Philips Patente

Provided is a hair treatment device for treatment of hair. The device comprises an air inlet portion comprising an air inlet being positioned at the front side of the hair treatment device to face user's hair when in use; an air flow generator arranged for drawing air into the device via the air inlet; at least two output portions partially surrounding the air inlet portion so that at least part of the air inlet portion is positioned in-between the at least two output portions; each of the at least two output portions comprising a first air outlet for output a first air flow in a direction towards the user or inwardly towards the air inlet; a bottom portion surrounding a bottom part of the air inlet portion; wherein the bottom portion is arranged to either not output air flow, or to output a second air flow downwards away from the air inlet.

An audio apparatus generates a data signal including encoded data for the mono downmix audio signal being a downmix of a stereo signal, spatial upmix parameters, and data for a difference signal indicative of a difference between the mono downmix audio signal and a directional signal representing a point source audio component. Another apparatus comprises a receiver (301) receiving the data signal and a compensator (305) which generates a modified mono downmix audio signal by compensating the mono downmix audio signal as a function of the difference signal. The resulting modified mono downmix audio signal is rendered by a renderer (307) at a direction determined from the spatial upmix parameters by a direction determining circuit (309).

System (FS) and related method of facilitating operation of an imaging apparatus (IA). The system comprises an input interface (IN) for receiving input data (D) comprising i) imaging context data (c) relating to an intended imaging procedure or to a phase of such a procedure and/or to a subject (PAT) to be imaged, and ii) image quality, IQ, score data (s) indicative of an intended IQ to be achieved. A trained machine learning model (M) of the system processes the input data (D) to compute output data (p) related to an imaging setting for the imaging apparatus (IA).

A method for customizing a clinical protocol workflow by generating a decision model based on a clinical rule specific to a subject. The method comprises obtaining clinical protocol data (110) specific to subject wherein the clinical protocol data comprises a clinical rule; generating a decision model (120) based on the obtained clinical protocol data; adjusting a predetermined general workflow model (130) based on the obtained clinical protocol data to generate an adjusted predetermined general workflow model; and executing the adjusted predetermined general workflow model (140) using the generated decision model.

The present invention provides a sensor (11) for a radio frequency coil (1), comprising: a frame (2), a mechanical biasing element (3), a mass (4), and a mechanical retaining mechanism (5) for holding the mass (4) in a retaining position, wherein the mechanical biasing element (3) is abutted to the frame (2) and configured to exert a bias force on the mass (4), urging the mass (4) away from its retaining position into a displacement direction, and the mechanical retaining mechanism (5) is configured to hold the mass (4) in the retaining position against the bias force of the mechanical biasing element (3) and to let the mass (4) displace from the retaining position in the displacement direction into a displacement position when an external force with a force component in the displacement direction exceeding a predetermined threshold is exerted on the mass (4) in addition to the bias force of the mechanical biasing element (3). In this way, a possibility for detecting mishandling of a radio frequency coil (1) in a safe an efficient way is provided.

An audio apparatus has a receiver (301) receiving a data signal including encoded data for a mono downmix audio signal and spatial upmix parameters for upmixing the downmix to a stereo signal. It further includes a directional circuit (305) estimating a directional signal of a signal model for a stereo signal, and a generator 317 generating two estimated signals being residual signals of the signal model. A rendering function (307, 309, 311, 313, 319) renders a stereo signal from the signal model. An adapter (321) controls the generator (317) to adapt a relative property, such as specifically a correlation or relative signal level, between the first estimated signal and the second estimated signal in dependence on the spatial upmix parameters.

An audio apparatus comprises a downmixer (105) generating a downmix audio signal by downmixing a multichannel audio signal. A trained artificial neural network (111) determines scale factors for time frequency intervals of the multichannel audio signal from samples of the multichannel audio signal or the downmix audio signal. A signal generator (113) generates a modified multichannel audio signal by applying the first scale factors to samples of the time frequency intervals and a parameter circuit (115) generates spatial parameters representing relative properties for channels of the first modified multi-channel audio signal. An output circuit (109) generates am encoded audio signal to comprise the downmix audio signal and the spatial parameters. The encoded audio signal may also include a residual signal. A complementary apparatus may receive the encoded audio signal and comprise a trained artificial neural network (111) which from the downmix audio signal can generate corresponding scale factors. An output multichannel audio signal is generated by upmixing the downmix audio signal using these scale factors and the received spatial parameters.

