Philips Patente

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.

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.

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 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 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.

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 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.

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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.

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.

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.

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.

A body sensing unit having a pad part which adheres to the skin and a lead or tail part which electrically connects to the pad part. The lead or tail part is formed by a flat substrate, for example carrying printed electronics, and which has a novel shape which forms a coil or loop, or part thereof, around at least part of the pad part. The novel shape changes the distribution of stress if the tail is displaced, e.g. pulled or tugged, during use, lessening the chance that the pad part becomes detached from the skin.

A casing for an electronic device. The casing comprises a housing, a button, and a pair of button supports. The housing comprises a tubular portion having an opening for receiving the button, and a pair of engagement elements provided on an inner wall of the tubular portion, each configured to engage with a respective button support to secure the button within the opening. Each button support extends from a respective side of the button along the inner wall of the tubular portion in a circumferential direction, and is configured to resiliently deform to enable movement of the button in a direction perpendicular to the plane in which the button lies.

A patient accessibility adaptation system comprising an impairment determiner for determining impairment data of an impairment of a patient scheduled to undergo a medical procedure; an accessibility determiner for determining accessibility needs for the patient based on the determined presence and degree of the patient's impairment; and a system adapter for adapting a system associated with the medical procedure to address the determined accessibility needs for the patient.

Disclosed herein is a method that comprises: receiving (200) three-dimensional tomographic liver images (122), calculating (202) a first feature vector (128) by inputting the individual images (124) into a three-dimensional feature extractor (126), generating (204) at least one two-dimensional projection (130, 132, 134), calculating (206) at least one second feature vector (138, 140, 142) by inputting the projections into a two-dimensional feature extractor, creating (208) a combined feature vector (144); and receiving (210) an arterial phase image score (148), a portal venous phase image score (150), and a delay phase image score (152) by inputting the combined feature vector into a classifier module (146). The method further comprises: providing (212) an arterial phase image (156) using the arterial phase image score, providing (214) a portal venous phase image (158) using the portal phase image score, and providing (216) a delay phase image (160) using the delay phase image score.

It is presented a guard tooth (21) for a guard blade (20) of a hair cutting device (100), the guard tooth (21) extending in a lateral direction (L) from the guard blade (20) and comprising: a first guard tooth portion (25) connectable to a base portion (27) of the guard blade (20), and a second guard tooth portion (29) extending from the first guard tooth portion (25) in the lateral direction (L); wherein, in a view perpendicular to the lateral direction (L), the first guard tooth portion (25) comprises a first guard tooth portion section (31) having an essentially non-rectangular cross-sectional shape (35); and the second guard tooth portion (29) comprises a second guard tooth portion section (33) having an essentially rectangular cross-sectional shape (37).

It is presented a guard tooth (21) for a guard blade (20) of a hair cutting device (100), the guard tooth (21) extending in a lateral direction (L) from the guard blade (20) and comprising: a first guard tooth portion (25) connectable to a guard blade base portion (27), and a second guard tooth portion (29) extending from the first guard tooth portion (25) in the lateral direction (L), wherein the first guard tooth portion (25) comprises a cutter blade running surface (23) adapted to face a cutter blade (10) arrangeable above the guard blade (20) for at least partially contacting the cutter blade running surface (23) with a cutter blade contact surface (13), wherein the second guard tooth portion (29) comprises an elevated portion (63) extending in the lateral direction (L) from the cutter blade running surface (23) and in a height direction (H) perpendicular to the lateral direction (L), wherein a first angle (37) between a first tangent line (31) of a cutter blade top surface (33) opposite to the cutter blade contact surface (13), representing the slope of the cutter blade top surface (33), and a second tangent line (35) between an elevated portion top surface (39) and the cutter blade top surface (33) is smaller than 5°.

