Abstract: Skin patch sensors for monitoring and/or affecting body parameters, with alignment, positioning and attachment using magnets. The repeated use of releasable adhesive layers to retain skin patch sensors on skin can cause skin irritation, which can be reduced by rotating a skin patch between attachment times around a magnetically coupled pivot point. Skin patch sensors can be configured with internal coils to inductively couple to external power transmitting and communications coils with solenoids in anti-Helmholtz configurations.

Abstract: A device includes a first sealing member, a second sealing member, a first circuit member and a second circuit member. The first sealing member includes, as a base thereof, a first film formed of a film and includes a conductive portion made of conductor. The device is formed with a closed space. The closed space is enclosed by the first sealing member and the second sealing member and is shut off from an outer space located outside the device. The first circuit member and the second circuit member are shut in the closed space and include a first contact point and a second contact point, respectively. At least one of the first circuit member and the second circuit member includes an electrode. The conductive portion is in contact with the electrode in the closed space and is partially exposed to the outer space located outside the device.

Abstract: The present invention discloses a holder carrying thereon a sensor to measure a physiological signal of an analyte in a biological fluid, wherein the sensor has a signal detection end and a signal output end, and the holder includes an implantation hole being a channel for implanting the sensor and containing a part of the sensor, a containing indentation containing the signal output end, a fixing indentation fixing thereto the sensor and communicating with the containing indentation, a waterproof seal disposed above the implantation hole, an elastic divider disposed in the implantation hole to separate the implantation hole and covering all over a cross-sectional area of the implantation hole, and a blocking element disposed between the implantation hole and the fixing indentation to hold the sensor.

Abstract: The present invention discloses a holder carrying thereon a sensor to measure a physiological signal of an analyte in a biological fluid, wherein the sensor has a signal detection end and a signal output end, and the holder includes an implantation hole being a channel for implanting the sensor and containing a part of the sensor, a waterproof seal disposed above the implantation hole, and an elastic divider disposed in the implantation hole to separate the implantation hole and covering all over a cross-sectional area of the implantation hole.

Abstract: The present disclosure relates to a device, method and system for estimating or monitoring the health condition of a subject. At least one processor, when executing instructions, may perform one or more of the following operations. At least one physiological signal or information including a physiological signal of a subject may be received. At least one physiological parameter of interest may be generated based on the physiological signal. The physiological parameter of interest may be analyzed according to an analysis model. A physiological result may be generated. A recommendation may be provided based on the physiological analysis result.

Abstract: Example headsets and electrodes are described herein. Example electrode units described herein include a housing having a cavity defined by an opening in a side of the housing and an electrode. In some such examples, the electrode includes a ring disposed in the opening and an arm, where the arm has a first portion extending outward from the opening away from the housing and a second portion extending from an end of the first portion toward the housing and into the cavity, and the first and second portions connect at a bend.

Abstract: A patch and sensor assembly has a biosensor housed in a reusable portion that connects to a mapping and localization system (MLS) via biosensor wires. A disposable portion has an electrode layer through which signals are transmitted to the MLS via ACL wires. The biosensor and ACL wires extend through a single cable exiting the reusable portion. The disposable portion includes an adhesive layer for adhering the electrode layer to a patient, on the electrode layer, and an engagement element for detachably receiving at least a portion of the housing of the reusable portion. The reusable portion includes a housing in which the biosensor has biosensor wires that exit the reusable portion. The housing is also adapted to carry and/or provide support to an ACL contact member responsive to the electrode layer of the disposable portion, and ACL wires that exit the reusable portion.

Abstract: One variation of a system for collecting biosignal data includes: a left junction; a right junction; a first band spanning the left and right junctions; a first band adjuster configured to adjust a length of the first band between the left and right junctions; a second band spanning the left and right junctions and radially offset from the first band about a lateral axis spanning the left and right junctions; a second band adjuster configured to adjust a length of the second band between the left and right junctions; a first electrode fixedly mounted to the first band and centered between the left and right junctions; a second electrode mounted to the first band offset from the first electrode and laterally-adjustable along the length of the first band; and a third electrode mounted to the second band and laterally-adjustable along the length of the second band.

