Philips Patente

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.

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.

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.

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 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.

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.

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 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.

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).

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.

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.

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).

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).

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.

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.

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.

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.

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.

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.

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.

A method for evaluating changes in patient hemodynamic status, e.g. hemodynamic responsiveness, between before and after clinical intervention events. Waveform features extracted from an ensemble average blood velocity pulse waveform for the patient are fed as input to an analysis algorithm, for example comprising a classifier, to generate an output indicative of one or more hemodynamic characteristics, for example indicative of hemodynamic responsiveness. This can be used to evaluate changes in hemodynamic responsiveness before and after a clinical intervention event.

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.

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.

A method and system for preprocedural planning is disclosed. The method includes receiving a 3D medical image (205) comprising 3D segmentation (210) of a vessel (220). The 3D segmentation (210) comprises a centerline (214A) of the vessel (220) and contours (218 A-N) of an inner wall of the vessel (220). The centerline (214A) and contours (218 A-N) of the inner wall of the vessel (220) are represented as centerline points (222 A-N) and contour points (224 A-N) in a 3D space. The method includes identifying an inner (212) and an outer curve (216) of the inner wall of the vessel (220) and outputting the inner (212) and the outer curve (216) of inner wall of vessel (220) on a display. Additionally, when an aneurysm is detected, the method (100) includes recomputing the centerline (214B), modified contours in the region of aneurysm and inner (212) and outer (216) curves.

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 method can include receiving, by a wireless device, two search space zero information elements (IEs) of a second cell and two control resource set (coreset) zero IEs of the second cell. A first search space zero IE and a first coreset zero IE of the second cell are included in on-demand system information block 1 (OD-SIB1) request configuration IE. A second search space zero IE and a second coreset zero IE of the second cell are included in a master information block (MIB) message. The method can also include transmitting a preamble indicating a request of the OD-SIB 1 of the second cell and monitoring, in response to an IE indicating a RA search space associated with the RA procedure being absent in the OD-SIB 1 request configuration IE, a physical downlink control channel (PDCCH), for receiving a response corresponding to the transmitting the preamble.

A display forms part of a set of at least two displays. The displays of the set are for connection to a common image supplying apparatus. The display comprises a rewritable memory storing position data indicating a position of the display relative to the other displays of the set and orientation data indicating an orientation of the display. In this way, information stored at the display can be used to configure an image supplying apparatus to supply image data which is appropriate for the positions and orientations of the multiple displays.

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).

An acoustic sensing system is provided for monitoring sounds including sounds from a subject's airway. An acoustic sensor generates an acoustic signal, and a pressure or flow sensor generates a pressure or flow signal relating to the subject's airway. The acoustic signal and the pressure or flow signal are processed to identify secretions. In one aspect, the acoustic signal is processed to filter out sounds associated with the secretions. In another aspect, for each identified secretion, a type is identified from a plurality of different secretion types.

The invention relates to methods and products for risk stratification of low risk prostate cancer patients. In particular the methods provide for predicting an outcome for prostate cancer patients with an ISUP score of 1 or 2. In addition the invention describes treatment suggestions based on the methods of the invention.

A method is disclosed, comprising: receiving, by a wireless device, one or more configuration parameters indicating at least two search space set (SS) groups for physical downlink control channel (PDCCH) monitoring; monitoring the PDCCH according to a first SS group of the at least two SS groups; receiving a downlink control information (DCI) comprising a PDCCH monitoring adaptation field indicating skipping PDCCH during a first window; stopping or skipping, during the first window, the PDCCH monitoring; and in response to transmitting an uplink signal comprising a negative acknowledgement, resuming or starting, after a transmission occasion of the uplink signal, the PDCCH monitoring according to a second SS group of the at least two SS groups.

According to an aspect, there is provided a treatment device (2; 30; 60; 130) for performing light-based treatment operations on or to a subject. The treatment device (2; 30; 60; 130) comprises a light source (12) for generating light for performing the treatment operation; a dichroic filter (34; 64; 104; 134) arranged at a first angle with respect to the incident light such that the incident light is separated into a transmitted light component and a reflected light component according to a cut-off wavelength of the dichroic filter (34; 64; 104; 134), wherein the transmitted light component is transmitted through the dichroic filter (34; 64; 104; 134) and the reflected light component is reflected by the dichroic filter (34; 64; 104; 134); a light exit window (10) through which a light component is emitted from the treatment device (2; 30; 60; 130); a beam dump (44; 74; 140) configured to absorb a light component; and a heat sink (46; 76; 142) coupled to the beam dump (44; 74; 140) to dissipate heat from the beam dump (44; 74; 140). The light exit window (10) and beam dump (44; 74; 140) are arranged with respect to the dichroic filter (34; 64; 104; 134) such that one of the transmitted light component and the reflected light component is emitted from the treatment device (2; 30; 60; 130) via the light exit window (10) and the other one of the transmitted light component and reflected light component is incident on the beam dump (44; 74; 140). The dichroic filter (34; 64; 104; 134) is provided on a first surface of a solid dichroic prism (38; 68) or an internal surface in a solid dichroic cuboid.

