US20220015681A1 - Wearable apparatus and method for monitoring medical properties - Google Patents

Wearable apparatus and method for monitoring medical properties Download PDF

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Publication number
US20220015681A1
US20220015681A1 US17/292,472 US201917292472A US2022015681A1 US 20220015681 A1 US20220015681 A1 US 20220015681A1 US 201917292472 A US201917292472 A US 201917292472A US 2022015681 A1 US2022015681 A1 US 2022015681A1
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United States
Prior art keywords
electrical circuit
wearable device
members
conductive
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
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US17/292,472
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English (en)
Inventor
Israel Sarussi
Johanan May
Arik Ben Ishay
Refael Gil Koby
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Biobeat Technologies Ltd
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Biobeat Technologies Ltd
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Priority to US17/292,472 priority Critical patent/US20220015681A1/en
Assigned to Biobeat Technologies Ltd. reassignment Biobeat Technologies Ltd. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BEN ISHAY, ARIK, KOBY, REFAEL GIL, MAY, JOHANAN, SARUSSI, ISRAEL
Publication of US20220015681A1 publication Critical patent/US20220015681A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/251—Means for maintaining electrode contact with the body
    • A61B5/257—Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0531—Measuring skin impedance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/263—Bioelectric electrodes therefor characterised by the electrode materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/333—Recording apparatus specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/339—Displays specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2503/00—Evaluating a particular growth phase or type of persons or animals
    • A61B2503/40—Animals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04—Constructional details of apparatus
    • A61B2560/0443—Modular apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/22—Arrangements of medical sensors with cables or leads; Connectors or couplings specifically adapted for medical sensors
    • A61B2562/225—Connectors or couplings
    • A61B2562/227—Sensors with electrical connectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A61B5/282—Holders for multiple electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]

Definitions

  • the present disclosure generally relates to wearable devices, and more particularly relates to wearable devices for monitoring medical properties of patients.
  • An electrocardiogram is a tool used by physicians to diagnose heart problems and other potential health concerns. Diagnostic efficacy of problems, like syncope or cardiac arrhythmias, can be improved through the use of long-term extended wear ECG monitoring. Recording sufficient ECG and related physiological data over an extended period of time remains a significant challenge to healthcare providers, despite over a 40-year history of such efforts. Extended period monitoring essentially enables a physician to identify cardiac conditions, specifically, rhythm disorders, and other physiological events of potential concern.
  • dislodgment may occur unbeknownst to the patient, making the ECG recordings worthless
  • Such replacement or slight alteration in electrode location actually facilitates the goal of recording the ECG signal for long periods of time.
  • a wearable device for monitoring medical properties of a patient comprising a body, comprising multiple light-weight disposable members, one or more electrodes located on a bottom surface of the multiple light-weight disposable members, wherein the one or more electrodes are configured to be in physical contact with a patient's skin and configured to collect electrical information from the patient's skin, an electrical circuit placed inside a housing, said housing is secured to an upper side of the multiple light-weight disposable members, said electrical circuit is configured to analyze the electrical information collected by the one or more electrodes, one or more conductive members, each conductive member of the one or more conductive members having a proximal side connected to the one or more electrodes and a distal side connected to the housing of the electrical circuit, and a connecting member coupled to lateral surface or top surface of the housing of the electrical circuit, configured to secure the electrical circuit to the body.
  • the electrical information collected from the patient's skin comprises ECG-related information.
  • the electrical circuit is configured to process the electrical information.
  • the wearable device of claim 1 further comprises a housing for storing the electrical circuit, wherein the electrical circuit is configured to display ECG-related information on a top surface of the housing based on the electrical information collected from the patient's skin.
  • the bottom surface points towards the patient's skin when in use.
  • the light-weight disposable members are made of a material selected from a group comprising fabric, paper, Low Density Polyethylene, Polyethylene terephthalate, Polyurethane, polyester, silicone, nonwoven fabric and a combination thereof.
  • the wearable device of claim 1 further comprising a two-side conductive passageway between the one or more electrodes located on the bottom surface of the light-weight disposable members and the electrical circuit is located upwards from the light-weight members.
  • the light-weight disposable members are manufactured using a printing technology.
