OSTO AST-300H Instruction Manual

OSTO AST-300H Instruction Manual

Electrical foot massager and nerve stimulator

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Electrical Foot Massager and
Nerve Stimulator
(Version: V2.0)
Shenzhen OSTO Technology Company Limited
No.43,Longfeng Road,Xinsheng Community,Longgang Street,
Longgang District, 518116 Shenzhen City, Guangdong Province,China.
Email: osito_info@163.com
AST-300H
Consult instructions for use

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Gérald Piché
July 10, 2025

On Wath mode for restless legs

Brenda Lankford
April 11, 2025

How can I do a hard reset on device? The feet light up but I can’t get the massage or mode buttons to work

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Shaun McDonagh
February 16, 2025

What is the best mode for plantar fasiatis.

Summary of Contents for OSTO AST-300H

  • Page 1 Electrical Foot Massager and Nerve Stimulator AST-300H (Version: V2.0) Shenzhen OSTO Technology Company Limited Consult instructions for use No.43,Longfeng Road,Xinsheng Community,Longgang Street, Longgang District, 518116 Shenzhen City, Guangdong Province,China. Email: osito_info@163.com...
  • Page 2: Table Of Contents

    CONTENT Foreword ..........................3 1. DEVICE DESCRIPTION......................4 1.1 General Description of the Device ................4 1.2 Device Drawing ......................4 1.3 Device Components....................1.4 Panel & Keypad ......................1.5 Treatment Modes ..................... 1.6 Specifications......................2. SAFETY GUIDE ........................2.1 Intended Use & Indications for Use ............... 2.2 Special Population ....................
  • Page 3: Foreword

    Foreword Thank you for purchasing our product. Before using, please carefully read the Instruction Manual of Electrical Foot Massager and Nerve Stimulator, especially the SAFETY GUIDE, so that you can operate it correctly. The Instruction Manual should be properly kept for your reference at any time. General Principles Transcutaneous electrical nerve stimulation (TENS) is a non-invasive analgesic technique that is used to relieve pain.
  • Page 4: Device Description

    1. DEVICE DESCRIPTION 1.1 General Description of the Device Electrical Foot Massager and Nerve Stimulator is a portable multifunctional device powered by adapter, offering both Transcutaneous Electronic Nerve Stimulator (TENS) and Powered Muscle Stimulator (PMS). Electrical Foot Massager and Nerve Stimulator has 25 operation modes, which can give certain electrical pulse through 4 electrode pads placed on the skin to help users to enjoy body stimulation and 2 big electrode pads in Electrode Silicon Area for feet placed on the main unit to help users to enjoy sole stimulation, as well as certain non-electrical rolling massage through one...
  • Page 5 Adapter wire jack Left View of Device Electrode wires jack Right View of Device Back View of Device Page 5 of 37...
  • Page 6: Device Components

    1.3 Device Components 1.3.1 Main Unit 1.3.2 Accessories 1. LCD Screen 2. Foot Conductive Rubbers 3. Button 4. Handle 5. Electrode wires X 2 6. Electrode pads X 4 7. Power adapter X 1 8. Remote controller X 1 Page 6 of 37...
  • Page 7: Panel & Keypad

    1.4 Control Panel & Keypad Explanation and operating instructions of the LCD panel and keypad of Main Unit and keypad of Remote Controller are as followings: LCD panel and keypad of Main Unit Selected Mode Remaining Time TIME MODE MANUAL AUTOMATIC Output Intensity of Body Output Intensity of Foot...
  • Page 8 EXPLANATION OF BUTTONS Button Function Description Main Unit Remote Controller Press the on the button about 0.6s on the main unit to switch on or off the stimulator Or press the ON/OFF remote controller to switch on or off the stimulator immediately ON/OFF When the stimulator is firstly switched on, it starts atMode 1, Intensity 0by default.
  • Page 9: Treatment Modes

    Button Function Description Main Unit Remote Controller Press the button to increase the intensity of electrode pads. When the stimulator is firstly switched on, it starts at Mode 1 with the intensity 0. When other mode is selected, the BODY▲ BODY▲...
  • Page 10: Specifications

