1025results about "Surgical microscopes" patented technology

A surgical device includes a plurality of cameras integrated therein. The view of each of the plurality of cameras can be integrated together to provide a composite image. A surgical tool that includes an integrated camera may be used in conjunction with the surgical device. The image produced by the camera integrated with the surgical tool may be associated with the composite image generated by the plurality of cameras integrated in the surgical device. The position and orientation of the cameras and / or the surgical tool can be tracked, and the surgical tool can be rendered as transparent on the composite image. A surgical device may be powered by a hydraulic system, thereby reducing electromagnetic interference with tracking devices.

A surgical microscope lighting control system comprising a controller configured to: estimate or determine a lighting need of a surgeon during at least part of a surgical procedure based at least on a viewing status of a region of illumination, wherein the viewing status of the region of illumination is estimated or determined (a) based at least on whether or not the region of illumination is being displayed, or (b) based at least on tracking data of the surgeon or a head-mounted display; determine an adjustment to be made to an illumination provided by a lighting unit of a surgical microscope based on the lighting need; and in response to determining the adjustment, send a first signal to the lighting unit to change the illumination according to the adjustment.

New and innovative systems and methods for calibrating and correcting sensors associated with a collaborative robot are disclosed. An example system comprises: at least one robotic arm; a sensor affixed to a location on the robotic arm, wherein the sensor measures force and torque across six degrees of freedom (6DOF); a processor; and memory. The system may receive, from the sensor, sensor input in real-time that indicate a measured force or torque. The system may generate, in real-time, sensor corrections that correspond to offset, linear, and non-linear deviations of the measured force in each sensor axis. The sensor corrections may correspond to offset, linear, and non-linear cross-coupling of the measured force between two or more sensor axes. The sensor corrections may be determined by applying offset, linear, and non nonlinear corrections to each degree of freedom (DOF) from every other DOF.

A system, method, and apparatus for displaying a fused reconstructed image with a multidimensional image are disclosed. An example imaging system receives a selection corresponding to a portion of a displayed multidimensional visualization of a surgical site. At the selected portion of the multidimensional visualization, the imaging system displays a portion of a three-dimensional image which corresponds to the selected multidimensional visualization such that the displayed portion of the at least one of the three-dimensional image or model is fused with the displayed multidimensional visualization.

The present disclosure relates to visualization systems system for surgical procedures, and more specifically, to an imaging and display support system for ophthalmic visualization systems. The optical system described herein provide improved ergonomics for surgeons, as such systems incorporate an optical head and a corresponding display on a single support arm to provide surgeons a direct and unobstructed view of the corresponding display screen placed in an ergonomically advantageous position for ophthalmic procedures. Such systems also maintain the corresponding display screen in the aforementioned in an ergonomically advantageous position even if the optical head of the system is moved or rotated during ophthalmic procedures without the need for further adjustments by the surgeon or surgical staff.

A micromanipulator comprising: a first frame portion defining an axial direction extending from a first proximal end to a first distal end; a second frame portion; a tool holder coupled to the second frame portion; a first connecting portion coupling the second frame portion and the first frame portion at the first distal end in resilient pivotable coupling; and a second connecting portion coupling the second frame portion and the first frame portion at the first proximal end in resilient pivotable coupling. The first frame portion, the second frame portion, the first connecting portion, and a second connecting portion form a flexural frame. The flexural frame is resiliently biased to a first frame state in which the tool holder is in a retracted position.

Methods and apparatus for quantifying an injected volume in an area of tissue during a medical procedure. In one example, a method includes determining a pixel-to-size scale parameter based on a pixelated image of a reference object included in a FOV of an optical instrument configured to perform volumetric imaging, the FOV further including an injection site; computing a first 3D model of the injected volume in the area of tissue based on a volumetric image of the FOV obtained using the optical instrument; refining the first 3D model to obtain a second 3D model of the injected volume, the refining including correcting a shape and a size of the first 3D model to reduce distortions associated with light refraction at a boundary of the injected volume in the area of tissue; and calculating a value of the injected volume based on the second 3D model and further based on the pixel-to-size scale parameter.

A description is given of techniques in connection with carrying out an assistance functionality for a surgical microscopy system. The assistance functionality—for example auto-centring or measurement of a surgical instrument—is carried out in connection with multiple objects that are depicted in an image captured by way of the surgical microscopy system. Prioritization information for the objects is furthermore also taken into consideration, for example in order to perform classification into relevant and irrelevant objects.

