Philips Patente

An ultrasound imaging system acquires, stores, and displays a sequence of ultrasound images of microvasculature acquired during a cycle of contrast agent wash-in and wash-out. The sequence of images is recalled from memory and a region of interest containing microvessels in one of the images is selected using a user interface. The sizes of the microvessels in the region of interest are measured. A slider control on the user interface is manipulated to select a range of microvessel sizes in the region of interest for assessment.

A computer-implemented method of performing a haemodynamic simulation, is provided. The method includes: receiving, by a first processing system (110), spectral CT data (120) representing an anatomical region (130). The method also includes performing (S120), using the first processing system (110), a first haemodynamic simulation using at least a portion of the spectral CT data (120) to provide a first haemodynamic simulation result (140). The method also includes obtaining (S130) a reduced spectral CT dataset (120') from the spectral CT data (120) based on a relevance of one or more subsets (120_1..i) of the spectral CT data to the first haemodynamic simulation result (140). The method also includes transmitting (S140) the reduced spectral CT dataset (120') to a second processing system (150) and/or to a computer-readable storage medium (160).

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).

The present invention relates to an elongated device (10) for medical interventional application. The device comprises a multicore optical fiber (12) arranged for sensing shape, a longitudinal lumen (14) having a longitudinal axis and embedding the optical fiber (12), a shell (16) surrounding the lumen (14), the shell (16) having a main section (18) and a distal terminal section (20) having a bending stiffness lower than that of the main section. The device (10) further comprises a mechanically bendable extension member (34) coupled to a distal ending portion (32) of the optical fiber (12), the extension member (34) longitudinally extending within the lumen (14) into the terminal section (20) of the shell (16). The extension member (34) is configured to transfer bending information related to a bending of the extension member (34) to the ending portion (32) of the optical fiber (12) such that the bending information is sensed by the optical fiber (12).

There is provided a computer-implemented method for determining a setting of a therapy device adapted to provide sleep disordered breathing (SDB) therapy to a subject. The method comprises receiving medication information representative of medication used by the subject. The method comprises determining trait information based on the medication information. The trait information is representative of an influence of the medication on a pathophysiological trait of the subject. The pathophysiological trait has an influence on the SDB of the subject. The method comprises determining the setting of the therapy device based on the trait information.

The present invention relates to a system and computer-implementable method for document-based question answering. The method comprises obtaining a document; obtaining a question of a user related to said document; invoking an AI agent to generate an answer to said question; and outputting the generated answer.

A mechanism for controlling image processing performed on a portion of a digital ultrasound image. One or more display parameters for display of the portion of the digital ultrasound image are used to modify or define one or more parameters of at least one spatial filtering function applied to the portion of the digital ultrasound image.

A computer-implemented method of controlling power consumption within a medical imaging environment (110), is provided. The method includes: receiving video data (120) capturing at least a portion of a medical imaging system (130<1>) within the medical imaging environment (110). The method also includes predicting, based on the video data (120), and for at least one electrical system (130<1..i>) within the medical imaging environment including the medical imaging system (130<1>), or a subsystem of the medical imaging system (130<1>), a future demand for the at least one electrical system. The method also includes generating control signals (140<1..i>) for controlling an energy consumption of the at least one electrical system (130<1..i>) in accordance with the corresponding predicted future demand.

An audio apparatus comprises a video signal receiver (201) receiving video signals from cameras capturing a scene, and an audio signal receiver (203) receives audio signals from microphones capturing audio of the scene. An object selector (205) selects an object of the scene by selecting an image object in a video signal and an object position determiner (207) determines an object position for the object in the scene from detections of the object in images of the video signals and from known poses of the cameras. The distance from the object position to the audio capture poses does not exceed five times the largest distance between the poses. An audio mixer (209) generates an audio mix signal by mixing the audio signals. At least some mixing weights for the audio signals are determined as a function of the first object position relative to audio capture poses for the audio signals.

In the field of medical imaging, suboptimal settings for contrast-enhanced scan sequences can lead to impaired images and in turn to less accurate diagnosis or the need for repeat scans. There is therefore provided a method for adapting a medical imaging procedure to patient characteristics. The method comprises: obtaining (302) at least one measurement of a patient-specific physiological parameter, comprising at least one measurement of pulse transit time of a patient; based on the at least one measurement of pulse transit time, determining (304) a setting for at least one patient-specific system-control parameter for carrying out the medical imaging procedure, wherein the at least one patient-specific system-control parameter comprises at least one substance administration parameter that relates to administration of a substance to the patient for facilitating the medical imaging procedure; and outputting (306) the determined setting for the at least one patient-specific system-control parameter for carrying out the medical imaging procedure. The method thus utilizes pulse transit time as a dynamic feedback parameter for system control in medical imaging, such as for sequence timing and the administration of substances such as contrast agents and beta blockers.

