Abstract: The present disclosure relates to a wearable device that includes a housing, battery terminal connector, conductive traces, and an insulator for recording signals. The device may include a housing enclosing a circuit board and a battery. The device may include two conductive traces electrically connected to terminals of the battery and an insulator separating the conductive traces. The battery terminal connector can present both the conductive traces to the outer surface for coupling to a circuit board. The device can assess the physiological signals to infer a likelihood of arrhythmia of a user.

Abstract: A current sensor may take measurements of electrical currents that flow between two limbs of a patient through at least a portion of the patient's torso. The current measurements may be taken during a single diagnostic session while the patient holds a ground electrode in a hand of one limb and a probe electrode is sequentially placed at different locations on the distal portions of other limbs. Each of the measurement locations may be an acupuncture point. An electrical current state for the diagnostic session may be calculated. This state may consist of current ranges for one or more electrical currents that are measured during the session. A lookup table may be employed to determine one or more medical conditions that are indicated by the current state. Alternatively, a trained machine learning model may predict, based on the measured currents, one or more medical conditions.

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: A pressure adaptive sensor system has at least one transmitting antenna and at least one receiving antenna adapted to receive a signal from at least one transmitting antenna. A measurement of received signals is used in order to determine pressure of an operable portion of the electrode on an object. The determined pressure is used by a pressure actuator to alter a contact profile when an electrode is in contact with skin or a surface.

Abstract: A prosthesis system with a liner and a prosthesis socket, wherein the liner includes a closed distal end, an open proximal end, a lateral surface, which extends from the distal end to the proximal end, and a first connection device. The prosthesis socket includes a second connection device, which is configured to interact with the first connection device. The first connection device is arranged on the lateral surface, and the first connection device and the second connection device are configured to establish a mechanical locking and an electrical contact between the liner and the prosthesis socket.

Abstract: A conductive human interface includes an insulating body of elastomeric material and a compliant electrode embedded in the insulating body. The electrode is formed from an electrically conductive gel including a polymeric material and conductive particles dispersed in the polymeric material. The conductive particles can be included in the gel in an amount that is not more than about 10% by weight.

Abstract: A novel sweat absorbing textile electrode comprises a textile electrode body and an electrical coupling member, the textile electrode body comprising a conductive foam and a conductive fabric wrapped around the conductive foam, the electrical coupling member being fixed on the conductive fabric; wherein a through hole is provided on the conductive fabric on the side in contact with the human skin. The textile electrode has a light weight, small size and soft texture. It fits on the skin, has good air permeability, and is capable to absorb sweat, which can prevent short circuit between electrodes caused by sweat and be used for collecting bioelectrical signal when sweat comes out from human body. It may also be applied in bioelectrical signal monitoring in high temperature, high humidity environment, and during daily exercise.

Abstract: A wrist-worn device and a blood pressure measuring method based on the same are disclosed. The wrist-worn device comprises a main body and a wrist band connected to the main body, and further comprises: a photoelectric tube located on a back surface of the main body and configured to collect pulse data of a wearer; electrodes configured to collect electrocardiograph data of the wearer, an insulator located between two of the electrodes, for preventing both from a direct electrical connection; a circuit board electrically connecting the photoelectric tube and the electrodes, the circuit board calculating a blood pressure value based on the collected pulse data and the electrocardiograph data.

Abstract: A stretchable, conductive tubule is capable of operating as an electrical interconnect and/or a sensor. The stretchable, conductive tubule has a first end and a second end, and includes a stretchable conductor housed within the stretchable tubule. A first electrode is electrically coupled to the stretchable conductor at the first end of the stretchable tubule, and a second electrode is electrically coupled to the stretchable conductor at the second end of the stretchable tubule.

Abstract: A living body-attachable electrode includes a substrate that has a first main surface and a second main surface and is made of a material having stretchability, a first electrode pair that is formed on/in the first main surface and includes two opposite electrodes, a second electrode pair that is formed on/in the first main surface and includes two opposite electrodes sandwiching the first electrode pair, and a plurality of gel electrodes that are formed on the second main surface and are in a one-to-one correspondence with the electrodes in the first and second electrode pairs. Each of the electrodes in the first and second electrode pairs and corresponding one of the gel electrodes are electrically connected to each other via a plurality of via conductors penetrating through the substrate.

