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Hinge Health
Enso
Transcutaneous nerve stimulator for pain relief
User Manual

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Christine A Spurgeon
January 24, 2025

Where can I buy replacement gel pads for enso?

Connie Meek Sutton
February 5, 2025

I can't get my Enso to power off

Kymberly Speer
February 25, 2025

Where can I download the Enso app?

John
March 27, 2025

Device shows fully charged but shuts down after applying and starting

Summary of Contents for Hinge Health Enso

  • Page 1 Hinge Health Enso Transcutaneous nerve stimulator for pain relief User Manual...
  • Page 3: Table Of Contents

    Table of Contents Indications for Use Checking battery Warnings and Precautions Bluetooth range Introduction Gel pad care Setting Up Your Enso Troubleshooting Using Your Enso Contact Us Ending treatment Appendix A: Technical specifications Resuming treatment Appendix B: Label symbols Switching devices...
  • Page 4: Indications For Use

    Indications for Use The Hinge Health Enso device is intended for the symptomatic relief and management of chronic pain. It provides temporary relief of pain associated with sore and aching muscles stemming from strains in the shoulder, waist, back, neck, upper extremities (arms), and lower extremities (legs). Enso gel...
  • Page 6: Warnings And Precautions

    Do not apply stimulation in the presence of electronic electronic device. Such use could cause electric shock, monitoring equipment (e.g., cardiac monitors, ECG alarms), burns, electrical interference, or death. which may not operate properly when Enso is in use. › Do not use if you are pregnant. ›...
  • Page 7 › › Attach gel pads to the protective liner between uses, and Do not use with gel pads past their expiration date, which store in a clean place to avoid contamination. could cause discomfort or unpleasant sensations. › › Ensure the gel pad lays flat along the surface of the skin. Consult your doctor about the use of the stimulator if you Sweat or intense exercise/activity can cause gel pad to recently had surgery or are planning to have surgery, as...
  • Page 8 Warnings and Precautions Adverse reactions › In rare cases, you may experience skin irritation or burns beneath a gel pad applied to your skin. If you experience an adverse reaction, please stop using the device and consult your physician.
  • Page 9 Keep this device out of the reach of children. › The long-term effects of electrical stimulation › Use the device only with Enso-branded gel pads are unknown. and accessories. › Since the effects of stimulation of the brain are unknown, ›...
  • Page 10: Introduction

    Old Versions What does it feel like? Enso treatment may feel different to each user. It may feel like a light tingling sensation. At stronger intensities, it may feel like a strong tingling sensation rsions combined with a massaging sensation.
  • Page 11: Setting Up Your Enso

    › For a quick charge, charge Enso for 30 minutes. For a full charge, charge Enso for one hour. › Enso will last around 3 hours on a full charge. Solid Green Pulsing Green Pulsing Red Fully...
  • Page 12 Setting Up Your Enso Pairing Enso › Open the Hinge Health app and tap “Set Up Enso” Download the Hinge Health app on the home screen. › Enso is controlled wirelessly using the Hinge Health app › Make sure Bluetooth is enabled. If it isn’t, select “allow”...
  • Page 13 Placing the Gel Pad › Remove a gel pad from its pouch. › Position your Enso device onto the black tray of the gel pad until it attaches magnetically. › Remove the protective liner. Save the protective liner and use it to store the gel pad between uses.
  • Page 14: Using Your Enso

    Recommended treatment time For optimal results, use Enso for at least 1 hour per session. Studies show that using Enso for at least 1 hour a day provides effective relief. Experiment with placement and usage times to find what works best for you.
  • Page 15: Ending Treatment

    Note: always stop treatment before removing the gel pad to prevent uncomfortable stinging Battery status The current battery status of Enso is displayed at the bottom right of the treatment control screen.
  • Page 16: Resuming Treatment

    Using your Enso During treatment After starting a treatment session, you can go about your normal daily activities. Enso may be worn under clothing or exposed. It is not waterproof, so do not shower, bathe, or swim while wearing Enso. Resuming treatment Enso is designed to pause treatment if the gel pad or Enso device becomes disconnected during treatment.
  • Page 17: Switching Devices

    Switching devices If you receive a replacement Enso, you can switch to the new Enso device by tapping on the menu (i.e., three lines) located on the top right of the treatment control switch devices screen. From the menu, tap .
  • Page 18: Storing The Gel Pad

    Checking battery level, when not on charger Place a gel pad onto its protective liner between uses to Press the gray power button on top of Enso to check the preserve its life and to prevent contamination by dirt or dust.
  • Page 19: Bluetooth Range

