Suitable for outdoor use
Activity Level 3 4

A robust, compact, single axis prosthetic knee for activity level 3 & 4 users. The Mercury’s tough frame and hydraulic swing and stance control meet the demands of the most active lifestyles.


  • Tough carbon fiber frame
  • Long life needle roller bearings
  • Reinforced hydraulic unit
  • Variable cadence
  • Mode switch for cycling
  • Durable urethane kneeler pad
  • Compact design


Max. user weight/activity level: 


150kg (320lbs)/3
145kg (300lbs)/4
Component weight:  1.13kg (2lbs 7.8oz)
Control unit:  endolite hydraulic


Suitable for outdoor use


Part numbers:

MH30-SR (swing only hydraulic)
MHPYR-SR (swing only hydraulic)

Socket Adapters

Mercury Socket Adapters

An annual visual inspection is recommended. Check for visual defects that may affect proper function. Maintenance must be carried out by competent personnel.

Last updated: 2nd October 2017

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