Abstract: Examples are disclosed that relate to haptic actuators. One disclosed example provides a haptic actuator including an inductive coil, a layer of a compressible material positioned adjacent to the inductive coil and transverse to an axis of the inductive coil, and a magnet positioned on the layer of compressible material such that the magnet is movable relative to the inductive coil via compression of the layer of the compressible material upon application of a control signal to the inductive coil. Another example provides an article including a textile formed at least partially from a yarn including a core and a conductor wound around the core to form an inductive coil, and a magnetic object integrated with the textile at a position transverse to a direction of a magnetic field formed by the inductive coil.

Abstract: Devices, systems, and methods for monitoring health parameters of an individual, including circumferential changes to a portion of the individual's body, are provided herein. A monitoring device includes: a stretchable component configured to fit securely around a body portion, and a sensor module coupled thereto. The sensor module is configured to obtain and transmit a circumference measurement of the body portion. The sensor module may be further configured to obtain and transmit measurements of one or more additional parameters. A related monitoring system includes the described monitoring device and a mobile computing device. The mobile computing device is configured, at least in part, to: process the body circumference measurements to identify and analyze any change in circumference of the body portion, and generate a relevant alert output. Methods performed by the various devices and systems are also provided.

Abstract: An electrode with varying impedances includes a plurality of layers that are compressed together with varying compressions forces. A first compression force is used at the perimeter of the electrode and a second compression force is used towards the center of the electrode. The first compression force at the perimeter is lesser than the second compression force towards the center and creates a greater measured impedance at the perimeter of the electrode than at the center of the electrode.

Abstract: Methods and devices for removing parasitic effects from body impedance measurements. Such parasitic effects can include parasitic coupling(s)/impedance(s) and/or parasitic coupling between the impedance measurement device and the body tissue being measured. In one approach, a drive current is controlled so as to control the voltage of a sense electrode to reduce a parasitic current. In another approach, different known capacitances are added to enable calculation of unknown electrode impedances. In another approach, a positive feedback loop is used to reduce error associated with a parasitic current of a voltage sensor used to measure resulting subject voltage. In another approach, sequential application of drive voltage to each electrode is used and resulting currents through all electrodes are measured and used to calculate body impedance.

Abstract: Systems and methods for controlling access to wireless gaming devices and networks are provided. For example, access is controlled through one or more levels of security checks, such as a hard security check instead of or in addition to a soft security check. In a hard security check, the user employs an apparatus such as a card or other physical token that can be used to access the wireless gaming device. Such an apparatus may communicate information that identifies the user to the device or may simply be used to produce a signal without which the device is locked to users. The apparatus may further emit a time varying signal to enhance security.

Abstract: A method of measuring bioelectric signals of a patient having an axis extending from the patient's head to the patient's feet includes attaching a patch to the patient's skin. The patch may include a first electrode and a second electrode spaced apart along a longitudinal axis of the patch. The patch may be attached such that the longitudinal axis of the patch is generally aligned with the axis of the patient. The method may also include attaching a third electrode to the patient's skin, and measuring bioelectric signals of the patient using the first electrode, the second electrode, and the third electrode.

Abstract: An integrated system for injection including an injection device (10) in electronic connection with a communication device (A) is provided. The external communication device may be a handheld electronic device such as a Smartphone or a dedicated reader such as a reader capable of reading information contained on an RFID tag. The injection device includes a needle (12) and a drug delivery portion (28) enclosed within an external housing. Optionally, a plurality of sensors (16) is affixed to the surface of the needle to collect data about the injection and physical characteristics of the patient. The data may be recorded on a data capture module (36). The electronic chip may be a readable and writable electronic chip such as a nonvolatile memory chip. The injection device may further include a data transmitter (42) for sending information obtained from the data capture module to the external communications device.

Abstract: In one embodiment, an ECG monitoring system includes two or more electrodes configured to record cardiac potentials from a patient, at least one processor, and a rapid acquisition module executable on the at least one processor to: determine that an impedance of each electrode is less than an impedance threshold; record initial ECG lead data based on the cardiac potentials; determine that a noise level in each ECG lead of the initial ECG data is less than a noise threshold; start a recording timer once the noise level is below the noise threshold; record an ECG dataset while the noise level is maintained below the noise threshold until the recording timer reaches a predetermined test duration; store the ECG dataset and provide a completion alert.

