905results about "Diagnostic markers" patented technology

A dynamic reference base (DRB) and associated method are provided for rigidly affixing an array frame to bone for use in navigated or robotic surgery. The DRB includes a bridge element that includes a connecting rod having a distal end and a proximal end; a clamp coupled to the distal end of the connecting rod; a first and a second pin guide extending distally from the clamp; a locking nut disposed on the clamp; and a clutch coupled to the proximal end of the connecting rod, the clutch being adapted to couple to the array frame. The DRB also includes the array frame, which is couplable to the clutch, and is adapted to include a plurality of tracking markers disposed thereon.

A splint device (100) for robotically-guided surgery includes elongate first and second splint portions (200, 400) each having opposed longitudinal ends and an interface edge extending between the ends, wherein the respective interface edges (250, 450) are arranged as a complement to each other. First and second alignment elements (800A, 800B) engaged with the first and second splint portions are arranged to interact with each other such that a substantially consistent gap is defined between the first and second interface edges, from the first ends to the second ends of the first and second splint portions. A threaded member (900) is engaged between the first and second splint portions and arranged to advance the first and second interface edges toward each other in response to advancement of the threaded member. A tracking portion (1000) having a kinematic mount (1100) engaged therewith is engaged with the first or second splint portion and extends outwardly therefrom. An associated method is also provided.

The present disclosure includes systems for surgical navigation, the system comprising a tracking array attachable to a medical instrument, an image capturing device, and a navigation system that communicates with the image capturing device and generates tracking information of the medical device.

A system and method for locating and guiding a peripheral nerve evaluation (PNE) lead. The system comprising an X-ray system to capture images of the patient. The images are processed by the system and are provided to a user to utilize an augmented reality (AR) system for inserting a needle for placing leads for the PNE procedure.

Provided are methods and devices for facilitating the advancement of a catheter device, such as an intracardiac ultrasound examination catheter, through a body wall, such as the septum of the heart. The catheter device is advanced through a subject's vasculature to a first body cavity. The catheter device is coupled to a guidewire previously placed within the vasculature between the first and second cavities. The catheter device is then advanced from the first body cavity to the second body cavity through a body wall separating the first and second cavities. To facilitate this advancement, the catheter device can be magnetically coupled to the guidewire. The magnetic assembly can be provided on a distal portion of a sleeve through which the distal portion of the catheter is advanced. A malleable dilator element can also be provided on the distal portion of the sleeve.

A medical image processing device includes a first image acquiring unit, a second image acquiring unit, a first likelihood distribution calculating unit, a trackability determining unit, and a tracking unit. The first image acquiring unit acquires first images which are transparent images of the patient. The second image acquiring unit acquires second images which are transparent images of the patient generated at a time different from that of the first images. The first likelihood distribution calculating unit calculates a first likelihood distribution indicating a distribution of likelihoods indicating a likeness to the object in the first images. The trackability determining unit determines whether the object is trackable on the basis of the first likelihood distribution. The tracking unit tracks the position of the object in the second images on the basis of the result of determination.

A working end of a catheter includes at least one therapeutic element, such as a resistive heating element, usable to deliver energy for ligating, or reducing the diameter of, a hollow anatomical structure. In certain examples, the catheter includes a lumen to accommodate a guide wire or to allow fluid delivery. In certain embodiments, a balloon is inflated to place resistive element(s) into apposition with a hollow anatomical structure and to occlude the structure. Indexing devices and methods are also disclosed for successively treating portions of the hollow anatomical structure. In certain examples, marks along the catheter shaft provide visual verification to the physician of the relative position of the therapeutic element of the catheter. Embodiments of indexing devices may include pairs of rings and / or hinged arms that move a catheter a desired indexed position between successive treatments.

A surgical robot is coupled to the surgeon console. The surgical robot performs a robotic surgical procedure. The surgical robot includes one or more robotic surgical arms. A control system is coupled to the one or more robotic surgical arms. An artificial intelligence (“AI”) system includes a plurality of machine learning algorithms. The robotic surgical arms are at least partially controlled by the AI system and the control device to process intraoperative data including images captured by cameras and sensor inputs. The machine learning algorithms analyze the intraoperative data in real time, comparing it with stored images and procedural information in image recognition and procedure databases. The one or more machine algorithms enable at least partial identification of anatomical structures. In response to detection of the anatomical structures the AI system at least partially adjusts movement of the robotic surgical arms to avoid critical anatomical structures while performing the robotic surgery procedure to ensure precise targeting at the surgical site while minimizing damage to surrounding tissue at a surgical site. The AI system provides a surgeon with improved dexterity when the surgeon uses the robotic surgical arms at the surgical site, the improved dexterity resulting from at least partially analyzing the intraoperative data in real time by the one or more machine learning algorithms, enabling precise and adaptive manipulation of the robotic surgical arms at the surgical site.

