Abstract: An adherent device to monitor a patient for an extended period comprises a breathable tape. The breathable tape comprises a porous material with an adhesive coating to adhere the breathable tape to a skin of the patient. At least one electrode is affixed to the breathable tape and capable of electrically coupling to a skin of the patient. A printed circuit board is connected to the breathable tape to support the printed circuit board with the breathable tape when the tape is adhered to the patient. Electronic components electrically are connected to the printed circuit board and coupled to the at least one electrode to measure physiologic signals of the patient. A breathable cover and/or an electronics housing is disposed over the circuit board and electronic components and connected to at least one of the electronics components, the printed circuit board or the breathable tape.

Abstract: The present disclosure provides electrodes that possess components capable of indicating to an end-user when the electrode is in need of replacement. In embodiments, the electrodes include a hydrogel in combination with a pH indicator which changes its color or opacity upon repeated use of the electrode, thereby indicating an appropriate time for changing or replacing the electrode.

Abstract: The present disclosure provides electrodes that possess components capable of indicating to an end-user when the electrode is in need of replacement. The electrode includes a substrate and a conductive composition on at least a portion of a surface of the substrate. The conductive composition includes at least one hydrogel and at least one component that precipitates from the hydrogel after repeated use of the electrode, thereby providing an indication to replace the electrode.

Abstract: An ECG lead set including an ECG electrode assembly and a lead set hub. ECG electrode includes at least one electrode configured to receive biopotential signals from a patient, a plug connector for connecting said ECG electrode assembly, a web, connected between the at least one electrode and the plug connector and configured to form an electrical connection therebetween. The lead set hub includes at least one receptacle configured to receive the plug connector of the ECG electrode assembly.

Abstract: A biosignal measurement device includes an electrode and a signal processing member. The electrode includes an insulation sheet having a hole, a device contact portion provided on the top surface of the insulation sheet and a body contact portion provided on the bottom surface of the insulation sheet, the device contact portion and the body contact portion electrically connected to each other via the hole. The signal processing member includes an externally exposed terminal to make surface contact with the device contact portion, an analog signal processing unit, an A/D signal converter and a digital signal processing unit. Also, the device contact portion and the body contact portion are formed of a material which is both conductive and adhesive. Accordingly, the signal processing member may be directly attached. Noise may be reduced. Also, a biosignal may be accurately measured.

Abstract: An adherent device is configured to adhere to the skin of the patient with an adherent patch, for example breathable tape, coupled to at least four electrodes. The device comprises impedance circuitry coupled to the at least four electrodes and configured to measure respiration of the patient to detect sleep apnea and/or hypopnea. The impedance circuitry may be used to measure hydration of the patient. An accelerometer can be mechanically coupled to the adherent patch such that the accelerometer can be coupled to and move with the skin of the patient. Electrocardiogram circuitry to generate an electrocardiogram signal may be coupled to at least two of the at least four electrodes to detect the sleep apnea and/or hypopnea.

Abstract: The current invention is an apparatus that comfortably fits on an individual's chin and holds electrodes in place.

Abstract: A disposable tab electrode has core elements that include an adhesive conductive laminate layer and a logo sticker layer with a penetrating hole for contacting a sensor electrode. A protecting film is put around both ends of the core elements. As a result, the disposable tab electrode can be made inexpensively, stored hygienically for a long time and used easily. A lead wire for connecting to the tab electrode has a projection on one end of a sensor electrode that is adhered onto the conductive laminate layer of the disposable tab electrode. The projection is fixed to the lead wire body by a fixing member. As a result, expensive Ag—AgCl electrode sensors can be used repeatedly. The lead wire can have a nipper self-contained or integrated with the lead wire body to prevent the lead wire from separating from the disposable tab electrode during use.

Abstract: A biosignal measurement device includes an electrode and a signal processing member. The electrode includes an insulation sheet having a hole, a device contact portion provided on the top surface of the insulation sheet and a body contact portion provided on the bottom surface of the insulation sheet, the device contact portion and the body contact portion electrically connected to each other via the hole. The signal processing member includes an externally exposed terminal to make surface contact with the device contact portion, an analog signal processing unit, an A/D signal converter and a digital signal processing unit. Also, the device contact portion and the body contact portion are formed of a material which is both conductive and adhesive. Accordingly, the signal processing member may be directly attached. Noise may be reduced. Also, a biosignal may be accurately measured.

