Philips Patente

The subject-matter of the present disclosure relates to an x-ray radiography 'XR' apparatus (100). The apparatus comprises a first image sensor (104) configured to capture an X-ray image of a target area (106), a second image sensor (114) arranged with a field of view comprising the target area in a first direction (116), and a mirror (118) disposed within the field of view of the second image sensor (114), and arranged at an angle to provide the second image sensor (114) with a view of the target area (106) from a second direction (120) at least partly orthogonal to the first direction (116).

Disclosed herein is a method of magnetic resonance imaging. The method comprises receiving (200) groups of k-space data descriptive. The groups of k-space data comprise group specific imaging k-space data and group specific navigator k-space data. The method further comprises determining (202) group specific subject positions using the group specific navigator k-space data of the groups of k-space data. The method further comprises initializing (204) group specific motion parameters of a joint optimization using the group specific subject positions. The method further comprises reconstructing (206) a motion corrected magnetic resonance image by performing the joint optimization on the group specific imaging k-space data of the groups of k-space data. The joint optimization is configured to simultaneously reconstruct the motion corrected magnetic resonance image while determining the group specific motion parameters. The method further comprises providing (208) the motion corrected magnetic resonance image descriptive of the field of view.

There is provided a computer-implemented method comprising receiving use data representative of use of a respiratory support device by a subject. The method comprises determining, based on the use data, a feature value for each of a plurality of features. The plurality of features are human-interpretable features representative of use of the respiratory support device. The method comprises providing the feature values as input data to a machine learning model. The machine learning model is trained to generate predicted use data based on the feature values. The method comprises using the machine learning model to generate predicted use data representative of a predicted use of the respiratory support device by the subject, and determining an importance indicator for each of the plurality of features. The importance indicators are representative of a contribution of the corresponding feature to the predicted use. The method comprises generating an output signal indicative based on the importance indicators and the predicted use data. The output signal is representative of a likelihood the subject will stop using the respiratory support device.

It would be desirable to provide a sensor apparatus that facilitates precise mapping of signals to sensor nodes in an image coordinate system. There is therefore provided a sensor apparatus (110) comprising a plurality of sensor nodes. The sensor apparatus is configured to be used in conjunction with an imaging device (104). The imaging device is configured to acquire image data, wherein the image data uses an image coordinate system. The sensor apparatus comprises a plurality of fiducial markers each having a uniquely identifiable pattern which is detectable by the imaging device. The sensor apparatus is configured to hold the fiducial markers in a predetermined spatial relationship with the sensor nodes for mapping of signals obtained from the sensor nodes to locations of the sensor nodes in the image coordinate system.

An image processing system (100) and related method. The image processing system comprises an input interface (102) configured to receive X-ray image data of an object acquired by an X-ray imaging apparatus during a scan and to receive camera image data of the object acquired by a camera system having a field of view of the object. A geometry determiner (104) of the system is configured to analyze the camera image data of the object to determine geometry information of the object and distance information of the object to a detector of the X-ray imaging apparatus. A scatter estimation module (106) of the system is configured to estimate a scatter profile of scatter present in the X-ray image data by use of the determined geometry information of the object and the determined distance information of the object to the detector of the X-ray imaging apparatus.

In the field of transmission of a rotational motion from one member to another, an adjustable transmission system (1) is provided which is configured to selectively transmit a rotational motion of a primary member (10) about a rotational axis (R) to a secondary member (20), to cause the secondary member (20) to selectively rotate about the rotational axis (R). The transmission system (1) comprises a coupling member (30) which is configured to selectively be in first and second axial positions relative to the primary member (10), for decoupling from and coupling to the secondary member (20), respectively, wherein the primary member (10) is configured to enable displacement of the coupling member (30) in axial direction on the basis of changes of the direction of the rotational motion, and wherein use is made of a pattern of guiding channels (12) which are engaged by a guided element (31).

