236results about "Proximity sensors" patented technology

A method of assessing a feature on a patient's skin surface includes capturing (i) an image of the patient's skin surface with a camera of a portable capture device and (ii) range information with an auxiliary range measurement device that is attached to the portable capture device. Based on the range information, a single range value can be determined between the capture device and the patient's skin surface. In some embodiments, a scale can be associated with the image based on the single range value.

A method of indicating movement of a receiving electrode of a distal end assembly with respect to a tissue cavity wall, the method including using a distal end assembly including a plurality of electrodes arranged on the distal end assembly configuration, transmitting an AC signal between one or more reference electrode(s) and a plurality of receiving electrodes attached to a plurality of splines, calculating a plurality of impedance values over time based on a received signal at each one of the receiving electrodes, calculating a gradient over time of the impedance values at the receiving electrodes, dynamically rendering a virtual representation of the distal end assembly on a display, including virtual representations of the plurality of receiving electrodes, and dynamically adjusting a graphical feature of at least one of the receiving electrodes displayed based on the calculated gradient over time of the impedance. Related apparatus and methods are also described.

The invention provides a test circuit, a test method and electronic equipment. The test circuit is small in size, low in cost, beneficial to miniaturization design of the electronic equipment and beneficial to cost reduction of the electronic equipment. The test circuit comprises a light emitting assembly used for emitting at least two optical signals, and the at least two optical signals comprise a first optical signal and a second optical signal; the first optical signal and the second optical signal are different in wavelength; and the proximity light sensor is used for collecting a first light reference signal and a second light reference signal which are reflected and / or scattered by the human body, and the first light reference signal and the second light reference signal are used for calculating the characteristic value of the human body.

The embodiment of the invention discloses an ovarian health assessment method and related equipment, the method is applied to first electronic equipment, the first electronic equipment can display a first interface, and the first interface comprises a first control; receiving a first operation acting on the first control; acquiring first data, wherein the first data comprises heart rate variability data of the user in a preset time period; according to the physical sign data of the user, determining an ovary health assessment result; the user sign data comprises first data; the ovarian health assessment result is used for indicating the ovarian health condition of the user in a preset time period; after the preset time period, a second interface is displayed, and the display content of the second interface comprises the ovarian health assessment result. By adopting the method, the ovarian function abnormity of the user can be found in time.

Described here are systems, devices, and methods useful for minimally invasive surgical procedures performed by a single operator. The surgical systems may include a user interface, a display, one or more support arms each comprising an external magnet, and one or more intracavity devices. The intracavity devices may be configured to be attracted to respective external magnets. The user interface may be configured to allow the operator to control the location and orientation of the intracavity devices by control of the position of the support arms and magnetic field of the external magnet.

A system for monitoring a subject in a physical space, the system including: a plurality of sensors for detecting movements of the subject in the physical space; a data processing system configured to: receive from the sensors signals representing detected movements of the subject in the physical space, process the received signals to determine corresponding movements of the subject in the physical space, and select an action from a plurality of predefined actions, based on the detected movement; and one or more output devices for outputting a prompt based on the selected predefined action for the subject.

A computer-implemented method for determining a refractive error of an eye of a person includes the following steps: a) generating input data containing a distance between the eye of the person and a visual stimulus displayed to the eye of the person and b) generating outcome data containing a refractive error of the eye of the person determined by evaluating the input data. A position of the entrance pupil of the eye of the person is considered when the refractive error of the eye of the person is determined. A computer program, a field device, a remote device, a determining device, a method for producing a geometrical model of a spectacle lens, and a method for producing a spectacle lens are also disclosed. The present disclosure provides a fast, easy, versatile, reliable, and accurate approach for determining a refractive error of an eye of a person.

An intraoral apparatus for evaluating oral function of a patient. The intraoral apparatus comprises a dental-engagement element configured to engage with one or more teeth of the patient. The intraoral apparatus additionally comprises an oral media configured to be positioned adjacent to a palate of the patient. The intraoral apparatus further comprises a plurality of sensors associated with the oral media.

A method for adjusting the operation of a surgical instrument using machine learning in a surgical suite is disclosed.

A method and device for analysis of sampled physiological parameters according to at least a second-order process over time, e.g., second-order differential equation or model, for use in therapeutic, diagnostic, or predictive health applications. The system may generate an alert regarding a present or predicted health abnormality. The biometric device may be implantable, wearable, contact or non-contact, and may communicate through a network, to send an alert. The system may further comprise an actuator or therapeutic device to perform an action based on the at least second-order process.

Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.

Surgical cauterization devices, systems, and methods of use may apply bipolar and / or sesquipole cauterization to target tissue via instruments with other primary surgical functions. The surgical cautery devices and systems may include one or more sensors configured to detect when a surgical cautery device is in use. The surgical cautery devices and systems may also include one or more sensors configured to detect a position of the surgical cautery device or instrument. The surgical cautery devices and systems may also include a processor and software capable of varying the current based on characteristics of the system. The devices and systems may also include adapters capable of allowing a plurality of surgical instruments to be inserted into or wirelessly connected to the system.