Proposed concepts aim to provide schemes, solutions, concepts, designs, methods, and systems pertaining to cardiac monitoring of a subject which involves obtaining both echocardiogram data and a cardiac activity signal. In particular, embodiments aim to provide a method of cardiac monitoring in which a cardiac rhythm abnormality value is determined and used to generate supplementary data which can accompany the echocardiogram data to provide a comprehensive view of the cardiac behaviour of the subject during a monitoring time period.

The invention relates to a skin-cleansing implement (11) comprising a plurality of bristle elements (35) arranged on a carrier (23) which is rotatable about an axis of rotation (25). The bristle elements each have an axial tip distance (D_T) at which a distal tip (43) of the bristle element is arranged from an imaginary reference plane (45). A distal-tip amplitude of the bristle elements in a first central area (51) of the carrier, which is defined as a difference between a largest axial tip distance and a smallest axial tip distance of the bristle elements in the first central area, is smaller than 1 mm and is preferably zero. The bristle elements in a second area of the carrier, surrounding the first central area, are arranged in annular zones (59). In each annular zone the bristle elements have different axial tip distances (D_T), and a distal-tip amplitude (A_T) is defined as a difference between a largest axial tip distance (D_TL) and a smallest axial tip distance (D_TS) of the bristle elements in the annular zone. The distal-tip amplitude of the bristle elements in an outermost annular zone (59-1) has a maximum amplitude value (A_TMAX), and the distal-tip amplitude of the bristle elements in the other annular zones is smaller than the maximum amplitude value. The distal-tip amplitude may gradually increase in a radial outward direction (R) from a minimum amplitude value (A_TMIN) at an innermost annular zone (59-2) to the maximum amplitude value (A_TMAX) at the outermost annular zone.

A lesion maceration catheter includes an elongate catheter body, a cutting head assembly and an eccentric positioning element. The cutting head assembly is disposed at a distal end of the catheter body. The cutting head assembly includes a protective cage with an opening in a side surface of the protective cage, and a cutting element within the protective cage and exposed through the opening. The eccentric positioning element is configured to press the opening of the cutting head assembly against a vessel wall.

A catheter system (110) for treating a lesion (112) in a vessel (111) of a subject includes a dilator catheter (120) and a therapy catheter (130) configured for insertion in the vessel. The dilator catheter has a main portion (122) and a tapered portion (123) configured to compress the lesion as the dilator catheter is advanced through the vessel, where the tapered portion increases from a first diameter at a distal end of the tapered portion to a second diameter at a transition between the tapered and main portions. The therapy catheter houses a delivery system (133) for a therapy device (135) configured to remove a portion of the lesion while the lesion is compressed by the dilator catheter.

A device is provided for hair removal or treatment of skin. A light source is used to generate treatment light. A reflector redirects output light from the light source to an output window, and the reflector encloses a reflector volume. A contact surface is provided for contacting the skin at a front face of the contact surface. The output window forms an inner surface portion of the contact surface that closes the reflector volume, and the contact surface has an outer surface portion that extends outwardly of the reflector volume. A guide wall is used to define a cooling chamber which contacts an outside surface of the reflector and a back face of the outer surface portion of the contact surface. This cooling chamber is used to provide skin cooling as well as to draw heat away from the reflector volume.

The present invention relates to a method (200), device (10), and system (100) for determining ambient atmospheric pressure of a non-invasive blood pressure measurement system (50). The method comprises: - obtaining a pressure difference measurement result comprising information about pressure differences over time between the inside of the NIBP measurement system and the ambient atmosphere as measured by a gauge pressure sensor of the NIBP measurement system; and - determining the ambient atmospheric pressure based on a predetermined mathematical model, wherein the predetermined mathematical model is based on the obtained pressure difference measurement result, performance parameters of a pump of the NIBP measurement system and one or more of: - an effective opening area of a valve and/or orifice of the NIBP measurement system if a valve and/or orifice of the NIBP measurement system is opened, - properties of a body part of a user and an actuator of the NIBP system if the actuator is attached to the body part, and - a volume of a rigid container if the NIBP measurement system comprises the rigid container, the rigid container at least replacing the actuator of the NIBP system.

