System Electric Hand Digital Twin | Myo Terminal Devices | Myo Hands and Components | Upper Limb Prosthetics | Prosthetics | Ottobock US B2B Site
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System Electric Hand Digital Twin

Item #: 8E38=7
With quick disconnect wrist

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Suggested HCPCS Coding: L7007 + L6882 + L6629
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Quick disconnect wrist suitable for all amputation levels, except wrist disarticulation. Passive wrist rotation with ratchet lock (can be replaced by the 11S30 Friction Ring).

The Digital Twin control features a digital and dual channel control mode. The desired control mode is selected with the integrated 13E185 function plug.

The System Electric Hand Digital Twin can be operated with the 757B35=* MyoEnergy Integral, the 757B20/757B21 EnergyPack or the 757B15 X-ChangePack. It features a central coaxial plug connection, automatic shut-off electronics and integrated on-off switch, low-friction bevel gear, positive back lock and system inner hand. With potentiometer for adjusting the switching threshold (double-channel control). An integrated slip clutch allows the hand to be opened in case of power supply or myoelectric control failure.

Side Size Operating
gripping force
Weight with
inner hand
8E38=7-L7 Left 7 6/7.2 V 79 mm 90 N 110 mm/sec 355 g Women, Adolescents
8E38=7-R7 Right 7 6/7.2 V 79 mm 90 N 110 mm/sec 355 g Women, Adolescents
Myo Glove Sizing for Hands
Hand Size For Standard Glove
Article Number
Skin Natural Glove
Article Number
5 Children 1-3 yrs old 8S20=136x41 (L/R) color 8S20N=136x41 (L/R) color
5 1/2 Children 3-6 yrs old 8S20=147x45 (L/R) color 8S20N=147x45 (L/R) color
6 Children 5-10 yrs old 8S20=162x56 (L/R) color 8S20N=162x56 (L/R) color
6 1/2 Children 8-13 yrs old 8S20=177x64 (L/R) color 8S20N=177x64 (L/R) color
7 Women, Adolescents 8S13=7 (L/R) color 8S13=7 (L/R) color
7 1/4 Men, Adolescents 8S11=190x76 (L/R) color 8S11N=190x76 (L/R) color
7 1/4 Women 8S12=190x78 (L/R) color 8S12N=190x78 (L/R) color
7 3/4 Men 8S11=210x78 (L/R) color 8S11N=210x78 (L/R) color
8 1/4 Men 8S11=225x80 (L/R) color 8S11N=225x80 (L/R) color

8E38, 8E39, 8E41, 8E44 - Patient Information

Product Information: 646D44 (EN/DE/FR/IT/ES/PT/NL/SV/DA/PL/HU/CS/RO/TR/EL)

Published Date: August 22, 2016

8E38=7, 8E39=7, 8E41=7 System Electric Hands - Instructions for Use

Instructions for Use: 647H327 (EN/DE/FR/IT/ES/PT/NL/SV/NO/TR/EL/JA/ZH)

Published Date: May 28, 2014

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Reimbursement: Toolkit

8E38=7, 8E39=7, 8E41=7 System Electric Hand Digital Twin - Instructions for Use

Instructions for Use: 647H337 (EN/DE/FR/IT/ES/PT/NL/SV/DA/PL/EL)

Published Date: September 18, 2015

MyoBock System Overview

Product Information: 646F277 (EN)

Published Date: January 1, 2013