To provide systems and methods for activating analyte sensor electronics.SOLUTION: Various analyte sensor systems for controlling activation of analyte sensor electronic circuitry and monitoring an analyte in a host are provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller in response to a wake-up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronic circuitry utilizing a magnetic sensor are further provided. One or more display devices configured to display one or more analyte concentration values are also provided.SELECTED DRAWING: Figure 1

Disclosed is an operating method of a medical image processing device using augmented reality (AR) including obtaining, from a first external device, a first image including blood vessel information and bone tissue information according to tomography, obtaining, from a second external device, a second image including a facial structure and a facial curve according to 3D imaging, extracting a facial feature point from facial unique information including the blood vessel information, the bone tissue information, the facial structure, and the facial curve, registering the first image to the second image based on the facial feature point, generating a composite image by performing 3D-modeling on the first image registered with the second image, projecting the composite image onto a face of a patient, and displaying, on a projected image, a first layer corresponding to the blood vessel information and a second layer including the bone tissue information.

Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.

The invention discloses a measurement element (100, 500, 600, 700) for an oral care device. The measurement element comprises at least one elongate ridge element (102) for engaging an interproximal region or adjacent teeth within an oral cavity, and at least a first sensing region (104) for acquiring data from gingival tissue within the oral cavity. The invention also discloses an oral care device (10), an attachment (1000) for an oral care device.

A mobile device and a method for testing an individual's vision are provided, the mobile device including a screen for displaying at least one test pattern, such as a smartphone or a tablet computer. A test of the individual's vision is performed using the test pattern displayed on the screen of the mobile device, in particular for testing visual acuity, contrast sensitivity and / or visual disturbances. Further, a parameter influencing the test result is evaluated before and / or during performing the test. The parameter includes at least one of the distance between the eye of the individual and the screen; the brightness at which the test pattern is displayed; and the ambient luminosity.

A system for monitoring health of a patient includes a touchless sensing device disposed within a sensing range of the patient. The touchless sensing device includes at least one touchless sensor configured to receive raw data relating to the health status of the patient. The system also includes at least one processor configured to receive the raw data from the touchless sensor or sensors, compute physiological data from the raw data, compute health metrics from the physiological data, and display the health metrics or the physiological data on a display device in communication with the at least one processor.

The present invention relates to a power assistance device for assisting biomechanical function of a subject, wherein the power assistance device comprises: an actuation system adapted to be positioned at a first predetermined position on the subject, wherein the actuation system comprises a first actuator; wherein the power assistance device further comprises: a first securing point adapted to be positioned at a second predetermined position on the subject; and an elongate member, wherein a first end of the elongate member is coupled to the actuation system and a second end of the elongate member is coupled to the first securing point, and wherein, in use, actuation of the first actuator adjusts the tension of the elongate member to give biomechanical movement in the subject.

The present disclosure relates to a proximity sensor circuit and related sensing methods. Various embodiments include devices and methods using a proximity sensor. Example devices include: a transducer circuit having a sensor circuit that includes electrodes; an electrical signal sensing circuit; a substrate that supports and at least partially encloses the transducer circuit and the electrical signal sensing circuit; and a communication circuit. The transducer circuit converts a change in capacitance, which is carried by the electrodes and responsive to pressure and / or electric field modulation caused by a hemodynamic or pulse wave event, into an electrical signal. The electrical signal sensing circuit senses an event in response to the electrical signal from the transducer circuit. The substrate may mate with a portion of a user and position the sensor circuit close enough to the user's skin to inductively sense a hemodynamic or pulse wave event. The communication circuit responds to the electrical signal sensing circuit by transmitting data indicative of hemodynamic monitoring.

The method for operating a medical image processing device using augmented reality according to the present disclosure includes the steps of: acquiring a first image including vascular information and bone tissue information obtained by tomography from a first external device; acquiring a second image including facial structures and facial curvature obtained by 3D photography from a second external device; extracting facial feature points from facial specific information including the vascular information, the bone tissue information, the facial structures, and the facial curvature; aligning the first image to the second image based on the facial feature points; generating a composite image by 3D modeling the first image aligned with the second image; projecting the composite image onto a patient's face; and displaying a first layer corresponding to the vascular information and a second layer including the bone tissue information on the projected image.

A cardiovascular monitoring apparatus, the apparatus comprising: a photoplethysmography (PPG) sensor (510), having at least one light emitting element (310) and at least one light sensing element (320), for obtaining at least one PPG signal from a patient; and a controller comprising: a determination module (550) for determining whether a signal obtained by a particular light sensing element is suitable for deriving information relevant to a patient's cardiovascular system; and a processing module (540) for processing a signal that is determined to be suitable for deriving information relevant to the patient's cardiovascular system to derive information relevant to the patient's cardiovascular system.