An apparatus is arranged to generate a data signal comprising compressed data for a biomedical waveform signal and an indication of a property of the compression process used to generate the compressed data from the biomedical waveform signal. A second apparatus includes a receiver (201) receiving the data signal. A decompressor (303) generates a reconstructed biomedical waveform signal by decompression of the compressed data. Further, the second apparatus comprises an adapter (307) which adapts the decompression in dependence on the indication of the property of the compression. The approach may provide a highly efficient and flexible compression of biomedical waveform signals.

Disclosed is a method (100) for controlling an x-ray system (102), wherein the x-ray system (102) is configured to acquire x-ray images (142) of a target radiation field (134) based on imaging instructions (132) provided by an operator (500) on a display unit (130), wherein the size of the target radiation field (134) may exceed a size of a detector (116). The display unit (130) is configured to display augmented image data (120), wherein the augmented image data (128) comprises 3D projection information (124) about the position of the subject (106) as well as overlays of virtual collimation fields (136). The virtual collimation fields (136) comprise sets of virtual positions (138) of the x-ray components (110). The x-ray system (102) may then be controlled to move the x-ray components (110) to the virtual positions (138), acquiring an x-ray image (142) at each virtual position (138).

A method is disclosed, comprising sending, by a wireless device, to a session management function, SMF, a protocol data unit, PDU, session message requesting a quality of service, QoS, flow of the wireless device, wherein: the QoS flow comprises a plurality of PDU sets associated with a respective plurality of data units of an application; each PDU set comprises one or more PDUs of a respective data unit; the QoS flow comprises QoS parameters of the QoS flow indicating a packet error rate, PER, and a packet delay budget, PDB, for the QoS flow; and the QoS flow is associated with one or more alternative QoS parameter sets, each alternative QoS parameter set comprising an alternative PDU set error rate, PSER, and an alternative PDU set delay budget, PSDB; and receiving, by the wireless device from the SMF, a non-access stratum, NAS, message indicating whether QoS requirements as indicated by the QoS parameters are fulfilled or not.

An apparatus comprises a receiver (201) receiving a biomedical waveform time domain signal and a circuit (203) arranging samples of the biomedical signal into an N-dimensional data structure (N≥2). A compression circuit (205) generates compressed data by applying a compression process to the N-dimensional data structure where the compression process includes an N-dimensional transform coding. A data signal generator (207) generates the data signal to include the compressed data, and an adapter (209) adapts the arranging of samples of the biomedical signal into the structure dependent on a property, such as for example a periodicity, of the biomedical waveform time domain signal. A complementary apparatus is arranged to perform the complementary operations to reconstruct the biomedical waveform time domain signal.

A personal care device drive unit, a personal care system and a method for detecting which of a set of different functional units is attached to the personal care device drive unit using a combination of: at least one parameter related to a measured electric current in a motor of the personal care device drive unit, at least one parameter relating to a measured vibration of a main body of the personal care device drive unit, and at least one parameter of a magnetic field measured by a magnetic field sensor at a fixed location in the main body of the personal care device drive unit. At least one of the set of different functional units includes a functional unit having an integrated magnetic field modifier which modifies a magnetic field detectable at the fixed location in the main body into a pre-determined value.

The present invention relates to a multicore optical fiber (10) configured for shape sensing. The optical fiber (10) comprises an elongated main section (40) and a distal tip section (42) connected to the main section (40). The main section (40) comprises a first cladding (12a) and a plurality of first fiber cores (14a, 16a, 18a, 20a) embedded in the first cladding (12a), and the distal tip section (42) comprises a second cladding (12b) and a plurality of second fiber cores (14b, 16b, 18b, 20b) embedded in the second cladding (12b). The first and second fiber cores (14a, 14b, 16a, 16b, 18a, 18b, 20a, 20b) comprise reflective strain sensitive structures (21) configured for distributed shape sensing along the main section (40) and the distal tip section (42). The main section (40) comprises a first material and the distal tip section (42) comprises a second material different from the first material, wherein a first strain at break of the main section (40) is lower than a second strain at break of the distal tip section (42).