A method of generating guidance for a user of a personal care device with regards to at least one aspect of user-control of the device by means of a controlled acoustic output.

A defibrillation method involving systematically operating a defibrillator (200) between a scheduled operation mode and a custom operation mode. The scheduled operation mode includes an uninterruptible CPR protocol of a fixed CPRtime period and a scheduled shock protocol. The custom operation mode includes an interruptible CPR protocol of a variable time period and a custom shock protocol. An initial execution of the custom operation mode by the defibrillator (200) is disabled by a defibrillation controller (204) prior to a delivery of an initial defibrillating shock to a heart of a patient by the defibrillator (200), and the initial execution of the custom operation mode by the defibrillator (200) is enabled by the defibrillation controller (204) subsequent to the delivery of the initial defibrillating shock by the defibrillator (200) to the heart of the patient.

Disclosed herein is a medical system (100, 200, 400, 600) comprising a subject support (104) with an array of spatially distributed pressure sensors (108). The medical system further comprises a remote spatial mapping system (106, 106') configured for measuring a spatial map (132).The execution of machine executable instructions (130) causes a computational system (120) to: repeatedly (306) acquire the spatial map from the remote spatial mapping system; repeatedly (308) acquire the array of pressure data; generate (302, 310) a subject position model (138) using the repeatedly acquired spatial map and the array of pressure data; repeatedly (312) acquire the array of pressure data (140) from the array of spatially distributed pressure sensors; repeatedly (314) receive the subject position by inputting the array of pressure data into the subject position model; and repeatedly (316) provide the subject position.

Proposed concepts thus aim to provide schemes, solutions, concepts, designs, methods and systems pertaining to monitoring cardiac function of a subject. In particular, embodiments aim to provide a method for monitoring cardiac function of a subject by utilizing signal quality indicators (SQIs) to identify the best available ECG leads to use during an initialization/calibration phase of a trained algorithm for monitoring cardiac function (e.g., a machine-learning model trained to detect cardiac arrhythmia in a subject), as well as triggering a re-initialization/recalibration if the ECG lead signals are absent of transient noise (thus indicating a non-temporary change in the monitoring setup).

A personal care system and a method for controlling a lighting unit of a personal care device to provide contextual light-based functionality to a user of the personal care device. A light output of the lighting unit is adapted in accordance with which of a set of possible functional attachments a user has attached to the device.

A system (100) for determining a suitability of positions along a lumen (110) as end point locations for a stent, includes one or more processors (120) configured to: receive (S110), from an intraluminal imaging device (130), a temporal sequence of intraluminal images (140<1..n>) representing positions along the lumen (110), including at least a first intraluminal image (140<i⊂1..n>); and identify (S120), whether or not the first intraluminal image (140<i⊂1..n>) represents a suitable end point location for the stent.

A temperature supervisor (10) for an X-ray tube comprises a processor (12) configured to: receive tube operational data (16) during use of the X-ray tube in an X-ray imaging system, wherein the tube operational data comprises a voltage and/or current and/or power applied to the X-ray tube; process the received tube operational data to determine a present temperature of a component of the X-ray tube; receive mechanical load data (18) during use of the X-ray tube, wherein the mechanical load data relates to a present mechanical load on the component. In accordance with the invention, the mechanical load data is used to determine a present temperature limit for the component, wherein the present temperature limit is dynamic and dependent on the present mechanical load on the component. The determined present temperature of the component is compared with the determined present temperature limit of the component to output an alarm signal (21) for alerting a user and/or a safety control signal (22) for controlling operation of the X-ray tube, if the determined present temperature of the component is higher than the determined present temperature limit of the component. The temperature supervisor (10) provides safety in combination with high-performance utilization of the X-ray tube in that the dynamic temperature limit depends on the mechanical load on the X-ray tube component and therefore allows to take co-dependency between mechanical load and maximum thermal load into account.

A safety monitoring method for a gradient chain of a magnetic resonance examination system comprises:applying (S1) an input gradient waveform to the gradient chain at a set time period,determining (S2) a predicted output of the gradient chain which is induced by the input gradient waveform, on the basis of a predetermined frequency dependent impedance value of the gradient chain which has been predetermined by measuring transfer functions of the gradient chain for different frequencies before the set time period,measuring (S3) the actual output of the gradient chain which is induced by the input gradient waveform,comparing (S4) the actual output with the predicted output, andtriggering (SS) a corrective action if the comparing (S4) has indicated a difference beyond a predefined admissible difference.In this way, the safety monitoring method can reliably detect and mitigate electrical faults, such as broken conductors or loose contacts, to prevent sustained electrical arcing and thereby enhance the safety and integrity of the MR equipment, as well as protect patients and medical personnel.