  • the connecting member is secured to the light-weight disposable members from a bottom section of the light-weight disposable members.
  • the electrical circuit comprises a bottom section comprises a bottom surface and a secondary surface, said secondary surface forms a specific form in the bottom section, wherein the form is configured to sit inside a niche in the connecting member.
  • the multiple light-weight disposable members are connected to a rigid frame that surrounds a void, wherein the void is configured to accommodate the bottom surface of the electrical circuit. In some cases, the multiple light-weight disposable members are foldable relative to the rigid frame using an elastic connector configured to physically secure the multiple light-weight disposable members to the rigid frame.
  • the rigid frame comprises a frame bottom surface configured to be connected to the one or more conductive members that pass electrical information from the one or more electrodes and a frame top surface comprising one or more conductive areas configured to be secured to connectors connected to the housing of the electrical circuit.
  • the conductive fluid comprises conductive ink.
  • the one or more conductive members are connected to a bottom side of the one or more conductive areas, said bottom side of the one or more conductive areas comprises multiple apertures enabling passage of the conductive fluid as elaborated above.
  • the housing of the electrical circuit comprises one or more connectors configured to be secured to the one or more conductive members that pass the electrical information from the one or more electrodes.
  • the one or more connectors connect on one end to the housing of the electrical circuit and on another end to the one or more conductive members connected to the electrode.
  • the connecting member secures the housing of the electrical circuit to the body only when electrical conductivity is enabled between the one or more connectors and the one or more conductive members.
  • the connecting member comprises a plurality of holders secured to a lateral surface or a top surface of the electrical circuit.
  • the plurality of holders comprise an elastic section, wherein the elastic section is tensed when the plurality of holders move away from the connecting void.
  • the light-weight disposable members comprise a distal side and a proximal side, said proximal side is narrower than the distal side, thereby forming lateral voids between the light-weight disposable members.
  • FIG. 1 discloses a top view of the wearable apparatus, according to exemplary embodiments of the subject matter
  • FIGS. 2A-2B show a top view and a bottom view of the electrical circuit, according to exemplary embodiments of the subject matter
  • FIG. 3A shows a top view of a sensor module that comprises the multiple light-weight members, according to exemplary embodiments of the subject matter
  • FIG. 3B shows a bottom view of a sensor module that comprises the multiple light-weight members and the electrode, according to exemplary embodiments of the subject matter
  • FIG. 3C shows a zoom-in of the conductive area, according to exemplary embodiments of the subject matter
  • FIG. 4 shows a connecting member comprises multiple holders, according to exemplary embodiments of the subject matter
  • FIG. 5 shows a bottom view of the wearable apparatus when assembled, according to exemplary embodiments of the subject matter
  • FIGS. 6A-6B show a top view and a bottom view of the sensor module and the connecting module disassembled, according to exemplary embodiments of the subject matter
  • FIGS. 7A-7B show a top view and a bottom view of the sensor module and the connecting module assembled, according to exemplary embodiments of the subject matter.
  • FIG. 8 shows a method for assembling a wearable device, according to exemplary embodiments of the subject matter.
  • the present invention discloses a wearable device for monitoring medical properties of a patient, either a person or animal.
  • the wearable device comprises one or more electrodes configured to be secured and attached to the patient's skin and an electrical circuit connected to the one or more electrodes.
  • the one or more electrodes are configured to collect electrical information from the patient's skin, for example ECG-related information such as blood pressure and the like.
  • the one or more electrodes are an optional embodiment for the wearable device of the disclosed subject matter.
  • the wearable device may comprise a camera or any other type of sensor configured to collect medical information from the patient's skin.
  • the sensor may comprise a light emitter for emitting light towards the patient's skin and a collector for collecting the reflections from the patient's skin.
  • the electrical information may include voltage, frequency, amplitude, conductivity and the like.
  • the electrical information is passed to the electrical circuit via a conductive member connected to the one or more electrode.
  • the electrical circuit may transmit the electrical information to a remote device.
  • the electrical circuit may process the electrical information and display ECG-related information such as blood pressure, trends and the like.
  • the wearable device of the subject matter comprises a body having multiple light-weight disposable members.
  • the one or more electrodes are physically attached to the multiple light-weight members.