An apparatus comprises a first receiver (103) receiving a plurality of audio capture signals comprising audio of a scene captured by one or more audio capture devices. A second receiver (101) receives an image capture signal comprising at least one image representing a capture frustum of the scene. A third receiver (105) receives metadata comprising capture region indications for at least some of the audio capture signals where a capture region indication for an audio capture signal is indicative of a region of audio capture of the scene for the audio capture signal. An image generator (107) generates a view image of the scene for a view frustum from the image capture signal, and an audio generator (109) generates an output audio signal representing the scene by mixing the plurality of audio capture signals in dependence on the view frustum and the capture region indications.

A wireless power system comprises a power receiver (105) receiving power from a power transmitter (101) which comprises an output resonance circuit comprising a transmitter coil (103) and a capacitor (303). A driver (301) generates a drive signal for the output resonance circuit to generate an inductive power transfer signal. A frequency determiner (313) provides a reduced load sensitivity operating frequency for the drive signal and a frequency controller (311) changes the operating frequency of the drive signal to the reduced load sensitivity operating frequency in response to receiving a load change message from the power receiver. A transmitter (309) transmits a load change acknowledge message to the power receiver (105) to indicate the change of frequency. The frequency controller (311) changes the operating frequency from the reduced load sensitivity operating frequency to a load dependent operating frequency in response to determining that the power receiver (105) has performed the load change.

Proposed concepts thus aim to provide schemes, solutions, concepts, designs, methods and systems pertaining to generating a medical image file. In particular, embodiments aim to provide a method for generating a medical image file by finding a region of interest in a medical image (and thereby, or separately, region(s) of non-interest) and then processing the image so that the region of interest and the region(s) of non-interest have different resolutions to one another (with the region of non-interest having a lower resolution than the region of interest). In other words, it is proposed that by identifying a region of interest in a medical image, comprising an anatomical feature, a modified medical image can be generated with spatially-varied resolution.

Proposed concepts aim to provide methods and systems pertaining to determining a noise scaling value. In particular, embodiments aim to provide a method for determining a noise scaling value for a determined noise residuum based on a comparison of the values of pixels of a modified image with one or more weighted sums of one or more values of neighboring pixels of the modified image.

The invention relates to a server device for data transfer with an isolated target device. The server device includes an external communication interface to communicate with a remote server for sending device data and receiving update packets containing target device identification and payload data. A data processor partitions a coverage area into bounded sections, generates a stochastic model of location states and transitions, maps the area, and determines routes for guiding a mobile device to the target device.The mobile device features a communication interface to receive updates and instructions from the server device and connect to the target device to deliver the update. It also includes a security interface for capturing a user's security feature and a mobile processing unit to authorize the data transfer when identifications match. Also a corresponding method and system are disclosed.

Proposed concepts thus aim to provide a method for determining the decomposition matrix of a pair of CT images. In particular, embodiments aim to provide a method for determining the decomposition matrix based on values of pixels in each image of the pair of CT images that are determined to depict bone tissue of the subject.

The present invention provides a cooling system (1) for an in-bore equipment of a medical apparatus, comprising: a compact fan (11) which is resistant to magnetic interference, a radio frequency, RF, shield (12) comprising a RF shielding housing (111) which completely encloses the compact fan (11), wherein the housing (111) comprises an air-in duct (112) and an air-out duct (113), and RF shielding mesh parts (121, 122) covering the air-in duct (112) and the air-out duct (113). In this way, a solution for efficient and localized cooling inside the bore of the medical apparatus is provided, to enhance the performance, the efficiency of medical apparatus and to improve the patient comfort.