Abstract: Physiological monitoring can be provided through a lightweight wearable monitor that includes two components, a flexible extended wear electrode patch with sewn electrodes and a reusable monitor recorder that removably snaps into a receptacle on the electrode patch. The monitor sits centrally on the patient's chest along the sternum oriented top-to-bottom. The placement of the wearable monitor in a location at the sternal midline, with its unique narrow “hourglass”-like shape, significantly improves the ability of the wearable monitor to cutaneously sense cardiac electrical potential signals, particularly the P-wave and the QRS interval signals indicating ventricular activity in the ECG waveforms. In particular, the ECG electrodes on the electrode patch are tailored to be positioned axially along the midline of the sternum for capturing action potential propagation in an orientation that corresponds to the aVF lead used in a conventional 12-lead ECG that is used to sense positive or upright P-waves.

Abstract: Systems and apparatus for monitoring physiological electrical activity of an individual include a first electrode unit for receiving a first signal indicative of electrical activity at a first location on a body of the individual and a second electrode unit for receiving a second signal indicative of electrical activity at a second location on the body of the individual. Each of the first and second electrode units may be operated in a field-sensing mode wherein the electrode unit is placed on or in proximity to the individual's skin. The first and second electrode units comprise a capacitive sensor element, and the capacitive sensor element of each of the electrode units comprising an electrodynamic sensor which is sensitive to electromagnetic waves; and an antenna comprising an electrically conductive radiating element for receiving electromagnetic waves.

Abstract: The present invention provides a medical electrode comprising a conductive metal base comprising a plate element and a boss formed on the plate element and a conductive support cylinder separate from the conductive metal base. The conductive support cylinder is rotatably mounted to the conductive metal base while remaining in electrical communication with said conductive metal base. The present invention also provides a limb clamp for an ECG device. According to the present invention, it is possible to prevent bending of the cable connecting with the medical electrode, thereby avoiding cable failure.

Abstract: A surgical system that includes a surgical glove configured to be removably attached to a human hand is disclosed. The surgical glove can include a first surgical instrument attached to the surgical glove, where the first surgical instrument is nonremoveably, integrally attached to the surgical glove during the formation of the surgical glove, and where the first surgical instrument is coupled to a finger of the surgical glove; a first switch attached to the surgical glove for controlling the first surgical support system; and a first actuating element attached to a thumb of the surgical glove. The first actuating element can be a discrete element. The first switch can be actuated when the first actuating element is placed in close proximity to the first switch, and a thumb of said surgical glove can be free of surgical support systems.

Abstract: Wearable devices are provided including electrical contacts to detect voltages or other biosignals when mounted to the skin of a wearer. The impedance between a pair of the electrical contacts can be detected and the device operated based on the detected impedance. The device can detect an electrocardiogram or other biopotentials using the electrical contacts if the detected impedance falls below a specified threshold. The device could indicate that the detected impedance is below the specified threshold, e.g., such that a wearer could contact one of the electrical contacts with a finger to allow detection of an electrocardiogram between the arms of the wearer. The device could indicate that the detected impedance remains greater than the specified threshold, e.g., such that a wearer could re-mount the wearable device to improve the electrical connection between the electrical contacts and the wearer's skin.

Abstract: Methods and systems for reducing interference in a therapeutic energy delivery system by delivering an electrical therapeutic signal to a patient to provide a therapeutic benefit to the patient, and delivering an electrical counter signal to the patient that destructively interferes with an electrical interference signal resulting from delivering the electrical therapeutic signal.

Abstract: A glove interface object is provided, including: a plurality of magnetic objects positioned on a first side of the glove interface object; a plurality of electromagnets positioned on a second side of the glove interface object opposite the first side, the plurality of electromagnets being positioned substantially opposite the plurality of magnetic objects, wherein each electromagnet is configured when activated to attract one or more of the magnetic objects; a controller configured to control activation and deactivation of the electromagnets based on received haptic feedback data.

Abstract: The disclosure discloses a door lock including a locking mechanism, a power interface, a main control board, an environmental information collection device and a power supply management device, where the locking mechanism, power interface and power supply management device are respectively connected with the main control board, the environmental information collection device connected with the power supply management device, the environmental information collection device configured to collect and transmit environmental information on the surrounding of the door lock to the power supply management device; the power supply management device configured to carry out processing according to the environmental information and output a power supply mode matched with the environmental information to the main control board; and the power interface configured to execute an operation related to the power supply mode matched with the environmental information according to a power supply instruction from the main control

Abstract: A biological signal acquisition device includes an electrode made up of a plurality of cell electrodes, and a controller that acquires an electrical signal from a biological body through a pair of cell electrode groups made up of a part or all of the plurality of cell electrodes. The controller determines a contact condition between the part or all of the plurality of cell electrodes and the biological body, based on a detection signal acquired by scanning the part or all of the plurality of cell electrodes. Further, the controller selects the cell electrodes making up the pair of cell electrode groups, based on the determined contact condition so that contact resistances between the cell electrode groups and the biological body are equal between the pair of cell electrode groups.

