OYMotion Technologies OHand2CH OYM-OH-A001LS-B001 User manual

OHandTM Smart Bionic Hand
User Guide
OYMotion Technologies Co., Ltd
www.oymotion.com

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1. Trademarks and Disclaimers ...........................................................................................................................1
2. Warnings .............................................................................................................................................................1
3. Models .................................................................................................................................................................1
4. Applicable Cases ............................................................................................................................................... 2
5. Major Components and Dimensions ............................................................................................................ 2
5.1. OHandTM Major Components ..............................................................................................................2
5.2. OHandTM Structure ................................................................................................................................ 3
5.3. OHandTM Dimensions ...........................................................................................................................3
5.4. Passive Rotatory Wrist Diameter ....................................................................................................... 4
5.5. Sensor and Lamination Dummy ........................................................................................................ 5
5.6. Battery and Charging Base ................................................................................................................. 5
6. Assembly Instructions ...................................................................................................................................... 7
6.1. Assembly ................................................................................................................................................ 7
6.2. Factory Settings .....................................................................................................................................8
6.3. Muti-functional Button Switch and Message Beeper ................................................................... 9
6.4. Grips And Mode Switch .....................................................................................................................10
6.5. Grips Slots ............................................................................................................................................ 20
6.6. Grip Lock/Unlock Feature ................................................................................................................. 20
7. Storage, Transportation and Environment Conditions ........................................................................... 20
8. Design Parameters ..........................................................................................................................................21
8.1. Strength and Speed ............................................................................................................................21
8.2. Weight ...................................................................................................................................................21
8.3. Power Supply .......................................................................................................................................21
8.4. Battery ...................................................................................................................................................21
8.5. Power Connector ................................................................................................................................ 22
8.6. Sensor Interfaces .................................................................................................................................22
9. Battery and Charging ..................................................................................................................................... 23
10. Maintenance, Warranty, Repairs and Returns ...................................................................................... 23
10.1. Maintenance .................................................................................................................................... 23
10.2. Warranty and Repairs .................................................................................................................... 24
10.3. After-Sales Services ........................................................................................................................24
11. Common Issues ........................................................................................................................................... 24
12. Packing List .................................................................................................................................................. 25
13. OHand APP Download ...............................................................................................................................26
14. Contact US ....................................................................................................................................................26

OYMotion Technologies Co., Ltd All Rights Reserved©2015-2022
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1. Trademarks and Disclaimers
OHandTM is the trademark registered by OYMotion Technologies Co., Ltd (OYMotion). The OHandTM
bionic hand was developed by OYMotion based on intellectual properties. Any party without a written
permission from OYMotion is not allowed to copy any part of this document.
2. Warnings
2.1. Warning: Do not expose Li-ion battery to heat, doing so will damage or shorten battery life.
2.2. Warning: Do not place the OHandTM close to any life-supporting medical devices such as a
pacemaker.
2.3. Warning: OHandTM is not water-resistant (IPX-0). If the OHandTM is exposed to liquids internally it can
cause short circuits, rusting, and none reversible damages to the circuits, motors, and gears. Users
shall store the hand away from liquids and away from damp and dusty environments.
2.4. Warning: The main frame and the body of the OHandTM is made of aluminium, stainless steel, silicon
rubber and plastic. If user exceeds the specified loads on the hand it will cause none reversible
damages to the hand. Furthermore, collisions can cause warping to the materials and potential non
reversible damages.
2.5. Warning: It is on the user to be fully responsible to comply with local regulations before operating
any powered machines.
2.6. Warning: It is on the user to be fully responsible to comply with local regulations before operating
any or motorized vehicles.
2.7. Danger: Do not wear the OHandTM while it is charging.
2.8. Use alcohol wipes to clean the sensors’ electrodes and socket frequently especially after use.
Immediately wipe and dry the socket with a napkin after cleaning.
2.9. Turn off OHandTM when it’s not in use to save battery.
3. Models
Device Name
Features
Model (Left Hand)
Model (Right Hand)
OHand2CH
Long Thumb Finger
2 Sensors, 18 Grips
OYM-OH-A001LS-B001(Silver)
OYM-OH-A001LB-B001(Black)
OYM-OH-A001RS-B001(Silver)
OYM-OH-A001RB-B001(Black)
OHandSE
Short Thumb Finger
2 Sensors, 9 Grips
Touchscreen Finger Pads
OYM-OH-A001LSA-B101(Silver)
OYM-OH-A001LBA-B101(Black)
OYM-OH-A001RSA-B101(Silver)
OYM-OH-A001RBA-B101(Black)
OHand
Short Thumb Finger
2 Sensors, 18 Grips
Touchscreen Finger Pads
OYM-OH-A001LSA-B201(Silver)
OYM-OH-A001LBA-B201(Black)
OYM-OH-A001RSA-B201(Silver)
OYM-OH-A001RBA-B201(Black)

OYMotion Technologies Co., Ltd All Rights Reserved©2015-2022
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4. Applicable Cases
OHandTM smart bionic hand is designed to fit upper limb amputees. For above elbow amputation, an extra
and compatible elbow is needed and configured in the OHand APP software.
5. Major Components and Dimensions
5.1. OHandTM Major Components
OHandTM Smart Bionic Hand Package
OHandTM Smart Bionic Hand Package
1OHandTM Smart Bionic Hand 2-Channel User Guide
2OHandTM Smart Bionic Hand User Guide
3OHandTM Smart Bionic Hand Li-ion Battery (2-Pieces)

OYMotion Technologies Co., Ltd All Rights Reserved©2015-2022
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4OHandTM Smart Bionic Hand Li-ion Battery Compartments (Removable Battery Only)
5OHandTM Smart Bionic Hand Li-ion Battery Dummy (Removable Battery Only)
6OHandTM Smart Bionic Hand Charging Base (Removable Battery Only)
7OHandTM Smart Bionic Hand sEMG Sensors
8OHandTM Smart Bionic Hand AC220/110 to DC12V/8.4V Power Adapter
9OHandTM Smart Bionic Hand Packing Box
10 OHandTM Smart Bionic Hand (2-Channel BLE Controller)
5.2. OHandTM Structure
5.3. OHandTM Dimensions
There are two sizes of the OHand. The hand with a Bluetooth device name as OHand2CH is the
long-thumb version. And the one with a Bluetooth device name as OHand or OHandSE is the short-thumb
version.
OHand2CH – Long-Thumb Version