  • the multiple light-weight disposable members are configured to be secured to the patient's skin.
  • the conductive member is attached to a bottom surface of the light-weight member and then connects to the electrical circuit, via a housing of the electrical circuit. This way, the electrical circuit is isolated from the patient's skin and the user's experience is improved.
  • FIG. 1 discloses a top view of the wearable apparatus, according to exemplary embodiments of the subject matter.
  • the wearable apparatus 100 comprises electrical circuit 140 connected to a plurality of light-weight members 110 , 112 , 115 and 118 . At least a portion of the plurality of light-weight members 110 , 112 , 115 and 118 is attached to an electrode on the bottom surface, said bottom surface points towards the patient's skin when in use.
  • the bottom surface may be defined as an opposite direction from the electrical circuit 140 .
  • the light-weight members 110 , 112 , 115 and 118 may be made of fabric, or another light weight material selected from a group comprising cotton, paper, LDPE foil (Low Density Polyethylene), PET (Polyethylene terephthalate) foil, PU (Polyurethane) foil, polyester, silicone, nonwoven fabric, and a combination thereof.
  • the light-weight members 110 , 112 , 115 and 118 may be multiple light-weight disposable members, while the electrical circuit is used multiple times.
  • the two-side conductive passageway may also be defined as an electrical circuit board, such as a PCB, having circuitry in a both layers, a first layer facing the electrodes, and a second layer facing the electrical circuit 140 .
  • the conductive material such as the conductive ink, moves electrical signals between the first layer and the second layer.
  • the light-weight disposable members 110 , 112 , 115 and 118 as disposable items also encourages manufacturing the light-weight disposable members 110 , 112 , 115 and 118 using printing technology, to reduce manufacture costs.
  • printing technology may be screen (silk) printing, hot stamping, laser printing, offset printing, pad (tampon) printing and the like.
  • the conductive element is attached to the bottom surface of the electrical circuit 140 , and is connected to the electrode, as elaborated below.
  • the light-weight disposable members 110 , 112 , 115 and 118 may be manufactured using laser engraving, forming the conductive members in the middle of the light-weight disposable members 110 , 112 , 115 and 118 .
  • the light-weight disposable members 110 , 112 , 115 and 118 may also be manufactured using mechanical press.
  • the wearable apparatus 100 comprises some light-weight members that are not secured to one or more electrodes.
  • light-weight members 110 and 115 are connected to one or more electrodes
  • light-weight members 112 and 118 are not connected to electrodes and are part of the wearable apparatus 100 to improve grasping the apparatus 100 around the user's limb, for example the user's arm or leg.
  • the wearable apparatus 100 also comprises a connecting member configured to secure the electrical circuit 140 to the light-weight members 110 , 112 , 115 and 118 , thus securing the electrical circuit 140 to the conductive element that transfers the electrical information from the electrodes.
  • the connecting member comprises multiple holders 130 , 132 , 135 and 138 configured to secure the housing of the electrical circuit 140 .
  • the multiple holders 130 , 132 , 135 and 138 may be secured to a lateral surface of the electrical circuit 140 or to a top surface of the electrical circuit 140 .
  • the connecting member is secured to the light-weight members 110 , 112 , 115 and 118 from the bottom section of the light-weight members 110 , 112 , 115 and 118 , thus securing the housing of the electrical circuit 140 to the light-weight members 110 , 112 , 115 and 118 .
  • the multiple holders 130 , 132 , 135 and 138 may be made of a first holder member, which enables moving the holders away from the housing of the electrical circuit 140 when removing and securing the housing of the electrical circuit 140 on the connecting member.
  • the first member may be located on the bottom side of the multiple holders 130 , 132 , 135 and 138 , closer to the light-weight members 110 , 112 , 115 and 118 .
  • the multiple holders 130 , 132 , 135 and 138 may comprise a second member connected to the first member, said second member is more rigid and secures the electrical circuit 140 between the multiple holders 130 , 132 , 135 and 138 .
  • FIGS. 2A-2B show a top view and a bottom view of the electrical circuit, according to exemplary embodiments of the subject matter.
  • the electrical circuit has a lateral surface 210 , a top surface 220 and a bottom surface 260 .
