Abstract:
A computer-implemented medical method of determining a breathing signal (202) of a patient (100) is disclosed. The method comprises determining a motion trajectory (120) of a structure (104) associated with at least one body part of the patient (100), the motion trajectory (120) being indicative of a respiratory movement of the structure (104); acquiring surface data (50) representative of a position of a surface region (106) of the patient (100); computing an intersection of the determined motion trajectory (120) and the acquired surface data (50); and determining a breathing signal (202) of the patient (100) based on the computed intersection, wherein the breathing signal (202) is indicative of a breathing state of the patient (100).
Abstract:
The present invention relates to a method and a medical system for providing a checklist comprising a plurality of checklist-elements to be checked off in order for preparing a medical treatment and/or a medical analysis. At least the identity and the pose of the patient is checked off while an augmented reality overlay is provided over a field of view associated with a portable display device.
Abstract:
A medical data processing method, performed by a computer, for measuring the spatial location of a point on the surface of the body of a patient, comprising the steps of: - acquiring at least two two-dimensional image datasets, wherein each two-dimensional image dataset represents a two-dimensional image of at least a part of the surface which comprises the point, and wherein the two-dimensional images are taken from different and known viewing directions; - determining the pixels in the two-dimensional image datasets which show said point on the surface of the body; and - calculating the spatial location of the point from the locations of the determined pixels in the two-dimensional image datasets and the viewing directions of the two- dimensional images; wherein the two-dimensional images are thermographic images.
Abstract:
Disclosed is a computer-implemented medical data processing method for supporting positioning a patient for treatment by at least one of radiotherapy or radiosurgery, the method comprising executing, on at least one processor of at least one computer, steps of: a) acquiring (S1), at the at least one processor, planning image data describing a digital planning image of a reference structure; b) acquiring (S2), at the at least one processor, reference structure position data describing a predetermined relative position between the reference structure and an anatomical body part of the patient's body and describing a relative position between the reference structure and a predetermined reference position; c) acquiring (S3), at the at least one processor, thermal image data describing a digital thermal image of the reference structure; d) acquiring (S4), at the at least one processor, imaging device position data describing a relative position between the reference structure and a thermal imaging device used for taking the digital thermal image and describing a predetermined relative position between the thermal imaging device and the predetermined reference position; e) determining (S5), by the at least one processor and based on the planning image data, planning image pattern data describing an image pattern in the digital planning image assigned to the representation of the reference structure, hereinforth called planning image pattern; f) determining (S6), by the at least one processor and based on the thermal image data, thermal image pattern data describing an image pattern in the digital thermal image assigned to the representation of the reference structure, hereinforth called thermal image pattern; g) determining (S7), by the at least one processor and based on the reference structure position data and the imaging device position data and the planning image pattern data and the thermal image pattern data, positional difference data describing a difference between a relative position between the anatomical body part and the predetermined reference position at the point in time at which planning image data was generated on the one hand, and a relative position between the anatomical body part and the predetermined reference position at the point in time at which the thermal image data was generated on the other hand.
Abstract:
Disclosed is a computer-implemented medical data processing method for determining a positional pattern of an irradiation unit for irradiating a patient with treatment radiation, the irradiation unit being part of an irradiation treatment device having an imaging device for generating a medical image of the patient, the method comprising executing, on at least one processor of at least one computer, steps of: a) acquiring (S1), at the at least one processor, irradiation unit position data describing irradiation unit positions of the irradiation unit for which the imaging device has a free viewing direction onto the position of the patient which is a free line of sight from the imaging device to the position of the patient; b) determining (S2), by the at least one processor and based on the irradiation unit position data, position orders data describing all possible orders of the irradiation unit positions for which the imaging device has a free viewing direction onto the position of the patient; c) determining (S3), by the at least one processor and based on the irradiation unit position data and the position orders data and per order described by the position orders data, intersection angle data describing a statistical quantity of the intersection angles between free viewing directions of the imaging unit for irradiation unit positions which are immediately subsequent in the order described by the position orders data; d) determining (S4), by the at least one processor and based on the intersection angle data and the position orders data, optimal order data describing an order of the irradiation unit positions for which the statistical value is optimal.
Abstract:
A computer implemented method for performing fusion of 3D image data, which represent at least a part of a patient's body, with two 2D images of the patient's body with a known spatial relation between the viewing directions of the 2D images, comprising the steps of: -acquiring the 3D image data, -acquiring the two 2D images, -calculating two virtual images from the 3D image data, the two virtual images corresponding to the two 2D images, -classifying the two 2D images into a primary and a secondary image, -determining a primary alignment between the primary image and the corresponding virtual image such that they match, -calculating a spatial axis relative to the viewing directions of the two 2D images from the primary alignment and a predetermined point which is imaged in the virtual image which corresponds to the primary image, wherein the spatial axis is a line in space on which the predetermined point lies, and -performing fusion of the 3D image data with the two 2D images based on the calculated spatial axis in order to obtain a virtual position of the 3D image data in space.
Abstract:
A medical data processing method for tracking the position of a body surface of a patient's body, the method comprising determining, based on initial surface reflection data and reflection pattern registration data, body surface movement data describing whether the body surface has undergone a movement.
Abstract:
The present invention relates to a method encompassing acquiring data as to the geometric structure/topology of a predefined surface section as well as to an additional physical property assigned to the surface section, determining variability of the geometric structure/topology as well as of the additional physical property over the surface section, and determining from these at variabilities an expected stability of co-registering datasets describing the predefined surface section. The present invention further relates to a corresponding computer program and a corresponding system for carrying out this method.
Abstract:
The present invention relates to a computer-implemented medical method for monitoring a spatial position of a patient's body part (8), wherein at least one optimum spatial direction for a line of sight of a check x-ray-image is determined, that qualifies for quantifying a deviation of the spatial position of the patient's body part (8) from a target spatial position for the patient's body part (8). The present invention further relates to a corresponding computer program and a corresponding medical system (1).
Abstract:
A computer-implemented medical method of positioning a patient for a radiation treatment and/or of monitoring a position of a patient during a radiation treatment is provided. The method comprises providing surface data acquired by means of a 3D surface scanner (12) of a surface (102) of at least a body part (100) of the patient, which body part (100) is to be irradiated in a radiation treatment. The surface data are calibrated with respect to a relative position of the 3D surface scanner (12) and an isocenter position of a radiation treatment apparatus (22). A beam path (110) and/or frustum (110) of a radiation beam is determined based on planning data for the radiation treatment and intersected with at least a part of the surface (102) of the patient represented by the surface data. Further, at least a first portion (106) of the patient's surface (102) located inside the beam path (110) and/or a second portion (108) of the patient's surface (102) located outside the beam path (110) is calculated.