A superconducting apparatus includes: an electrically superconductive coil having a first and second coil sections, which are separated and spaced apart from each other; a first support structure and a second support structure disposed to support the first and second coil sections. The first and second support structures are configured to maintain relative axial positions of the first and second coil sections to be fixed when the first and second coil sections are energized and de-energized, and to allow each of the first and second coil sections to expand radially during ramp energization; and a third support structure including a center ring or a mid-flexure stiffener, and a mid-flexure disposed between the first support structure and the second support structure. The center ring is adapted to provide a reactionary force to bending forces on the first and second coil sections and the mid-flexure structure is adapted to provide a substantially constant contact force with the first and second coil sections during expansion when the first and second coil sections are energized.

The present invention relates to attaching or mounting cables or other flexible linear structures to a medical equipment. In order to provide a facilitated fastening, a holding device (10) of a fastening system for fastening flexible longitudinal components is provided. The holding device comprises a band segment (12) and a connection head (14). The band segment is connected to the connection head and is configured to be wrapped around the flexible longitudinal component. The connection head is configured to be inserted into a matching recess provided by a fixation base to fasten the flexible longitudinal component to the support structure. Further, a fixation base (50) of the fastening system is provided that comprises at least one body structure (52) with at least one holding side (54) configured for an attachment of at least one holding device for fastening flexible longitudinal components to the fixation base, and with at least one connection interface (56) configured to mount the body structure to a support structure. The holding side comprises at least one recess (58) that is configured for an insertion of a matching connection head of the holding device.

A hair cutting appliance (10) comprises a housing portion (20), a cutting unit (24) and an attachment hair collector (14). The cutting unit (24) extends between two lateral ends (36) and has a stationary cutting element (26) and a movable cutting element (28) that together define a cutting edge (30). The hair collector (14) comprises a bucket portion (50) forming a hair container (94), at least one mounting feature (56, 58, 60, 62) formed at a side edge (52) or a bottom edge (54) of the bucket portion (50), and a collar (66) formed at the bucket portion (50) and defining a hair inlet (96) together with the cutting unit (24). The collar (66) has two side walls (68) and a connecting wall (70) extending between the two side walls (68). The connecting wall (70) is arranged opposite to the cutting edge (30) to define a hair entry mouth (100) therebetween. Each of the side walls (68) extends to one of the two lateral ends (36) of the cutting unit (24). The two lateral ends (36) are arranged between the side walls (68) in a neighboring relationship.

An adhesive patch (100) for providing optical coupling between body tissue (110) and a photoplethysmography device (120), is provided. The adhesive patch includes: a first surface (130) for coupling to the body tissue (110), the first surface comprising an adhesive material for providing temporary coupling to the body tissue (110). The adhesive patch also includes a second surface (140) for coupling to the photoplethysmography device (120), the second surface being arranged opposite the first surface. The adhesive patch also includes a transparent region (150). The transparent region (150) extends between the first surface (130) and the second surface (140) for providing the optical coupling between the body tissue (110) and the photoplethysmography device (120) when the first surface is coupled to the body tissue and the second surface is coupled to the photoplethysmography device.

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).

The present invention relates to an elongated device for medical interventional application, comprising a shell (12) comprising a longitudinal lumen (14). The shell (12) has a main section (20) and a distal terminal section (18). An optical fiber (16) is arranged in the lumen (14) and has a distal tip (17), the optical fiber (16) being configured for optical shape sensing. At least one of the shell (12) and the optical fiber (16) is longitudinally displaceable with respect to the other one of the shell (12) and the optical fiber (16). The device (10) comprises an actuating mechanism (50, 70) configured to displace the at least one of the shell (12) and the optical fiber (16) with respect to the other one of the shell (12) and the optical fiber (16) between an extended state, in which the distal tip (17) of the optical fiber (16) is within the distal terminal section (18) of the shell (12), and a retracted state, in which the distal tip (17) of the optical fiber (16) is in the main section (20) and out of the distal terminal section (18) of the shell (12). A system comprising the elongated device and a computer program are disclosed as well.

A method for non-invasive hemodynamic monitoring of patients. The method comprises using ultrasound to obtain a continuous blood velocity signal and continuous arterial diameter signal. The method further comprises extracting waveform features from these two signals which can be used to estimate hemodynamic parameters. A transfer function is used to convert values of a pre-defined set of waveform features into values of one or more hemodynamic parameters. To enhance accuracy, ultrasound data is acquired over a time window and an ensemble average blood velocity waveform is computed from a series of waveforms detectable in the blood velocity-time signal over said time window.