    1.6 Specifications Model number: AST-300H according to Clause 5. Wellkang Ltd SuiteB,29 Harley Street, LONDON W1G 9QR, England,United Kingdom HSMA05U-050100/HSMA05E-050100/HSMA05B-050100 10 – 40 ℃ 0 – 40 ℃ 0413 30% RH ~ 75%RH 860 hPa to 1060 hPa 860 hPa to 1060 hPa Basic Unit Characteristics Adaptor Input: 100-240Vac, 50-60Hz, 0.2-0.05A...
  • Page 11 Basic Unit Characteristics Foot Conductive Rubber: PP ( PP conductive plastic) Red Transparent Plastic: ABS Plastic Small Electrode Pads: white silica gel, black Accessories Materials conductive silicone, transparent conductive adhesive silicone, transparent PET silicone AC Adapter Housing: ABS plastic Remove Controller: ABS plastic Sole Massage Roller: ABS plastic Output Specification Waveform and Shape...
  • Page 12 Output Specification 440μs Pulse Duration and Pulse Cycle 25 Modes Description MODE Pattern Accupuncture Pushing Accupuncture Accupuncture Kneading Accupuncture Tapping Scrapping Squeezing Massage Pushing Massage Pushing Squeezing Accupuncture Squeezing Accupuncture Hammering Kneading Thumping Scrapping Pressing Cupping Body Shaping Hammering Massage Tapping Pushing Rolling Pounding Massage Shiatsu...
  • Page 13: Safety Guide

    2. SAFETY GUIDE Please carefully read the whole Instruction Manual before you use Electrical Foot Massager and Nerve Stimulator (Common name: electronic stimulator, hereafter referred to as the stimulator) for better understanding the working principle of this product. If you are unsure whether a medical condition should preclude you from using the device, please consult your physiotherapist, osteopath, or medical practitioner.
  • Page 14 If you have undergone any medical or physical treatment for your pain, please consult your physician before using the stimulator. If your pain is not relieved, becomes severe, or continues for more than five days, please stop using the stimulator and consult your physician. Do not put the electrodes on the side or front of the neck because such action could cause severe muscle spasms resulting in closure of the airway, difficulty in breathing, or adverse effects on heart rhythm or blood pressure.
  • Page 15: Precautions

    lying down while stimulating the lower body. 28. Please consult your physician before use: If you have any serious illness or injury not mentioned in this guide. If you are taking insulin for diabetes. If you are using the device as part of a rehabilitation program. If you have a tendency to bleed internally following an injury.
  • Page 16: Adverse Reactions

    16. Do not apply pads on the same spot for over 25 minutes at a time . 17. Do not use the product in the condition of air mixed with flammable gases. 18. Never use this product near a microwave oven or other high frequency equipment. 19.
  • Page 17 3. Find a comfortable seat and place your bare feet on the foot conductive rubber. Note: please make sure you remove all footwear, no any socks or stockings. FOOT 4. Press the ON/OFF button on the device about 0.6 seconds or press the on remote controller to turn on the electronic stimulator.
  • Page 18 3. Place the electrode pads on the body parts where you want to treat (see 3.2 for details). Warning: To avoid an electrical shock, do not put two electrode pads overlap or put only small part of your foot on the foot conductive rubbers. Do NOT use the electrode pads on your head, face, front neck or chest.
  • Page 19 If you feel pain or discomfort, please do as below:  Remove one or both feet from the foot conductive rubbers to stop the stimulation.  Press “FOOT▼” button on the control panel or remote controller to decrease the intensity level, then re-put your feet on OSITO to use it again.
  • Page 20: Electrode Pads Guidelines

    3.2 Instructions for Electrode Pads Only use the electrode pads supplied by the manufacturer; other electrode pads may have a risk of unsuitable electrical characteristics with your stimulator. The side of electrode pad is 88mm × 58mm × 3.2mm, 50.04 cm Do not use the electrode pads on different people.
  • Page 21 Usage Figure Note Stimulate Muscle at Arm  Apply the both electrode pads on one arm.  It is intended to stimulate healthy muscles in order to improve and facilitate muscle performance of the arm.  For 25 minutes; twice or 3 times a day . Stimulate Muscle at Leg ...
  • Page 22 Usage Figure Note Nerve Stimulation (Mode 9 ~ 25) Relief Pain at Nape  Find the pain area and apply the electrode pads on the nape.  To be used for temporary relief of pain associated with sore and aching muscles in back of the neck due to strain from exercise or normal household activities.
  • Page 23 Usage Figure Note from exercise or normal household activities.  For 25 minutes; twice or 3 times a day. Relief Pain at Arm  Find the pain area and apply the electrode pads on the same arm.  To be used for temporary relief of pain associated with sore and aching muscles in the arm due to strain from exercise or normal household activities.
  • Page 24 Usage Figure Note Relief Pain at Nape & Foot  Put the feet on the foot conductive rubbers.  Find the pain area and apply the electrode pads on the nape.  To be used for temporary relief of pain associated with sore and aching muscles in back of the neck &...
  • Page 25 Usage Figure Note from exercise or normal household activities.  For 25 minutes; twice or 3 times a day. Relief Pain at Shoulder, Arm & Foot  Put the feet on the foot conductive rubbers.  Find the pain area and apply the electrode pads on the shoulder &...
  • Page 26: Intensity Selection