Abstract: An patch and sensor assembly for use in an EP mapping system has two portions: a reusable portion and a disposable portion. The reusable portion houses the biosensors used in magnetic based location and mapping systems and the electrical lead necessary to communicate between the biosensor and the mapping system. The reusable portion may also contain a portion of the electrode necessary to receive electrical signals from the body of the patient. The disposable portion of the patch and sensor assembly contains an adhesive covered flexible patch having at least a portion of the electrode used to receive electrical signals form the body of the patient and may contain the electrical lead necessary to communicate such an electrical signal to the mapping system. The disposable portion contains a receptacle adapted to receive and mechanically secure the reusable portion to the disposable portion of the assembly.

Abstract: An electrode connector includes a housing, an electrically conductive contact plate, a lead wire terminal electrically connected to the contact plate and an electrically conductive member. The housing defines a first opening configured to receive at least a portion of an electrode therethrough. The contact plate defines a bore aligned with the first opening. The bore is configured and dimensioned to receive at least a portion of the electrode therein. The electrically conductive member is electrically coupled to the lead wire terminal. The electrically conductive member is supported on the housing and is spaced apart from the first opening.

Abstract: The invention relates to a conductive elastomer provided and formed from a base elastomer and conductive solid particles that are distributed therein. The conductive particles used are: a) platelet-shaped conductive particles and/or b) dendritic conductive particles and/or c) other elongated conductive particles with a length:width ratio of greater than or equal to two. It has been seen that a combination of ball-shaped and platelet-shaped conductive particles is particularly advantageous. The particles can additionally be aligned by the pouring, application using a doctor blade, or drawing of the dissolved or not-yet cured mixture. The polymer is particularly suitable for medical electrodes for capturing and emitting signals. The material rennulus elastic, and conductive when stretched or bent.

Abstract: A portable electrocardiography (ECG) device includes a first pair of first type snap-in buttons at a first plane of a case. The first type snap-in buttons are configured for coupling to ECG electrodes having a second type snap-in button. The portable ECG device also includes a processor in electrical connection with the first pair of first type snap-in buttons. The processor is configured for monitoring and processing electrocardiography signals obtained by the ECG electrodes.

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: The present invention relates generally to a thin, low thickness snap integrated within or built within a heart rate monitor belt or snap and electrode assebly. The snap can be integrated or built directly in to a heart rate monitor belt. Furthermore, the heart rate monitor belt can be integrated within a textile or garment, for example a compression shirt, sports bra or cycling shorts. The snap can be flushly integrated into the belt or garment such the snap does not take away from the general wearability of the heart rate monitor belt or garment.

Abstract: An electrode includes a pad having a patient contact side and a connector side. The patient contact side includes a conductive layer, and the connector side includes a press stud. An eyelet interconnects the conductive layer with the press stud. The eyelet includes a conductive coating disposed on at least a portion of a surface of the eyelet that contacts the conductive layer, while other surfaces of the eyelet are substantially free of the conductive coating.

Abstract: An ECG electrode is provided which can be placed within the direct path of x-rays during an imaging scan without inducing an x-ray induced erroneous current. The ECG electrode has a support element with a conductive post on one side electrically connected to a conductive plate on the other side. A dissipative anti-static element in or near the ECG electrode dissipates static electricity which forms on the surfaces of the insulating components in the ECG electrode. The dissipative anti-static element may be, for example, a slightly conductive property of the bulk material used to make the insulating material, or a conductive coating added to the insulating material surfaces. The dissipative anti-static element may also be incorporated in the clamp attached to the conductive post. In a further embodiment, an ion blower aimed at the ECG electrode may be used to remove static electricity.