An optical measurement device (100) for obtaining optical measurements from a tissue region (110), is provided. The optical measurement device includes an optical source (120); an optical detector (130); a first optical waveguide (140); and a second optical waveguide (150). In one option, i) a proximal end portion (140<Pep>) of the first optical waveguide adjoining the proximal end (140') of the first optical waveguide, and at least a portion of the optical source (120), are in direct contact with a first material (160) having a refractive index (n<1>) that is less than a refractive index (n<3>) of the first optical waveguide (140), and also less than a refractive index (n<S>) of the optical source (120), for containing the optical radiation within the first optical waveguide (140) and/or within the optical source (120), respectively. In another option, ii) a proximal end portion (150<Pep>) of the second optical waveguide adjoining the proximal end (150') of the second optical waveguide, and at least a portion of the optical detector (130), are in direct contact with a first material (160) having a refractive index (n<1>) that is less than a refractive index (n<3>) of the second optical waveguide (150), and also less than a refractive index (n<D>) of the optical detector (130), for containing the optical radiation within the second optical waveguide (150) and/or within the optical detector (130), respectively.

Disclosed is a computer-implemented method (100) for performing image quality checks using a control system (200), the method comprising by the control system (200): receiving (102) screen capture medical image data (202) of a user interface (204) of a medical imaging system (206); extracting (104) exam context information (208) and medical images (210) from the screen capture medical image data (202); based on the extracted exam context information (208), selecting (106) an image evaluation protocol (212), wherein the image evaluation protocol (212) comprises at least one image metric (214); executing (108) the image evaluation protocol (212) on the extracted medical images (210), resulting in at least one value of the at least one image metric (214); and based on the at least one value of the at least one image metric (214), providing (110) a control signal (216) to the medical imaging system (206).

Proposed concepts thus aim to provide schemes, solutions, concept, designs, methods and systems pertaining to operating a CT system. In particular, embodiments aim to a method for operating a CT system. This can be achieved by slowly varying a kVp level of an X-ray tube of the CT system (as opposed to having to use an expensive fast-switching kVp generator, for example) so that each voxel of the scanned volume is scanned/imaged under at least n different kVp levels, where n is 2 or more. In other words, by slowly varying the kVp level of an X-ray tube during rotation of the gantry of the CT system, every voxel of a scanned volume will be seen under at least n different kVp levels, thus enabling spectral CT imaging without any specialized hardware, thus facilitating spectral imaging even in a standard, one source, one detector CT system.

Proposed concepts thus aim to provide schemes, solutions, concepts, designs, methods and systems pertaining to generating a model for predicting focal spot degradation. In particular, embodiments aim to provide a method for generating a model for predicting focal spot degradation by generating a first sub-model describing a relationship between medical image data and a focal spot shape, and a second sub-model describing a relationship between a focal spot shape and a focal spot degradation score. A composite model is then generated based on the first and second sub-models. The composite model, which can be a machine-learning model, can thus be used to predict the focal spot degradation score from the medical image data.

A mechanism for processing ultrasound data comprising one or more sequences of ultrasound frames captured during ultrasound imaging of a fetus. The ultrasound frames are processed to classify each ultrasound frame as a heart frame or a non-heart frame. Any clusters of ultrasound frames meeting predetermined criteria are identified, which criteria make use of the classifications of the ultrasound frames. A quality value is produced for each cluster of ultrasound frames.

Disclosed is a computer-implemented method (100) for detecting anatomical keypoints (200) using a camera configured to image at least a portion of a body of a subject (202), the method comprising: receiving (102) image data (204), receiving (104) anatomical keypoint data in response to inputting the image data (204) into an anatomical keypoint detection neural network, determining (106) the set of anatomical keypoints (200), detecting (108) a set of body parts of the body in the image data (204), resulting in cropped image data (206); receiving (110) body part specific keypoint data in response to inputting the cropped image data (206) into at least one body part specific keypoint detection neural network, determining (112) the set of body part specific keypoints (208); and augmenting (114) the anatomical keypoints (200) by the body part specific keypoints (208).

The present invention relates to a computer-implemented method for converting image data of an X-ray detector to a predefined data format of an X-ray control device. The method comprises receiving a request from the X-ray control device to provide an X-ray image, the request comprising a set of predefined image parameters of the X-ray image, sending a trigger signal to the X-ray detector to provide X-ray image data acquired with the X-ray detector, and receiving the X-ray image data acquired by the X-ray detector from the X-ray detector. The method comprises further processing the received X-ray image data, thereby generating a processed X-ray image comprising the predefined image parameters, and providing the processed X-ray image to the X-ray control device.