System (FCS) and related method for X-ray imaging. The system comprises an input interface (IN) through which is receivable detector data detectable by an X-ray detector (XD) of an X-ray imaging apparatus (IA) upon irradiation by X-radiation from a focal spot (FS) of the imaging apparatus (IA)'s X-ray source (XR). A binner (BN) bins the detector data into binned detector data. The said binning by binner (BN) is based on a manner in which a spatial extent of a projection on the detector (XD) of the focal spot (FS) is changeable along at least one spatial direction X,Z.

Proposed concepts aim to provide methods and systems pertaining to assessing the quality of an ECG signal. In particular, embodiments aim to provide a method for automatically determining a signal quality value of an ECG signal based on a fiducial point of the ECG signal that has been identified using a non-ECG cardiac signal.

System and related method for tomographic imaging. The system may comprise an input interface for receiving a scan request for a region of interest in a surrounding object. Control logic is operable to cause a tomographic imaging apparatus in an imaging session to acquire, along an acquisition axis (Z), multiple projection frames λ(z) of the surrounding object optionally with application of an image quality, IQ, booster operation, for ranges along the acquisition axis of the imaging apparatus. Whilst the imaging session is ongoing, based on a quality assessment in relation to the acquired projection frames, the control logic is to cause revisit one or more times, an earlier range and re-acquire there fresh projection fames λ'(z), with application of the image quality, IQ, booster operation, until the quality assessment is indicative of the quality being on target, or until a stopping condition is met.

A defibrillator (200) employing a shock delivery circuit (207) and a defibrillation controller (204) for advising an administration of a cardiopulmonary resuscitation procedure on a heart of a patient by defibrillator (200) in accordance with a rescue protocol including a cardiopulmonary resuscitation protocol and a shock protocol by defibrillator (200). During an ongoing execution of the cardiopulmonary resuscitation protocol by defibrillator (200), the defibrillation controller (200) determines a probable rescue outcome of the heart of the patient or an improbable rescue outcome of the heart of the patient from a shockable cardiac rhythm of an electrocardiogram of the heart of the patient. Based on a determination of the probable rescue outcome of the heart of the patient, the controller (204) pretimely terminates the ongoing execution of the cardiopulmonary resuscitation protocol by the defibrillator (200) and initiates a succeeding execution of the shock protocol by the defibrillator (200) for the shock delivery circuit (207) to deliver the defibrillating shock to the heart of the patient.

A monitor/defibrillator (10) employing a defibrillator controller (30) for, in a manual defibrillation mode, analyzing an unfiltered ECG data including cardiopulmonary resuscitation artifacts for detecting any presence of an unfiltered shockable cardiac rhythm within the unfiltered ECG data, and analyzing a filtered ECG data excluding cardiopulmonary resuscitation artifacts for detecting any presence of a filtered shockable cardiac rhythm within the filtered ECG data. The monitor/defibrillator (10) further employs a monitor controller (40) for, in the manual defibrillation mode, displaying an unfiltered ECG waveform and a filtered ECG waveform, and for delineating a color coding of a shock advised segment of the display of the filtered ECG waveform as an indication of a detection by the defibrillator controller (30) of a presence of the unfiltered shockable cardiac rhythm within the unfiltered ECG data and/or of a detection by the defibrillator controller (30) of a presence of the filtered shockable cardiac rhythm within the filtered ECG data.

The invention relates to a method of predicting an outcome of a subject having a melanoma based on the expression level of one or more genes. The invention further describes methods for determining an optimal treatment strategy based on gene expression levels. In addition the invention provides an immune checkpoint inhibitor for use in the treatment of melanoma, the use comprising determining the outcome base on gene expression levels and providing the immune checkpoint inhibitor when a favorable response to treatment is predicted.

The invention relates to a method of predicting an outcome of a subject having AML, the method comprising determining or receiving the result of a determination of six or more gene expression levels selected from a gene signature, and, optionally, providing the prediction to a medical caregiver or the subject. The invention further describes an apparatus and a computer program product configured to prediction outcome of a subject having AML. In addition the invention described the use of a kit in prediction outcome of a subject having AML, and describes a therapy for use in the treatment of AML, the use comprising predicting an outcome of a subject having AML and providing a therapy adapted to the outcome.

