Harmony® System

Ottobock’s Harmony® Vacuum Management System provides superb fit between the liner and socket while minimizing residual limb volume changes throughout the day.

The Harmony® system effectively reduces the amount of air between the socket and the liner. This is achieved through the use of a pump and an exhaust valve. The system, which is activated at every step when using the mechanical pump or by a sensor with the electronic version, regulates the required negative pressure within a defined range.

A damping and torsion function is also integrated into the mechanical pump. The Harmony® system controls the volume of the residual limb and simultaneously improves blood circulation. High adhesion improves proprioception. The prosthesis wearer feels what is happening under his or her prosthetic foot. This increases safety in everyday life. The Harmony® system is used in conjunction with a polyurethane liner. A standard or custom liner is used depending on the residual limb. The negative pressure system is sealed on the outside by means of a gel-coated sealing sleeve.

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Harmony® P2 & HD

The Harmony® system controls the volume of the residual limb and prevents volume fluctuations. A total surface weight bearing socket is used instead of a specific weight bearing socket.

Harmony E2 Electronic Pump.

Harmony E2 Electronic Pump

The Harmony E2 is the new electronic pump option for the Harmony System.

Harmony  P3.

Harmony® P3

'Less is More' was the major goal for the re-design of the mechanical Harmony system in regards to weight, height and complexity.

ems socket

6S400 EMS Socket

Incredibly enhanced patient fit and control.


3R60=VC Vacuum Knee

Proven benefits of the 3R60 with an integrated vacuum pump.

1C62 Triton Harmony Foot

The Triton Harmony combines the excellent functionality of the 1C60 Triton carbon fiber foot with the proven Harmony P3 technology.

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