Provided is a teat (10), and a method for manufacturing the teat (10). The teat (10) includes a teat wall (12). The teat wall (12) has an interior surface (14) and an exterior surface (16). The interior surface (14) at least partly delimits a teat volume (24) in which liquid is receivable. A recess (26) is defined in the teat wall (12). The recess (26) is at least partly delimited by a concavely curving surface (27). An air inlet opening (20) is punched through the teat wall (12) by the teat wall (12) and an end of an implement (29) being forced together, while the implement (29) occupies the recess so that the end of the implement (29) contacts the concavely curving surface (27). Further provided is a computer program for implementing at least part of the method, and a processor configured to execute the computer program. Additionally provided is a teat fabrication apparatus for manufacturing the teat (10).

It is presented an edge guard tooth (22) for a guard blade (20) of a hair cutting device (100), the edge guard tooth (22) extending in a lateral direction (L) from the guard blade (20), wherein the edge guard tooth (22) is arrangeable at one or both outer ends of the guard blade (20) in a width direction (W) perpendicular to the lateral direction (L), wherein the edge guard tooth (22) comprises a first surface (25) and a second surface (27) each extending essentially in the lateral direction (L) and in the width direction (W), wherein the second surface (27) is arranged between the first surface (25) and an outer portion (29) of the edge guard tooth (22), wherein the first surface (25) is arranged at a first height (H1) perpendicular to the lateral direction (L) and the width direction (W), and wherein the second surface (27) is arranged at a second height (H2) which is lower than the first height (H1).

Disclosed herein is a method of determining a fat fraction value (130). The method comprises receiving (200) a water Dixon image (122) and a fat Dixon image (124) descriptive of a region of a subject (318). The method further comprises calculating (202) a modified fat fraction map (126) using the water Dixon image and the fat Dixon image, wherein the modified fat fraction map is limited to fat fraction values greater than or equal to zero and preferably less than or equal to one. The method further comprises displaying (204) the modified fat fraction map on a user interface (108) and receiving (206) a selection of a measurement ROI (128) descriptive of an area within the region of the subject from the user interface. The method further comprises calculating (208) the fat fraction value for the measurement ROI using the water Dixon image and the fat Dixon image and providing (210) the fat fraction value. Systems are disclosed, configured to perform the method.

The present disclosure provides concepts for analyzing electrocardiogram (ECG) data of a subject. Specifically, a traditional prediction unit is configured to process the ECG data with a rules-based ECG interpretation model to generate first diagnostic labels indicating presence or absence of cardiac conditions. A machine learning prediction unit processes the ECG data with a machine learning-based ECG interpretation model to generate second diagnostic labels indicating presence or absence of cardiac conditions. A mapping unit determines a feature mapping describing first and second diagnostic labels associated with similar cardiac conditions. A combination unit analyzes the first diagnostic labels based on the feature mapping and the second diagnostic labels to generate output diagnostic labels indicating presence or absence of cardiac conditions of the subject. The provided concepts therefore leverage the benefits of both the rules-based ECG interpretation model and the machine learning-based ECG interpretation model to provide output diagnostic labels. Specifically, the granularity of the output of the rules-based ECG interpretation model may be maintained whilst ensuring accuracy via the output of the machine learning-based ECG interpretation model.

A placental imaging system comprises a hand held ultrasound imager for scanning over the lower abdomen of a patient and configured to generate image data. An AI algorithm is used to identify the location and shape of the placenta and cervix within the image data and determine the placenta to internal OS distance. It is thereby determined if the placenta has a positional abnormality, such as if it is low lying or not. A recommendation system receives a gestational age of the patient and the positional abnormality information to recommend a patient action.

A power receiver (105) comprises a receiver coil (107) extracting power from an electromagnetic power transfer signal generated by a power transmitter (101). A variable load (511) applies modulation loading to the receiver coil (107). A data transmitter (509) transmits data symbols to the power transmitter (101) by controlling the variable load (511) to load modulate the power transfer signal during communication time intervals that are interspersed by non-communication time intervals during which no data is transmitted to the power transmitter (101). The data transmitter (509) varies the variable load (511) to apply a modulation loading pattern for each data symbol where the modulation loading pattern for each possible data symbol value is different. The data transmitter controls the variable load (511) to apply a repeating loading variation pattern during non-communication time intervals. The repeating loading variation pattern has a power spectral density differing less than 10dB from that of the modulation loading patterns and thus the spectral shapes are closely matching.

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