Abstract: The invention relates to a medical electrode comprising a carrier having a first conductor surface and an outer conductor surface surrounding the first conductor surface wherein the outer conductor surface is free from radial tabs for connection to circuitry so as to remain electrically uncontacted on the carrier.

Abstract: A transdermal medicament patch includes a biocompatible substrate having a therapeutic face on one side configured for disposition against the skin of a patient, a biocompatible adhesive on the therapeutic face, a planar medicament matrix covering a portion of the therapeutic face, and a release liner covering the portion of therapeutic that is not obscured by the medicament matrix. An aperture formed through the release sheet affords direct access by medicament to the entire surface of the medicament matrix opposite from the therapeutic face of the substrate. An active electrode positioned between the medicament matrix and the therapeutic face of the substrate includes an electrically conductive backing layer positioned against the therapeutic face of the substrate and a pH-control layer covering less than all of the side of the backing layer opposite from the therapeutic face of the substrate.

Abstract: A sensor web device is provided for measuring EMG (electromyographic) signals. The device has a base sheet and a plurality of EMG sensors disposed on the base sheet. The plurality of EMG sensors are arranged so that a desired EMG signal of a muscle in a human body is obtained by a corresponding one of the plurality of EMG sensors.

Abstract: An ECG electrode assembly is provided. The electrode assembly includes a backing element, an electrode element, and an electrolyte gel. The electrode assembly includes an electrode assembly having a connection portion or ridge located generally in the center of the backing element. The electrode assembly extends through an aperture in the backing element and includes an integrally formed sensing potion located on the side of the backing element opposite the connection portion.

Abstract: A bioelectrode comprising a skin-side, electrically conducting adhesive layer (7) and a flexible electrical connecting cable (4) which in an electrically insulating cable sheath (5) includes at least one electrical conductor (6), preferably in the form of a braid comprising a plurality of individual wires or conducting individual fibers, wherein the electrode-side end (4a) of the connecting cable (4) is arranged between two thermoplastic layers (2, 3) which are welded together at least region-wise, wherein both thermoplastic layers (2, 3) are electrically conducting and are electrically connected to the electrical conductor (6) of the connecting cable (4).

Abstract: An adherent device to monitor a patient for an extended period comprises a breathable tape. The breathable tape comprises a porous material with an adhesive coating to adhere the breathable tape to a skin of the patient. At least one electrode is affixed to the breathable tape and capable of electrically coupling to a skin of the patient. A printed circuit board is connected to the breathable tape to support the printed circuit board with the breathable tape when the tape is adhered to the patient. Electronic components electrically are connected to the printed circuit board and coupled to the at least one electrode to measure physiologic signals of the patient. A breathable cover and/or an electronics housing is disposed over the circuit board and electronic components and connected to at least one of the electronics components, the printed circuit board or the breathable tape.

Abstract: A medical electrode is provided for detecting and transmitting electric pulses from the body surface of a patient to an electric pulse processor. The medical electrode includes an outer carrier and at least one inner carrier (3, 3?, 3?). The outer carrier and the inner carrier are connected at a defined number of geometrically distributed points (2). The points (2) form an outer edge (4) of the inner carrier and are perforated, so that the outer carrier and the inner carrier can be separated at these points (2). An adhesion area (5) is formed on the underside of the outer carrier (1) and of the inner carrier for adhering the medical electrode to the patient body surface. A contact element (7) is provided with a conductive area arranged concentrically to the contact element (7) for establishing contact with the body surface of the patient. The contact element (7) and the conductive area (8) are arranged within the inner carrier.

Abstract: A medical electrode for bonding to the skin of a patient comprises a support which adheres to the skin and a holding element for at least one electrically conducting connection piece, wherein the skin side of the connection piece is covered with an electrically conducting gel, in particular in a sponge, wherein the gap on the skin side between the holding element and the electrically conducting connection piece is closed by a sealing element which is preferably ring-like.

