A61B2090/367

Sequential monoscopic tracking

A method of sequential monoscopic tracking is described. The method includes generating a plurality of projections of an internal target region within a body of a patient, the plurality of projections comprising projection data about a position of an internal target region of the patient. The method further includes generating external positional data about external motion of the body of the patient using one or more external sensors. The method further includes generating, by a processing device, a correlation model between the projection data and the external positional data by fitting the plurality of projections of the internal target region to the external positional data. The method further includes estimating the position of the internal target region at a later time using the correlation model.

Robotic tool control

A system for controlling a robotic tool includes a memory that stores instructions and a processor that executes the instructions. When executed by the processor, the instructions cause the system to perform a process that includes monitoring sequential motion of tissue in a three-dimensional space. The process also includes projecting locations and corresponding times when the tissue will be at projected locations in the three-dimensional space. An identified location of the tissue in the three-dimensional space is identified based on the projected locations. A trajectory of the robotic tool is set to meet the tissue at the identified location at a projected time corresponding to the identified location.

METHOD FOR VERIFYING MATCHING OF SURGERY TARGET, APPARATUS THEREFOR, AND SYSEM INCLUDING SAME
20230076292 · 2023-03-09 ·

Proposed are a method of verifying matching of a surgical target, an apparatus therefor, and a system including the same, the method including: preparing a three-dimensional (3D) model including shape information about the surgical target; acquiring information about positions and postures of the surgical target and a target marker attached to the surgical target through a tracker; performing matching with the 3D model by deriving a correlation in position and posture between the surgical target and the target marker; tracking change in the position and posture of a probe tip moving along a surface of the surgical target; and generating and displaying matching verification information including a 3D graphic icon, which represents a relative positional relationship between the probe tip and the 3D model, corresponding to change in at least one of the position and posture of the probe tip.

SYSTEMS AND METHODS FOR FACILITATING AUTOMATED OPERATION OF A DEVICE IN A SURGICAL SPACE
20230126545 · 2023-04-27 ·

An exemplary system includes a memory storing instructions and a processor communicatively coupled to the memory. The processor may be configured to execute the instructions to obtain one or more operating characteristics of an instrument located in a surgical space; obtain one or more anatomical characteristics associated with the surgical space; and direct a computer-assisted surgical system to automatically perform, based on the based on the one or more operating characteristics of the device and the one or more anatomical characteristics associated with the surgical space, an operation with the instrument located in the surgical space.

TWO-DIMENSIONAL MEDICAL IMAGE-BASED SPINAL SURGERY PLANNING APPARATUS AND METHOD
20230127917 · 2023-04-27 ·

Proposed are an apparatus and method for spinal surgery planning, the spinal surgery planning method including: acquiring a two-dimensional (2D) spinal image of a patient through a medical imaging apparatus; calculating a registration relationship between coordinates in an image space and coordinates in a surgical space by registering the image space for the spinal image and the surgical space where spinal surgery is performed on the patient; generating a virtual three-dimensional (3D) figure in the surgical space; projecting the 3D figure onto the spinal image based on the registration relationship; adjusting the 3D figure so that the 3D figure can correspond to a predetermined landmark on the spinal image; and setting an insertion position and insertion path of a spinal prosthesis based on the spinal image and the 3D figure.

Navigation, tracking and guiding system for the positioning of operatory instruments within the body of a patient
11596480 · 2023-03-07 · ·

A navigation, tracking and guiding system for the positioning of operatory instruments inside the body of a patient. The system includes a control unit, a viewer and detecting means for determining the spatial position of the viewer. The system further includes a sensor associated to an operatory instrument and insertable inside the internal portion of the body of the patient. The control unit is configured to project on the viewer an image of the state of the internal portion.

Navigation system for vascular intervention and method for generating virtual x-ray image

Provided is a method of generating a virtual x-ray image, the method including: obtaining a 3-dimensional (3D) image of a patient; determining a projection direction of the 3D image in consideration of a position relationship between an x-ray source of an x-ray device and the patient; and generating a virtual x-ray image by projecting the 3D image on a 2D plane in the determined projection direction.

3D scanning of nasal tract with deflectable endoscope
11633083 · 2023-04-25 · ·

An apparatus includes a shaft, an imaging head, and a processor. The shaft includes a distal end sized to fit through a human nostril into a human nasal cavity. The imaging head includes an image sensor assembly, a plurality of light sources, and a plurality of collimators. At least some of the light sources are positioned adjacent to the image sensor assembly. Each collimator is positioned over a corresponding light source of the plurality of light sources. The processor is configured to activate the light sources in a predetermined sequence. The image sensor assembly is configured to capture images of a surface illuminated by the light sources as the light sources are activated in the predetermined sequence.

SYSTEMS AND METHODS FOR AUTOMATICALLY DETECTING ANATOMICAL FEATURES FOR PREOPERATIVE CARDIAC IMPLANT SIMULATIONS
20230119535 · 2023-04-20 · ·

Systems and methods for fully automated anatomical analysis of an anatomical structure are provided to facilitate pre-operative planning. The computerized method may include obtaining a plurality of images, e.g., MSCT images, of patient-specific cardiovascular anatomy, and analyzing the MSCT images with a trained artificial intelligence module to identify one or more anatomical landmarks and to construct a virtual three-dimensional model of the anatomical structure. For example, the trained artificial intelligence module may execute segmentation, point detection, curve detection, or plane detection deep learning modules, independently or in combination, to identify the anatomical landmarks. The method further may include deriving anatomical measurements of the one or more identified anatomical landmarks, and displaying the virtual three-dimensional model alongside the anatomical measurements of the one or more identified anatomical landmarks.

IMAGE GUIDANCE DURING CANNULATION

Systems, devices, and methods for integrating images from various sources and using the same to guide endoscopic procedures are disclosed. An endoscopic system comprises an endoscope to be positioned and navigated in a patient anatomy, and a processor configured to reconstruct a three-dimensional (3D) image of an anatomical target based on at least two images of the anatomical target. The at least two images can be calibrated and registered using respective landmarks. One or more secondary images can be integrated with the reconstructed 3D image. The reconstructed image or the integrated image, along with the endoscope navigation plan, can be displayed to a user. Based on the reconstructed or the integrated image, the processor can generate an endoscope navigation plan for use in an image-guided endoscopic procedure.