Methods, apparatus, and system for synchronization between a three-dimensional vascular model and an imaging device
Inventors
Assignees
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Publication Number
US-12039685-B2
Publication Date
2024-07-16
Expiration Date
Abstract
An apparatus for synchronizing a three-dimensional model of a patient's coronary arteries with an orientation of a medical imaging device is disclosed. In an example, an apparatus is configured to receive an indication that a three-dimensional model has been rotated. The indication includes a number of degrees of rotation of the three-dimensional model along a roll and/or pitch axis. The processor uses a correlation or transfer function to determine a rotational angulation position of the medical imaging device based on the number of degrees of rotation of the three-dimensional model along the roll and/or pitch axis. The processor transmits a command or instruction to the medical imaging device that is indicative of the desired rotational angulation position, thereby causing the medical imaging device to rotate to the desired position.
Core Innovation
The invention provides an apparatus and method for synchronizing a three-dimensional model of a patient's coronary arteries with an orientation of a medical imaging device. The three-dimensional model includes a centerline through each coronary artery, with each centerline having sample points defined in a three-dimensional coordinate system and associated with vascular geometric information. The apparatus receives an instruction to register the three-dimensional model to the medical imaging device and determines an orientation of the three-dimensional model corresponding to a zero-degree starting position of the medical imaging device.
During synchronization, the apparatus receives potential rotational angulation positions of the medical imaging device and determines angular coordinates for the three-dimensional model that correspond to the potential rotational angulation positions. The apparatus stores a correlation between the determined angular coordinates and the potential rotational angulation positions. The apparatus determines a current view angle orientation of the medical imaging device and uses the correlation to rotate the three-dimensional model by applying the current view angle orientation of the medical imaging device.
The rotated three-dimensional model is displayed in a user interface in a viewpoint orientation that matches the current view angle orientation of the medical imaging device. The user interface supports coordinated recording and real-time rotation behavior based on a lock control, and based on the lock control being enabled, the medical imaging device rotates in real-time synchronized with the three-dimensional model. Based on the lock control not being enabled, the three-dimensional model rotates without causing the medical imaging device to rotate in real-time.
Claims Coverage
The provided partial content includes two independent claims: an apparatus claim and a method claim. Both claims share the same core inventive mapping between a zero-degree starting position orientation and a correlation linking medical imaging device rotational angulation positions to three-dimensional model angular coordinates, with orientation synchronization governed by a lock control.
Zero-degree registration and orientation determination
An apparatus configured to determine an orientation of a three-dimensional model that corresponds to a zero-degree starting position of a medical imaging device after receiving an instruction to register the three-dimensional model to the medical imaging device.
Correlation mapping between rotational angulation positions and model angular coordinates
The apparatus configured to receive potential rotational angulation positions of the medical imaging device, determine angular coordinates for the three-dimensional model that correspond to the potential rotational angulation positions, and store a correlation between the determined angular coordinates for the three-dimensional model and the potential rotational angulation positions of the medical imaging device.
Rotating and displaying the model to match current view angle orientation
The apparatus configured to determine a current view angle orientation of the medical imaging device and use the correlation to rotate the three-dimensional model using the current view angle orientation of the medical imaging device, and to display the rotated three-dimensional model in a user interface in a viewpoint orientation that matches the current view angle orientation of the medical imaging device.
Lock-controlled real-time synchronization versus independent model rotation
A user interface configured to respond to user input to record a medical image and cause transmission of instructions to the medical imaging device, and wherein based on a lock control being enabled, cause the medical imaging device to rotate in real-time synchronized with the three-dimensional model, and based on the lock control not being enabled, allow the three-dimensional model to rotate without causing the medical imaging device to rotate in real-time.
Viewpoint-determined imaging device rotation when lock control is enabled
A method including determining an orientation of the three-dimensional model that corresponds to a zero-degree starting position, receiving potential rotational angulation positions, determining and storing a correlation between model angular coordinates and potential rotational angulation positions, determining a current viewpoint of the three-dimensional model displayed in a user interface, and using the current viewpoint and the correlation to cause the medical image device to rotate to a corresponding view angle orientation based on a lock control being enabled.
Across the independent claims, the invention centers on registering a patient coronary-artery three-dimensional model to a medical imaging device at a zero-degree starting position, storing a correlation mapping medical imaging device rotational angulation positions to model angular coordinates, rotating and displaying the model to match the medical imaging device current view angle orientation, and controlling whether the medical imaging device rotates in real-time using a lock control.
Stated Advantages
Real-time synchronized rotation of the medical imaging device with the three-dimensional model when lock control is enabled.
Ability to allow the three-dimensional model to rotate without causing the medical imaging device to rotate in real-time when lock control is not enabled.
Display of recorded medical images in conjunction with the three-dimensional model.
Documented Applications
Synchronizing the three-dimensional coronary-artery model with a medical imaging device in a catheterization laboratory during at least one of stent placement, percutaneous coronary intervention (PCI), or an FFR determination.
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