40 results about "Anatomical surface" patented technology

System and method for lidar-based anatomical mapping is provided. In one implementation, a LIDAR imaging technology is utilized to create a surface-based anatomical map of an exposed anatomical surface of at least a portion of the spine, or other anatomical features, using anatomical and / or artificial landmarks are disclosed. The surface mapping can then be registered with previously acquired images of at least the portion of the spine, or other anatomical features. The surface mapping can then be used to identify important structures, including an entry point in tissue (including soft tissue and bone) for the placement of a medical instrument or implant, or for Information the orientation of a medical instrument or device. The information can be displayed in an augmented reality overlay on a device display (e.g., wearable eyeglasses). The LIDAR imaging technology may be incorporated into wearable eyeglasses.

Enhanced dilatation devices are contemplated which incorporation of a number of new features, principally among them an actuator for producing reciprocating linear motion in at least the insertion end of the dilatation device to aid in, automate, and enhance the dilatation and / or sexual stimulatory function of the dilatation device, and a rear rigid arcuate member configured for placement over an anatomical surface such as the mons pubis or the perineum, and an expansion region incorporating an expanding balloon on its inner arcuate face configured to expand against and frictionally engage with the anatomical surface to assist with retaining the dilatation device in place during use. Such enhanced dilatation devices may be embodied by a new dilatation device, or may be implemented in the form of an optional attachment which may be used to upgrade an existing dilatation device.

A method includes obtaining multiple local activation times (LATs) at different respective measurement locations on an anatomical surface of a heart. The method further includes computing respective directions of electrical propagation at one or more sampling locations on the anatomical surface, by, for each sampling location, selecting a respective subset of the measurement locations for the sampling location, constructing a set of vectors, each of at least some of the vectors including, for a different respective measurement location in the subset, three position values derived from respective position coordinates of the measurement location and an LAT value derived from the LAT at the measurement location, and computing the direction of electrical propagation at the sampling location based on a Principal Component Analysis (PCA) of a 4×4 covariance matrix for the set of vectors. The method further includes indicating the directions of electrical propagation on a display.

Perform cardiac mapping. 【Solution means】A system comprising: A display, A processor, Based on each signal acquired by a plurality of electrodes belonging to an in-vivo probe on the anatomical surface of the heart, calculate each local activation time (LAT) at each position of the electrodes, Based on the LAT, calculate each direction and speed of electrical propagation at the position, While the electrodes are each at the position, display an icon of the probe on the display, Dispose each marker having at least one characteristic oriented in the direction of the electrical propagation and varying according to the speed at a portion of the icon corresponding to the electrode, A processor configured as such, including.

A method includes, based on respective signals acquired by a plurality of electrodes on an anatomical surface of a heart, computing respective local activation times (LATs) at respective locations of the electrodes. The method further includes, based on the LATs, computing respective directions of electrical propagation at the locations. The method further includes selecting pairs of adjacent ones of the electrodes such that, for each of the pairs, a vector joining the pair is aligned, to within a predefined threshold degree of alignment, with the direction of electrical propagation at the location of one of the electrodes belonging to the pair. The method further includes associating respective bipolar voltages measured by the pairs of electrodes with a digital model of the anatomical surface. Other examples are also described.

A method includes, based on respective signals acquired by a plurality of electrodes on an anatomical surface of a heart, computing respective local activation times (LATs) at respective locations of the electrodes. The method further includes, based on the LATs, computing respective directions of electrical propagation at the locations. The method further includes selecting pairs of adjacent ones of the electrodes such that, for each of the pairs, a vector joining the pair is aligned, to within a predefined threshold degree of alignment, with the direction of electrical propagation at the location of one of the electrodes belonging to the pair. The method further includes associating respective bipolar voltages measured by the pairs of electrodes with a digital model of the anatomical surface. Other examples are also described.