Abstract: An apparatus for working in conjunction with a digital sensor, CPU and display of a host device in order to measure blood characteristics that includes a housing configured for association with the host device so as to define between them a chamber into which at least a portion of an appendage of a living being is placed such that a tip of the appendage is deployed adjacent to the digital sensor so as to cover the digital sensor. The chamber substantially encloses the digital sensor. Light from a light source is directed toward the appendage tip, wherein at least some light from the light source is reflected by tissue of the appendage, is received by the sensor and data thereby generated is processed by the CUP to determine the blood characteristics.

Abstract: A probe system includes a finger-mountable housing having a distal end and a proximal receptacle end. The proximal receptacle end defines an opening to receive a finger. The probe system also includes a probe assembly disposed on or within the finger-mountable housing and having at least a first sensor. The first sensor is positioned to measure a physical characteristic of a first tissue when the finger-mountable housing and probe assembly are inserted in a rectum of the patient.

Abstract: A method is provided, including: activating a plurality of glove emitters positioned on a glove interface object; using a plurality of proximity sensors positioned at fingertip portions of the glove interface object to determine a proximity of the fingertip portions to the glove emitters; in response to determining a location of the glove interface object within a predefined distance of a peripheral device, activating a plurality of peripheral emitters positioned at the peripheral device, and transitioning, from using the proximity sensors to determine the proximity of the fingertip portions to the glove emitters, to using the proximity sensors to determine a proximity of the fingertip portions to the peripheral emitters.

Abstract: Devices are described herein including mounts configured to removably mount electrodes and other elements of the devices to a garment (e.g., a close-fitting undergarment) of a wearer. The devices include at least two electrodes configured such that the electrodes are maintained in secure electrical contact with skin of the wearer when the device is so mounted. The devices can be mounted to garments at various locations on the torso of the wearer such that an electrocardiographic signal related to the electrical activity of the heart of the wearer can be extracted from voltage fluctuations between the at least two electrodes. Such devices can be used for continuous logging or other applications of the electrocardiographic signals of the wearer. Such logged electrocardiographic signals could be used to determine a medical or health state of the wearer.

Abstract: Wearable devices are described herein including a housing and a mount configured to mount the housing to a wrist of a wearer. The wearable devices further include first and second electrical contacts configured such that the first electrical contact is in contact with skin proximate of the wrist when the wearable device is so mounted. The second electrical contact is disposed on a surface of the wearable device away from the wrist such that, when the wearer contacts the second electrical contact with a finger or other element of the arm opposite the wrist, an electrocardiographic waveform of the wearer can be extracted from voltage fluctuations between the first and second electrodes. Such wearable devices can be used for periodic logging or other applications of the electrocardiographic waveforms of the wearer. Such logged electrocardiographic waveforms could be used to determine a medical or health state of the wearer.

Abstract: A physiological detection module includes a conductive transmission unit, a coupler, and an electrical connector. The coupler is arranged on a surface of the conductive transmission unit. The coupler includes a receiving chamber extending therethrough. The coupler includes a positioning groove circumferentially formed thereon for coupling and positioning. The electrical connector extends through the conductive transmission unit and the receiving chamber of the coupler to connect the conductive transmission unit and the coupler together. As such, a physiological detection module is provided, which can be manufactured separately, is easy to manufacture, can be efficiently assembled for use, is securely coupled, and can prevent short-circuiting.

Abstract: Embodiments of the present invention provides an apparatus containing a device communicably coupled to two electrodes that may be positioned on a body of a subject for obtaining 12 leads or 18 leads electrocardiogram. The two electrodes may obtain signal parameters such as arm leads (I, II, III, AVR AVL and AVF) and left chest leads (V1, V2, V3, V4, V5, V6) and right chest leads (V1R, V2R, V3R, V4R, V5R, V6R). The signal parameters may be detected and collected by the device for processing thereof and thus obtain 12 leads or 18 leads electrocardiogram that may be transmitted to a health care provider for seeking health assistance based on the transmitted electrocardiogram. Further, a method for obtaining the electrocardiogram using two electrodes is also provided.

