FAQFAQ’s – Frequently Asked Questions

FAQ’s – Frequently Asked Questions

Orthopaedic technicians

Do I have to do any rework or modification?

An additional volume modification is necessary for all passive systems (SA Basic, Ready, and Gravity). The correct volume is already set for the Symphonie Aqua VC TT and TF systems.

How much do I need to reduce the plaster impression with the Symphonie Aqua VC?

Depending on the pre-cut socket edge proximal, each ML measurement in the supracondylar area must be reduced by 5 mm.

How can I calculate the pressure?

The pressure can be easily calculated by using the free Symphonie Aqua VC App. The link for the download can be found on our website.

Must the patient be capable of standing up for taking the plaster impression?

In order to determine an accurate fitting under a full load, the patient must be able to stand. The objective is to produce an accurately fitting socket for the patient.

Can I transport the VC system?

The Symphonie Aqua VC TT & TF Systems can also be employed for mobile usage. The systems are delivered in convenient cases, which can then be transported without difficulty.

Which types of amputation can I tend to with my SA system?

Trans-femoral amputation and trans-tibial can be serviced. The Symphonie Aqua VC TF System was developed for femoral patients. The Symphonie Aqua VC TT System can be used for tibial patients. Additionally, our systems enable ideal care for patients with knee disarticulation.

Which mobility grade classification can I service?

Mobility grade 1: indoor walker; mobility grade 2: limited outdoor walker; mobility grade 3: unlimited outdoor walker; mobility grade 4: unlimited outdoor walker with especially high demands

Which liner system can or must I use?

There are no restrictions concerning liner systems. We recommend the Symphonie Aqua Liner for providing an accurate fitting.

Can one tend to patients without a liner?

Yes. For this, we recommend the use of a stocking or a thin legging in order to exert a light pre-compression on the tissue.


Is the taking of the plaster impression painful?

Creating a plaster impression with the Symphonie Aqua System is completely painless.

When can a hydrostatic impression be made?

It is important that the wound healing process is complete. Furthermore, the patient must be able to stand for several minutes.

What does it feel like during the plaster impression process with the Symphonie Aqua System?

During the plaster impression process, patients have described feeling a tight, but evenly spread pressure situation on the residual limb’s entire surface.

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