  • the top surface 220 is accessible to the patient or medical professional, and may comprise an activation button 230 , a display unit, a socket for connecting a cable to a display unit or another device and the like.
  • the bottom section of the electrical circuit interfaces with the conductive element that transfers the electrical information from the electrodes.
  • the bottom section comprises the bottom surface 260 and a secondary surface 270 that forms a specific form in the bottom surface. The form is configured to sit inside a niche in the connecting member, as elaborated below.
  • the secondary surface 270 comprises one or more connectors 245 , 250 configured to be secured to the conductive elements that pass the electrical information from the electrodes.
  • the one or more connectors 245 , 250 transfer the electrical information from the conductive elements into the electrical circuit located inside the housing.
  • the one or more connectors 245 , 250 may be pins, such as pogo pins, or a conductive surface, or a conductive spring leaves that connect on one end to the electrical circuit and on another end to the conductive members connected to the electrode.
  • the one or more connectors 245 , 250 are configured to be in physical contact with conductive areas 330 , 332 of the top surface of the rigid frame 310 disclosed in FIG. 3 .
  • the holders firmly secure the housing of the electrical circuit 140 to the body of the wearable device only when electrical conductivity is enabled between the one or more connectors 245 , 250 and the conductive areas 330 , 332 of the top surface of the rigid frame, said conductive areas are the output point of the conductive members that transfer electrical information from the one or more electrodes.
  • the housing of the electrical circuit may be placed in a lower height, closer to the rigid frame, when the one or more connectors 245 , 250 are in physical contact with the conductive areas 330 , 332 . The lower height of the housing of the electrical circuit enables firm secure of the holders.
  • the electrical circuit may comprise a memory unit configured to store a set of instructions, for example instructions configured to convert the electrical information collected by the electrodes into signals that represent medical information.
  • the electrical circuit comprises a processing module configured to control the process of converting the electrical information into signals and may also perform more advanced processes, such as identifying trends in the collected medical information, identifying irregularities in the medical information and the like.
  • the electrical circuit may be implemented as a printed circuit board or in any other manner in which electrical components are arranged in a predefined volume, as desired by a person skilled in the art.
  • FIG. 3A shows a top view of a sensor module that comprises the multiple light-weight members, according to exemplary embodiments of the subject matter.
  • the sensor module 300 comprises one or more electrodes (not shown) located on a bottom surface of the one or more light-weight members. For example, one electrode is located at the bottom of each light-weight member.
  • the multiple light-weight members 335 , 345 , 355 , 365 are all connected to a rigid frame 310 that surrounds a void 340 .
  • the void 340 is configured to accommodate the bottom surface 260 of the electrical circuit, while the secondary surface 270 resides on top of the rigid frame 310 .
  • the multiple light-weight members 335 , 345 , 355 , 365 may be folded relative to the rigid frame 310 using an elastic connector configured to physically secure the multiple light-weight members 335 , 345 , 355 , 365 to the rigid frame.
  • the connector 350 secures the light-weight member 355 to the rigid frame 310 .
  • the rigid frame 310 is not fully surrounded by the connectors.
  • lateral void 320 is provided between light-weight members 335 and 365 . The void is configured to accommodate the holders of the connecting member.
  • the rigid frame 310 comprises one or more conductive areas, such as conductive areas 330 and 332 .
  • the conductive areas 330 and 332 have a first side located on a frame top surface of the rigid frame 310 and a second side located on the frame bottom surface of the rigid frame 310 .
  • the second side located on the bottom surface of the rigid frame 310 is configured to be connected to the conductive members that pass electrical information from the electrodes.
  • the first side of the conductive areas is configured to be secured to the one or more connectors 245 , 250 , that are connected to the electrical circuit.
  • the conductive areas 330 and 332 are configured to pass the electrical information from the conductive members to the one or more connectors 245 , 250 of the electrical circuit.
  • Electrical information is passed from the first side of the conductive areas 330 and 332 to the second side using one or more apertures configured to contain a conductive fluid, for example conductive ink.
  • the conductive ink may comprise ink mixed with silver, or any other metal.
  • Other conductive fluids may be selected by a person skilled in the art.
  • the one or more apertures enabling passage of the conductive fluid may be in the width of 0.05-0.4 millimeters, throughout the entire depth of the rigid frame 310 .