Proposed concepts thus aim to provide schemes, solutions, concept, designs, methods and systems pertaining to compensating for motion during a CT scan. In particular, embodiments aim to provide a method for compensating for motion during a CT scan by obtaining two CT scan volumes of the same portion of a subject (and which at least partially overlap in time) and then taking one slice of one of the CT scan volumes and generating a reference motion state (i.e., a ground truth reference) based on the subject's motion state at the point of time of the selected slice. Based on this reference motion state and the first and second CT scan volumes, a time-dependent rigid transformation function can be generated (i.e., a transformation function which only uses rigid transformations) and then either applied directly to the first and second CT scan volumes to compensate for their motion or applied to the original projection data to generate a motion-compensated CT scan volume from scratch.

The invention relates to a method for predicting an outcome for a prostate cancer. Particularly the method is based on the expression levels of markers genes determined in a prostate cancer sample from the subject. The invention further relates to a kit for determining the gene expression levels and uses thereof in determining an outcome for a subject with prostate cancer. The invention also relates to therapies for use in the treatment of prostate cancer.

The present disclosure provides concepts for monitoring a medical instrument comprising an elongate device and an actuator configured to control movement of the elongate device. In particular, device data indicating a shape and/or position of at least a portion of the elongate device, and actuator data indicating a target shape and/or position of at least the portion of the elongate device, are leveraged to monitor tension of the elongate device. The device data and actuator data are processed with a tension prediction algorithm to generate a predicted tension value describing a degree of resistance against movement experienced by the elongate device. This allows for real-time automatic monitoring of tension in the elongate device during medical procedures, enabling early detection of potentially dangerous situations and improving patient safety.

Disclosed is an intraluminal imaging system, including a processor circuit in communication with an intraluminal imaging catheter, and configured to receive a plurality of intraluminal images obtained by an imaging component of the intraluminal imaging catheter while the intraluminal imaging catheter is moved through a body lumen of a patient. The processor circuit is further configured to automatically identify based on image recognition different vein segments as the imaging component of the intraluminal imaging catheter passes through the vessel, and output to a screen display a label of the identified vein segment and a current frame provided by the intraluminal imaging catheter.

The present disclosure provides concepts for generating a coronary segmentation of a heart of a subject. In particular, a coronary angiography image of at least a part of the heart of the subject, and probabilistic maps describing expected paths of a plurality of vessels of the heart of the subject and expected vessel endpoint regions of the plurality of vessels, are obtained. A coronary segmentation is generated based on the coronary angiography image and the probabilistic maps, wherein the coronary segmentation represents a detected path of a plurality of vessels of the subject, and detected vessel endpoint regions of the plurality of vessels. Additionally, based on the probabilistic maps, and for vessels amongst the plurality of vessels of the coronary segmentation, a likelihood value is assigned that indicates whether the detected vessel endpoint of the respective vessel represents an actual endpoint location of the respective vessel.

A cardiopulmonary resuscitation simulation system employing a CPR manikin (30) and a transducive signal modulator (40). In operation, the transducive signal modulator (40) derives a corrupted simulated electrocardiogram signal from a signal modulation of a clean simulated electrocardiogram signal electromechanically responsive to an oscillating compression depth of the CPR manikin (30) during a simulated application of the cardiopulmonary resuscitation to the CPR manikin (30), and further derives the corrupted simulated thoracic impedance signal from a signal modulation of a clean simulated thoracic impedance signal electromechanically responsive to an oscillating deformation of the CPR manikin (30) during the simulated application of the cardiopulmonary resuscitation to the CPR manikin (30).

The invention relates to methods for predicting an outcome for a prostate cancer patient. In particular the method describes a model based on the expression levels of marker genes which can be used to predict the effectiveness of androgen deprivation therapy (ADT). The method allows for treatment suggestions, particularly for those patients where ADT is predicted not to be effective, and alternative treatment may be desirable. The invention further describes kits useful for use in the described methods, as well as composition for use in treatment of prostate cancer based on a treatment outcome prediction described herein.

