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OHand bionic prosthesis

Built by OYMotion Technologies · China

Updated Aug 2026·methodology

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Made by OYMotion TechnologiesOpen company

Not enough evidence to rank. Listed among 21 Dexterous Hand robots; 10 carry a rank.

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RoboScore

31.1/ 100

Out of 100. Checks on sales, customers, specs and track record.

Weak evidence

No named customers yet. The score uses the rest of its record.

4 of 9 checks have data

Updated daily from public data. Missing data is skipped, never counted as zero.

What counts

Average of the 4 checks with data. Checks without data are left out.

CheckWeightScore
On sale20%25/100
In use20%Not counted yet
Track record12%Not counted yet
Specs on file12%82/100
Funding12%Not counted yet
Company age8%55/100
Other robots6%41/100
News6%Not counted yet
Wikipedia entry4%Not counted yet

Overview

OHand is a smart bionic prosthetic hand with individual finger control, multiple grip patterns, and EMG sensor support.

Key specs

  • Built for eldercare assistance
  • Used across healthcare and rehabilitation
  • Programmed through ROS
  • Public API for integration
  • Compatible with ROS
  • Force-limited for work alongside people

Will it fit your job?

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At a glance

Specifications

From the makerCheckedEstimated
20 kg
0.5 kg
IPX-0
12 h
Research platform

Published figures are build cost or program budget, not a purchase price

Active

Detailed specifications

What it is built for3
Applications
eldercare assistance
bionic prosthetic hand
medical,rehabilitation
Movement & precision1
5
Power & runtime1
4
Controls & integration5
Yes
Software Platform
OTrain EMG gesture training platform
Training Required
intermediate_1-5days
Compatible Grippers
ROH-A001
code ros
Safety & certification1
Yes
Buying & support6
40-80K
Datasheet Url
Preview PDF online
purchase
Model Variants
ROHand,OHand,BIO-SENSOR,SMART-REHAB
Availability Status
available
Countries Available
China
Other details30
Control
Independent Finger Control, Control Circuit Fully Embedded
Weight G
500
Actuators
Five Linear Actuators Embedded
User Grips
Up to 18 User Selectable Grips
Interface Ble
BLE4.1
Interface Usb
Yes
Raw Data Access
gForce-Dongle
Thumb Positions
Three Bilateral and Opposite Thumb Positions
Wrist Height Mm
20
Wrist Diameter Mm
53
Emg Sensor Support
2-8 EMG sensors
Weight Tolerance G
10
Gesture Recognition
AI or Traditional Threshold Optional
Emg Sampling Rate Hz
500~1000
Emg Sample Resolution
8-BPP
Settings Configuration
User APP
Maximum Width Of Palm Mm
83
Wrist Rotation Range Degrees
175
Emg Gesture Training Platform
OTrain EMG gesture training platform
Fully Close To Open Time Seconds
0.8
Fully Open To Close Time Seconds
0.8
Maximum Whole Hand Static Load Kg
20
Maximum Single Finger Static Load Kg
5
Maximum Pinch Fingertip Active Force G
900
Maximum Single Fingertip Active Force G
450
Maximum Tripod Fingertip Active Force G
1350
Vertical Distance Thumb Fingertip To Wrist Mm
98
Vertical Distance Middle Fingertip To Wrist Mm
179
Thumb Maximum Opposite Open Close Range Degrees
50
Thumb Maximum Bilateral Open Close Range Degrees
31

Who uses it

No named customer yet

A customer is listed when a public source names them, or the maker adds them.

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Company milestones(estimated)

  • 2015MilestoneFounded in Shanghai
  • Not yet on fileFundingB++ financing
  • Not yet on filePartnershipROHand partnership mention with Melexis
  • Not yet on fileMilestoneROHand product page published
  • Not yet on fileMilestoneROHand user manual released
  • Not yet on fileDeploymentROHand adopted by various companies

OYMotion Technologies in the news

the maker

2 events · last 12 months

  • Jul 22From Unscrewing Bolts to Running Tasks, OYMotion Technologies Aims to Train "Robot Engineers"
  • Apr 22Melexis hooks up with OYMotion on robotic hands

News about OYMotion Technologies, the maker, not about this robot specifically, except rows marked this robot. Collected and classified independently across 2 outlets, so a maker cannot add to it. It never changes this robot's RoboScore (the evidence half of the RoboIndex) and it can move it up a board by at most 15 points. See all OYMotion Technologies news

Frequently asked questions

Who makes the OHand bionic prosthesis?
The OHand bionic prosthesis is developed by OYMotion Technologies, based in China.
What type of robot is the OHand bionic prosthesis?
The OHand bionic prosthesis is a Dexterous Hand made by OYMotion Technologies.
How much does the OHand bionic prosthesis cost?
Pricing for the OHand bionic prosthesis is not publicly listed. Contact OYMotion Technologies for a quote.

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