The invention relates to a physical medical element placement system. An exemplary system is configured to: obtain anatomical characteristic data representing characteristics associated with an anatomical surface to be covered by a physical medical element, the anatomical surface being within an interior space of a patient; and determining a set of placement guidance parameters based on the anatomical characteristic data. The set of placement guidance parameters may include one or more parameters configured to guide placement of the physical medical element on the anatomical surface with one or more surgical instruments controlled by the computer-assisted surgical system.

A method includes, based on respective signals acquired by a plurality of electrodes on an anatomical surface of a heart, computing respective local activation times (LATs) at respective locations of the electrodes. The method further includes, based on the LATs, computing respective directions of electrical propagation at the locations. The method further includes selecting pairs of adjacent ones of the electrodes such that, for each of the pairs, a vector joining the pair is aligned, to within a predefined threshold degree of alignment, with the direction of electrical propagation at the location of one of the electrodes belonging to the pair. The method further includes associating respective bipolar voltages measured by the pairs of electrodes with a digital model of the anatomical surface. Other examples are also described.

A system for registering an anatomical surface for a registration procedure includes memory storing instructions and one or more processing devices configured to execute the instructions. Executing the instructions causes the system to perform, based on a dimension of a spherical probe tip of a probe configured to perform the registration procedure, a dilation process on a first model of patient anatomy including the anatomical surface to obtain a second model of the patient anatomy, receive data indicative of a plurality of locations of the spherical probe tip relative to the patient anatomy, and register points corresponding to the plurality of locations of the spherical probe to the second model.

A medical device has a guide locator and a guide element. The guide locator has a mount body having a conformal surface that is shaped to be complementary to a natural anatomical surface of a patient bone and defining a mount receptacle. The mount body defines a guide receptacle. The guide element includes a guide body having a shape configured to fit with to attach the guide receptacle of the guide locator and a guide slot formed in the guide body. The guide slot includes at least one opening for receiving a tool therethrough. A retention mechanism is configured to hold the guide element within the guide receptacle of the guide locator.

An incision foil made of a sterile, thin adhesive plastic film with a defined pattern printed on it (e.g. a fine grid pattern) can be stuck e.g. on a patient's skin surface and which marks the anatomical region of interest. Using a camera, images are acquired of the attached film and the deformation of the pattern is digitized. With a computer vision algorithm the surface of the patient, which corresponds to the surface of the film, is reconstructed from the detected pattern features in the images in comparison to the known original undeformed pattern. A method determines a geometry of the surface of the patient using the incision foil.

A system includes a display and a processor. The processor is configured to receive a cardiac anatomical surface, and receive a plurality of electrophysiological (EP) data points including (i) respective locations on the cardiac anatomical surface, and (ii) respective values of arrhythmia indicating EP parameters at the locations, and apply respective criteria to the values of the EP data points. For each EP data point whose value satisfies a respective criterion, the processor is configured to graphically encode the EP data point to generate a point of interest (POI), overlay POIs of at least two types of arrhythmia indicating EP parameters on the anatomical surface to generate a POI map reflecting a potentially arrhythmic surface location, and map the POIs of the at least two types of arrhythmic indicating EP parameters on the anatomical surface. And visualizing the POI map to a user on the display.

A system and method for determining the size of a physical medical element. An exemplary system is configured to instruct a display device to render a virtual medical element representing a physical medical element over a target location within an image of a patient's internal space, the target location depicting an anatomical surface to be covered by the physical medical element; while the virtual medical element is rendered over the target location, receiving user input that sets at least one of the pose or size of the virtual medical element within the image; and determining the physical size of the physical medical element based on the user input and depth data from a depth map representing the internal space.

A method of registering sets of anatomical data for use during a medical procedure is provided herein. The method may include accessing a first set of model points of a patient anatomy of interest and intra-operatively acquiring a second set of model points by visualizing a portion of the anatomical surface in the patient with a vision probe. The method may further include extracting system information, including kinematic information from a robotic arm of a medical system and / or setup information, and generating an initial seed transformation based on the extracted system information. Thereafter, the method may include applying the initial seed transformation to the first set of model points and generating a first registration between the first set of model points and the second set of model points to permit model and actual information to be viewed and used together by an operator.