  • FIG. 3B shows a bottom view of a sensor module that comprises the multiple light-weight members and the electrode, according to exemplary embodiments of the subject matter.
  • the light-weight member 370 may be made of fabric, paper, polyethylene or any other light weight and collapsible material. Some examples to materials that can be used to manufacture the light-weight member 370 include thermoplastic elastomers, thermostatic elastomers, polyethylene sheets, polyester sheets, nonwoven fabric, PVC sheets, silicon sheets, wooden logs, paper sheets, LDPE, kapton sheets, sheets made of organic non-conductive materials, sheets for in-mold technology and a combination thereof.
  • the light-weight member 370 have one or more pores enabling passage of the conductive material from the first layer to the second layer.
  • An electrode 372 is attached to the bottom surface of the light-weight member 370 .
  • a conductive member 375 is connected to the electrode 372 .
  • the conductive member 375 is not in physical contact with the patient's skin.
  • the conductive member 375 is connected to the bottom side 390 of the conductive area.
  • the bottom side 390 comprises multiple apertures enabling passage of the conductive fluid as elaborated above.
  • FIG. 3C shows a zoom-in of the conductive area, according to exemplary embodiments of the subject matter.
  • FIG. 3C shows three apertures 380 , 382 and 385 , that extend from the bottom surface of the conductive area to the top surface of the conductive area.
  • FIG. 4 shows a connecting member comprises multiple holders, according to exemplary embodiments of the subject matter.
  • the connecting member 400 is configured to connect the electrical circuit to the light-weight members and secure the housing of the electrical circuit in place.
  • the connecting member 400 comprises a connecting plate 420 configured to be secured to a bottom surface of the rigid frame 310 of the sensor module 300 .
  • the connecting member 400 is secured to the sensor module 300 from the bottom direction of the sensor module 300 , while the housing of the electrical circuit is secured to the sensor module 300 from the upward direction of the sensor module 300 .
  • the upward direction may be defined as the side from which the electrodes are not seen.
  • the connecting plate 420 has a connecting void 440 therein.
  • the connecting void 440 may have substantially the same size and shape as the void 340 of the sensor module 300 .
  • the connecting void 440 may have a depth defined by the inner sidewalls 430 of the connecting plate 420 .
  • the connecting void 440 may have a higher depth than the depth of the void 340 of the sensor module 300 .
  • the connecting void 440 and the void 340 are configured to accommodate the bottom section of the housing of the electrical circuit, defined by the bottom surface 260 .
  • the connecting member 400 also comprises a plurality of holders 410 , 412 , 415 and 418 , configured to secure the housing of the electrical circuit to the rigid frame of the sensor module 300 .
  • the plurality of holders 410 , 412 , 415 may be movable, for example move away from the center of the connecting void 440 when the housing is secured to the sensor module 300 , or when the housing is removed therefrom.
  • the plurality of holders 410 , 412 , 415 may be made of plastics or metal, and may comprise an elastic section, such as a spring, which is tensed when the holders move away from the connecting void 440 .
  • Said elastic section pushes the plurality of holders 410 , 412 , 415 back towards the center of the connecting void 440 , thus securing the housing of the electrical circuit in place.
  • the plurality of holders 410 , 412 , 415 move back into position only when there is electrical conductivity between the electrical circuit and the conductive element that carries the electrical information detected by the electrodes.
  • FIG. 5 shows a bottom view of the wearable apparatus when assembled, according to exemplary embodiments of the subject matter.
  • the wearable apparatus comprises the electrical circuit embodied in a housing secured to the sensor module using a connecting member.
  • FIG. 5 shows a bottom surface 555 of the housing.
  • the bottom surface 555 is configured to be inserted into the connecting void of the connecting member as shown above.
  • the connecting void is defined by frame 560 , included in at least the sensor module.
  • the wearable apparatus comprises multiple light-weight members 520 , 522 , 525 and 528 . At least some of the light-weight members 520 , 522 , 525 and 528 are attached to an electrode in the bottom surface thereof, for example using biocompatible adhesive material, stitching, hooks and loops and the like.
  • light-weight member 528 is attached to electrode 540 and light-weight member 522 is attached to electrode 545 .
