Wilmer Arm Splint
                                         Orthosis for Brachial Plexus Injuries

The Wilmer is a semi-passive orthosis  that was developed for patients who have a paralysed arm and is particularly useful for people with a BPI with subluxation of the shoulder. It is light, typically weighing less than 250 grms., and easy to put on and remove.
The main function of the orthosis is to correct subluxation by gently forcing the arm back into the shoulder joint.  Any oedema present in the arm is generally relieved as a result of wearing the orthosis, and the better positioning of the hand and arm i.e. more horizontal/more than horizontal (=dorsalflexed hand)


The orthosis works by using biomechanical principles. The point of suspension
unbalances the forearm, and the unbalanced weight forces the upper arm upwards,
and back into the correct position. For as long as the orthosis is in use, the upper arm
and shoulder will remain in the correct position.

The orthosis consists of a forearm brace which is suspended on the shoulder at a
specific point by a cap with straps attached. The cap transfers the weight of the arm
evenly across the shoulder. The chest strap helps to keep the cap in place, and the
positions of the two straps on the shoulder cap transmits the suspension force evenly
onto the shoulder. The hand support is self adjustable to suit each individual.


Rekha's Orthosis

Rekha came to the meeting on October  27th 2002 with lots of questions about her BPI. She brought along the Wilmer Orthosis that was given to her during a visit to RNOH Stanmore, wondering if it was any use. She had previously found it difficult to put on, but Andy showed her how. I think Rekha went away a bit happier knowing that putting on and adjusting this orthosis is easier than it looked! The following pictures show the orthosis in use.




The first picture shows Rekha talking to Andy about the Wilmer Orthosis that
she was given recently at the RNOH Stanmore (U.K)

Andy had shown her how to put it on and adjust it.





The next two pictures show how suspension in different bore holes in the suspension bar results in a different correcting force in the affected shoulder.












     This position gives the highest correcting force                          This position gives the lowest correcting force





The front view.

The back view is almost identical, but without the strap adjustments.

Lifting the forearm with the other hand as Rekha is doing in this picture
will stop the orthosis from doing what it is designed for; the upper arm
and shoulder will no longer be in the corrected position. 

However, once the arm is left to rest in the orthosis again, the shoulder
and upper arm will return to the corrected position.



DISTRIBUTOR CONTACT DETAILS

United States and Canada
   Becker Orthopedic
   635 Executive Drive
   Troy, Michigan 48083-4576
   Toll free phone: 800 521 2192
   Toll free fax: 800 923 2537
   Telephone: +1 (0)248 588 7480
   Telefax: +1 (0)248 588 2960
   E-mail: mail@beckerorthopedic.net

Scandinavia
   Ossur Nordic
   P.O. Box 67, 751 03 Uppsala, Sweden
   Telephone: +46 (0)18 18 22 00
   Telefax: +46 (0)18 18 22 18
   E-mail: info@ossur.com

Germany
   Ortho-Reha Neuhof GmbH
   Neuburger Strasse 35
   90451 Nurnberg
   Telephone: +49 (0)911 643 39 10
   Telefax: +49 (0)911 649 22 53

United Kingdom
   RSL Steeper
   Leeds Manufaturing Centre
   Unit 7
   Hunslet Trading Estate
   Leeds LS10-1BL
   Telephone: +44 (0)113 2070 435
   Telefax: +44 (0)113 2715 444
   E-mail: richard.thomas@rehab.co.uk

Australia
   Orthopaedic Appliances Pty Ltd
   93-97 Webb Street
   Fitzroy, Vic. 3066
   Telephone: +61 (0)3 9419 2499
   Telefax: +61 (0)3 9416 3543
   E-mail: oapl@alphalink.com.au

Other countries
   Directly through Ambroise
   P.O. Box 656
   7500 AR Enschede
   The Netherlands
   Telephone: +31 (0)53 430 28 36
   Telefax: +31 (0)53 430 47 49
   E-mail: info@ambroise.nl
   Website: www.ambroise.nl

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