Abstract: A method for performing ambulatory electrocardiographic monitoring on an adult female is provided. An ambulatory ECG monitor, that includes a plurality of sensing electrodes coupled to self-powered sensing circuitry, is provisioned. A monitoring site is located on the surface of a patient's chest at midline and above the body of the sternum adjacent to the fourth and fifth intercostal spaces between the breasts in the upper portion of the intermammary cleft. The electrodes are aligned and placed along the midline. Interference from breast tissue with placement of the ambulatory monitor at the monitoring site is evaluated. The ambulatory ECG monitor is removably adhered to the monitoring site clear of any breast tissue interference for the duration of monitoring. ECG data is sensed through the sensing electrodes at the monitoring site and the sensed ECG data is recorded into the sensing circuitry.

Abstract: A method for performing ambulatory electrocardiographic monitoring is provided. An ambulatory ECG monitor, that includes a plurality of sensing electrodes coupled to self-powered sensing circuitry, is provisioned. A monitoring site is located on the surface of a patient's chest at midline and above the body of the sternum adjacent to the fourth and fifth intercostal spaces. The electrodes are aligned and placed along the midline. The ambulatory ECG monitor is removably adhered to the monitoring site for the duration of monitoring. ECG data is sensed through the sensing electrodes at the monitoring site and the sensed ECG data is recorded into the sensing circuitry.

Abstract: An ambulatory electrocardiographic (ECG) monitor with a jumpered sensing electrode and method of use for female and large-girthed patients is provided. Self-powered ECG sensing circuitry is fully enclosed in a housing with electrode receptacles on a bottom surface. A flexible and stretchable electrode mounting panel is provided with a layer of skin adhesive. A standoff pad is placed between the housing and the electrode mounting panel. Sensing electrodes are mounted on opposite ends of the mounting panel. Each sensing electrode includes an electrode pad facing the skin contacting surface and an oppositely-facing electrode plug. Each plug is removably and pivotably couplable into the receptacles. A jumper wire assembly includes a jumper plug electrically connected to a jumper receptacle. The jumper plug is removably and pivotably couplable into the receptacles and the jumper receptacle is removably and pivotably couplable into the plugs on the mounting panel opposite from the standoff pad.

Abstract: A sensor for sensing physiological signal from outside the human body, said sensor comprising an electrode for abutment against the skin; and a transmission conductor electrically connected to said electrode, said transmission conductor formed from a flexible material, wherein in use a substrate is disposed between the skin and said transmission conductor, and said substrate is permeable to moisture and air thereby exposing said transmission conductor to said moisture.

Abstract: An adherent device to monitor a patient for an extended period comprises a breathable tape. The breathable tape comprises a porous material with an adhesive coating to adhere the breathable tape to a skin of the patient. At least one electrode is affixed to the breathable tape and capable of electrically coupling to a skin of the patient. A printed circuit board is connected to the breathable tape to support the printed circuit board with the breathable tape when the tape is adhered to the patient. Electronic components electrically are connected to the printed circuit board and coupled to the at least one electrode to measure physiologic signals of the patient. A breathable cover and/or an electronics housing is disposed over the circuit board and electronic components and connected to at least one of the electronics components, the printed circuit board or the breathable tape.

Abstract: Therapeutic medical garments for scar treatment includes a composite fabric for treating dermatological scars, wherein a layer of textile fabric and a layer of a therapeutic agent produce a composite sheet suitable for the treatment of dermatologic scars resulting from traumatic, surgical or other injuries to the skin. The composite sheet may be fashioned into garments fitted to the patient for convenience of use, optimization of skin contact, and single step application of pressure therapy and the therapeutic agent. A process of use of the medical garment for applying therapeutic agent and pressure therapies.

Abstract: In certain variations, methods, systems and/or devices for enhancing conductivity of an electrical signal through a subject's skin using one or more microneedle electrodes are provided. A microneedle electrode may be applied to the subject's skin by placing the microneedle electrode in direct contact with the subject's skin. The microneedles of the microneedle electrode may be inserted into the skin such that the microneedles pierce stratum corneum of the skin up to or through dermis of the skin. An electrical signal passes or is conducted through or across the microneedle electrode and the subject's skin, where impedance of the microneedle electrode is minimal and greatly reduced compared to existing technologies.