  • the light-weight members leave lateral voids in the circumference of the frame from which the light weight members extend away from the frame's void.
  • the lateral voids are consumed by a plurality of holders 510 , 512 , 515 and 518 configured to secure the housing in place.
  • lateral void 570 is formed between light-weight member 522 and light-weight member 520 , facilitating passage for holder 510 .
  • lateral void 572 is formed between light-weight member 522 and light-weight member 525 , facilitating passage for holder 512
  • lateral void 575 is formed between light-weight member 525 and light-weight member 528
  • lateral void 578 is formed between light-weight member 528 and light-weight member 520 , facilitating passage for holder 518 .
  • the light-weight members comprise a proximal side which is narrower than the distal side. For example, proximal side 535 of the light-weight member 520 .
  • FIGS. 6A-6B show a top view and a bottom view of the sensor module and the connecting module disassembled, according to exemplary embodiments of the subject matter.
  • the top view shown in FIG. 6A discloses the four light-weight members, such as member 620 , connected to the rigid frame 625 .
  • the rigid frame 625 comprises conductive areas 640 and 645 , configured to be electrically coupled to the conductive elements 650 , 655 .
  • the conductive elements 650 , 655 are attached to the bottom surface of the light-weight members, in a manner that the patient is not in physical contact with the conductive elements 650 , 655 when the wearable apparatus is placed on the patient's skin.
  • the electrical information is collected by the electrodes 622 , 623 , transferred via the conductive elements 650 , 655 towards the conductive areas 640 and 645 , and to the electrical circuit that processes the electrical information or passes the electrical information to a device that processes the electrical information.
  • the conductive elements 650 , 655 are in proximity to the bottom surface of the rigid frame 660 .
  • the connecting frame of the connecting member 610 secures the conductive elements 650 , 655 between the connecting frame and the rigid frame 660 .
  • the light-weight members have a distal side 611 of light weight member 613 , and proximal side 612 , located closer to the rigid frame 625 .
  • the proximal side 612 of the light weight member 613 is narrower than the distal side 611 , leaving lateral voids such as 641 , 642 that are consumed by the holders, such as holder 615 of the connecting member 610 .
  • FIGS. 7A-7B show a top view and a bottom view of the sensor module and the connecting module assembled, according to exemplary embodiments of the subject matter.
  • FIG. 7A shows a plurality of light-weight members 710 , 712 , 715 and 718 , having therein the conductive members.
  • the sensor module is attached to the connecting member having a plurality of holders 720 , 722 , 725 and 728 .
  • FIG. 7B shows two electrodes 740 , 745 attached to the bottom surface of the light-weight members 710 and 715 , respectively.
  • FIG. 8 shows a method for assembling a wearable device, according to exemplary embodiments of the subject matter.
  • Step 810 discloses obtaining a sensor module, an electrical circuit embodied in a housing and a connecting member.
  • the sensor module comprises one or more electrodes configured to collect electrical information from a patient's skin and pass the electrical information via a conductive element attached to the bottom surface of the light-weight member.
  • the connecting member comprises a void configured to accommodate the bottom section of the housing of the electrical circuit and holders configured to secure the housing to the sensor module.
  • Step 820 discloses securing the connecting member at a bottom side of the sensor module, thus securing the conductive elements.
  • the conductive elements are secured between the frames of the sensor module and the connecting member, and pass electrical information via the conductive areas of the frame of the sensor module.
  • the connecting member may be secured to the sensor module using mechanical clips.
  • the connecting member secures only the housing of the electrical circuit, which electrically couples to the sensor module. Thus, the coupling of the housing and the sensor module form the connection between the connecting member and the sensor module.
  • Step 830 discloses mounting the housing from the top section of the sensor module, secured by the holders of the connecting member.
  • the holders are maneuvered away from the center of the void when placing the housing thereon. Then, the elastic member of the holders pushes the holders on the lateral surface of the housing.
  • Step 840 discloses verifying electrical coupling between the conductivity members and the electrical circuit inside the housing. Such verifying may be performed by receiving an indication from the electrical circuit that electrical information is provided from the electrodes in a sufficient manner.
  • the sufficient manner may be defined by predefined rules stored in the memory unit of the electrical circuit, for example receiving signals having properties in a predefined range.

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  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
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