Abstract: Disclosed is an ECG electrode lead wire connector which provides improved electrical and mechanical coupling of the ECG electrode press stud to the lead wire and is suitable for use during imaging procedures such as, without limitation, CT scans or MRI. The connector assembly includes a housing having. An engagement member is pivotably disposed within the housing to retain the connector on an ECG electrode fixed to a patient's body, an arcuate stiffener is deposed between the engagement member and a pivot member and a radiolucent resilient member configured to bias the engagement member.

Abstract: Disclosed is an ECG electrode lead system suitable for use during imaging procedures such as, without limitation, CT scans or MRI and methods of use. In embodiments, the system includes an ECG electrode connector formed from radiolucent materials to enhance performance during imaging procedures by reducing or eliminating shadows on imaging media. In some embodiments, the disclosed connector includes a housing having an opening configured to operably receive an electrode post of an ECG electrode pad, an electrode member having a generally semicircular contact face disposed along at least a part of the perimeter of the opening, and an engagement member having an actuation surface and an engaging face pivotable about a pivot to enable engaging face to move from a first position whereby the engaging face is closer to the contact face and a second position whereby the engaging face is further from the contact face.

Abstract: A medical electrode which mechanically isolates a conductive interface between the electrode and a patient's skin from forces applied to the lead wires or a lead wire connector is described.

Abstract: An ECG lead system for use with a plurality of unique diverse ECG floor monitors for when a patient is substantially immobile and/or a plurality of unique diverse ECG telemetry monitors, is provided. The ECG lead system includes a plurality of unique adapters, wherein each adapter includes an input receptacle configured for selective electrical connection with a device connector of an ECG lead set assembly; and at least one unique monitor plug electrically connected to the input receptacle. Each monitor plug is configured to selectively electrically connect to a corresponding receptacle of a respective unique diverse ECG floor monitor or unique diverse ECG telemetry monitor.

Abstract: A garment is used to facilitate the placement of biomedical sensors or other electrodes on the body. The garment is comfortable and allows freedom of movement much like typical clothing. Textile based electrical components are included in the garment which are capable of transmitting an electrical signal to and from various external electrodes placed on the body. A textile based EMI shield protects the signals from electromagnetic interference. The garment may take any form such as a vest, sports bra, long sleeve shirt, bonnet, or other form and may provide access to an electrode placement site without requiring removal of the garment.

Abstract: A connector for an implantable medical lead that is electrically and mechanically connectable to an implantable medical device, has a connector pin made of a first conducting material. A tubular insulator made of an insulating material concentrically surrounds at least a portion of the pin. A connector ring made of a second conducting material is concentrically positioned around at least a portion of the insulator. The insulator is connected to the connector ring by spark plasma sintering in the case of an active fixation lead, and is connected to the ring and the pin by spark plasma sintering in the case of a passive fixation lead.

Abstract: A method of monitoring pulmonary oedema in a subject using a processing system. The method includes, determining a measured impedance value for at least two body segments, at least one of the body segments being a thoracic cavity segment. For each body segment, the measured impedance values are used to determine an index, which is in turn used to determine the presence, absence or degree of pulmonary oedema using the determined indices.

Abstract: A cardiac event monitoring system includes 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.

Abstract: A method of monitoring pulmonary oedema in a subject using a processing system. The method includes, determining a measured impedance value for at least two body segments, at least one of the body segments being a thoracic cavity segment. For each body segment, the measured impedance values are used to determine an index, which is in turn used to determine the presence, absence or degree of pulmonary oedema using the determined indices.

Abstract: An electrode set is disclosed that has two separable parts including an assembled base with printed circuit board basement, biasing member and top cover and an electrode. The basement and top cover may be made by metal or conductive material.

Abstract: An expandable electrode pad having a flexible and stretchable base member that may be either expanded or compressed to provide proper positioning for a plurality of electrode distal contacts. Portions of the base member may have perforations that allow one or more sections of the base member to be separated and positioned a greater, non-stretchable distance away from the remaining strip of distal contacts. Additionally, the circuit body may comprise a distal cut zone that provides for freedom of movement of the plurality of distal contacts and a proximal perforated zone that eliminates lead wire entanglements while also allowing for the tearing of perforations between adjacent conductive circuits when a greater reach is required for the proper placement of a distal contact.