Abstract: There is disclosed a system of electrodes used for transdermal conduction of electric signals and a method of use thereof, the said system comprising a plurality of electrode parts (17, 58, 58?) connected by means of electrical conductors (17?, 68) to electric impedance tomography apparatuses, as well as other devices, the said parts being secured to the outer side (15a, 54a, 54?a) of a flexible and porous blade (15, 54c, 51?) coated on both sides thereof by layers of electrically conductive and adhesive materials, such electrically conductive materials being in mutual contact through the pores (74) of the said blade, the inner face of the latter being removably secured, by means of adhesion, to the skin of the patient (65). The invention comprises means for positioning the said electrode parts, as well as means for external protection thereof and of their respective conductors.

Abstract: The invention relates to a system (10) for attaching to the stomach (24) of a pregnant woman, said system comprising a bracket (11) and strapping means; wherein said bracket comprising strapping engaging means (16) for releasable engaging said strapping means with said bracket (11) and/or for adjusting the effective length of said strapping means; wherein said bracket (11) either comprising a monitoring device (12); or comprising means for accommodating a separate monitoring device (12); wherein said strapping means comprise two separate straps (18) each having two ends; wherein one end of each of said separate straps (18) being an adhesive end (20) for adhering onto the skin of said woman's stomach (24).

Abstract: A biosensor kit and method for use thereof for at-home collection of biosensor data having one or more biosensors with a top patch-shaped layer affixed to a bottom patch-shaped layer, the layers being made of cushioning sheet material, such as medical foam tape, and having a biosensor circuit disposed between the layers such that the top layer and bottom layer form a protective, dual-mode encapsulation of the biosensor circuit for cushioning against the skin or a garment of a wearer, and for protection of the biosensor circuit during shipment and handling. The kit further includes a carrier card of suitable size to receive and carry the biosensors in a substantially flat, co-planar arrangement in a substantially flat envelope or pouch for shipment through flat piece mail or postal service. The cushioning sheet material of the biosensor layers is sufficient packing material to avoid requiring additional protective packing material.

Abstract: A physiological data collection system facilitates acquiring, recording, transferring and analyzing physiological signals generated from the skin of a human subject that may be used in generating an electrocardiogram for a patient in a continuous manner over an extended period of time of twenty four to forty eight hours. The physiological data collection system is an assembly of a disposable physiological sensor device and a reusable data collection module. Collected physiological data may be transmitted for analysis via either a cable or a wireless communication system.

Abstract: Conductive compositions whose electrical properties do not change significantly due when stored open to the atmosphere, methods for preparing the compositions, and medical electrodes that comprise the compositions are disclosed. The compositions are hydrogels that comprise about 33 wt % to about 68 wt % of a humectant or a mixture of humectants; about 1 wt % to about 8 wt % of an electrolyte or mixture of electrolytes; about 6 wt % to about 20 wt % of water; about 18 wt % to about 45 wt % of a copolymer. The copolymer comprises, in polymerized form, about 80 mol % to about 95 mol % of a first monomer, which is a mixture of acrylic acid and a salt thereof, about 5 mol % to 20 mol % of a second monomer, preferably a salt of 2-acrylamido-2-methylpropane sulfonic acid, and, optionally a crosslinking agent. The conductive composition has a pH of about 7.0 or less.

Abstract: A method is disclosed of detecting a bioelectrical signal from a subject. The method includes the steps of applying a composite material to a subject wherein the composite material includes a polymeric material and a polar material that is substantially dispersed within the polymeric material; coupling monitoring equipment to the second side of the composite material; permitting the polar material within the polymeric material to respond to the bioelectrical signal within the subject; and detecting a responsive electrical signal from the composite material that is representative of the bioelectrical signal. The polar material exhibits molecular compatibility with the polymeric material such that the polar material neither blooms to a surface of the polymeric material nor crystallizes within the polymeric material, and the composite material has a first side for contacting the subject and a second side.

Abstract: An apparatus for monitoring an electrical signal from a patient's body includes a disposable electrode patch having a thin flexible housing with an adhesive exterior, a power source, a printed circuit board, a plurality of electrodes, a converter for converting a detected electrical signal from the patient's body to a digital signal, a processor for processing the digital signal, and a transmitter connected for transmitting the processed digital signal as a wireless signal. A monitoring unit communicating with the electrode patch includes a power source, a transceiver, a global positioning receiver, a processor, at least one communication port for external communications, and a display. A system of the invention includes a plurality of patients having medical monitors wirelessly communicating biometric information to a central processor for archiving and accessing.