Systems and methods of providing augmented reality assisted surgery are disclosed. Certain aspects provide a method including generating a virtual scene comprising one or more virtual elements comprising one or more anatomical elements corresponding to one or more anatomy parts. The method further includes identifying one or more references in an actual physical scene comprising the one or more anatomy parts. The method further includes registering the virtual scene to the one or more references to generate an augmented scene. The method further includes displaying the augmented scene on a display device.

A system for temporarily securing a reference marker on the skin of a patient or above the skin of a patient at user selectable heights during a surgical or diagnostic procedure comprises a reference marker, a surgical anchor and an adjustment key. The marker includes a marker body having an exterior profile within a three-dimensional space as measured along three axes, wherein the exterior profile of the marker body is not symmetric relative to any two of the three axes. The anchor includes an anchor shaft and a plurality of attachment features disposed along the anchor shaft between first and second ends thereof, wherein each respective attachment feature provides a point of attachment for the reference marker to the anchor shaft at a different respective length relative to one of the first or second ends. The adjustment key enables the reference marker to be secured at the desired height of the anchor shaft. Also disclosed is a reference marker having an adhesive on a surface thereof for securing directly to the skin of a patient.

A method and device for a surgical guide using augmented reality (AR) is disclosed. The surgical guide method using AR includes obtaining an image showing a surgery subject by using a camera of a wearable device worn by a user, recognizing a marker predefined in the image, determining expression attribute information of a three-dimensional (3D) image model to be projected onto the surgery subject based on the recognized marker, and displaying the 3D image model through the wearable device by projecting the 3D image model onto the surgery subject, based on the determined expression attribute information.

The invention discloses a magnetic positioning type balloon and CT fusion navigation system for a pericardial interventional operation, and belongs to the technical field of medical surgical navigation and minimally invasive interventional instruments. The problems that in the prior art, the visual field of an endoscope is not clear due to pericardial fluid, and a preoperative CT three-dimensional model and an intraoperative magnetic positioning space are difficult to rapidly and accurately register are solved. According to the balloon type pericardium endoscope, the liquid is injected into the balloon to drain pericardium liquid, and a clear pericardium wall tissue image is collected; the position and the posture of an image sensor in the endoscope in a magnetic positioning space are determined; setting an in-vitro mark point on the body of the target person; constructing a three-dimensional model of the heart and pericardium region by collecting CT data of the target person containing the in-vitro mark points; calculating a registration transformation matrix between the two spaces; mapping the real-time position and posture of the balloon type pericardium endoscope into the three-dimensional model of the heart area; and generating and outputting a navigation image fusing the three-dimensional model of the heart area and the real-time position of the endoscope. The invention is suitable for the technical field of medical machinery.

A local positioning system (LPS) is provided. The LPS includes at least three local position tracking devices, each further including one or more of: a clock synchronized to the clock in each of the other devices; a transmitter transmitting signals over time synchronized to the clock; and a receiver receiving the signals over time from the other devices. The LPS further includes a processor operatively coupled to at least one of the devices and that is configured to: obtain for each of the signals a location of the device that transmitted that signal; produce one or more representations of at least a part of a living body based on at least one of one or more of the locations and one or more further representations of the at least the part of the living body, each of the representations including one or more temporal frames; and to provide output.

Aspects of the present disclosure relate to systems, devices and methods for performing a surgical step or surgical procedure with visual guidance using an optical head mounted display. Aspects of the present disclosure relate to systems, devices and methods for displaying, placing, fitting, sizing, selecting, aligning, moving a virtual implant on a physical anatomic structure of a patient and, optionally, modifying or changing the displaying, placing, fitting, sizing, selecting, aligning, moving, for example based on kinematic information.

An embodiment includes a system comprising: a backbone; a first polyurethane shape memory polymer (SMP) foam on the backbone; a second polyurethane SMP foam on the backbone; a third polyurethane SMP foam on the backbone and between the first and second SMP foams. Other embodiments are described herein.

Tracking objects in medical procedures. At least one example is a method comprising: retaining a bone marker on a distal end of an installation tool, the bone marker comprising a polyhedron having a fiducial pattern on each of at least three outward facing surfaces of the polyhedron, an externally-threaded screw extending distally from the polyhedron, and a flange proximate to an intersection of the polyhedron and the externally-threaded screw; positioning a distal end of the externally-threaded screw against a bone at a marker location; screwing the externally-threaded screw into the bone by way of the installation tool; and trapping tissue against the bone beneath the flange.

