2503results about "Diagnostic markers" patented technology

A robotic surgical system. a surgeon console operatively coupled to a patient console and one or more surgical instruments. A surgeon computer is coupled to or integrated with the surgeon console, the surgeon computer further operatively connected to the one or more surgical instruments; A surgical robot is coupled to a robotic surgery control system and a feedback loop. The robotic surgery control system includes or is coupled to an artificial intelligence (AI) system. A feedback loop is further configured to receive performance-related data from the one or more sensors, the data analyzed by the robotic surgery control system or the AI system to dynamically adjust the robotic system's operation as needed. A data extraction module retrieves, from the robotic surgery control system or the AI system. one or more programmed steps executed by the surgeon for positioning at least one of the surgical instruments during the surgical procedure.

Camera and / or other sensor analysis of skin, used to diagnose and monitor health conditions. A computer, receiving skin data from a user, where the skin data is images and / or other data of the skin. The computer processes the skin data identify skin conditions, their status, and to compare the skin data with information indicative of health conditions that are not skin diseases. This can be done by finding similar skin data to other data received from other people who have specified health conditions and / or by looking for changes from previous images. The skin data can be captured by a smart phone camera (alone or with digital peripheral attachments) or a dedicated capture device such as a periscope, one way mirror, or cubicle. An augmented reality marking system can be used to mark areas on the user's skin to compare against other previous skin images and / or data.

An intraluminal device is provided. In on embodiment, an intraluminal device includes a flexible elongate member including a proximal portion and a distal portion; an imaging component coupled to the distal portion of the flexible elongate member; and a plurality of radiopaque markers positioned at the distal portion of the flexible elongate member, wherein the plurality of radiopaque markers are separated from each other, wherein the plurality of radiopaque markers are arranged on the flexible elongate member at two different orientations with respect to the imaging component, and wherein at least a first radiopaque marker of the plurality of radiopaque markers includes an arc-shaped portion and an extended portion extending from the arc-shaped portion.

Needle-guiding systems and methods can facilitate establishing vascular access with a nonmagnetic needle. For example, a method of a needle-guiding system can include detecting and registering registration marks about a patient by patient-facing cameras of an alternative reality (“AR”) device, the AR device thereby establishing its location and orientation relative to a target area of the patient. The method can also include anchoring ultrasound images of the target area as viewed through a display screen of the AR device, the ultrasound images anchored about the patient relative to either an instant or previous location and orientation of the ultrasound probe; and providing an instant virtual needle trajectory of the needle as viewed through the display screen of the AR device, thereby indicating to a clinician whether the needle is properly oriented for establishing vascular access to a target vessel of the ultrasound images.

An ultrasound probe for sustained spatial attention. The ultrasound probe can include a display screen on a visible side of the ultrasound probe, the display screen coupled to ultrasound imaging components in the ultrasound probe, the ultrasound imaging components configured to capture live subcutaneous images and render the live subcutaneous images on the display screen. The ultrasound probe can further include one or more needle trajectories depicted on the display over the live subcutaneous images, the one or more needle trajectories configured to assist a user in guided insertion of a needle into an anatomical target under the ultrasound probe. The ultrasound probe can further include a light-pattern projector on the visible side of the ultrasound probe adjacent the display screen, the light-pattern projector configured to project a light pattern corresponding to a subcutaneous depth accessible by a needle.

Devices and methods for performing an interventional vascular procedure with visual guidance using one or more optical head mounted displays are disclosed. Devices and methods for compensating the display of an optical head mounted display for cardiac and / or respiratory motion are disclosed.

The invention discloses an insertion part, an endoscope and a control system, and relates to the field of medical instruments.The insertion part comprises a camera module, an instrument tube and a marking structure, the camera module is arranged at the far end of the insertion part, the instrument tube is provided with an instrument channel, the instrument channel penetrates through the two opposite ends of the insertion part, and the instrument channel is used for circulating a medium; the marking structure is adjacent to the camera module, and the marking structure is used for marking the flow path of the medium in the field of view of the camera module. The instrument tube is used for injecting a medium, the sheath tube provides a suction environment, the marking structure can present a flowing path of the medium on the camera module, a medical worker can observe the flowing path of the medium through the camera module, and the marking structure visualizes the flowing path of the medium. Furthermore, medical staff can clearly observe the distance between the flowing path and the calculus, the sheathing canal and the endoscope can be rapidly adjusted according to the relative position relation of the flowing path and the calculus, the use efficiency of the endoscope is improved, and the lithotripsy operation time is shortened.

A tool adapter, consisting of an adapter arm having a proximal end terminating with a connection and a distal end having a circular coupling, the circular coupling having a center and defining an axis orthogonal to the circular coupling and passing through the center. The adapter also has a tool grip rotatingly connected to the circular coupling so as to permit rotation of the tool grip about the axis, the tool grip being configured to fixedly retain a tool along the axis.

