Abstract: User interface devices for manipulating a robotic surgical tool in a surgical robotic system are described. A user interface device can include a device body containing a tracking sensor to generate a spatial state signal in response to movement of the device body. The spatial state signal can be used to control a spatial motion of a surgical robotic system actuator. Several grip linkages can be pivotally coupled to the device body. A grip linkage displacement sensor may monitor movement of the grip linkages relative to the device body, and generate a grip signal in response to the movement. The grip signal can be used to control a grip motion of a robotic surgical tool mounted on the surgical robotic system actuator. Other embodiments are also described and claimed.

Abstract: A medical system is described in which, the system includes a control device having processing circuitry configured to: receive positional information relating to the position of at least a part of a surgical robot; determine a boundary around the surgical robot based on the positional information; and control the generation of a haptic sensation at the boundary.

Abstract: A holding element for a drape for a surgical microscope is provided. The holding element has a holding ring and a recess located in the holding ring for an interface of the surgical microscope. The holding ring has an asymmetrical contour delimiting the recess such that in a condition in which the holding element is fastened to the surgical microscope there is only one possible fastening position of the holding element on the interface of the surgical microscope that corresponds to the contour of the holding ring, in which position an orientation of the holding element relative to the surgical microscope is defined.

Abstract: A physiological information transmission method includes: by an information processing apparatus: acquiring sensor identification information of a physiological information detection sensor which is adapted to be attached to a living body, and living body identification information of the living body; and transmitting first association information associating the acquired sensor identification information and the acquired living body identification information, with each other; and by the physiological information detection sensor: receiving the first association information; determining whether or not the received first association information contains sensor identification information of the own sensor; and when the received first association information contains the sensor identification information of the own sensor, transmitting second association information associating the living body identification information in the received first association information, and physiological information which is detect

Abstract: The invention relates to an optical sensor system of a wearable device. The system comprises: at least two photo transmitters, a photoreceiver, receiving electronics, and a microcontroller. The microcontroller is configured to: set measurement conditions of the system; control taking at least one main sample from the received signal at one receiver channel; analyze the at least one main sample; control taking at least one test sample with at least one changed measurement condition at the same receiver channel; analyze the at least one test sample separately; compare at least one characteristic of the at least one test sample signal to the corresponding at least one characteristic of the at least one main sample signal; and change the measurement conditions to correspond to the measurement conditions used for the at least one test sample, if at least one characteristic of at least one test sample signal is better than corresponding at least one characteristic of the at least one main sample signal.

Abstract: There is provided a physiological detection device including a light source, a light detector, a processing unit and a display device. The light source emits light to illuminate a skin surface. The light detector receives the light from the skin surface to output detected signals. The processing unit confirms an attached state according to the detected signals and controls the display device to show an indication signal or a warning message when the attached state is confirmed not good.

Abstract: An image sensor assembly includes at least one upconverter configured to detect light in a NIR waveband that is received from an object to be imaged and generate, based on the detected light, upconverted light that is outside of the NIR waveband; and at least one image sensor configured to detect the upconverted light.

Abstract: The present invention relates to a device for the discrimination of biological tissues, such that it is capable of carrying out the discrimination of tissue under complicated operating conditions, for example due to the presence of contaminating elements given off by a cutting operation, due to the presence of moisture in the biological tissue, or due to the presence of a non-controlled atmosphere that interferes with the results of the readings. The invention allows building more complex devices, including cutting instruments, such that it is possible to carry out a surgical intervention in a safe manner by preventing cutting into tissues that are to be avoided during said cutting operation.

Abstract: Devices, systems, and methods perform operations that include the following: obtaining a reflectance-detection signal from a back-reflected-light detector, wherein the back-reflected-light detector is configured to detect back-reflected excitation light and generate the reflectance-detection signal based on the back-reflected excitation light; determining whether blood clearance has been achieved based on the reflectance-detection signal; and issuing a clearance indicator in response to determining that blood clearance has been achieved.

Abstract: Devices for localizing an intracerebral hematoma or blood mass in brain tissue. The devices include an elongate probe a color sensors and a light emitter on the distal end of the probe. The color sensors produce a signal corresponding to the color of light reflected into the color sensors. A display is provided to indicate the color detected.