Devices, methods, and systems related to a robot-assisted ophthalmic surgical platform for cataract surgery are provided. For example, there is a computer-controlled ophthalmic robotic surgical system including: a multimodal visualization subsystem; a tool exchange system; a plurality of robotic arms configured to receive and manipulate surgical tools; an artificial intelligence (Al) subsystem configured to produce outputs using the imaging data from the visualization subsystem, including: acquired data of the operative eye, extracted patient-specific metrics from the data for the operative eye; a trajectory planner configured to determine a trajectory path for a selected one of a plurality of surgical tools; and a control system configured to receive and execute the determined trajectory path on the operative eye, in which the trajectory path is modified in real-time based on data from one or more of the visualization subsystem and Al subsystem.

A motion control system is disclosed for enabling three-axis positioning of an optical device, such as a portable microscope. The system includes an XY actuator module for lateral movement in orthogonal planar directions, a Z actuator module for vertical displacement to adjust focus, and a wireless control interface. The wireless control interface comprises a joystick and momentary switches, allowing independent, hands-free control of all three axes via radio frequency signals. The actuator modules are modular, lightweight, and powered by batteries or external power sources, making the system highly portable and suitable for field or surgical applications. The Z actuator adjusts only the objective lens, reducing weight and enabling micro-level focal changes without moving the entire microscope body. The system offers precision, stability, and ease of deployment, improving user ergonomics and operational efficiency in both clinical and mobile environments.

The invention belongs to the technical field of medical instruments, particularly relates to a microscope imaging device for an ophthalmologic operation, and aims to overcome the defects that in the prior art, when an operation is carried out on a patient, an eye operation area of the patient cannot be marked, and when the operation is carried out on the patient, eyelids of the patient are inconvenient to open. A vertical electric guide rail is installed on the base, a transverse electric guide rail is installed on the vertical electric guide rail, an arc-shaped electric guide rail is installed on the transverse electric guide rail, and an installation rod is fixedly installed on the arc-shaped electric guide rail. According to the eyelid distraction device, eyelids of a patient can be conveniently distraction, meanwhile, eyeball affected parts of the patient can be marked, so that when the patient is subjected to an operation, the accuracy of the operation can be effectively improved, and good convenience can be provided for a doctor.

A control system of an aspect according to the present disclosure includes a robot including an actuator, and an estimation section that estimates external force received by the robot on the basis of state information of the robot, in which the actuator includes an encoder on an output shaft side, a speed reducer that has backdrivability, that is coupled to the encoder on the output shaft side, and that is a load element, a motor coupled to the speed reducer, and an encoder on an input shaft side which encoder is coupled to the motor.

The disclosure relates to a medical AR system (1) for intraoperative planning with a movable visualization unit (2) whose position and orientation are adjustable, and which creates and digitally provides a real-time image (18) of the patient (7), in particular an intracorporeal image, a visual display device (10) and a navigation system (6) with a data provisioning unit which digitally provides stored preoperative 3D images of the patient (7), wherein the navigation system (6) is adapted to capture a position and orientation of the visualization unit (2) in a global coordinate system relative to the registered patient (7).The medical AR system (1) further comprises a control unit (12) adapted to generate a section plane in relation to the position and orientation of the visualization unit (2), to generate a section view (16) of the preoperatively generated 3D images of the patient (7) based on the section plane, to generate an AR overlay display (14) with the current image (18) and the generated section view (16) of the 3D image data, and to output this display via the visual display device (10). The disclosure also relates to an intraoperative planning method as well as a computer-readable storage medium and computer program according to the dependent claims.

The utility model relates to the technical field of medical instruments, and discloses an adjustable operating microscope swing arm which comprises a movable base, the upper surface of the movable base is fixedly connected with a supporting column, a plurality of holes are formed in the supporting column in a penetrating mode, the bottom of the inner wall of the supporting column is rotationally connected with a threaded rod, and the threaded rod is fixedly connected with the movable base. A first bevel gear is fixedly connected to the upper end of the threaded rod, a rotating rod is rotationally connected to the interior of the supporting column, and a second bevel gear is fixedly connected to one end of the rotating rod. According to the device, an adjusting block is rotated to enable a fixing plate to drive a second bevel gear to rotate, so that the effect of driving the second bevel gear and a first bevel gear to rotate in a meshed mode is achieved, then through rotation of the first bevel gear, the effect of driving a support on the outer wall of a threaded sleeve to slide on the inner wall of an opening is achieved, and the support pushes a stabilizing block to make contact with the ground; therefore, the effect of stabilizing the swing arm conveniently is achieved, and the placing stability of the swing arm is improved.

The present invention relates to a method of identifying or monitoring circulatory failure in a subject, which method comprises assessing the microcirculation in the limbus and optionally also the bulbar conjunctiva of the subject, said method comprising assessing the following parameter(s) in the subject's limbus and optionally also in their bulbar conjunctiva: (i) functional capillary density (FCD); and / or (ii) capillary flow velocity (CFV); wherein parameters (i) and (ii) are assessed by microscopy. The present invention also relates to apparatus and software designed for performance of such a method.