A system and method are provided for aligning a tool with a targeted axis in tissue to perform a medical procedure. A medical plan is registered to the location of the tissue using a computer-assisted medical system, where the medical plan include a planned position for the targeted axis based on pre-procedure data. The tool is aligned with the planned position for the targeted axis using a computer- assisted medical system. The computer-assisted medical system includes a hand- held device having a handle and a working portion adjustable relative to the handle so as to orient the tool. A computing system is also provided comprising a tracking system and a control system for registering the medical plan to the location of the tissue, tracking the hand-held device relative to the tissue and the medical plan, and adjusting the working portion of the hand-held device relative to its handle.

Systems and methods for stereotactic localization of components include a system for stereotactic localization of a component during a surgical procedure. In some cases, the system includes one or more of an instrument, a plurality of markers disposed on the instrument, one or more sensors configured to detect a position of each of the markers, and an output device. In some cases, the system is configured to calculate a digital 3-dimensional array based on the position of at least some of the plurality of markers, compute a location of the instrument, and communicate the location of the instrument to a user of the system through the output device. Other implementations are described.

Camera and / or other sensor analysis of skin, used to diagnose and monitor health conditions. A computer, receiving skin data from a user, where the skin data is images and / or other data of the skin. The computer processes the skin data identify skin conditions, their status, and to compare the skin data with information indicative of health conditions that are not skin diseases. This can be done by finding similar skin data to other data received from other people who have specified health conditions and / or by looking for changes from previous images. The skin data can be captured by a smart phone camera (alone or with digital peripheral attachments) or a dedicated capture device such as a periscope, one way mirror, or cubicle. An augmented reality marking system can be used to mark areas on the user's skin to compare against other previous skin images and / or data.

Systems and methods for surgical robotic navigation include multiple small surgical markers which avoid interfere with line of sight and do not otherwise disturb the surgical staff, while providing a convenient and highly accurate methodology for tracking and compiling the markers. Multi-arm robotic surgery systems are described in various embodiments that hold surgical tools and navigation cameras and optimally make use of several small surgical markers placed on patient anatomy of interest, surgical tools and the robotic arms. The small surgical markers are mathematically compiled so that the navigation cameras see a larger “compiled” surgical marker, thus providing greater accuracy.

The inventions provided herein relate to injection applicators, tissue markers and uses thereof, e.g., to mark a target tissue site (e.g., a biopsy site in a breast tissue) or to produce a cell scaffold. The tissue markers described herein are designed to be resistant to fast migration (e.g., immediate migration after implantation through a needle track) and slow migration (e.g., over an extended period of time) upon implantation at a target tissue site (e.g., a biopsy site in a breast tissue), without using an adhesive. Additionally or alternatively, the tissue markers described herein can be readily detectable by at least one imaging modality, e.g., but not limited to magnetic resonance imaging, X-ray imaging, ultrasound imaging, or a combination thereof.

Intravascular imaging devices as well as methods for making and using intravascular imaging devices are disclosed. An intravascular imaging device may include a catheter shaft including a proximal section and a distal section. The distal section may include a dual lumen region and a distal tip region coupled to the dual lumen region. The distal tip region may include a bumper tip member, a radiopaque member, and a sleeve disposed over and coupling the bumper tip member and the radiopaque member. An imaging core may be disposed within the catheter shaft.

Intravascular imaging devices as well as methods for making and using intravascular imaging devices are disclosed. An intravascular imaging device may include a catheter shaft including a proximal section and a distal section. The distal section may include a dual lumen region and a distal tip region coupled to the dual lumen region. A bumper tip member may be disposed along the distal tip region. A marker member may be disposed adjacent to the bumper tip member. The marker member may include an inner layer, a tie layer, and an outer layer including a radiopaque material. A sleeve may be disposed over and couple the bumper tip member and the marker member. An imaging core may be disposed within the catheter shaft.

Visualization systems, devices, and methods, optionally adapted for intubation. The systems may be adapted to cause information from a first camera to have more of an influence on the actuation of a introducer that information from a second camera. Introducers herein may include a shaft that includes one or more markers thereon.

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.

An implantable marker for imaging and surgical guidance by susceptometry comprising one or more pieces of a ferromagnetic material having a total length to diameter ratio of at least about 500, and a total volume of less than about 1×10−11 m3. The one or more pieces of ferromagnetic material may have a high initial relative permeability (μr,i)>about 1000. Also disclosed is a detection system for locating an implantable marker comprising such an implantable marker; at least one drive coil arranged to excite the marker with an alternating magnetic field, and at least one sense coil arranged to detect a signal received from the excited marker; a magnetic field generator arranged to drive an alternating magnetic field through the at least drive coil; and at least one detector arranged to receive the signal from the sense coil and detect one or more harmonics of the drive frequency in the received signal.

A tracker for a surgical navigation system is provided. The tracker includes one or more markers for determining a position of the tracker and an attachment element configured to releasably attach the tracker to a surgical tool. The attachment element includes an opening for receiving the surgical tool, wherein the opening defines a longitudinal axis. The one or more markers are coupled to the attachment element so as to be symmetrically arranged with respect to the longitudinal axis.