Abstract: A dental and facial imaging device includes an adjustable arm, an image sensor mounted on a first end of the adjustable arm and an adjustable patient positioning arm mounted on a second end of the adjustable arm. A distance between the adjustable patient positioning arm and the image sensor is adjustable based on an adjustable length of the adjustable arm. A position indicator scale of the adjustable arm includes multiple notches for calibrating the distance between the adjustable patient positioning arm and the image sensor. The adjustable patient positioning arm includes a patient teeth supporting device and a patient chin rest which are positioned at a fixed coordinate reference relative to the image sensor to capture an image of a patient's teeth. The fixed coordinate reference corresponds to co-ordinates of multiple anatomical planes associated with the patient teeth supporting device and a patient chin rest relative to the image sensor.

Abstract: An oral cavity scanning device is provided in the invention. The oral cavity scanning device includes an image capturing unit, an IMU circuit and a processing unit. The image capturing unit obtains a first image and a second image. The IMU circuit obtains IMU information corresponding to the first image and the second image. The processing unit obtains a distance value between the first image and the second image. The processing unit uses a contour algorithm to obtain a first contour and a second contour. The processing unit obtains first sampling points according to the first contour and second sampling points according to the second contour. The processing unit uses a feature algorithm to find relative feature points between the first sampling points and the second sampling points. The processing unit uses a depth information algorithm to obtain the depth information of each feature point.

Abstract: An esophageal deflection device includes an elongate outer tube that has a natural curved deflection at a position that corresponds to a targeted esophagus region for deflection. The outer diameter of the outer tube is substantially matched to an inner diameter of the esophagus to closely contact the esophagus wall, or is at least half of the inner diameter, or is smaller and includes suction ports for drawing the esophagus wall inward. An insertion rod or tube includes a portion that is stiffer than the curved deflection, and slides into the elongate outer tube to straighten the tube and can serve to guide the deflection device into an esophagus. Subsequent withdrawal of the insertion tube or rod will allow the curved deflection to return to its natural shape and deflect the targeted region of the esophagus.

Abstract: Systems and methods of maternal and fetal monitoring include acquiring ultrasound physiological data with an ultrasound transducer. A plurality of electrodes acquire biopotential physiological data from the skin of a patient. A controller receives the ultrasound and biopotential physiological data and calculates fetal heart rate (fHR) values, maternal heart rate (mHR) values, and uterine activity (UA) values from the ultrasound and biopotential physiological data.

Abstract: A system for monitoring medical conditions including pressure ulcers, pressure-induced ischemia and related medical conditions comprises at least one sensor adapted to detect one or more patient characteristic including at least position, orientation, temperature, acceleration, moisture, resistance, stress, heart rate, respiration rate, and blood oxygenation, a host for processing the data received from the sensors together with historical patient data to develop an assessment of patient condition and suggested course of treatment, including either suspending or adjusting turn schedule based on various types of patient movement. Compliance with Head-of-Bed protocols can also be performed based on actual patient position instead of being inferred from bed elevation angle.

Abstract: Systems and Methods are disclosed for detecting acute coronary syndrome (ACS) events, arrythmias, heart rate abnormalities, medication problems such as non-compliance or ineffective amount or type of medication, and demand/supply related cardiac ischemia. The system may have both implanted and external components that communicate with a Physicians's programmer, and smart-devices for monitoring and alerting to detected medically relevant events or states. At least one processor provides event detection using statistical threshold criteria calculated upon at least a portion of a patient's data/distributions and set for a patient or based upon what a doctor determines as abnormal for a patient. Cardiovascular condition is tracked using histogram, trend, and summary information related to heart rate and/or cardiac features such as S-T segment measures of heartbeats.

Abstract: Described herein are methods, systems, and software for monitoring blood pressure. In some embodiments, a using a mobile device is used. The blood pressure monitoring system utilizes heart rate measurements at two separate locations on the body to calculate a differential pulse arrival time which is used to estimate blood pressure. The heart rate measurements can be taken simultaneously, or they can be taken sequentially while simultaneously taking ECG measurement. If taken sequentially, the heart rate measurements are aligned with the ECG to determine the differential. Accurate, inexpensive, and discreet blood pressure monitoring is thus provided.

