Thursday, May 26, 2022

Light KO for hyperextension

Cheryl Lewis

Dear Colleagues,
I have a patient with MS who is struggling with controlling her knee hyperextension. She is unable to manage the weight of a KAFO so I have been using an AFO to control the footdrop and plantarflexion and she uses an Ossur Unloader 1 Knee orthosis with a 10deg ext stop when she is more active to help control the hyperextension more. This configuration was the lightest I could find and still give her the option of wearing them independently.
Recently she came in and the upright had snapped – understandable after 2 years use! She had info from Townsend and Donjoy with her and was asking about those options. I know that many of these designs are too heavy for her to handle. My questions to the group – 1) Is there a better lightweight KO to control hyperextension? 2) How are other clinicians handling this patient type? MS is common in Canada and the weight of the devices is the #1 problem for this group.
FYI – we are also doing a trial of the Bioness FES L300 – she tried it at my clinic and it controlled the hyperextension and varus thrust quite well (as well as a KO) We are just trying to get some insurance coverage.

Cheryl Lewis BSc(HK), CO(c)

Certified Orthotist

Owner, CK Ortho Inc

Ph 519-436-9670


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