An ingestible in-vivo gastrointestinal device constituted of: a power source; a processor and a memory; and a sensor, the processor, at least partially responsive to the sensor, to determine a location of the in-vivo gastrointestinal device as being in one of an esophagus, a stomach, a small intestine and a large intestine of a subject.

Systems, methods and apparatus are disclosed for properly using and locating object retention wands via the use of at least one sensor located on or in the wand body for determining when the wand is capable of properly scanning a target area. In one form, a proximity sensor is used. In another form a motion sensor is used. In still other forms, both a proximity sensor and motion sensor are used. In some forms, the wand system further includes an indicator for indicating whether the wand is within proper read range, speed and / or orientation of a target area so as to confirm proper use of the wand to locate retained objects before concluding a procedure. In other forms one or more of a user interface, scanner and network interface may also be used with the system. Further systems, methods and apparatus are also disclosed herein.

The invention relates to a medical system (15) comprising a medical instrument (16), preferably an electromedical instrument (17) or electrosurgical instrument (18). At least one magnetic field sensor (30), which is preferably in the form of a quantum magnetometer or an NVCD sensor, is provided on a tool part (19) of the instrument. Each magnetic field sensor (30) is designed to detect a magnetic field (38) emanating from the electromedical instrument (17) and / or from a biological tissue (20) and to provide a corresponding sensor signal (S), preferably an optical sensor signal (Sopt), which can be evaluated by means of an evaluation device (35). The evaluation device (35) determines at least one operating parameter (EP). The at least one operating parameter (EP) describes the biological tissue (20) and / or the effect generated by the medical instrument (16) or the tool part (19) on the biological tissue (20). For example, an operating parameter (EP) can describe the tissue type, a temporal and / or local change in the tissue, or the current temperature (T) or a local and / or temporal change in the temperature (T) of the biological tissue (20). Such operating parameters (EP) can be monitored very dynamically by measuring the magnetic field.

The position and orientation of an ultrasound probe is tracked in three dimensions to provide highly-accurate three-dimensional bone surface images that can be used for anatomical assessment and / or procedure guidance. The position and orientation of a therapy applicator can be tracked in three dimensions to provide feedback to align the projected path of the therapy applicator with a desired path for the therapy applicator or to provide feedback to align the potential therapy field of a therapy applicator with a target anatomical site. The three-dimensional bone surface images can be fit to a three-dimensional model of the anatomical site to provide or display additional information to the user to improve the accuracy of the anatomical assessment and / or procedure guidance.

Apparatus and methods related to tibial shock absorption data collection and processing include a sensory unit for collecting shock absorption data representing shock absorption by hard tissues of the user, data processing and storage devices, housing units and attachment means for attaching sensors to body parts such as the tibia. The collected and processed data is used for coaching the user to optimise muscles usage for shock optimisation for purposes such as injury minimisation, bone density increase and weight loss.

Techniques are described for wirelessly charging a wearable or implantable medical device. In some embodiments, the techniques may involve determining a relative proximity of a medical device to a body of a patient. The techniques may further involve determining a power-transfer efficiency based on the relative proximity of the medical device to the body of the patient. The techniques may further involve tuning a receiving antenna of the medical device based on the determined power-transfer efficiency.

The invention relates to the technical field of radar detection, and discloses a radar sign parameter detection method and device based on local calculation, and the method comprises the steps: carrying out the compression and distillation operation of a basic calculation model through a cloud, obtaining a to-be-deployed model corresponding to the basic calculation model, and deploying the to-be-deployed model to a device end corresponding to a radar, obtaining a post-deployment model corresponding to the equipment end; and receiving a target parameter of the target object collected by the radar, and judging whether the target parameter meets a sign parameter calculation condition, and if so, calculating a target sign parameter of the target object through the deployed model and the target parameter. Visibly, the target physical sign parameters of the target object can be calculated through the post-deployment model deployed at the equipment end and the target parameters acquired by the radar, so that when the radar detects the physical sign parameters, the off-line use of the equipment end is realized, the real-time performance of data transmission and the convenience of data detection are further improved, and the user experience is improved. Therefore, the detection efficiency of the radar on the physical sign parameters is improved.

Various analyte sensor systems for controlling activation of analyte sensor electronics circuitry are provided. Related methods for controlling analyte sensor electronics circuitry are also provided. Various analyte sensor systems for monitoring an analyte in a host are also provided. Various circuits for controlling activation of an analyte sensor system are also provided. Analyte sensor systems utilizing a state machine having a plurality of states for collecting a plurality of digital counts and waking a controller responsive to a wake up signal are also provided. Related methods for such analyte sensor systems are also provided. Systems for controlling activation of analyte sensor electronics circuitry utilizing a magnetic sensor are further provided. One or more display device configured to display one or more analyte concentration values are also provided.