and the second of the two coils a butterfly coil.
Abstract:
Systems and methods for providing quantitative measurements of global glymphatic flow of cerebrospinal fluid ("CSF") using magnetic resonance imaging ("MRI") are described. In general, images are obtained from a subject using flow- sensitive MRI techniques that are designed to be particularly sensitive to the glymphatic flow of CSF. Measures of glymphatic flow can be obtained while the subject is in an awake state and again while the subject is in a sleep state. Based on these two measurements, a biomarker that indicates a neurological state or disease can be generated.