The invention relates to a system for facilitating the diagnostic of cardiac abnormalities based on ECG measurements. The system comprises an input interface configured to receive an electrocardiogram ECG signal; analyze the ECG signal using a delineation algorithm so as to segment the ECG signal into multiple beats; determine for each beat a set of measurements; group beats having similar measurements per cluster, each cluster representing a different sub-rhythm; and aggregate measurements within each cluster before being displayed to an user.

Disclosed herein is a method of computed tomography that comprises receiving measured raw projection data (122) of a computed tomography scan descriptive of a field of view (320) of a subject (308). The method further comprises reconstructing (200) a measured computed tomography image (124) from the raw projection data and receiving (202) a modified computed tomography image (126). At least a central region (800) of the modified computed tomography image is identical with the measured computed tomography image. The method further comprises generating (204) a difference image (128) by subtracting the measured computed tomography image from the modified computed tomography image and generating (206) synthetic raw projection data (132) descriptive of the difference image. The method further comprises generating (208) modified raw projection data (134) by adding the synthetic raw projection data to the measured raw projection data. The method further comprises providing (210) the modified raw projection data.

A method for processing cardiac ultrasound color flow image data. The method includes receiving color flow data indicative of blood flow in a cardiac region of a subject, generating an initial color flow image (82) for the cardiac region based on the received color flow data, deriving one or more flow parameters from the received color flow data, applying a target area determination operation (18) to determine a target area in the initial image based on the values of the color flow parameters corresponding to each image pixel, creating an image mask (72) comprising mask pixels corresponding to image pixels and having values dependent on whether the corresponding image pixels belong to the target area, obtaining a modified color flow image (84) by selectively processing the initial color flow image using the image mask, and displaying the modified color flow image on a display device (44).

Disclosed herein is an MRI radio-frequency receiver (100) with a connector module (112) for receiving multiple MRI coils (104, 106, 108) with a cumulative maximum of M coil elements. The radio-frequency receiver comprises a receiver module (114) comprising N independent receive channels for digitizing MRI signals and receiving channel tune-detune (DT) signals (418) for controlling the coil elements. M is larger than N. The radio-frequency receiver comprises a controllable RF switching network (116) for routing radio-frequency signals from the coil elements to the independent receive channels. The radio-frequency receiver comprises a tune-detune module (118) for providing coil element specific tune-detune signals. Machine executable instructions (120) cause a computational system (110) to: control (200) the controllable RF switching network to perform the routing using a radio-frequency switching configuration table (124); and control (202) the tune-detune module to generate coil element specific tune-detune signals using a tune-detune configuration table (126).

The present invention relates to a patient monitoring method and device (10) for monitoring a patient. The method comprises obtaining one or more physiological signals of the patient, determining an event risk of a future health adverse event of the patient based on one or more of the obtained physiological signals, real-time monitoring of a current health adverse event of the patient based on one or more of the obtained physiological signals using a monitoring algorithm having one or more adjustable configuration parameters, and adjusting one or more of the adjustable configuration parameters of the monitoring algorithm based on the determined event risk.

A breast pump device for expressing milk from a breast, wherein the breast pump device is configured to: - receive a diaphragm configured to, during use, communicate a pressure profile generated by a pressure source from a pump chamber, configured to be pneumatically coupled to the pressure source, to the breast; - comprise a nipple volume for receiving a nipple of the breast during use, the nipple volume having a longitudinal axis and having a proximal end and a distal end, the proximal end, during use, being closer to the user than the distal end; and - have the diaphragm form a boundary of the nipple volume at the distal end of the nipple volume during use, characterized in that, the breast pump device is configured such that, when the breast pump device, including the diaphragm, has been assembled, the diaphragm defines the pump chamber only partially.