An electroanatomical mapping system models an anatomical (e.g., endocardial) surface bounding an anatomical volume (e.g., a heart chamber). The system receives a three-dimensional ultrasound image containing the volume, segments a blood pool / tissue boundary of the volume in the image, and outputs the segmented boundary as a model of the anatomical surface. In embodiments, segmentation includes solving a level set-based partial differential equation in three dimensions to iteratively expand from an initial boundary to a final boundary. In particular, an additive operator scheme, or other semi-implicit scheme, can be used to solve the partial differential equation, advantageously with all dimensions being solved in parallel.

An electroanatomical mapping system models an anatomical (e.g., endocardial) surface bounding an anatomical volume (e.g., a heart chamber). The system receives a three-dimensional ultrasound image containing the volume, segments a blood pool / tissue boundary of the volume in the image, and outputs the segmented boundary as a model of the anatomical surface. In embodiments, segmentation includes solving a level set-based partial differential equation in three dimensions to iteratively expand from an initial boundary to a final boundary. In particular, an additive operator scheme, or other semi-implicit scheme, can be used to solve the partial differential equation, advantageously with all dimensions being solved in parallel.

An implant insertion system including a tissue expander or separator including an inflatable balloon with a curved posterior side when inflated and an implant having a curved posterior side when positioned against an anatomical surface, wherein the curved posterior side of the implant substantially matches the curved posterior side of the tissue expander. The implant can have an anterior side substantially similar to the posterior side. The implant insertion system can have an injector configured to insert the implant into a target location.

The present application relates to systems and methods for intelligent seed registration. The present application provides a method of registering an anatomical dataset used during a medical procedure. The method can include accessing a first model point set of a patient anatomy of interest, and intraoperatively acquiring a second model point set by visualizing a portion of the patient's anatomical surface with a visual probe. The method can further include extracting system information including kinematic information and / or setup information from a robotic arm of a medical system, and generating an initial seed transform based on the extracted system information. Thereafter, the method can include applying the initial seed transform to the first model point set, and generating a first registration between the first model point set and the second model point set to allow an operator to view and use both model and actual information.

An illustrative system is configured to instruct a display device to render a virtual medical element representative of a physical medical element over a target region within an image of an internal space of a patient, the target region depicting an anatomical surface to be covered by the physical medical element; receive, while the virtual medical element is rendered over the target region, user input that sets at least one of a pose of the virtual medical element within the image or a size of the virtual medical element; and determine, based on the user input and on depth data representative of a depth map for the internal space, physical dimensions for the physical medical element.

Methods for assessing a skin surface of a patient and associated systems and devices are described herein. A method configured in accordance with embodiments of the present technology can include, for example, receiving a three-dimensional data set representative of the patient's skin surface and determining a boundary of a feature of the patient's skin in the three-dimensional data set. The method can further include determining, with a processor, a three-dimensional surface area of the feature within the boundary. In some embodiments, the method can also include identifying a plurality of sub-regions within the boundary and identifying one or more tissue types in each sub-region.

A system is configured to determine, based on data received from an active imaging device configured to capture imagery of an internal view of a body, a depth, relative to the active imaging device, of an anatomical surface depicted in the imagery captured by the active imaging device of the internal view of the body, determine a spatial pose of the active imaging device as the active imaging device captures the imagery of the internal view of the body, and based on the spatial pose of the active imaging device, direct a display device to display, together with an external view of the body, a shape overlay indicative of an extent of a field of view relative to the body and indicative of the depth of the anatomical surface.

Methods may be provided to identify a medical implant from a plurality of medical implants to be fixed to an anatomical surface. Dimensional parameters for each of the plurality of medical implants may be provided, and dimensional parameters corresponding to the anatomical surface may be provided. The dimensional parameters for each of the plurality of medical implants may be compared with the dimensional parameters corresponding to the anatomical surface, and one of the medical implants may be selected from the plurality of medical implants based on comparing the dimensional parameters for each of the plurality of medical implants with the dimensional parameters corresponding to the anatomical surface. An identification of the medical implant selected from the plurality of medical implants may be provided through a user interface. Related devices and computer program products are also discussed.