Abstract: The system for displaying muscle force data includes a wearable patch and a remote visual display. The wearable patch carries electrodes suitable for sensing electromyographic signals on the skin of the patient. The patch carries circuitry which converts the detected electromyographic signal to a digital output which can be transmitted to the remote visual display. The circuitry relies on filtering to produce a usable digital signal at very low power consumption. The transmitted signal can be used to drive a variety of visual displays, including a conventional hand-held personal communicators and entertainment devices which had been programmed to suitably process the visual display.

Abstract: A shield can inhibit transfer of microbes and bodily fluids from a first side to a second side of the shield, while allowing an ECG device adjacent the first side of the shield to sense separate electrical potentials on skin adjacent the second side. The shield comprises a flexible sheet with a first electrically conductive portion and a second electrically conductive portion; the first and second electrically conductive portions are separated from one another by an electrically insulating portion.

Abstract: The invention provides an electrophysiological analysis system, in particular for detecting pathological states. This system comprises: electrodes intended to be placed in different regions of the body that are well away from each other; an adjustable DC voltage source for generating successive DC voltage pulses varying in magnitude from one pulse to another, the duration of the pulses being equal to or greater than about 0.2 seconds; a switching circuit for selectively connecting a pair of active electrodes to the voltage source and for connecting at least one other high-impedance electrode; and a measurement circuit for recording data representative of the current in the active electrodes and potentials on at least certain high-impedance connected electrodes in response to the application of said pulses. The range of voltages covered causes, from one pulse to another, the appearance or disappearance of electrochemical phenomena in the vicinity of the active electrodes.

Abstract: A method and system are presented for use in assessment of at least one cardiac parameter of an individual. An electrodes arrangement is applied to an individual's body, for applying an electrical field to the body and providing an electrical output indicative of a systolic impedance change and of a velocity of said change during a cardiac cycle. Also provided is additional data indicative of at least of the following conditions of the individual: a value of total peripheral resistance (TPR), a value of cardiac index (CI), and existence of the AHF condition.

Abstract: Improved stretchable printed circuit boards, and fabrication methods thereof, are described. The improved stretchable printed circuit boards include a serpentine conductive trace enclosed by stretchable dielectric material. The stretchable dielectric material has a serpentine shape itself, realized by crenulated edges. The crenulated edges reduce torsional strain on the conductive trace and are formed, for example, by cutting away sections of the stretchable dielectric material proximate segments of the serpentine conductive trace where the serpentine conductive trace changes direction.

Abstract: A biosensor is described which can obtain physiological data from an individual. The biosensor may collect electrodermal activity, skin temperature, and other information. The biosensor may be attached to the body through the use of a garment which may be fastened in multiple locations on the human body. The biosensor has replaceable electrodes which may be interchanged. The electrodes contact the body without having any wires or leads external to the sensor.

Abstract: Wearable electronic devices that employ techniques for routing signals between components are described. An exemplary wearable electronic device includes a set of pod structures with each pod structure positioned adjacent and physically coupled to at least one other pod structure. The set of pod structures includes multiple sensor pods and at least one processor pod. Each sensor pod includes an on-board sensor to in use detect user-effected inputs and provide signals in response to the user-effected inputs. The signals are serially routed via successive ones of adjacent pod structures by respective communicative pathways until the signals are routed from the sensor pods to the processor pod. A processor on-board the processor pod processes the signals. Systems, articles, and methods for routing electrical signals and/or optical signals, including analog signals and/or digital signals, between pod structures are described.

Abstract: A method for assessing sudomotor function of a patient for evaluating diabetic and autonomous neuropathy is disclosed. The method is performed in a system comprising electrodes intended to be placed on different regions of the patient body, and an adjustable DC source. The method includes applying on the electrodes DC voltage pulses of varying voltage values in order to stress sweat glands, the voltage pulses lasting given durations allowing the stabilization of electrochemical phenomena in the body, near the electrodes; collecting data representative of the current between the electrodes, and of the potential generated on the electrodes for the different DC voltages; from the data, computing results representative of the electrochemical skin conductance of the patient; reconciling the latter data with reference data obtained in the same conditions on patients identified as suffering or not from sudomotor, and identifying the patient as suffering or not from sudomotor dysfunction.

Abstract: A method, a sensor arrangement, an apparatus and a computer program product for measuring a change in lung volume, having measuring a parameter for impedance pneumography by using at least one electrode configured to be in contact with an arm of a human body and at least one electrode configured to be in skin contact with thorax of a human body.