    Usage Figure Note Relief Pain at Leg & Foot  Put the feet on the foot conductive rubbers.  Find the pain area and apply the both electrode pads on same leg.  To be used for temporary relief of pain associated with sore and aching muscles in leg &...
  • Page 27: Cleaning And Maintenance

    2) Automatic Time 25 minutes automatic time has already set, which means you do not need to set the time at the first operation. 4. CLEANING AND MAINTENANCE 4.1 For main unit Use wet cloth or neutral cleanser to wipe the machine. Do not use volatile liquid, such as benzene, thinner or gasoline, to clean the machine.
  • Page 28: Storage

    Electrode Information: Size: 88mm × 58mm × 3.2mm, 50.04 cm Numbers: 4 5. STORAGE Caution: Do not store them in a damp area. Dampness may affect the device and cause rust. - Operation condition: 5°C~40°C 20~65%RH - Store and transport condition: 0°C~45°C (Note: small electrode pads 10 ~ 20°C) 10~90%RH - The shelf life for small electrode pad under 10~20°C is 2 years - The shelf life and service life for foot conductive rubbers and the main unit are both 5 years.
  • Page 29 Problem Possible Cause Solution - Stick the electrode pads more tightly. - Wet and/or replace the electrodes - The pads do not stick to the skin if they do not adhere fully to the skin. tightly. - Moisten the surface of the electrode pads stick...
  • Page 30: Disposal

    7. DISPOSAL - The device and accessories out of shelf life or service life should not be thrown randomly and should be recycled by the manufacturer. - To dispose of packing materials, please take appropriate measures in accordance with the current rules and regulations in your area to prevent adverse ecological effects. 8.
  • Page 31: Label Symbols

    9. LABEL SYMBOLS Label symbols are shown in the following table: Symbol Description BATCH CODE. This symbol should be accompanied by batch code. Symbol for "SERIAL NUMBER". This symbol shall be accompanied by the manufacturer's serial number. DATE OF MANUFACTURE. This symbol shall be accompanied by the date of manufacture.
  • Page 32: Safety, Emc & Biocompatibility

    The stimulator is Class II equipment to type BF applied part and complies with Medical Electrical Safety Standards (IEC 60601-1, IEC 60601-2-10). 10.2 Electro Magnetic Compatibility (EMC) Electrical Foot Massager and Nerve Stimulator manufactured by Shenzhen OSTO Technology Company limited conforms to this IEC 60601-1-2, 2001+A1: 2006 standard for both immunity and emissions.
  • Page 33 Guidance and manufacturer’s declaration – electromagnetic emissions The Electrical Foot Massager and Nerve Stimulator is intended for use in the electromagnetic environment specified below. The customer or the user of the Electrical Foot Massager and Nerve Stimulator should assure that it is used in such an environment. Emissions Compliance Electromagnetic environment-- guidance...
  • Page 34 Guidance and manufacturer’s declaration – electromagnetic immunity The Electrical Foot Massager and Nerve Stimulator is intended for use in the electromagnetic environment specified below. The customer or the user of the Electrical Foot Massager and Nerve Stimulator should assure that it is used in such an environment. Immunity test IEC 60601 Compliance level...
  • Page 35 Guidance and manufacturer’s declaration – electromagnetic immunity The Electrical Foot Massager and Nerve Stimulator is intended for use in the electromagnetic environment specified below. The customer or the user of the Electrical Foot Massager and Nerve Stimulator should assure that it is used in such an environment. Immunity test IEC 60601 Compliance...
  • Page 36 80 MHz,. Recommended distances between portable and mobile RF communications equipment and the MODEL AST-300H The Electrical Foot Massager and Nerve Stimulator is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the...
  • Page 37: Biocompatibility

    10.3 Biocompatibility There are six directly contracting components by user in the subject device as the following list. Component of Body Contact Material of Contact Duration Device Requiring Category Component (ISO 10993-1) Biocompatibility (ISO 10993-1) Foot Conductive PP(PP conductive Surface-contacting Maximum 25 minutes Rubber plastic)
  • Page 38 Manufacturer: SHENZHEN OSTO TECHNOLOGY COMPANY LIMITED ADD: No.43, Longfeng Road, Xinsheng Community, Longgang Street, Longgang District, 518116 Shenzhen City, Guangdong Province, China. Email: osito_info@163.com...

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