A robotic interventional device control system includes an interventional device comprising a longitudinal axis and configured to rotate about the longitudinal axis; a controller configured to control rotational movement of the interventional device about the longitudinal axis; at least one sensor configured to detect rotational movement of the interventional device about the longitudinal axis; and one or more hardware processors configured to receive motion data from the at least one sensor, the motion data indicative of whether the interventional device is rotating. The one or more hardware processors are further configured to generate a user interface comprising an instrument window having a representation of the interventional device and an interventional device marker associated with the representation of the interventional device. The interventional device marker includes a radial progress indicator configured to provide a visual indication of a degree of rotation relative of the interventional device about the longitudinal axis.

The present disclosure features devices, systems, and kits for vascular occlusion and methods of use thereof.

A tracker, a surgical tool system, a surgical navigation system, and a method for operating a surgical navigation system are provided. The tracker is configured to be associated with a patient or a surgical tool that is to be tracked by the surgical navigation system. The tracker comprises an optical fibre having a longitudinal extension and configured to be optically coupled to a light source such that the optical fibre transmits light emitted by the light source. The optical fibre has a lateral surface along its longitudinal extension and is configured to emit light via at least a portion of the lateral surface.

A transperineal biopsy guide for use with an access needle and a transrectal imaging probe. The transperineal biopsy guide includes a mount, a guide member, and an access needle support structure. The mount is attachable to the probe. The guide member includes: a first side comprising a first distal member and a first surface extending proximally from the first distal member; a second side comprising a second distal member and a second surface extending proximally from the second distal member; and a gap between the first distal member and the second distal member. The access needle support structure is securable to the guide member in a distal position that inhibits vertical and distal displacement of the access needle support structure relative to the guide member while permitting disengagement from the distal position via proximal movement of the access needle support structure relative to the guide member.

Medical devices and related methods useful for needle access during medical procedures are described. The medical device may include a needle and a handle coupled to the needle, wherein the handle includes a body comprising a radiolucent material, a first marker proximate a proximal end of the body and a second marker proximate a distal end of the body. Each of the first marker and the second marker may include a radiopaque material, and the first marker may have a shape complementary to the second marker to align a position of the needle relative to a subject when visualized by X-ray imaging.

Systems and methods of providing augmented reality assisted surgery are disclosed. Certain aspects provide a method including generating a virtual scene comprising one or more virtual elements comprising one or more anatomical elements corresponding to one or more anatomy parts. The method further includes identifying one or more references in an actual physical scene comprising the one or more anatomy parts. The method further includes registering the virtual scene to the one or more references to generate an augmented scene. The method further includes displaying the augmented scene on a display device.

A method for detecting a magnetic marker comprises generating a driving magnetic field comprising first and second frequencies and detecting a response magnetic field comprising first and second response components. The magnetic marker provides a non-linear response to the driving signal. A primary portion of the response components is generated by the magnetic marker, and a secondary portion of the response components is generated by a secondary magnetic source. The method comprises determining a driving factor representing a ratio of the frequencies in the driving signal; determining a correction factor corresponding to the secondary portion of the second response component, based on the first response component and the driving factor; determining a detection signal corresponding to the primary portion of the second response component, based on the second response component and the determined correction factor; and generating an output signal based on a strength of the detection signal.

An integrated marker system used for registration of a pre-operative images with a surgical robot and subsequent robotic navigation during a robotic surgical procedure in includes a registration marker removably pre-attached to a navigation marker in a predetermined relative orientation. The integrated marker system may be placed on a patient's bony anatomy and used in an initial registration step. After completing registration, the registration marker may be removed leaving navigation marker available for robotic navigation and patient tracking.

A tracking surgery frame for tracking a patient via a surgical navigation system includes an opening for entry to an intervention region, which is arrangeable around an intervention region and fixable with or to the patient so that a geometrical relationship between the intervention region and frame does not change. A first rigid body has at least one first marker for being tracked by the navigation system. A second rigid body has a second marker for being tracked by the navigation system. At least three markers are connected to the frame. The frame provides access to and a view of the intervention region via the opening. The first rigid body is spaced further apart from the second rigid body than the first rigid body is spaced apart from a portion of the frame. The frame can be used with a navigation system, navigation method and computer-readable storage medium.

A method, a computer program product, a device, and a surgical navigation system for determining a marker arrangement that defines positions of markers of a tracker are provided. The markers are detectable by a first imaging modality and a second imaging modality that is different from the first imaging modality. The method comprises receiving first image data of the markers that were captured using the first imaging modality and receiving second image data of the markers that were captured using the second imaging modality. The method further comprises determining the marker arrangement based on the first and second image data.

The invention relates to marker bodies (10) for marking breast tissue for radiotherapy. The marker body (10) has a tubular body (12) made of a soft-elastic material, at least partially, which carries several radiopaque marker elements (18). The tubular body (12) is designed such that it offers little resistance to an external deforming force, but returns to its original shape in the absence of external forces. The tubular body (12) has two free longitudinal ends (14, 16) which can be detachably connected to each other or are connected to each other, forming a tubular ring.