Abstract: An electrocardiographic signal measurement apparatus that easily attaches or detaches and can stably measure electrocardiographic signals without obstructing motions of a user. An electrocardiographic signal measurement apparatus includes an outer ear electrode that is made of a material having elasticity and conductivity and is brought into contact with and attached to an area of an outer ear including a boundary region between an auricle and an earlobe configuring the outer ear, an upper arm electrode that is brought into contact with and attached to an upper arm on the opposite side in the horizontal direction to the side where the outer ear electrode is attached to the outer ear, and a signal processing unit that is connected with the outer ear electrode and the upper arm electrode and measures an electrocardiographic signal detected by the outer ear electrode and the upper arm electrode.

Abstract: Systems and apparatus for monitoring heart muscle activity of an individual include a first electrode unit, for receiving a first signal indicative of electrical, activity at a first location on a body of the individual and a second electrode unit for receiving a second, signal indicative of electrical activity at a second location on the body of the individual. Each of the first and second electrode units is configurable to operate in a field-sensing mode wherein the electrode unit is placed on or it! proximity to the individual's skin, and a current-sensing mode wherein the electrode unit is coupled to a resistive sensor sensing element placed directly on the individual's skin. The field-sensing mode can be either non-contact field-sensing mode.

Abstract: Disclosed is a hand-held, medical, multi-channel biological information acquisition mobile terminal system, comprising two signal sensing gloves RL with a cable end embedded therein, for use in acquiring a variety of biological signals comprising multi-channel interconnected ECG, heart sounds, finger blood volume pulse, and skin impedance etc., the signal sensing gloves RL also comprising a signal acquisition device S, a signal transmission device C connected to the signal acquisition device S, and a mobile terminal T connected wirelessly or with a wired connection. The system has the characteristics of low power consumption, small size, low cost and fewer control channels needed for multi-channel connection; and the system can achieve on-site acquisition of a variety of biological information and the mobile function of electronic health records.

Abstract: A bio-impedance measurement apparatus includes a flexible band member, two probe sets attached to the flexible band member, a measurement device, and a wireless device. One probe set includes a probe having a tip portion configured to pierce the skin for an acupuncture point. Another probe set, used as an electrical ground, includes a probe configured to contact the reference skin at a region. The measurement device is disposed on the flexible band member and electrically coupled to the two probe sets for provision of an impulse current signal to the acupuncture point. The measurement device can amplify and measure the voltage response across the acupuncture points and the ground. The amplified signal is converted to a digital signal. The wireless device is configured to transmit the acupuncture code and impedance information to a remote monitor station. The bio-impedance measurement apparatus is disposed on a wearable sock or glove.

Abstract: A cardiac event monitoring system may include a base unit including a base connector, a wearable electrode system, and a plug-in adapter. The wearable electrode system includes a cable, an electrode at one end of the cable, and a cable connector at the other end of the cable. The cable connector is configured to plug into the base connector. The plug-in adapter includes electrodes and an adapter connector that is configured to plug into the base connector. A handheld device may include a plug-in adapter having first and second electrodes and a controller that is configured to process electrical signals detected by at least one of the first or second electrodes that are indicative of a cardiac event.

Abstract: A method for performing an electrophysiological analysis implemented in a system includes: a series of electrodes to be placed on different regions of the human body; a DC voltage source controlled so as to produce DC voltage pulses; a switching circuit for selectively connecting the active electrodes to the voltage source, the active electrodes forming an anode and a cathode, and for connecting at least one other high-impedance passive electrode used to measure the potential reached by the body; and a measuring circuit for reading data representative of the current in the active electrodes, and data representative of the potentials generated on at least certain high-impedance electrodes in response to the application of the pulses, the data allowing a value to be determined for the electrochemical conductance of the skin. The method also regenerates a high-impedance electrode connected to the voltage source as a cathode.

Abstract: An apparatus for measuring electrodermal activity can include a first electrode in contact with a first portion and a second electrode in contact with a second portion of a stratum corneum, and in electronic communication with the second electrode through the stratum corneum. A processing module is electrically coupled to the first electrode and the second electrode and is operable to (a) bias the first electrode at a first voltage V+ and the second electrode at a second voltage V? (b) measure a current flowing between the first electrode and the second electrode, the current corresponding to the conductance of the stratum corneum, (c) subtract a compensation current from the measured current (d) measure a resulting current producing an amplified output voltage (e) measure a conductance of the stratum corneum, and (f) adjust at least one of the first voltage, the second voltage and the compensation current to desaturate the output voltage.