Aspects of the present disclosure relate to systems, devices and methods for performing a surgical step or surgical procedure using a microscope or endoscope with virtual display(s) by an augmented reality display device (ARDD). A computer processor can be configured to adjust or select the focal plane and / or focal point of the display of the virtual data by the ARDD based on a focal plane of the microscope or endoscope. The depth of field of the virtual display can be adjusted to overlap with the depth of field of the microscope or endoscope. The field of view of the ARDD can be larger than that of the microscope or endoscope and the ARDD can be configured to display target tissues that extend outside the field of view projection of the microscope or endoscope.

The present disclosure relates to a medical surgical microscope (1) for a surgical procedure on a patient (P), comprising: a moveable microscope head (2) with an optical system (4) with a focus system (6) for focus adjustment to a focal point (8), the microscope (1) being adapted to provide an optical magnification of a target surgical area and to generate a digital microscope image, a movable robotic microscope arm (16) that is connected to a microscope base (18) to which the movable microscope head (2) is connected that is adapted to adjust a position and / or an orientation of the microscope head (2), and a control unit (22) that is at least adapted to control the focus system (6) and the movable robotic microscope arm (16). The control unit (22) is adapted to: detect a first focal point (8) of the focus system (6) in a first position and orientation of the microscope head (2), wherein the first focal point (8) is located in a first focal plane (36) that is perpendicular to the optical axis (10) of the microscope head (2) in the first position and / or orientation, move the microscope head (2) into a second position and / or orientation, compute a second focal point (8') by determining a second focal plane (36') that crosses the first focal point (8) and is perpendicular to the optical axis (10') of the microscope head (2') in the second position and / or orientation in which the second focal point (8') is located, and to adjust the focus of the focusing system (6) to the second focal point (8') and for every point in time, the first focal point (8) is projected on the point where the second focal plane (36') and the optical axis (10') cross.

The invention provides an imaging system, an exterior mirror system comprising the same, an operating microscope system and an automatic focusing method, the imaging system comprises an image acquisition device, a control unit and a calibrator, the image acquisition device comprises a variable-focus objective lens and at least one imaging unit, and the imaging unit comprises an imaging lens group and a photoelectric converter; the calibrator can emit focusing laser, and the focusing laser is irradiated to a target area through the variable-focus objective lens; and the control unit is configured to adjust the variable-focus objective lens based on the position of a light spot formed by the focusing laser emitted by the calibrator in the target area in the image so as to realize automatic focusing of the variable-focus objective lens.

A system includes an imaging device configured to perform three-dimensional imaging of at least a portion of an eye of a patient, such as one or both of an OCT and a 3D camera. A sensor is configured to sense a location of a trocar cannula positioned in the eye of the patient. A controller is configured to receive one or more three-dimensional images from the imaging device and receive coordinates of the trocar cannula from the sensor. The controller generates a three-dimensional map of the eye from the one or more three-dimensional images and the coordinates, the three-dimensional map including a representation of the trocar cannula. The controller further generates guidance for performing an ophthalmic procedure according to the three-dimensional map, such as an instrument envelope and / or instrument path. The controller outputs the guidance to a display device or uses the guidance to control a robotic arm.

An apparatus for obtaining an image of a retina is described herein. The apparatus includes an optical relay that defines an optical path and is configured to relay an image of the iris along the optical path to a pupil, a shutter is disposed at the pupil and configured to define at least a first shutter aperture for control of light transmission through the pupil position, a tube lens disposed to direct light from the shutter aperture to an image sensor, and a prismatic input port disposed between the shutter and the tube lens and configured to combine, onto the optical path, light from the relay with light conveyed along a second light path that is orthogonal to the optical path.

Provided herein are systems and methods for imaging using a microscope system comprising removeable or replaceable component parts. Such systems and methods employ semi-kinetic coupling for easy, tool-free attachment of the microscope system to a baseplate. Systems and methods provided herein may comprise simultaneous imaging and stimulation using a microscope system. The microscope system can have a relatively small size compared to an average microscope system.

A system and method for assisting a surgeon performing an ophthalmic procedure on an eye of a patient, the system including a lubrication assembly. The lubrication assembly may be disposed on a proximal end of a robotic arm, a proximal end of a surgical microscope, or a proximal end of a mobile stand or frame. Dispersal of lubricant from the lubrication assembly may be upon receipt of a direct input from a surgeon, according to a predetermined schedule, or according to an image processing protocol. The lubrication assembly may be moved into position over the eye of the patient manually by the surgeon or through the indirect command of a motion controller which is operable to move the robotic arm or the surgical microscope so as to extend the lubrication assembly into a desired position.