Provided is a breast pump diaphragm (100) for mounting to a diaphragm holder of a breast pump assembly. The diaphragm has a first exterior surface (104) for facing the diaphragm holder when the diaphragm is mounted thereto, and a second exterior surface facing away from the first exterior surface. A peripheral portion (108) of the diaphragm has a polygonal shape in plan when the diaphragm is viewed facing the first exterior surface or the second exterior surface. The polygonal shape is for enabling the diaphragm to be fitted to a polygonal mounting portion of the diaphragm holder. The diaphragm has a three-dimensional shape that has an axis of rotational symmetry (A1) extending through a center of the polygonal shape. The axis of rotational symmetry enables the diaphragm to be fitted to the polygonal mounting portion in a plurality of angular orientations adoptable by rotating the diaphragm about the axis.

Provided is a milk expression kit (10) that has a nipple-receiving member (52) in which a mother's nipple (NP) is at least partially receivable, a diaphragm holder (102), and a breast pump diaphragm (100) for mounting to the diaphragm holder. The diaphragm includes a first exterior surface (104), with a pump chamber being defined between the diaphragm holder and the first exterior surface when the milk expression kit is assembled for use. The diaphragm also includes a second exterior surface (106) facing away from the first exterior surface. The diaphragm is configured to transfer a variable pressure provided in the pump chamber to a breast chamber that is at least partly delimited by the second exterior surface. Further provided is a breast pump assembly comprising a variable pressure generator and the milk expression kit.

The present disclosure provides an interventional imaging system for generating medical images of an imaging area of a subject. The system comprises a smoke detection optical device configured to acquire images of the imaging area. In addition, a smoke extraction arrangement comprising one or more suction units positioned within the vicinity of the imaging area for extraction of surgical smoke is provided. A processing unit processes the acquired images, with a smoke detection algorithm or model, to detect surgical smoke in the imaging area. Then, responsive to detecting the surgical smoke in the imaging area, the processing unit controls the smoke extraction arrangement to extract the detected surgical smoke.

A system (100) for determining a presence of contrast agent flow artifacts, is provided. The system includes one or more processors (110) configured to receive (S110) X-ray attenuation data (120), the X-ray attenuation data representing, at each of a plurality of different points in time (i), a spatial distribution (130<i>) of contrast agent within a vascular region. The one or more processors (110) are also configured to analyze (S120) the X-ray attenuation data (120) to identify one or more differences (140<j>) between the spatial distributions (130<i>). The one or more processors (110) are also configured to determine (S130) a presence of at least one contrast agent flow artifact (150) in the vascular region based on the one or more differences (140<j>).

Disclosed herein is a method of x-ray imaging. The method comprises receiving (200) a dark-field x-ray image (126) descriptive of a field of view (320) comprising a lung region of a subject (304). The method further comprises receiving (202) a transmission x-ray image (124) descriptive of the field of view of the lung region of the subject. The method further comprises receiving (204) a pulmonary segmentation (128, 600, 700, 700') in response to inputting one of the dark-field x-ray image and the transmission x-ray image into a pulmonary segmentation module (122). The method further comprises constructing (206) pneumothorax image (130, 130', 130") by overlaying the pulmonary segmentation onto the other of the dark-field x-ray image and the transmission x-ray image. The method further comprises providing (208) the pneumothorax image.

Proposed concepts thus aim to provide schemes, solutions, concepts, designs, methods and systems pertaining to training an artificial neural network for interpreting clinical measurement signals. In particular, embodiments aim to provide a method for training an artificial neural network for interpreting clinical measurement signals by training the ANN on a plurality of non-manually annotated clinical measurement signals, and then automatically retraining said ANN on additional non-manually annotated clinical measurement signals responsive to a trigger (e.g., a specific time period elapsing and/or a threshold volume of new data in the database being reached).

A system includes a processor configured for communication with an ultrasound probe. The processor is configured to control the ultrasound probe to obtain ultrasound image frames during a blind sweep protocol on a pregnant patient, and provide the ultrasound image frames as an input to a deep learning network trained to detect fetal anatomies. The processor is also configured to generate, as an output of the deep learning network, detections of the fetal anatomies of a fetus within the ultrasound image frames, determine a fetal lie using the detection of the fetal anatomies, and display an output representative of the fetal lie.