A facility for procuring and analyzing information about an anatomical surface feature from a caregiver that is usable to generate an assessment of the surface feature is described. The facility displays information about the surface feature used in the assessment of the surface feature. The facility obtains user input and / or data generated by an image capture device to assess the surface feature or update an existing assessment of the surface feature.

A system for making a resection of a bone having localized anatomical surface features prior to resection, comprising: a resection guide locator including a body, the body including opposing medial and lateral wings extending outwardly from the body, the body defining a recess being a socket defined by an annular wall, the annular wall including an upper wall, a lower wall, a resection guide having a body defining a resection slot, at least a portion of the resection guide body sized and configured to be received within the recess defined by the resection guide locator.

Computer-implemented method for determining a minimum distance between a tracer distribution and an anatomical surface, the method comprising the steps of receiving 3D functional image data of a tissue specimen including a tracer from a functional imaging module, receiving 3D anatomical image data from an anatomical imaging module and co-registering said 3D functional image data and said 3D anatomical image data.

Implant identification includes obtaining a machine learning (ML) model trained to select, based on properties of anatomical surfaces of anatomy adjacent to subject anatomy to be replaced, anatomy implant models of physical implants for replacement of the subject anatomy, obtaining imaging data of an anatomical region of a patient, the anatomical region comprising a subject anatomy and other anatomy adjacent to the subject anatomy, determining properties of anatomical surface(s) of the other anatomy, the anatomical surface(s) being at a respective interface(s) between the other anatomy and the subject anatomy, and applying the ML model, using the determined properties of the anatomical surface(s), and obtaining a selected implant model selected by the ML model as a specification of a physical implant for potential surgical implantation at least partially within the patient as a replacement of the subject anatomy.

An example system is configured to obtain anatomical property data representing a property associated with an anatomical surface to be covered by a physical medical element, the anatomical surface being within an interior space of a patient; and determine a set of placement guidance parameters based on the anatomical property data. The set of placement guidance parameters can include one or more parameters configured to guide placement of the physical medical element on the anatomical surface with one or more surgical instruments controlled by a computer-assisted surgical system.

A method of registering sets of anatomical data for use during a medical procedure is provided herein. The method may include accessing a first set of model points of a patient anatomy of interest and intra-operatively acquiring a second set of model points by visualizing a portion of the anatomical surface in the patient with a vision probe. The method may further include extracting system information, including kinematic information from a robotic arm of a medical system and / or setup information, and generating an initial seed transformation based on the extracted system information. Thereafter, the method may include applying the initial seed transformation to the first set of model points and generating a first registration between the first set of model points and the second set of model points to permit model and actual information to be viewed and used together by an operator.

Systems for medical imaging enable real-time visualization of patient vasculature using augmented reality that includes a wearable device positioned on a patient's target body region and incorporates ultrasound transducers and Doppler sensors configured to acquire subsurface vascular structure data and blood flow characteristics. Sensor data is transmitted to a head-worn augmented reality visualization device used by a caregiver. The visualization device includes a camera configured to scan the target body region prior to placement of the wearable device, a display for presenting augmented reality content, and a processor configured to reconstruct a 3D representation of the anatomical surface from the camera data. The processor further fuses the subsurface vascular data with the reconstructed surface representation to generate a real-time, 3D vascular map. The vascular map is rendered as an augmented reality overlay aligned with the patient's body, thereby assisting caregivers with accurate visualization and guidance during vascular access procedures.

A separator for medical applications includes a first contact surface configured for contacting a first anatomical surface of a patient to be imaged, and a second contact surface configured for contacting a second anatomical surface of the patient to be imaged to space the first anatomical surface from the second anatomical surface. The first contact surface is angled relative to the second contact surface. The separator maintains spacing between anatomical surfaces during radiotherapy procedures, potentially reducing radiation exposure to sensitive areas. The separator may comprise air equivalent or radiotransparent materials and can be used in various anatomical regions where skin folds or adjacent body parts need separation for improved therapy results.