The present invention relates to the field of medical imaging and in particular to a system (10) for processing medical image data for generating an image comprising a simultaneous representation of an arterial, valvular and myocardial state, wherein the system is adapted to perform the steps of obtaining 3D medical image data (S 101); identifying arterial, valvular and myocardial regions in the 3D medical image data by means of segmentation (S102); mapping the 3D medical image data to a 2D representation using a coordinate transform based on a spherical coordinate system with an origin depending on the identified valvular region and/or the identified arterial region (S104); generating a combined 2D image (50) indicative of the arterial-, valvular and myocardial state based on the 2D representation as an output (S104). The present invention further relates to a corresponding method (100) and computer program.

Proposed concepts thus aim to provide schemes, solutions, concepts, designs, methods, and systems pertaining to aiding and/or improving image acquisition from an oral care device having an image capture device, the image of which may be influenced by the movement, positioning and/or applied pressure. In particular, embodiments aim to utilise data from one or more sensors to detect specific user behaviour during use of oral device. Such sensors may include pressure sensors, inertial measurement units (IMUs), or optical sensors. By analysing the data from such sensors, embodiments may, for example, effectively detect the occurrence of a predetermined user behaviour during use of oral device and, in turn, predict a preferred time to trigger image capture. In this way, improved images may be obtained.

Disclosed herein is an oral cleaning device (100) comprising: a drive shaft (106) for receiving a cleaning element (118), a reflective element (108) attached to the drive shaft, a mechanical drive (110) for mechanically operating the drive shaft, and an optical sensor (112, 112') configured for measuring a displacement (500, 600) of the drive shaft during operation of the oral cleaning device. The optical sensor comprises at least one light source (114) optically coupled to multiple light sensors (116) via the reflective element to provides optical sensor specific sensor data (138). The execution of the machine executable instructions (128) causes a computational (126) system to: measure (202) the optical sensor specific sensor data if the oral cleaning device is in a stationary state (400), measure (204) the temperature of the optical sensor, determine (206) a sensor specific thermal compensation calibration (140); and store (208) the sensor specific thermal compensation calibration.

Proposed concepts thus aim to provide schemes, solutions, concepts, designs, methods, and systems pertaining to assessing performance of an oral health care routine. In particular, embodiments propose to utilise data from one or more sensors to detect specific dental features (e.g. particularly interproximal (IP) spaces between teeth). Such sensors may include pressure sensors, inertial measurement units (IMUs), or optical sensors, each capable of identifying patterns created by dental features. By analysing the data from such sensors, embodiments may, for example, effectively count the number of teeth scanned and assess the completeness of the performance of an oral health care routine.

The present invention relates to providing communication during an operation or other type of medical intervention. In order to provide an improved communication tool with a facilitated setup, a protective communication system (10) for medical X-ray interventions comprises a radiation protection arrangement (12) with at least one X-ray radiation shielding (14) configured to protect at least a part of the user from X-ray radiation and a wearable holding structure (16) configured for a temporal attachment to a user during operation of X-ray radiating equipment. The protective communication system also comprises a communication arrangement (22) with a microphone (24), an acoustic output device (26) and an energy supply device (28) with at least one battery. The at least one X-ray radiation shielding is attached to the wearable holding structure. The energy supply device is supported by the radiation protection arrangement.

There is provided an intense pulsed light, IPL, apparatus. The IPL apparatus comprises an IPL light source, a power source, a switch, and a controller. The IPL light source is adapted to generate a pulse of light in response to receiving an electric current. The power source is adapted to provide the electric current to the IPL light source. The switch is electrically connected to the power source and the IPL light source. The controller is configured to provide a pulse modulation signal to the switch to open and close the switch. The switch is adapted to provide pulsed delivery of the electric current to the IPL light source in response to the pulse modulation signal. The controller is configured to control a frequency content of the pulse modulation signal to spread an electromagnetic emission caused by operation of the switch over multiple frequencies.

A device for hair removal or treatment of skin comprises a light source, a capacitor for storing charge for delivery to the light source for generating a flash of treatment light and a power source for charging the capacitor. A switching circuit controls the charging of the capacitor from the power source. It has a low side switch and a first unidirectional current flow component in series for carrying a charging current, and a second unidirectional current flow component second of opposite polarity for carrying a discharging current. In this way, the discharging current does not pass through the switch despite having a low side topology.

A rib surface may be determined based on initially determining a location of a rib shadow region. A first region of interest (ROI) may be automatically selected within an ultrasound image acquired from a lung ultrasound scan of a patient based, at least in part, on a depth of the image. The first ROI may be analyzed to determine at least one rib shadow region. The rib shadow region may be used to automatically select a second ROI. The second ROI may be analyzed to determine a location of a rib surface.