A61B2090/372

Method for analysing a dental situation

A method for analyzing a real dental situation of a patient. The method includes steps, as follows, in succession. At an updated instant, acquisition of an updated image representing a real dental scene as observed by an operator. Determination of a virtual dental scene as a function of the representation of the real dental scene on the updated image. Presentation of the virtual dental scene in transparent mode and overlaid on the real dental scene, or display of the updated image on a screen and presentation of the virtual dental scene overlaid with the representation of the real dental scene on the updated image displayed on the screen, in transparent mode or not on the representation.

Self-contained electromagnetic tracking unit

An electromagnetic tracking system includes a magnetic transmitter configured to output magnetic fields, a receiver responsive to the magnetic fields, an electronics assembly having conductive elements that cause distortion to the magnetic fields, and an output mechanism configured to output a position of the receiver relative to the magnetic transmitter, wherein the magnetic transmitter has at least one winding disposed around a hollow ferromagnetic core comprised of conductive material through which current is made to flow by the electronics, wherein the electronics assembly is at least partially contained within the hollow portion of the hollow ferromagnetic core. Methods of manufacturing include shaping walls into a hollow shell to surround an electronics assembly, covering the hollow shell with ferromagnetic material, inserting the wrapped hollow shell into a plastic bobbin, and winding the plastic bobbin with coil wire to produce three orthogonal windings.

WEARABLE DEVICE AND METHOD FOR ADJUSTING DISPLAY STATE BASED ON ENVIRONMENT
20220342220 · 2022-10-27 · ·

A wearable device and a method for adjusting a display state based on an environment are provided. The method is adapted for the wearable device. The method includes: capturing an environmental image; when determining that there is a specific object in the environmental image, determining a display mode of a display circuit based on the specific object; and controlling the display circuit to be adjusted to a display state corresponding to the display mode.

Cooperative robotic surgical systems

A robotic surgical system includes a first automated surgical system with a first user control console; a first robotic actuator; and a first surgical system controller comprising a first processor and a first memory component configured to store a first set of processor instructions and a first set of processor data. The robotic surgical system further includes a first surgical system communication interface; and a second automated surgical system that has a second user control console; a second robotic actuator; a second surgical system controller comprising a second processor and a second memory component configured to store a second set of processor instructions and a second set of processor data; and a second surgical system communication interface in data communication with the first surgical system communication interface. The second automated surgical system is controllable through the first user control console.

Augmented reality glasses with auto coregistration of invisible field on visible reality

Augmented reality glasses with auto coregistration of an invisible field on visible reality which allows eyes to recognize a real space and precisely performs coregistration on only diagnosis and treatment information of invisible light, which is emitted from a specific area, to the real space.

IDENTIFYING FOLLICULAR UNITS
20220343493 · 2022-10-27 ·

A follicular unit harvesting process receives images for analysis and identifies and highlights clusters of hair. The analysis includes pixel type determination, pixel clustering, cluster classification and cluster highlighting or replacement. The analysis of the pixels is performed concurrently, and the results of the analysis are optionally used for automated treatment planning.

Registration of surgical tool with reference array tracked by cameras of an extended reality headset for assisted navigation during surgery
11607277 · 2023-03-21 · ·

A camera tracking system is disclosed for computer assisted navigation during surgery. The camera tracking system is configured to identify a reference array tracked by a set of tracking cameras attached to an extended reality (XR) headset, and determine whether the reference array is registered as being paired with characteristics of one of a plurality of surgical tools defined in a surgical tool database. The camera tracking system is further configured to, based on the reference array being determined to not be registered and receiving user input, register the reference array to be paired with characteristics of one of the plurality of surgical tools selected based on the user input. The camera tracking system is further configured to provide a representation of the characteristics to a display device of the XR headset for display to the user.

Open view, multi-modal, calibrated digital loupe with depth sensing
11611735 · 2023-03-21 · ·

A digital loupe system is provided which can include a number of features. In one embodiment, the digital loupe system can include a stereo camera pair and a distance sensor. The system can further include a processor configured to perform a transformation to image signals from the stereo camera pair based on a distance measurement from the distance sensor and from camera calibration information. In some examples, the system can use the depth information and the calibration information to correct for parallax between the cameras to provide a multi-channel image. Ergonomic head mounting systems are also provided. In some implementations, the head mounting systems can be configurable to support the weight of a digital loupe system, including placing one or two oculars in a line of sight with an eye of a user, while improving overall ergonomics, including peripheral vision, comfort, stability, and adjustability. Methods of use are also provided.

SURGEON HEAD-MOUNTED DISPLAY APPARATUSES

An augmented reality surgical system includes a head mounted display (HMD) with a see-through display screen, a motion sensor, a camera, and computer equipment. The motion sensor outputs a head motion signal indicating measured movement of the HMD. The computer equipment computes the relative location and orientation of reference markers connected to the HMD and to the patient based on processing a video signal from the camera. The computer equipment generates a three dimensional anatomical model using patient data created by medical imaging equipment, and rotates and scales at least a portion of the three dimensional anatomical model based on the relative location and orientation of the reference markers, and further rotate at least a portion of the three dimensional anatomical model based on the head motion signal to track measured movement of the HMD. The rotated and scaled three dimensional anatomical model is displayed on the display screen.

SURGICAL SYSTEM WITH AUGMENTED REALITY DISPLAY

A surgical system includes a detector that includes an array of pixels configured to detect light reflected by a surgical device and generate a first signal. The first signal includes a first dataset representative of a visible image of the surgical device. The surgical system also includes a processor configured to receive the first signal and a second signal representative of one or more operating parameters of the surgical device. The processor is also configured to generate a modified image of the surgical device that includes information related to one or more operating parameters.