The subject-matter of the present disclosure relates to a mobile radiography apparatus (100), comprising a first set of sensors (116), comprising at least one sensor, configured to receive a signal emitted by a beacon device (200), a controller (118) configured control a linear movement of the mobile radiography apparatus based on the received signal, a second set of sensors (120), comprising at least one sensor, configured to detect a position of the beacon device, wherein the controller is configured to control a rotational movement of the mobile radiography apparatus to adjust an alignment of the mobile radiography apparatus with respect to the beacon device, based on the detected position of the beacon device.

A system includes a processor configured for communication with an ultrasound probe. The processor is configured to control the ultrasound probe to obtain ultrasound image frames during a blind sweep protocol on a patent with a pregnancy, and provide the ultrasound image frames as an input to a deep learning network trained to detect fetal anatomies. The processor is also configured to generate, as an output of the deep learning network, detections of the fetal anatomies within the ultrasound image frames, generate an anatomical map based on the fetal anatomies, determine that the pregnancy is a multiple gestation based on the anatomical map, and display an output representative of the determination that the pregnancy is a multiple gestation.

Methods and systems for magnetic resonance imaging at least a part of a body are presented. The method comprises: acquiring signals by subjecting the portion of the body (10) to first and second contrast encoding elements within one repetition time (TR) of a sequence, wherein the first contrast encoding elements comprise chemical exchange saturation transfer (CEST) information encoding and the second contrast encoding elements comprise diffusion information encoding; deriving CEST information based on the signals associated with the first contrast encoding elements; deriving diffusion information based on the signals associated with the second encoding elements; and outputting the CEST information and the diffusion information. The system comprises a computational system (15) configured to perform the method.

Disclosed is a method (300) for parameter setting for a medical imaging procedure. The method comprises: controlling (S1) a motorized patient support (120) to apply an excitation to patient body tissue; monitoring (S2) a response of the patient body tissue to the applied excitation; determining (S3) composition of the patient body tissue based on the monitored response; and determining (S4) values of one or more parameters for use in conjunction with the medical imaging procedure based on the determined composition. The method facilitates resource efficient body composition estimation for parameter setting during medical imaging procedures.

A method for determining positions of calipers includes performing calibration to identify preferred placements of calipers in template ultrasound images. The method includes receiving ultrasound image of a patient, inputting the ultrasound image to a first machine learning model for automatically detecting an anatomical view of an anatomy and cropping the ultrasound image to show an ROI, retrieving a matching template ultrasound image that matches the detected anatomical view and preferred placements of the calipers, encoding the preferred placements to provide position embedding, encoding the matching template ultrasound image to provide a first image embedding, encoding the cropped ultrasound image to provide a second image embedding, inputting the position embedding, the first image embedding, and the second image embedding to a trained second machine learning model for predicting positions of calipers in the cropped ultrasound image. The method includes displaying the predicted positions of the calipers, enabling placement of the calipers at the predicted positions.

Disclosed methods and systems relate to denoising a basis material spectral CT image of an anatomical structure. It involves obtaining a noise estimate image with noise values associated with different parts of the spectral CT image, and a structural image describing the anatomical structure. The noise estimate image is modified based on the structural image. For example, the noise estimate image may indicate the presence of more noise in parts of the spectral CT image that are associated with air, as indicated by the structural image. A denoised spectral CT image is then generated using a spectral image denoising algorithm, based on the spectral CT image and the modified noise estimate image. Accordingly, a denoised spectral CT basis material image that may be used to generate certain spectral results images of higher quality may be provided.

A hair care device with a recirculating air flow. The air flow is directed out of an air outlet and into a hair care volume that lies between two elongate housings of the hair care device. An air inlet receives at least a portion of the air flow through the hair care volume, which portion is recirculated to the air outlet via an air flow generator of the hair care device.

A computer-implemented method of generating responses, e.g. answering questions, using an artificial intelligence, Al, agent, is provided. The method includes receiving a plurality of consecutive statements; and invoking the AI agent to generate, and to output, responses corresponding to the statements. For at least one of the statements, the invoking comprises: combining the statement with one or more earlier statements to provide a combined statement; and generating, and outputting, a response to the combined statement. The generating of the response to the combined statement is performed concurrently with the generating of the response to at least one of the one or more earlier statements.