Medical devices are disclosed having improved visualization of a portion of the medical device insertable into a patient's body while minimizing obstruction of fluid flow through a lumen of the device and while minimizing an increase in the outer diameter of the device attributable to the feature providing improved visualization. The device can include, for example, an imaging marker distal to lumen openings (exit ports), or, where the device comprises a tube, such as a metallic tube, an imaging marker embedded into a wall of the tube. Another embodiment includes attaching a marker to the surface on the inside of a lumen of a medical device without embedding the marker. Various alternative embodiments, methods and applications of using such devices are disclosed as well.

First and second tracker assemblies each having a single optical marker are secured to a bone, with the first tracker assembly also including a motion sensor. A localizer optically tracks the optical marker positions, and a pose of a tracker coordinate system (TCS) associated with the tracker assemblies according to three positional DOF and two rotational DOF is determined from the tracked marker positions. Measurements from the motion sensor are utilized to determine an angle of inclination with respect to gravity, and an orientation of the TCS according to a further rotational DOF defined about a virtual line extending between the optical markers is determined from the angle of inclination. A pose of the bone according to six DOF is then determined from the determined pose of the TCS according to three positional and two rotational DOF and the orientation of the TCS according to the further rotational DOF.

The invention relates to the technical field of ablation, in particular to a flexible electrode pulse ablation catheter, a pulse ablation device and ablation equipment.The ablation catheter comprises a catheter body with a far end and a near end which are oppositely arranged, and the catheter body comprises a traction structure and a conveying pipe assembly arranged on the traction structure in a sleeving mode; the electrode assembly comprises at least one connecting pipe and at least two electrodes, every two adjacent electrodes are fixedly connected through the corresponding connecting pipe, and each electrode is of a tubular structure internally provided with a cavity; one end of the traction structure penetrates through the conveying pipe assembly, then extends into the electrode assembly and is fixedly connected with one end of an electrode arranged close to the far end of the pipe body. Under the action of external force, the traction structure can drive the two opposite ends of the same electrode to move oppositely or move away from the tubular structure until the tubular structure shrinks or expands. The flexible degree of the electrode assembly can be improved, the electrode with a larger area can be attached to the focus, conveying and ablation at the large-angle position of the periphery of the focus are achieved, the ablation effect is guaranteed, and the ablation success rate is increased.

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.

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.

Surgical marker systems and methods for delineating a lesion margin of a subject are provided. An example system includes a handheld probe device configured to capture an optical coherence tomography (OCT) image and a processor coupled to a memory. The handheld probe device includes a handheld probe including a fiber-optic probe assembly and a marker assembly. The processor is configured to: segment, by a neural network, each pixels of the OCT into different tissue-type categories; generate one or more feature vectors based at least in part on the segmented pixels; determine, by a one-class classifier, a boundary location in the OCT image between a normal tissue and an abnormal tissue of the tissue structure; and control the marker assembly to selectively create a visible label on a tissue location of the subject, the tissue location corresponding to the boundary location.

Devices and methods for making a polymer with a porous layer from a solid piece of polymer are disclosed. In various embodiments, the method includes heating a surface of a solid piece of polymer to a processing temperature and holding the processing temperature while displacing a porogen layer through the surface of the polymer to create a matrix layer of the solid polymer body comprising the polymer and the porogen layer. In at least one embodiment, the method also includes removing at least a portion of the layer of porogen from the matrix layer to create a porous layer of the solid piece of polymer.

A method of evaluating a human knee joint includes: inserting a tensioner-balancer; moving the knee joint to one or more positions within its range of motion; using the tensioner-balancer to maintain a predetermined distraction load range or a predetermined distraction height range, and collecting distraction height data and distraction force data of the femur relative to the tibia; deriving ligament displacement data and load data; processing the collected data to produce a digital geometric model of the knee joint, wherein the model includes a ligament force versus displacement characterization curve for each of a plurality of flexion angles; using a software application, evaluating the digital geometric model of the knee in comparison to patient population data; using the software application, selecting a portion of the characterization curve that represents an optimized level of ligament tautness, based on the evaluation; and storing the digital geometric model for further use.

A system for tracking an object in computer-assisted surgery, may include a processing unit; and a non-transitory computer-readable memory communicatively coupled to the processing unit and comprising computer-readable program instructions executable by the processing unit for: tracking the object optically using a tracker having a trackable portion with a joint enabling movement, the trackable portion being viewed by a tracker device; receiving signalling indicative of a change of position and / or orientation of the trackable portion relative to the object, by movement at the joint; and tracking the object optically using the tracker having the trackable portion viewed by the tracker device using the change of position and / or orientation.

Systems, methods, and apparatus are described herein for real-time tracking and monitoring of arrays and bones during a surgical procedure. For example, a tracking array (e.g., a surveillance marker) may be affixed to an implant to be inserted in a patient. The implant may be, for example, a pedicle screw or a cage. Affixing the tracking array to the implant may allow the surgeon to monitor the patient array location without an additional incision and / or a second imaging (e.g., additional patient radiation exposure).