Philips Patente

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 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.

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.

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).

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.

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).

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 (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.

A system and method for defining at least one imaging region for assessing residual regurgitation. Medical imaging data of a heart having an implant device is obtained and processed to identify at least a position of the implant device. One or more locations of expected residual regurgitation are determined based at least one the identified position of the implant device and are used to define at least one imaging region for assessing residual regurgitation.

A personal care device includes a housing, a relative humidity sensor disposed within the housing, and a processor disposed within the housing and configured to monitor a rate of change of relative humidity within the housing using an output from the humidity sensor, and generate a water ingress alarm when the rate of change of relative humidity exceeds a predetermined first threshold. The personal care device may further include a temperature sensor disposed within the housing. In this case, the processor may be further configured to monitor a rate of change of temperature within the housing using an output from the temperature sensor, and generate the water ingress alert when both the rate of change of relative humidity exceeds the predetermined first threshold and the rate of change of temperature is below a predetermined second threshold.

An X-ray imaging system generates a first image comprising an attenuation image and at least a second image of a different type. An image is generated for display comprising the first image. An analysis is performed of the first image and/or the second image to detect image characteristics which warrant further investigation by the user of the imaging system. An image overlay is the applied to the image for display if said image characteristics are detected that warrant said further investigation. In this way, the user is only presented with multi-image information when it is suitable to do so.

Disclosed herein is a method for extracting cardiac signal data (428) from a set of sensor data (412) acquired using a plurality of pressure sensors (102) of a two-dimensional sensor array (100). The method comprises receiving (200) the set of sensor data (412), determining (202) a principal respiratory time signal (342; 416) of a respiratory motion pattern for the subject (118), determining (204) sensor-wise individual phase-shifts (418) of individual respiratory time signals, eliminating (208) the determined principal respiratory time signal (342; 416) sensor-wise using the determined individual phase-shifts (418) for the individual sensors (102), determining (10) a principal cardiac time signal (424) of a cardiac motion pattern for the subject (118), and outputting (216) cardiac signal data (428) comprising the principal cardiac time signal (424).

An X-ray system for medical imaging of a subject on a patient table, comprising a detector; an X-ray source; an arm support for carrying the detector and the X-ray source. The arm is controlled to follow a specific trajectory in order to acquire an enhanced 3D image of the subject.

Systems (10) and methods (100) for determining airway impedance of a patient undergoing mechanical ventilation are disclosed. A controller (22) including one or more electronic processors (30) is configured to: receive (104) an apparent airway impedance of a patient measured during an impedance estimation procedure by a mechanical ventilator (14); determine (106) at least one cheek metric based on data received from at least one cheek sensor (24a, 24b, 24c) associated with the patient; determine (108) a cheek impedance based on the at least one cheek metric; and determine (110) a true airway impedance based on the apparent airway impedance and the cheek impedance.

A method is provided for generating a medical image indicating the presence of uric acid. A base image indicates the presence of uric acid on a pixel-by-pixel basis. Pixel values of the base image are modified using the effective atomic number and the electron density values associated for the tissue associated with those pixels.

Composite matching layer and method of fabricating composite matching layers for ultrasound transducers. A method of fabricating composite matching layers comprises mechanically shaping a high impedance material (120) to yield a trapezoidal-shaped bar or a plurality of parallel pyramidal shaped columns, and fill grooves between said trapezoidal-shaped bars or plurality of parallel pyramidal shaped columns with a low impedance material (130).

There is provided an anode disc (200) for use as rotating anode in an X-ray tube. The anode disc comprises a center region (220) including a center (210), wherein the center (210) intersects an axis of rotation when the anode disc is in use. The anode disc (200) further comprises an outer circumference (230) surrounding the center region (220), and at least three slots (201, 202, 203) for reducing stress when the anode disc is in use. Each slot extends from the outer circumference towards the center region. According to embodiments of the invention, the slots (201, 202, 203) are unevenly distributed along the outer circumference, such that each circumferential distance (c12, c23, c31) between two neighboring slots is different. By providing an anode with slots that are unevenly distributed along the circumference, the risk of patterns in X-ray intensity distribution is reduced. Furthermore, when images from multiple integration periods are combined to form a reconstructed image, possible disturbance from the unevenly or randomly distributed slots will be noise that can be filtered out or will even out, as compared to repeating patterns that may grow with each integration. Thus, imaging quality may be improved.

A wirelessly powered heating apparatus comprises a thermally conductive support element (207) supporting an item to be heated. At least one power extraction heating element (209) is fixed relative to the support element (207). The power extraction heating element (209) is electrically conductive and thermally coupled to the support element (207). It is further arranged to have dimensions that allow it to be heated by eddy currents in the presence of a varying electromagnetic field. The apparatus further comprises a power extracting circuit (211) electrically coupled to opposing ends of the power extraction heating element (209) and extracts electrical power from the power extraction heating element (209). The power extraction heating element (209) (e.g. together with the coupling to the power extracting circuit) form at least one loop enclosing an area which can receive a magnetic flux from a power transmitter.