    Bluetooth range Power button Enso has a Bluetooth range of around 30 feet depending Press the power button to pair Enso with on environment and radio interference. If your iPhone or the Hinge Health app or to stop treatment. Android device is out of your Enso device’s range during treatment, treatment will continue but the Hinge Health app controls will be suspended until your device is back in range.
  • Page 20: Troubleshooting

    Also, in your phone settings, please make sure that Bluetooth is turned on. If This indicates that Enso has poor contact with the gel pad that doesn’t work, please contact us at help@hingehealth. or the gel pad is not fully adhered to your skin. Make sure com.
  • Page 21 Always make sure Enso is completely dry before starting treatment. Do not allow Enso to get wet or immersed in water or any other liquid. If your Enso device has been immersed, do not attempt to continue using it. Please contact support at help@hingehealth.com.
  • Page 22 THE POSSIBILITY OF SUCH DAMAGES. EXCEPT TO THE EXTENT REQUIRED BY LAW, HINGE HEALTH’S LIABILITY ARISING FROM USE OF OR INABILITY TO USE ENSO WILL AT ALL TIMES BE LIMITED TO THE GREATER OF $100.00 OR THE AMOUNT PAID BY THE USER FOR THE DEVICE.
  • Page 23: Contact Us

    Contact Us help@hingehealth.com Hinge Health 455 Market Street Suite 700 San Francisco, CA 94105 (855) 902-2777 hingehealth.com/enso...
  • Page 24: Appendix A: Technical Specifications

    Maximum Average Current: 2.33mA into 500Ω load Line Current Isolation: Treatment is not possible during › Maximum Average Power Density: 3.6mW/cm2 into 500Ω charging because the Enso device must be disconnected load from the gel pad while it is charging.
  • Page 25 Environmental Gel pads › › Temperature, Operating: 5° C to 40° C Type: Self-adhering, single-patient use, multiple applications › Temperature, Transport and Storage: 5° C to 45° C (device); › 5° C to 27° C (gel pads) Materials: Hydrogel; silver ink; polyester film; cotton fabric ›...
  • Page 26: Appendix B: Label Symbols

    Appendix B: Label Symbols Temperature limits Read user manual (Store and use between specified temperatures) Type BF applied part Relative humidity limits Shelf life Atmospheric pressure limits Ingress Protection rating Manufacturer Non-sterile Class 2 equipment Immunity test / RF transmitters Warnings and cautions Serial number Part number...
  • Page 27 WEEE (Waste Electrical and Electronic Equipment) This symbol on the product means that used electrical and electronic products should not be mixed with general household waste, according to the Waste Electrical and Electronic Equipment (WEEE) Directive (2002/96/EC). For proper treatment, recovery, and recycling, please take this product to designated collection points, where it will be accepted free of charge.
  • Page 28: Appendix C: Radio Information

    Appendix C: Radio Information Enso device is FCC ID: 2AQLG-40895051 This device complies with part 15 of FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation of the device.
  • Page 29: Appendix D: Electromagnetic Compatibility

    Appendix D: Electromagnetic Compatibility Guidance and manufacturer’s declaration—electromagnetic emissions This device is intended for use in the electromagnetic environment specified below. The user of the device should assure that it is used in such an environment. Emission test Electromagnetic environment–guidance The device uses RF energy only for its internal functioning.
  • Page 30 Guidance and manufacturer’s declaration—electromagnetic immunity This device is intended for use in the electromagnetic environment specified below. The user of the device should assure that it is used in such an environment. Immunity test Electromagnetic environment–guidance Electrostatic discharge ±6 kV Floors should be wood, concrete, or ceramic tile.
  • Page 31 Appendix D: Electromagnetic Compatibility Immunity test Electromagnetic environment–guidance Portable and mobile RF communications equipment should be 3 Vrms Conducted RF IEC61000- used no closer to any part of the device, including cables, than the 150 kHz to recommended separation distance calculated from the equation 80 MHz applicable to the frequency of the transmitter.
  • Page 32 Note 1: At 80 MHz and 800 MHz, the higher frequency range applies. Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects, and people. A. Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur radio, AM and FM radio broadcast, and TV broadcast cannot be predicted theoretically with accuracy.
  • Page 33 Appendix D: Electromagnetic Compatibility Recommended separation distances between portable and mobile RF communications equipment and the device The device is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the device can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the device as recommended below:...
  • Page 34 Recommended separation distances between portable and mobile RF communications equipment and the device (continued) For transmitters rated at a maximum output power not listed above, the recommended separation distance (d) in meters (m) can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer.
  • Page 35: Appendix E: Parts And Accessories

    Appendix E: Parts and Accessories The following are the parts and accessories included with Enso. Please use these part numbers when requesting replacements. Part Part number Enso Device 100-365 Standard Gel Pad 100-276 Large Gel Pad 100-252 Charger 100-366 AC Adapter...
  • Page 36 PN 100-441...

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