The invention discloses a living blood vessel and lymph multi-parameter quantitative photoacoustic microscopic imaging system which comprises a high repetition frequency laser source, a photoacoustic scanning probe and a molecular imaging device. Through the cooperation of the multi-wavelength fast switching laser and the high-speed scanning probe, synchronous, dynamic and quantitative imaging of vascular function parameters and lymph concentration in a living tissue microenvironment is realized. The system has a video-level imaging rate and can capture a rapid biological process; through coaxial design of dispersion correction and a photoacoustic focus, high spatial resolution and high signal-to-noise ratio of a multispectral image are guaranteed; and the compact probe design realizes large-range scanning. The technology provides a powerful in-vivo visualization tool for research on life science problems such as tumor evolution and drug metabolism.

A system includes an actuator, one or more items of diagnostic equipment configured to perform ophthalmic measurement, and one or more items of treatment equipment configured to facilitate performance of an ophthalmic treatment with respect to an eye of a patient. A controller is coupled to the actuator and is configured to cause the actuator to transfer the one or more items of diagnostic equipment and the one or more items of treatment equipment into and out of a region in front of an eye of the patient. The ophthalmic treatment may be a LASIK or SMILE treatment using refractive error and / or eye geometry measured using the diagnostic equipment.

A system and method for visualizing blood flow are disclosed. The method generally includes obtaining a laser speckle contrast imaging (LSCI) image of blood flow; obtaining a white light image of a tissue, the white light image capturing an anatomical structure of a subject in a region associated with the LSCI image of the blood flow; spatially registering the LSCI image and the white light image with one another; overlaying the spatially registered LSCI and white light images; and generating display data which includes the spatially registered LSCI and white light images and that continuously depicts the blood flow overlaying the tissue.

A system includes an actuator, one or more items of diagnostic equipment configured to perform ophthalmic measurement, and one or more items of treatment equipment configured to facilitate performance of an ophthalmic treatment with respect to an eye of a patient. A controller is coupled to the actuator and is configured to cause the actuator to transfer the one or more items of diagnostic equipment and the one or more items of treatment equipment into and out of a region in front of an eye of the patient. The ophthalmic treatment may be a LASIK or SMILE treatment using refractive error and / or eye geometry measured using the diagnostic equipment.

A system for automatically focusing ("autofocusing") a microscope during an inner limiting membrane (ILM) peeling maneuver is configured to output low-coherence infrared (IR) light toward the eye during the maneuver. The system includes an interferometer that senses an axial distance between the microscope and ILM and outputs distance signals indicative of the sensed axial distance. An electronic control unit (ECU) is in communication with motor-driven lenses of the microscope and with an IR light source of the interferometer. Execution of the instructions causes the ECU to receive the distance signals from the interferometer. In response to the distance signals, the ECU transmits a focus control signal to the lens(es) to thereby resolve the ILM with a desired depth-of-field. The ECU automatically adjusts a focus level of the microscope on the ILM to accommodate for respiration-related movements of the patient.

A visualization system includes an observation apparatus having a first image recording device to observe an operation region with a first observation plane, and an endoscope having a probe and a second image recording device to observe the operation region with a second observation plane. A display device represents a first image recorded by the first image recording device in a first orientation and a second image recorded by the second image recording device in a second orientation. The visualization system further includes a tracking system to determine an orientation of the endoscope relative to the observation apparatus and a controller configured to transform the second image based on the orientation of the endoscope relative to the observation apparatus.

The present disclosure relates to a computer-implemented method for calibrating an optical system of a surgical microscope, a corresponding computer program, a computer-readable storage medium storing such a program and a computer executing the program, as well as a medical system comprising an electronic data storage device and the aforementioned computer. The present disclosure further relates to a computer-implemented method, a computer program and a system for determining the spatial position of an object to be tracked not only via the surgical microscope, but also via a separate detection system. In case a deviation between the detected spatial positions is recognized, the optical system of the surgical microscope is re-calibrated.

Provided is a microdrape configured so that attachment of the microdrape to a surgical microscope is facilitated. This microdrape comprises: a lens cap unit that is attached to or detached from a housing of an objective lens of a surgical microscope; a protective lens that protects the objective lens; and a drape body that covers the surgical microscope. The lens cap unit is provided with: a cylinder-shaped tubular body having an inner diameter dimension larger than that of the housing; a plurality of protrusions protruding, radially inward from the inner peripheral surface of the tubular body, at separate positions in a circumferential direction of the tubular body; and a biasing member for biasing a protrusion, from among the protrusions, which is supported so as to be retractable from the tubular body, in a direction protruding from the inner peripheral surface of the tubular body. The protective lens is supported by the distal end of the tubular body in a state of being inclined relative to the optical axis of the objective lens.