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Frequently Asked Questions - Professionals

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We have not had any reported problems with using FES on the lower limbs for clients with implanted baclofen pumps, however as with all implanted devices we advise that clinicians should seek advice from the manufacture of the implanted device or ask the team who reviews the implanted device to perform tests to demonstrate that FES is safe with the device in situ.

Yes of course! Click on the link below to see videos of FES in action.

OML videos for patients

OML videos for healthcare professionals

In order to purchase an ODFS® Pace/Pace XL or O2CHS (two-channel) stimulator, you have to attend the relevant course.

Please note: in order to attend the two-channel course you have to have completed the single-channel course beforehand.

You can purchase the microstim or O4 CHS (4-channel stimulator) or the C-MIT without attending any courses.

All information on our courses can be found here.

We suggest using sticky tape to make sure the heelswitch remains attached to the insole.

It can also depend on the type of insole you use. We recommend a well-fitted cork insoles as the heelswitch is less likely to move around in your shoe. 

For best results and comfort the footswitch is usually attached underneath the insole with the black dot of the fooswitch facing upwards.

For more informaiton, see below:

Footswitch connections

Ataching a footswitch without shoes

The best way to keep up to date with our developments is through this website.

We will publish details of new products when they are available.

OML patients may also be informed at their clinic appointment or by letter. 

Clinicians can sign-up to our newsletter which includes our latest product developments.

The manufacturer claims that the electrodes are good for about 30 applications. So using the stimulator every day means you should get about 1 months use.

After using the electrodes we advise to wet the electrodes a little, before putting them back on the 'ON' side of the plastic and sealing them in the original packaging or an airtight container.

The answer is a bit complicated and is decided by HM Revenue and Customs. 

Equipment that requires a fitting at a hospital is not VAT exempt therefore when you are set up with FES all of the equipment has to be charged with VAT. 

However, for replacements of equipment that is specifically designed for FES are VAT exempt. This means the footswitch lead, footswitch and stimulator pouch are VAT exempt, when ordering replacements. 

Other replacement equipment you may need like electrode leads and electrodes is not VAT exempt because it can be used on other equipment that is not specifically used for people with disabilities.

Our stimulators do not require any regular servicing or calibration.

They have a two year manufacturer's warranty and should be returned to us for repair if a problem occurs.

If a stimulator becomes faulty due to damage by the user, we will charge for any repairs required.

The wireless footswitch and insoles have a one year manufacturing warranty. 

In our clinical experience most patients can use FES regularly without any problems with their skin.  A small number of patients (about 2%) can have some skin irritation problems.  In order to avoid skin problems beneath the electrodes it s good practice to educate your patients in how to look after their skin and electrodes as follows:


  • Keep skin clean
  • Do not shave the skin, trim hairs with a beard trimmer
  • Avoid long hot baths using bubble bath, try using soap free cleansers
  • If moisturising apply at night and wipe off in morning


  • Use electrodes as recommended by OML
  • Clean electrodes with water after each use
  • Replace electrodes, approx. every month

If you feel your patients are particularly at risk of skin irritation try setting them up with symmetrical waveforrm.  This reduces the concentration of stimulation over the active electrode and can help with skin problems.

For further information on skin irritation advice click on links below:

Skin irritation information sheet for clinicians

Skin irritation case study

A small number of patients can suffer from irritation beneath the electrodes. 

Prevention of skin problems is better than cure, please read "How do I prevent my patient from getting skin irritation?"

If skin irration does occur, we recommend these treatments:

  • Discontinue stimulation at that electrode site until the skin has healed, try moving the electrodes to avoid the skin irritation and consider a different electrode position.
  • Use Eumovate cream for one week which can be bought "over the counter".
  • If problem continues seek medical advice, as  a cream with a stronger steroid content may be required.
  • Change to symmetrical waveform.
  • Change to blue pals electrodes, if not already using them.
  • Consider referral to a Dermatologist if skin irritation persists.

If skin irritation continues to be a problem over a long period despite the above treatment it may be worth considering STIMuSTEP, the implanted dropped foot stimulator.

For further information or advice for patients on managing skin irrtation click on link below:

Skin irritation information sheet for users