Abstract: In one configuration, an adherent device to adhere to a skin of a subject includes a stretchable base layer having an upper side and a lower side and an adhesive coating on the lower side to adhere the base layer to the skin of the subject. The base layer has at least two openings extending therethrough, each of the at least two openings having a size. The adherent device also includes a stretchable covering layer positioned above and adhered to the base layer with an adhesive to define at least two pockets. The adherent device also includes at least two gels, each gel having a size larger than the size of openings to retain the gel substantially within the pocket, and a circuit carrier supported with the stretchable base layer to measure at least one physiologic signal of the subject. Other configurations and methods are also claimed.

Abstract: A waterproof bioelectrode includes an electrode pad (101) to be mounted on a living body and a lead wire (110) to be connected to the electrode pad. The electrode pad includes a waterproof base (106) having an adhesive contacting surface and a hole substantially at its center, a waterproof seal member (105) which fixes the lead wire to a lower surface of the contacting surface of the base while covering the hole such that a detection electrode provided to a distal end of the lead wire is exposed from the hole of the waterproof base, and a conductive gel (103) arranged on the contacting surface to come into contact with the detection electrode.

Abstract: A disposable monitor, including an adhesive sensing unit that includes a flexible conductive wire of length that does not exceed few centimeters; wherein when the adhesive sensing unit is attached to the skin of a person the flexible conductive wire changes an electrical parameter in response to movements of the skin; wherein the adhesive sensing unit wirelessly transmits electromagnetic signals that are indicative of values of the electrical parameter of the flexible conductive wire.

Abstract: A system for detecting and analyzing electrical activity in the anatomy of an organism underlying an electrode array provides signals corresponding to electrical activity adjacent each electrode. Such signals are correlated to the underlying anatomy of the organism and representative outputs presented through various types of output devices. Such outputs may include variations in coloration or other qualities in correspondence with representations of underlying anatomical structures. The system includes electrode structures and methods for producing and attaching electrode arrays to the organism. The exemplary form of the invention is used in connection with the diagnosis of muscle activity in the lower lumbar regions of humans. Levels of muscle activity detected are analyzed by correlation with the muscular structures underlying the electrode array. Forms of the invention may be used in other applications.

Abstract: A wearable compact, lightweight, noninvasive, wearable “unified” device or system (10), that does not compromise a user's motion and flexibility, detects, processes, analyzes and reports predetermined physical states of a human body. The system includes at least one pair of sense electrodes (14) and one reference electrode (16), each configured to be adhesively attached to a surface of the body (30). An electronics module (12) is in electrical communication with each of the electrodes, includes a power source, and processes and analyzes signals provided by the electrodes. The plurality of electrodes and the electronics module are covered by a single adhesive membrane (20) that enables the wearable device to adhere to the surface of the body.

Abstract: The present invention is directed to systems and methods for monitoring characteristics of a subject. A system according to an exemplary embodiment of the invention includes a sensor subsystem including at least one respiratory sensor disposed proximate to the subject and configured to detect a respiratory characteristic of the subject, wherein the sensor subsystem is configured to generate and transmit at least one respiratory signal representing the respiratory characteristic, and at least one physiological sensor disposed proximate to the subject and configured to detect a physiological characteristic of the subject, wherein the sensor subsystem is configured to generate and transmit at least one physiological signal representing the physiological characteristic, and a processor subsystem in communication with the sensor subsystem, the processor subsystem being configured to receive at least one of the at least one respiratory signal and the at least one physiological signal.

Abstract: Nanofiber adhesives and their uses with device, such as medical devices, are described. In one embodiment, a nanofiber adhesive layer may be disposed on a surface of a medical device, such as a backing layer of a sensor, for adhesion to a substrate. The nanofiber adhesive layer may allow durable adhesion to the substrate. Other described features may include materials and methods to determine the attachment of the medical device to a patient by determining the adhesive state of the adhesive layer.

Abstract: A biomedical sensor for detecting EMG signals may include a non-conducting fixed framework supporting a symmetrical arrangement of four electrode surfaces, configured as two signal detection contacts, each with a respective associated signal reference contact. The mechanical and electrical configuration act together to suppress movement artifact.

Abstract: The present invention relates to a real-time electrocardiogram monitoring system and method, a patch-type electrocardiograph and a telecommunication apparatus.