Abstract: A system and method for a multi-function remote ambulatory cardiac monitoring system. The system includes a housing and a microprocessor disposed within the housing. The microprocessor controls the remote ambulatory cardiac monitoring system. The system also includes an electrode for sensing ECG signals and the electrode being in communication with the microprocessor. An integrated cellular module also is included in the system, and the cellular module is connected to the microprocessor and disposed within the housing. The integrated cellular module transmits ECG signals to a remote center.

Abstract: The disclosed embodiments provide a system that non-invasively analyzes blood flow in a sample of living tissue. During operation, the system obtains light from a temporally coherent source, and splits the obtained light between a reference path and a sample path. Next, the system multiply scatters light from the sample path by passing the light through the sample. The system then recombines light from the reference path and the multiply scattered light from the sample path. Next, the system uses a sensor array to detect an interference pattern resulting from the recombination. Finally, the system analyzes signals from the sensor array to determine a blood flow in the sample.

Abstract: A system for measurements and calculations of a microcirculatory high-velocity blood flow includes a data acquisition module configured to select and acquire microcirculatory blood vessel image data; a storage module configured to store the acquired microcirculatory blood vessel image data; a velocity measurement module configured to measure a traveling distance and a traveling time of red blood cell (RBC), white blood cell (WBC), or plasma particles in a blood vessel sample and calculate a ratio of the traveling distance to the traveling time to obtain a blood flow velocity; and a high-velocity blood flow index module configured to determine an index level for the microcirculatory high-velocity blood flow. Specifically, an initial threshold, i.e. 1000 ?m/s, for the microcirculatory high-velocity blood flow of sepsis is proposed, which facilitates early diagnosis on sepsis. The changing process of the high-velocity blood flow shows development of the early-stage, intermediate-stage and end-stage sepsis.

Abstract: A measuring device is provided for reducing the occurrence of damage to a sensor section. The sensor section includes a substrate, a pair of comb electrodes on a first principal surface, and a pair of back-side electrodes disposed on a second principal surface and corresponding to the pair of comb electrodes, respectively. The pair of comb electrodes includes a plurality of tooth sections and connection sections that connect the tooth sections to each other, respectively. The substrate includes via-hole conductors in positions corresponding to the tooth sections inside a region surrounded by the outer tooth sections on opposite ends in a direction in which the tooth sections in the pair of comb electrodes are aligned and the connection sections. The via-hole conductors connect the comb electrodes and the back-side electrodes.

Abstract: A method for determining a patient movement during a medical imaging measurement with an imaging apparatus, a computer-implemented method for providing trained functions, an imaging apparatus, and a computer program product are provided. The method for determining the patient movement provides that reference image data of a body region, such as a head region, of a patient is acquired and the patient movement is determined with the aid of the reference image data.

Abstract: The present disclosure provides a system for MRI. The system may obtain a plurality of auxiliary signals and a plurality of imaging signals collected by applying an MRI pulse sequence simultaneously to a plurality of slice locations of a subject. For each of at least one target slice location of the plurality of slice locations, the system may generate at least one target image of the target slice location based on the plurality of auxiliary signals and the plurality of imaging signals. During the application of the MRI pulse sequence, phase modulation may be applied to at least one of the plurality of slice locations so that the plurality of slice locations have different phases during the readout of at least one of the plurality of imaging signals.

Abstract: A device for the non-invasive sensing of the length of an implantable medical device includes animplantable medical device having first and second portions moveable relative to one another and a layer of resistive material disposed on one of the first and second portions. A contact is disposed on the other of the first and second portions, the contact being in sliding contact with the layer of resistive material upon relative movement between the first and second portions. A circuit is configured to measure the electrical resistance along a path including a variable length region of the layer of resistive material and the contact. The electrical resistance can then be converted into a length.

Abstract: A pulse sensor is capable of measuring a pulse rate of a wearer at a peripheral artery. In an embodiment, the pulse sensor includes a magnet supported to move responsive to an arterial pulse and a magnetometer configured to detect changes in a magnetic field produced by the magnet. The magnet may include a plurality of ferromagnetic particles disposed in or on a flexible substrate configured to be held adjacent to human skin subject to arterial palpation and a magnetic sensor configured to sense movement of the ferromagnetic particles. A system and method may measure hydration includes using a pulse sensor to measure pulse rate and modulation. The wearer is prompted when the pulse rate and pulse modulation indicate a response to dehydration of the wearer.