A defibrillator (200) employing a shock delivery circuit (207) and a defibrillation controller (204) for controlling an administration of a cardiopulmonary resuscitation procedure on a heart of a patient by the defibrillator (200) in accordance with a rescue protocol including an interruptible cardiopulmonary resuscitation protocol, an uninterruptible resuscitation protocol and a shock protocol. In operation, the defibrillation controller (204) controls a series of sequential executions of the interruptible cardiopulmonary resuscitation protocol and the shock protocol in response to a preceding uninterrupted defibrillating shock delivery to the heart of the patient by the shock delivery circuit (207), and controls a sequential execution of the uninterruptible cardiopulmonary resuscitation protocol and the shock protocol when at least two sequential executions of the interruptible cardiopulmonary resuscitation protocol and the shock protocol results in a maximum number of consecutive interrupted defibrillating shock deliveries to the heart of the patient by the shock delivery circuit (207).

A system employing an external defibrillator (60), and a pair of defibrillator electrodes (30), each defibrillation electrode including an electrolyte bladder (50) adjoined to a conductive electrode pad (40). In operation, the electrolyte bladder (50)s release an electrolyte fluid from the electrolyte bladder (50)s as the conductive electrode pad (40)s are being attached to a permeable material covering a body of the patient to electrically couple the conductive electrode pad (40)s to the body of the patient. Upon the conductive electrode pad (40)s being electrically coupled to the body of the patient by the electrolyte fluids, the defibrillation electrodes are utilized to transmit electrical signals from a heart of the patient through the electrolyte fluid and the conductive electrode pad (40)s to the external defibrillator (60) and to deliver a defibrillation shock from the external defibrillator (60) through the conductive electrode pad (40)s and the electrolyte fluid to the heart of the patient.

The present invention relates to a device and method for assisting in placement of, e.g., an endovascular device for treatment of an aneurism comprising a data processor configured to receive, e.g., image data representing an anatomical region of interest including a vasculature, and at least a distal portion of a placement device together with the endovascular device located in the vasculature. The data processor or controller is configured to interpret the image data, to estimate a proximal landing position of a proximal end of the endovascular device and to determine instructions for positioning and deployment of the endovascular device while the endovascular device is in engagement with an inner shaft of the placement device.

A method for configuring a CT image data set to improve interoperability without increasing data package size. The method comprises compiling CT image data into a DICOM data object with DICOM metadata, and wherein the compiled CT image data includes both images compressed in a form that is DICOM readable and images compressed in a form that is not DICOM readable.

Disclosed herein is a computer-implemented method of operating a remote medical imaging control system (300, 400, 500) that comprises at least one medical imaging node (302) with a medical imaging system (310) and a local controller (312). The at least one medical imaging node comprises a node specific control interface (314) with a screen replicator (404) and an input peripheral (406). The remote medical imaging control system further comprises at least one control node (304, 306). The method comprises: repeatedly monitoring (200) the at least one medical imaging node and repeatedly updating (202) its operational status (122) in a system status database (124); repeatedly monitoring (204) the at least one control node and updating (206) its the operational status (126) in the system status database; and providing (208) a system status (128) of the remote medical imaging control system using the system status database.

An electrode pad storage assembly (60) employing a pair of electrode pads (10) electrically connectable or electrically connected to an electrical treatment device (40) (e.g., an automatic external defibrillator), and an electrode pad storage device for facilitating a storage of the pair of electrode pads (10). Each electrode pad (10) includes a hydrogel layer (11). The electrode pad storage device includes a hardliner (20) whereby the pair of electrode pads (10) are releasably sealable or releasably sealed to the hardliner (20), and a hydrogel conductor (30) adjoined to the hardliner (20) and configured to establish electrical communication between the hydrogel layers (11) of the electrode pads (10) when the electrode pads (10) are releasably sealed to the hardliner (20).