Abstract: An exemplary sensor includes a sensor pad defining a perimeter, a light source, a light detector, and an adhesive layer. The light source is configured to generate near-infrared light and transmit the near-infrared light through part of a patient's body. The light detector is configured to receive the near-infrared light generated by the light source after it has traveled through part of the patient's body. The light received by the light detector indicates an amount of oxygen in the part of the patient's body through which the near-infrared light traveled. The adhesive layer is offset relative to the sensor pad to, for example, allow a clinician to easily remove the sensor from the patient.

Abstract: Provided is an apparatus for measuring physiological signals by distributing modules according to functions. The physiological signal measuring apparatus includes first and second detection electrodes, a physiological signal detection module, a power supply module, and a connection line. The first and second detection electrodes are adhered to a target skin to detect physiological signals. The physiological signal detection module is installed at the first detection electrode to generate physiological signal data from the physiological signals detected by the first and second detection electrodes. The power supply module is installed at the second detection electrode to supply power to the physiological signal detection module. The connection line connects the physiological signal detection module and the power supply module.

Abstract: A medical apparatus includes a substrate member and an applicator member. Substrate member includes a medical device and an adhesive layer for adhering to body tissue. Applicator member is releasably attached to the substrate member and is adapted for grasping by a clinician to facilitate application of the substrate member to body tissue.

Abstract: A biomedical sensor is disclosed that includes a conductive material for coupling to monitoring equipment, and a composite. The composite includes a polymeric material and a polar material that is substantially dispersed within the polymeric material. The composite has a first side that is coupled to the conductive material and has a second side that is positionable with respect to a subject to be monitored. The polar material exhibits molecular compatibility with the polymeric material such that the polar material neither blooms to a surface of the polymeric material nor crystallizes within the polymeric material.

Abstract: A medical electrode includes a backing layer having a top face and a bottom face, and a shrinkable layer covering at least a portion of the top face of the backing layer. Shrinkage of the shrinkable layer results in flexing of a portion of the backing layer to aid placement and attachment of the electrode to the patient.

Abstract: An ICG/ECG electrode includes a first electrode and a second electrode, wherein at least one of the first or second electrode senses both an ICG signal and an ECG voltage signal. A physiologic parameter monitoring apparatus includes a set of electrodes, including an electrode for sensing both an ICG voltage signal and an ECG voltage signal corresponding to a patient. The apparatus further includes an ICG monitor for processing the ICG voltage signal sensed by the electrode and an ECG monitor for processing the ECG voltage signal sensed by the same electrode.

Abstract: A sensor system in accordance with the present invention comprises a plane member, a plurality of electrodes within the plane member, adapted to contact a human body to detect and monitor human generated voltages. The sensor can be applied to monitor a variety of applications relating to health, disease progression, fitness and wellness. Some of the specific applications include the monitoring of ECG, EEG, EMG, glucose, electrolytes, body hydration, dehydration, tissue state and wounds. Various aspects of the invention are shown by illustrating certain embodiments. Many other embodiments can be used to implement the invented schemes.

Abstract: Disclosed are a wearable monitoring apparatus and a driving method thereof. The wearable monitoring apparatus comprises: a sensor unit for measuring a biological signal from a human body, wherein the sensor unit is adhered to a skin; and a control unit for searching a location of the sensor unit, supplying power to the sensor unit, and receiving and processing the biological signal from the sensor unit, wherein the control unit is formed to be wearable.

Abstract: A medical electrode includes a moderately conductive flexible member having a top side and a bottom side with a plurality of highly conductive patterns disposed on the conductive flexible member bottom side in a spaced apart relationship. A moderately highly conductive layer disposed on the conductive flexible member bottom side and covering the conductive patterns, for adhering the electrode to a patient's skin. A connector is provided for establishing electrical contact with an external apparatus. The connector includes a leadwire having conductive portions in electrical communication with the conductive patterns and non-conductive portions between the conductive patterns. Control over conductivity between the leadwire conductive portion and the conductive pattern is provided.

Abstract: In an embodiment, an article includes a primary surface, and a pattern of spaced dissimilar materials, on the primary surface. The pattern is to spontaneously produce electrical surface currents when brought into contact with an electrically conducting solution.