Abstract: A stimulation electrode assembly configured to be positioned relative to a patient for an operative procedure is disclosed. An evoked stimulation response may be sensed by a sensor near a portion of a subject. The evoked response may be sensed by an electrode and determined with a monitoring system. The evoked response may additionally and/or alternatively be sensed with a motion sensor. A position sensor may be provided to measure or determine whether the sensor has moved during a procedure.

Abstract: A method of monitoring depth of muscle relaxation of a patient includes applying a series of stimulations to a nerve of a patient and measuring muscle responses thereto. A maximal stimulus current, a supramaximal stimulus current, and/or a submaximal stimulus current are determined based on the muscle responses, wherein the maximal stimulus current is a current at which a maximal muscle response is produced from stimulating the nerve, the supramaximal stimulus current is greater than or equal to the maximal stimulus current, and the submaximal stimulus current is less than the maximal stimulus current. A first set of stimulations are applied to the nerve of the patient. Either the supramaximal stimulus current or the submaximal stimulus current are then selected for a subsequent series of stimulations based on the measured muscle responses to the first series of stimulations, and the subsequent series of stimulations are performed accordingly to monitor the patient's depth of muscle relation.

Abstract: Methods, systems, and devices are disclosed mouth-based biosensors and biofuel cells. In one aspect, an electrochemical sensor device for detecting analytes in saliva includes a substrate including an electrically insulative material, a first electrode disposed on the substrate at a first location, in which the first electrode includes a surface including a chemical agent (e.g., a catalyst or a reactant) corresponding to an analyte in saliva; and a second electrode disposed on the substrate at a second location separated from the first electrode by a spacing region, the first and second electrodes capable of sustaining a redox reaction involving the chemical agent and the analyte to produce an electrical signal, such that, when the device is present in the mouth of a user and electrically coupled to an electrical circuit, the device is operable to detect the analyte in the user's saliva.

Abstract: A blood glucose sensing system includes a sensor and a sensor electronics device. The sensor includes a plurality of electrodes. The sensor electronics device includes stabilization circuitry. The stabilization circuitry causes a first voltage to be applied to one of the electrodes for a first timeframe and causes a second voltage to be applied to one of the electrodes for a second timeframe. The stabilization circuitry repeats the application of the first voltage and the second voltage to continue the anodic—cathodic cycle. The sensor electronics device may include a power supply, a regulator, and a voltage application device, where the voltage application device receives a regulated voltage from the regulator, applies a first voltage to an electrode for the first timeframe, and applies a second voltage to an electrode for the second timeframe.

Abstract: Disclosed is a method, a headset and a system for determining heart rate data of a user.

Abstract: A bipolar stimulation probe including a first electrode, a second electrode, a control module, and switches. The control module is configured to stimulate nerve tissue of a patient by generating (i) a first output signal indicative of a first pulse to be output from the first electrode, and (ii) a second output signal indicative of a second pulse to be output from the second electrode. The first pulse and the second pulse are monophasic. The switches are configured to output from the bipolar stimulation probe (i) the first pulse on the first electrode based on the first output signal, and (ii) the second pulse on the second electrode based on the second output signal.

Abstract: An actuated magnetic field is generated at a plurality of distinct frequencies that at least partially cancels an outside magnetic field at the plurality of distinct frequencies, thereby yielding a total residual magnetic field. The total residual magnetic field is coarsely detected and a plurality of coarse error signals are respectively output. The total residual magnetic field is finely detected and a plurality of fine error signals are respectively output. The actuated magnetic field is controlled respectively at the plurality of distinct frequencies at least partially based on at least one of the plurality of coarse error signals, and finely controlled respectively at the plurality of distinct frequencies at least partially based on at least one of the plurality of fine error signals.