A medical imaging system comprising an imaging device configured to acquire a medical image of a subject and a system for monitoring motion of a subject during medical imaging procedure are provided, as well as a method for monitoring motion of a subject and a computer program product to carry out the method. The medical imaging system comprises a camera configured to acquire image frames of the subject, wherein the image frames are acquired at a camera acquisition frequency. The medical imaging system also comprises a light source configured to illuminate the subject with a modulated frequency, wherein the modulation frequency is synchronized with the camera acquisition frequency. The system further comprises a motion detection unit configured to determine a subject motion by applying a motion detection algorithm to the acquired image frames.

A method and a system for acquiring and reconstructing a medical image of a subject supported by a movable couch are provided, as well as an imaging arrangement, and a computer program for carrying out the method. The method for acquiring a medical image of a subject comprises steps of receiving medical image data of the subject, and receiving a sequence of camera images of the subject. The camera images are acquired using one or more optical cameras mounted onto the medical imaging device. The camera images are synchronized with the medical image data. The method also comprises extracting a couch motion from the camera images, which comprises detecting displacement and/or deformation of the couch, and transforming the detected displacement and/or deformation to form the couch motion. The method further comprises performing motion compensated medical image reconstruction of the medical image data using the couch motion.

A magnetic resonance imaging (MRI) system includes an outer vacuum container (OVC), a superconducting magnet housed within the OVC, and a plurality of sensors configured to monitor parameters of the superconducting magnet. The MRI system further includes a microcontroller disposed within the OVC and electrically connected to the plurality of sensors, and a communication interface configured to transmit data from the microcontroller to an external control system. The microcontroller is configured to multiplex signals from the plurality of sensors into a single data stream for transmission through the communication interface.

A defibrillation system employs one or more of a wearable biosensor (40) configured to monitor a ventilation of the patient, a wearable injector (50) configured to administer a medication to the patient, a digital stethoscope (60) configured to monitor a heart of the patient; and ambient sensor (70, 80)(s) configured to monitor ambient sound and/or ambient light. The defibrillation system further employs a defibrillator (20) including a defibrillation controller (21) configured to implement a resuscitation protocol in accordance with one or more of a monitoring of the ventilation of the patient by the wearable biosensor (40), an administering of the medication to the patient by the wearable injector (50), a monitoring of the heart of the patient by the digital stethoscope (60), and a monitoring of one of ambient sound and ambient light by the at least one ambient sensor (70, 80).

The present disclosure relates generally to the use of medical devices for the treatment of vascular conditions. In particular, the present disclosure provides devices and methods for using laser-induced pressure waves created within a sheath to disrupt intimal and medial calcium within the vasculature. The present disclosure also provides treatment mode selection systems that may be used with such devices and methods.

A magnetic resonance (MR) system acquires MR imaging data from a subject. The MR system includes a main magnet unit (105) configured to generate a magnetic field in a bore (115) for receiving the subject. The main magnet unit includes a cryostat (110) and superconducting coils (130) in the cryostat, where an outer hull (111) of the cryostat includes at least one composite layer (112a, 112b) and at least one metal layer (113) for ensuring a vacuum seal within the cryostat; an external radio frequency (RF) screen (140, 340) coupled to the main magnet unit, where the external RF screen is configured to block transmission of RF signals into and/or out of the main magnet unit; and at least one joint (145, 245, 345, 445) electrically connecting the at least one metal layer in the outer hull of the cryostat to the external RF screen to provide an expanded RF screen (170, 370).

The present disclosure provides a computer-implemented method for training an image compression network, the method comprising providing an image compression network comprising an encoding component and a decoding component; providing an image processing component; processing an initial image by the encoding component to obtain a compressed image; processing the compressed image by the decoding component to obtain a decompressed image; processing the decompressed image by the image processing component to obtain an image processing result for the decompressed image; generating a loss function evaluating an image processing loss, the image processing loss based on a comparison between the image processing result for the decompressed image and an image processing ground truth result; and using the loss function for training the image compression network.