Abstract: The invention relates to a sensor for in vivo measurements comprising a planar substrate, and a sensor shaft bearing several electrodes, and a sensor head for connecting the sensor, wherein the sensor head has metal surfaces as contact fields for contact making, which are connected to the electrodes by way of conductor paths. The sensor head protrudes laterally to the sensor shaft so that the contact fields are arranged laterally from the sensor shaft, whereas the conductor paths extend in parallel on the sensor head transversely to the longitudinal direction of the sensor shaft. Also disclosed is a system having a sensor as just described and a suitable plug connector therefor.

Abstract: Systems and methods are provided for graphically configuring leads for a medical device. According to one aspect, the system generally comprises a medical device and a processing device, such as a programmer or computer, adapted to be in communication with the medical device. The medical device has at least one lead with at least one electrode in a configuration that can be changed using the processing device. The processing device provides a graphical display of the configuration, including a representative image of a proposed electrical signal to be applied by the medical device between the at least one electrode of the medical device and at least one other electrode before the medical device applies the electrical signal between the at least one electrode and the at least one other electrode. In one embodiment, the graphical display graphically represents the lead(s), the electrode(s), a pulse polarity, and a vector.

Abstract: A biomedical electrode patch having improved resistance to capacitive coupling to extraneous electric fields. The patch includes a conductive shield and a contact portion formed on an upper surface thereof. The contact portion extends through the film layer and contacts an electrode formed of a material suitable for conducting electrical signals from a patient. Conductive traces formed on the lower surface of the tab extend to contact pads. A nonconductive layer is printed over the traces and can have a shield formed thereon.

Abstract: An electrode for selective attachment to at least one of a garment and a subject, is provided and includes a conductive member defining a first side and a second side; a conductive composition disposed on the first side of the conductive member, wherein the conductive composition has a first adhesive strength; a contact layer disposed on the second side of the conductive member, wherein the contact layer includes a pressure sensitive adhesive portion and a conductive hydrogel portion, wherein the pressure sensitive adhesive portion has a second adhesive strength that is greater than the adhesive strength of the conductive composition; whereby the electrode is adherable to the garment and to the subject such that the conductive composition is adhered to the subject and the pressure sensitive adhesive portion is adhered to the garment, wherein removal of the garment from the subject results in removal of the electrode from the subject.

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 electrode includes a pad having a patient contact side and a connector side. The patient contact side includes a conductive layer, and the connector side includes a press stud. An eyelet interconnects the conductive layer with the press stud. The eyelet includes a conductive coating disposed on at least a portion of a surface of the eyelet that contacts the conductive layer, while other surfaces of the eyelet are substantially free of the conductive coating.

Abstract: Systems and methods for temporarily pacing a patient's heart are provided. One system includes a hemostasis valve with an adjustable electrical connection, the adjustable electrical connection having one or more adjustable contacts. The adjustable contacts have a first, radially expanded configuration and a second, radially constricted configuration. In the radially constricted configuration, the adjustable contacts are configured to pierce through a layer of an elongate medical device that is disposed in the hemostasis valve. The elongate medical device has a distal electrode and a conductor extending along a portion of the elongate medical device. The adjustable contacts pierce through and make contact with the conductor, providing an electrical pathway to the distal electrode. Also provided are vascular access systems including hemostasis valve and a guide catheter, guide wire torquers with adjustable contacts and methods of temporarily pacing a patient's heart.