An apparatus includes a magnet comprising an electrically superconductive coil adapted to function in a driven mode. A magnet controller (210) is connected to the magnet. A power supply (122) adapted to provide direct current (DC) power to the magnet. An electrical connection is provided between the magnet to provide the DC power to the magnet. A communication interface (206) adapted to communicate signals across the cable between the power supply (122) and the magnet controller (210). The signals between the communication interface (206) and the magnet controller (210) are high-frequency (HF) signals that do not substantially interfere with the DC power transmitted across the cable.

Disclosed herein is a passive shim system (100) for a magnetic resonance imaging system (400). The passive shim system comprises a mounting system (106) for mechanically receiving and positioning multiple passive shim elements (112). The passive shim system comprises multiple fiber optic temperature sensors (110) configured for optically measuring sensor specific temperature data (126). The multiple fiber optic temperature sensors are thermally coupled to the mounting system and/or the multiple passive shim elements. The passive shim system comprises a controller (114) comprising a local memory (120) and a local computational system (116). The local memory stores local machine executable instructions (124). Execution of the local machine executable instructions causes the local computational system to repeatedly: control (300) the multiple fiber optic temperature sensors to measure the sensor specific temperature data, and provide (302) the sensor specific temperature data.

The invention provides a bitstream, an encoding apparatus and method for encoding the bitstream, and a decoding apparatus and method for decoding the bitstream. The bitstream comprises a first plurality of encoded data structures and at least one further plurality of encoded data structures. Each data entry in each encoded data structure of the first plurality comprises parameters for a respective 3D Gaussian splat in a first set of 3D Gaussian splats representing a 3D scene at a first moment in time. Each data entry in each encoded data structure of each further plurality comprises parameters for a respective 3D Gaussian splat in a further set of 3D Gaussian splats representing the 3D scene at a further moment in time. Each data structure in each further plurality corresponds to a data structure in the first plurality. Corresponding data structures have the same number of data entries as one another.

Proposed concepts aim to provide schemes, solutions, concepts, designs, methods, and systems pertaining to tooth localization and identification in dental imaging. In particular, embodiments aim to provide accurate and robust methods for matching tooth images from routine scans to reference images from calibration scans, enabling reliable tooth identification and localization without requiring a highly accurate universal tooth classification model.

A computer-implemented method of providing guidance for acquiring a medical image, is provided. The method includes: receiving camera image data representing an anatomical region (120) within a field of view of a medical imaging system; analysing the camera image data to determine a presence, or an absence, of an anatomical orientation marker (150) within the field of view of the medical imaging system; and outputting guidance for acquiring a medical image of the anatomical region (120) using the medical imaging system. The guidance is generated based on the presence, or the absence, of the anatomical orientation marker (150).

The present disclosure provides concepts for processing pixels of interest of a 3D volume of an anatomical structure to generate a 2D image of the anatomical structure. The method includes, for each of the pixels of interest: identifying one or more compound pixels in the vicinity of the respective pixel in the 3D volume based on one or more features of the anatomical structure included in the 3D volume; and determining an updated value of the respective pixel based on values of the compound pixels. The method further includes generating the 2D image based on the updated values of the pixels of interest. The method allows for adaptive compounding based on the shape of the anatomical structure included in the 3D volume, such that blurring and ghosting artifacts are reduced, while maintaining the benefits of compounding techniques (e.g., noise reduction).

Proposed concepts aim to provide schemes, solutions, concepts, designs, methods and systems pertaining to a method for controlling a display of data. In particular, embodiments aim to provide a method for controlling a display, in which the evolution of the display position of a second eraser bar described by a second display control signal is controlled based on the evolution in the display position of a first eraser bar described by a first display control signal. This may, for example, help to reduce disturbance of waveform display when adding or removing a window.

Provided is a hair dryer attachment (100) for attaching to a hair dryer (102), which hair dryer has an air inlet (104) for admitting air into the hair dryer, a fan unit (106), and an air outlet (108) for allowing the air admitted into the hair dryer to be blown by the fan unit out of the hair dryer. The hair dryer attachment comprises at least one air inflow path (110) configured to interface with the air inlet and to guide air into the air inlet when the hair dryer attachment is attached to the hair dryer. Additionally provided is a hair treatment assembly (100, 102) comprising a hair dryer and such a hair dryer attachment. Further provided is a method of operating a hair dryer, in which method the hair dryer attachment is attached to the hair dryer.