A system for predicting tissue treatment settings and response of tissue is described. When executed by the processor, instructions cause the processor to: (a) receive measured nitric oxide (NO) tissue data from a personal healthcare device; (b) apply a trained computational model to predict an NO response, and based on the predicted NO response, predict tissue treatment settings; (c) compare the predicted treatment settings to a safety limit; (d) when the comparison of the predicted treatment settings is equal to or below the safety limit, update the predicted treatment settings and carrying out the tissue treatment at the predicted treatment settings; and (e) when the comparison of the prediction is greater than the safety limit, adjust the tissue treatment settings, update weights of the trained computational model, and repeat (c) through (e). A method and a tangible, non-transitory computer readable medium to make the predictions are also disclosed.

The present invention relates to a computer-implemented method for dynamic geometry adaption during rotation of an X-ray image. The method comprises receiving a first X-ray image comprising a region of interest of a subject, receiving a plurality of second X-ray images of the subject, an imaging region of the plurality of second X-ray images being adjacent to and surrounding the region of interest of the subject, stitching the plurality of second X-ray images together, thereby generating a stitched image, and registering the first X-ray image onto the stitched image, thereby generating a combined image. The method comprises further receiving an input from a user defining a rotation angle, rotating the combined image by the rotation angle around a central point of the combined image, thereby generating a rotated combined image, determining an image section of the rotated combined image, wherein an orientation of the image section of the rotated combined image is the same as an orientation of the first X-ray image, and providing the determined image section of the rotated combined image.

A personal care device is for application against the skin, such as an IPL device. An optical displacement sensor generates a displacement signal representative of a displacement of the device relative to the skin and a movement sensor generates a movement signal representative of an absolute movement of the device. The displacement signal is used to generate a first contribution to a movement output signal and the movement signal is used to generate a second contribution to the movement output signal. The movement output signal is generated primarily or entirely based the first contribution when the displacement signal is determined to be reliable, and primarily or entirely based on the second contribution when the displacement signal is determined to be not reliable. In this way, relative displacement sensing and absolute motion sensing are combined to accurately track movement of the device.

A system for predicting tissue treatment settings and response of tissue is described. When executed by the processor, instructions cause the processor to: (a) receive measured nitric oxide (NO) tissue data from a personal healthcare device; (b) apply a trained computational model to predict an NO response, and based on the predicted NO response, predict tissue treatment settings; (c) compare the predicted treatment settings to a safety limit; (d) when the comparison of the predicted treatment settings is equal to or below the safety limit, update the predicted treatment settings and carrying out the tissue treatment at the predicted treatment settings; and (e) when the comparison of the prediction is greater than the safety limit, adjust the tissue treatment settings, update weights of the trained computational model, and repeat (c) through (e). A method and a tangible, non-transitory computer readable medium to make the predictions are also disclosed.

The present invention relates to a battery holder (10) configured for holding and electrically contacting a battery (32). The battery holder (10) comprises a battery chamber (12) configured to receive the battery (32) and having a longitudinal axis; a first electric contact (14) arranged at a first end portion of the battery chamber (12) and configured to electrically contact a first electric terminal (34) of the battery (32), wherein the first electric contact (14) is configured as a scrape contact to electrically contact a circumferential contact surface of a metal pin (36) of a first electric terminal (34) of the battery (32) at two mutually opposite positions on said circumferential contact surface; and a second electric contact (16) arranged at a second end portion of the battery chamber (12) opposite the first end portion and configured to electrically contact a second electric terminal (38) of the battery (32), wherein the second electric contact (16) is configured as a spring contact to electrically contact a metal contact surface of the second electric terminal (38) of the battery (32) by spring force of the spring contact acting in an axial direction parallel to the longitudinal axis of the battery chamber.

The invention relates to an actively cooled ultrasound system. The system includes a cable (200) comprising a cable connector (250) with an inlet (215) and outlet (235) for coolant, a heat pump to draw the coolant, and an ultrasound probe (100) with an imaging sensor (120) and an electronic circuit (150). An open-loop cooling circuit circulates the coolant past the electronic circuit to absorb and transport heat away. The cable has a first coolant conduit (210) to transport coolant to the probe and a second coolant conduit (230) to transport coolant back to the connector.