Abstract: A self-prepping ECG electrode assembly is provided. The electrode assembly includes an electrode element, an electrode stud, an abrasive member, an electrolyte gel, a cover member and a securing member. The electrode element and electrode stud are adapted to be rotatable within the electrode assembly. The electrode assembly may be used with a drive tool. The electrode assembly may be placed on the skin of a patient. The skin of the patient may be prepped for an ECG by inserting the drive tool into a bore formed in the electrode stud and turning the drive tool to achieve an oscillating rotation. In this manner the abrasive pad preps the patient's skin for the ECG procedure.

Abstract: An electrode set is disclosed that has two separable parts including an assembled base with printed circuit board basement, biasing member and top cover and an electrode. The basement and top cover may be made by metal or conductive material.

Abstract: The present invention relates to a device for securing medical leads in a cranial burr hole, in particular, for securing a brain stimulation lead within such a burr hole. The device includes a circular socket element adapted to be secured within a burr hole of the skull of a patient, the circular socket element having a through lead passage arranged to have the lead pass therethrough, the lead passage including passage walls including at least one resilient partition wall extending from an inner wall of the circular socket element, and the circular socket element having at least one inner compartment delimited by the partition wall.

Abstract: A two-part sensor (1) comprising a first part comprising a sensing device (3) which senses information, a second part comprising a receiving device (5) which receives a measure of the information, and a connector (7) comprising at least one first portion (21) which is magnetic and is attached to one of the sensing device and the receiving device, and at least one second portion (23) which is magnetizable and is attached to an other of the sensing device and the receiving device, wherein the first portion and the second portion are connectable and disconnectable to connect and disconnect the sensing device and the receiving device.

Abstract: A surgical vaporization electrode (1) including an electrode head (2) which in turn is fitted with a functional surface (6) and which is connected at a minimum of one connection site (10) to a feed conductor (3) enclosed by an insulating sheath (4), is characterized in that the surface zone (7) of the electrode head (2) surrounding the connection site (10) is fitted with a ceramic covering (8).

Abstract: In general, the disclosure is directed toward releasing material within a medical device via an optical feedthrough. A system for releasing material with a medical device comprises a cup that holds a material, wherein the cup includes a discharge port, a seal disc that seals the material within the cup, an optical feedthrough assembly coupled to the cup, a shell that defines a chamber within a medical device, wherein the optical feedthrough assembly is coupled to the shell, and a radiant energy source that shines a beam through the optical feedthrough assembly to puncture the seal disc to allow the material to enter the chamber via the discharge port.

Abstract: An electrode set is disclosed that has two separable parts including an assembled base with printed circuit board basement, biasing member and top cover and an electrode. The basement and top cover may be made by metal or conductive material.

Abstract: A patient worn medical monitoring device (10) includes a multi-channel electrical connector (18) for connecting a lead set (22) to a monitoring unit (16) is able to wirelessly transmit a patient's physiological data over a telemetric link to a receiver unit for remote monitoring purposes. The multi-channel electrical connector includes first and second connector elements (40,42) disposed on either one of the monitoring unit or lead set. The first connector element includes a plurality of rigid pins (44) disposed between a plurality of ribs (50). The second connector element includes a compressible substrate carrying flexible electrically conductive pads (46) that flex independently of one another. The connector elements to are configured to such that the pins of the first connector element electrically engage the flexible electrically conductive pads of the second connector element.

Abstract: Methods and systems for securing electrode leads are disclosed. An electrode system in accordance with one embodiment includes an electrode contact, a connector attached to the electrode contact, and an electrical lead. The electrical lead can be received in an opening of the contact, with an inner surface of the opening applying a generally uniform radial pressure around a circumference of the electrical lead. For example, the contact can have a tubular shape, optionally with an elongated slit, and can be crimped around the lead to apply the generally uniform radial pressure.

Abstract: A structure of electrically connecting a snap electrode for medical purposes is easily attached/detached to/from various monitoring pads attached to a human body to measure electrocardiogram (ECG), electromyogram (EMG), brain wave and nervous system signals and electrically connected to medical equipment, to an electric wire using a pressing method instead of welding. The connecting structure of a snap electrode and an electric wire includes a body having a convex portion, which is formed on the top of the body and has a groove formed on the circumference thereof, in which a combining part is fitted, and the combining protrusion having a ring shape and including a predetermined number of elastic fixing pieces protruded from the inner side thereof and a pair of first pressing pieces protruded from one side thereof and combined with an electric wire. A combining protrusion of a pad is inserted into the body.