Abstract: A vital signs monitoring patch with integrated display (VSM) includes a user access layer for accessing a display section and a first printed silver-silver chloride (Ag—AgCl) electrode. A polyethylene foam layer including battery and plunger cut-outs. A printed circuit board assembly (PCBA) layer including vitals sign monitoring sensors and the battery and connected to the first and second printed Ag—AgCl electrodes. The polyethylene foam layer bonded to the user access layer and the PCBA layer. A sensor layer including reflection mode oximetry components and the second printed Ag—AgCl electrode. A hydrogel conductive adhesive to interact between a user skin and the second printed Ag—AgCl electrode. A medical tape layer bonded to the user skin and the sensor layer. A plunger connected to the PCBA layer and configured to power on the VSM, where user access of the first printed Ag—AgCl electrode completes a circuit with the second printed Ag—AgCl electrode.

Abstract: Disclosed are wearable devices, such as rings and bracelets, for monitoring and diagnosing cardiovascular conditions of a wearer, along with related systems, algorithms and methods. The disclosed wearable devices can continuously monitor the wearer's cardiovascular status by measuring heart rate, motion, blood oxygenation, and/or other properties of the wearer. Disclosed wearable devices can further comprise three EKG electrodes, including a first electrode on the inner surface adapted to detect a signal from the finger/wrist, a second electrode on the outer surface adapted to detect a cardiovascular signal from a finger of the opposing hand, and a third electrode on the outer surface of the frame adapted to detect a cardiovascular signal from a EKG lead location on the wearer's chest or leg. The wearable devices can be linked wirelessly to a mobile device that the person can interact with, and can further be linked to other distributed system components and healthcare providers.

Abstract: Example devices are disclosed herein that include a first elongated band coupled to a first housing to be located on a first side of a head of a subject and a second housing to be located near a second side of the head of the subject, the first elongated band comprising a first set of electrodes. The example device also includes a second elongated band coupled to the first housing and to the second housing, the second elongated band comprising a second set of electrodes. In addition, the device includes a third elongated band coupled to the first housing and to the second housing, the third elongated band comprising a third set of electrodes.

Abstract: Presented is an EEG adapter device for eyewear which can be worn invisibly and continuously by the user. The eyewear adapter includes a main body configured in the form of a sleeve so that an intended temple of the eyewear can slidably fit therein, a ring configured to fit over the eyewear's temple and operable by a user to move a first EEG electrode of the eyewear adapter toward or away from the main body to ensure the first EEG electrode is adjustably positioned at FT9/FT10 of the 10-10 system. The eyewear adapter further includes a second EEG electrode and positioned in the vicinity of a bony region behind the user's ears, a third EEG electrode positioned at T9/T10 position of the 10-10 system when in use, and an electronics unit configured to receive and process EEG-related data from the first, the second, and the third EEG electrodes.

Abstract: Disclosed is a portable electrocardiogram measuring device for calculating one or more electrocardiogram leads according to an embodiment of the present disclosure. The device may include: a main measurement unit comprising a first electrode, a second electrode, and one or more processors; and a sub measurement unit comprising a third electrode, in which the one or more processors measure an electrocardiogram, by receiving electrical signals from at least two electrodes in a measurable state and by calculating different types of electrocardiogram leads based on the number of electrodes in the measurable state and an attachment position of electrodes.

Abstract: A system for verifying a candidate pathologic episode of a patient is provided. The system includes an accelerometer configured to be implanted in the patient, the accelerometer configured to obtain accelerometer data along at least one axis. The system also includes a memory configured to store program instructions and one or more processors. When executing the program instructions, the one or more processors are configured to obtain a biological signal and identify a candidate pathologic episode based on the biological signal, analyze the accelerometer data to identify a physical action experienced by the patient, and verify the candidate pathologic episode based on the physical action.

Abstract: This specification discloses systems, methods, devices, and other techniques for determining the location of a seizure-generating region of the brain of a mammal.

Abstract: An intraoperative neural monitoring system for use during a surgical procedure on a subject includes a mechanical sensor and a processor. The mechanical sensor is configured to monitor a physical motion of a muscle of the subject and provide a mechanomyography (MMG) signal corresponding to the monitored physical motion. The processor is configured to receive the MMG signal, apply a wavelet transform to the MMG signal, and determine, from the output of the wavelet transform, if the monitored physical motion of the muscle is an artificially induced neuromuscular response that is attributable to an applied electrical stimulus. If the processor determines that the monitored physical motion of the muscle is an artificially induced neuromuscular response, it then provides an indication to a user.

