Technical Brief

GaitAssist: A Novel Technology to Mitigate Scissoring Gait in Cerebral Palsy Patients1

[+] Author and Article Information
Yu Xu, Kaiyuan Wang, Kevin Xin, Andie Seabrooke, Michael J. Ruiz, Ana Ainechi

Department of Biomedical Engineering,
Johns Hopkins University,
Baltimore, MD 21218

Jacob M. Schick

Department of Biology,
Johns Hopkins University,
Baltimore, MD 21218

Alexander de la Vega

Department of Applied Mathematics and Statistics,
Johns Hopkins University,
Baltimore, MD 21218

Alexander Hoon

Phelps Center for Cerebral Palsy
and Developmental Medicine,
Kennedy Krieger Institute,
Baltimore, MD 21205

Brittany DeCroes

Department of Outpatient Physical Therapy,
Kennedy Krieger Institute,
Baltimore, MD 21205

Tara Johnson

Department of Neurology and Developmental Medicine,
Kennedy Krieger Institute,
Baltimore, MD 21205

Robert Allen

Department of Biomedical Engineering,
Johns Hopkins University,
Baltimore, MD 21218;
Department of Gynecology and Obstetrics,
Johns Hopkins University,
Baltimore, MD 21218

DOI: 10.1115/1.4033762Manuscript received March 1, 2016; final manuscript received March 17, 2016; published online August 1, 2016. Editor: William Durfee.

J. Med. Devices 10(3), 030935 (Aug 01, 2016) (3 pages) Paper No: MED-16-1088; doi: 10.1115/1.4033762 History: Received March 01, 2016; Revised March 17, 2016

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Grahic Jump Location
Fig. 1

The orthosis utilizes two slabs of plastic to serve as a physical barrier to separate the legs

Grahic Jump Location
Fig. 2

A person wearing GaitAssist

Grahic Jump Location
Fig. 3

The two blocks are connected by a bolt that could slide in a C-shaped rail

Grahic Jump Location
Fig. 4

Thickness of the plastic slabs can be adjusted to accommodate patients of different body sizes

Grahic Jump Location
Fig. 5

The outside cover can be easily changed by removing and inserting the cover from the back

Grahic Jump Location
Fig. 6

Results of the GAITRite® testing: (a) footfall recording and (b) summary of velocity, cadence, and swing percentage from the testing



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