Abstract: Systems and methods are provided for graphically configuring leads for a medical device. According to one aspect, the system generally comprises a medical device and a processing device, such as a programmer or computer, adapted to be in communication with the medical device. The medical device has at least one lead with at least one electrode in a configuration that can be changed using the processing device. The processing device provides a graphical display of the configuration, including a representative image of a proposed electrical signal to be applied by the medical device between the at least one electrode of the medical device and at least one other electrode before the medical device applies the electrical signal between the at least one electrode and the at least one other electrode. In one embodiment, the graphical display graphically represents the lead(s), the electrode(s), a pulse polarity, and a vector.

Abstract: An ECG lead set is described which is shielded against electrostatic charge hazards. An electrical shield (12) is located at the end of each lead (20) of the lead set and electrically shields the connection (30) of the lead set to an ECG electrode (33). The electrical shield is covered by a nonconductive cover (14) and is electrically connected to the shield of the coaxial cable (26) of the lead set.

Abstract: An electrode lead set is provided for electrical connection to a body. The electrode lead set includes a flexible ribbonized cable core extending between a proximal end portion and a distal end portion. The distal end portion includes a plurality of branch end portions that are each configured to hold an electrode. The flexible ribbonized cable core is separable into a plurality of branches that are each joined to adjacent branches by a separable interface prior to separation. Each of the plurality of branches includes a corresponding one of the branch end portions. Each of the plurality of branches includes a generally planar ribbon conductor extending along the corresponding branch from the proximal end portion of the ribbonized cable core to the corresponding branch end portion.

Abstract: Systems and methods are provided for graphically configuring leads for a medical device. According to one aspect, the system generally comprises a medical device and a processing device, such as a programmer or computer, adapted to be in communication with the medical device. The medical device has at least one lead with at least one electrode in a configuration that can be changed using the processing device. The processing device provides a graphical display of the configuration, including a representative image of a proposed electrical signal to be applied by the medical device between the at least one electrode of the medical device and at least one other electrode before the medical device applies the electrical signal between the at least one electrode and the at least one other electrode. In one embodiment, the graphical display graphically represents the lead(s), the electrode(s), a pulse polarity, and a vector.

Abstract: A return pad cable connector, in accordance with the present disclosure, for use with a disposable return pad, includes a cord having a conductive wire disposed therethrough which conductive wire interconnects the return pad cable connector to an electrosurgical energy source. The return pad further includes a connector operatively coupled to the cord, the connector having a conductive surface which is selectively engageable with a corresponding conductive surface disposed on the return pad, the conductive surface of the connector including a conductive adhesive disposed thereon and a non-conductive adhesive disposed above the periphery of the conductive surface of the connector for engagement with a corresponding non-conductive adhesive disposed above the periphery of the conductive surface of the return pad. The connector can include a magnet for magnetically coupling the connector to the conductive surface disposed on the return pad.

Abstract: Size-specific electrical connector apparatus optimized for e.g., biomedical applications, and which prevents mating to the wrong sized terminals. In one embodiment, the connector apparatus comprises device having a two piece assembly adapted pivotally engage and lock a sensor such as those used in impedance cardiography (ICG) therein. The conductor is shaped so as to provide a high degree of specificity in sensor connection as well as signal stability and reliability. In one variant, the pivot comprises a spring-loaded pivot having no external stops and the shape of a sensor engaging aperture is defined by a metal insert associated with one element of the assembly and the pivot is permanently formed within the connector. Thus, a user is obstructed from changing the properties of the connector to accept smaller or larger sensors. Methods of manufacturing and operating the connector are also disclosed.