Disclosed herein is an oral cleaning device (100, 400) comprising a drive train (111) configured for actuating a cleaning element (118). The oral cleaning device further comprises a motion sensor (112, 112') configured for providing sensor data (132) descriptive of motion of the drive train. The oral cleaning device further comprises; a memory (128) storing machine executable instructions (130).The oral cleaning device further comprises a computational system (126). Execution of the machine executable instructions causes the computational system to: repeatedly (200) receive the sensor data from the motion sensor; detect (202) a biting event (136) by inputting the repeatedly acquired sensor data into a biting event detection algorithm (134); and execute (204) a biting event protocol if the biting event is detected, wherein the biting event protocol comprises reducing power (138) supplied to drive train for a predetermined duration.

Proposed concepts thus aim to provide schemes, solutions, concepts, designs, methods and systems pertaining to determining a flow rate from a pump to an actuator of a blood pressure measurement system. In particular, embodiments aim to provide a method determining a flow rate from a pump to an actuator of a blood pressure measurement system. This can be achieved by using a pump operating parameter value which describes an operation of the motor of the pump and a pressure value which is responsive to a pressure inside the actuator.

Disclosed herein is a drive train mount (114) for an oral cleaning device (100). The drive train mount comprises a mounting component (116) comprising a first fastening interface (210) configured for receiving the drive train of the oral cleaning device and comprising at least one first gripping element (204). The drive train mount further comprises a clamping component (118) comprising at least one second gripping element (206) paired with the at least one first gripping element and a second fastening interface (211). The clamping component and the mounting component are configured to form a wedged mechanical interlock (500). Actuation of the wedged interlock causes the paired at least one first gripping element and the at least one second gripping element to form at least one parallel jaw clamp (300) configured to grip at least one interior structural element (106) of the oral cleaning device.

Proposed concepts thus aim to provide schemes, solutions, concepts, designs, methods and systems pertaining to generating a synthetic data signal. In particular, embodiments aim to provide a method for generating a synthetic data signal by first modifying a data signal (to be input into a trained generative network) by adding error-correction information to the data signal. The modified data signal (i.e., the data signal with the added error-correction information) is then input into the trained generative network to generate a synthetic data signal. The added error-correction information allows errors to be corrected during subsequent reconstruction of the data signal from the synthetic data signal.

A computer-implemented method of image viewing and/or processing within an image viewing and/or processing environment, comprising the following steps:- obtaining screen capture content of at least part of an image display of the first processing application, wherein the image display is based on image data at least partially loaded into the first processing application;- automatically attempting to retrieve window characteristic information from the screen capture content based on at least one screen location of window characteristic information from the library of screen locations;- classifying the screen capture content:- as recognizable if window characteristic information can be retrieved;- as non-recognizable if the library of screen locations currently does not contain any screen locations and/or if no window characteristic information can be retrieved;- in case the screen capture content is classified as recognizable:- providing the window characteristic information to the second processing application;- synchronizing the window of the second processing application based on the received window characteristic information of the first processing application;in case the screen capture content is classified as non-recognizable:- performing a learning process to determine at least one screen location of window characteristic information on the image display based on changes happening over time on the image display and/or based on user input and storing the at least one screen location of window characteristic information in the library of screen locations.

A mechanism for producing three-dimensional (3D) computed tomography (CT) images representing a target volume of a subject (e.g., a patient). Specifically, the proposed method applies to target volumes that are associated with a quasi-periodic motion, e.g., the heart. Said quasi-periodic motion is characterized by a regular, repetitive and/or rhythmic motion of the target volume that may not have a consistent frequency and/or period (e.g., where said frequency and/or period varies with time).

The invention concerns a method for wireless charging of one or more detachable accessory devices during acquisition of magnet resonance imaging data. The method comprising the following steps: Receiving magnet resonance system data from an MR system; Receiving charging data from a charger of a detachable accessory device comprising at least a charging field of the charger; Determining an influence of the charging field of the charger on magnet resonance imaging data; Charging at least one detachable accessory device during acquisition of magnet resonance imaging data, and reducing the influence of the charging field on the magnet resonance imaging data during charging of the at least one detachable accessory device by using the magnet resonance system data. The invention further concerns an apparatus for wireless charging of one or more detachable accessory devices during acquisition of magnet resonance imaging data.

Provided is a sensor support strap (10) for allowing a subject to wear a sensor arrangement supported by the strap. The sensor support strap has a strap member securable to a body part of the subject. The sensor support strap has a flap (12), a main portion (14) and a hinging portion (16) provided between the flap and the main portion. The sensor support strap has an edge (34) which at least partly defines an opening of the strap member in which the body part is receivable when the strap member is secured to the body part of the subject such that a flap region (18) of the edge is contactable by the body part. The flap is at least partly delimited by the flap region and a flap side edge (32). The flap side edge extends from the flap region to reach the hinging portion so as to cause the strap member to preferentially hinge at the hinging portion. Additionally provided is a system comprising the sensor support strap and a sensor arrangement for being supported by the strap. Further provided is a method of use of the sensor support strap and a method of manufacturing the sensor support strap.