Abstract: Methods and apparatus for detection of tissue damage in patients using a medical device for an extended period of time are disclosed.

Abstract: A method for detecting an artificially induced neuromuscular response in a subject includes receiving a mechanomyography (MMG) output signal from a mechanical sensor in contact with a muscle of the subject; applying one or more conditioning filters to the MMG output signal to generate a conditioned signal and analyzing the conditioned signal to identify one or more candidate waveforms. Each candidate waveform meets one or more analog or digital signal characteristic criteria associated with an artificially induced neuromuscular response. The method then compares a first candidate waveform to a second candidate waveform to determine a degree of similarity between the first and second candidate waveforms, and provides an alert to a user that indicates detection of the artificially induced neuromuscular response when the degree of similarity exceeds a predetermined threshold.

Abstract: Hearing aid system comprising at least one hearing aid is provided.

Abstract: Disclosed is a layered body comprising a polymer comprising repeating units having the general structure —CH2—CHR1—COOR2— as defined herein, to a process for producing such a layered body, to a layered body produced by that process and to the use of a layered body for electrophysical measurements.

Abstract: According to an embodiment, a wearable electronic device may include at least two electrodes for measuring a biometric signal, a living body contact detecting unit configured to apply a voltage to at least one electrode contacting a living body among the at least two electrodes and output information indicating an operation state for biometric signal measurement of the wearable electronic device based on a voltage output from the at least one electrode, and a processor configured to determine the operation state for biometric signal measurement of the wearable electronic device, based on the information received from the living body contact detecting unit. Various other embodiments may be provided.

Abstract: Detecting user contact with one or more electrodes of a physiological signal sensor can be used to ensure physiological signals measured by the physiological signal sensor meet waveform characteristics (e.g., of a clinically accurate physiological signal). In some examples, a mobile and/or wearable device can comprise sensing circuitry, stimulation circuitry, and processing circuitry. The stimulation circuit can drive one or more stimulation signals on one or more electrodes, the resulting signal(s) can be measured (e.g., by the sensing circuitry), and the processing circuitry can determine whether a user is in contact with the electrode(s). Additionally or alternatively, in some examples, mobile and/or wearable device can comprise saturation detection circuitry, and the processing circuitry can determine whether the sensing circuitry is saturated.

Abstract: A subcutaneously implantable device includes a housing, a first prong, and a second prong. A first electrode on the first prong is configured to contact the first lung. A second electrode on the device is configured to contact the first lung or a second lung. A third electrode on the second prong is configured to contact the heart or the tissue surrounding the heart. Sensing circuitry in the housing in electrical communication with the first electrode, the second electrode, and the third electrode is configured to measure an impedance in the first lung and/or the second lung, and/or a transthoracic impedance across the first lung and the second lung through the first electrode and the second electrode, and to measure an electrical signal from the heart through the third electrode.

Abstract: Circuits are provided for detecting an electrosurgical unit signal. An example circuit includes: a filter configured to process a floating ground signal associated with measuring a bio-potential signal of a patient, and a detector configured to output a sensing signal based at least in part on the floating grounding and the Earth ground for detecting an electrosurgical unit signal.

Abstract: A system for cardiac signal processing, preferably including any or all of: a data collection device, a set of computing and/or processing subsystems, a set of algorithms and/or models, and/or a set of output devices. A method for cardiac signal processing, preferably including processing a set of inputs to determine a set of metrics and determining a set of outputs based on the set of metrics and/or a set of supplementary metrics, and optionally including any or all of: receiving a set of inputs, determining a set of supplementary metrics associated with the set of metrics, and/or triggering the set of outputs.

Abstract: Systems and methods assist with managing a chronic disease of a user such as a chronic respiratory or cardiac disease. The system may include a physiological monitor adapted to be carried by the user and operative to sense a physiological parameter of the user by generating one or more signals. The system may include a management device operatively coupled with the physiological monitor to receive the signal(s) and derive the physiological parameter(s) of the user. The management device, such as with an included processor, may be configured to analyze the physiological and/or environmental parameters to detect a trigger pattern of the parameters, the trigger pattern indicative of a probable event of exacerbation of the chronic respiratory and/or cardiac condition. The management device may then generate automated responses based on the trigger pattern such as by providing instructions for activities and/or treatment for the chronic condition.