haptic robots to promote neurorehabilitation tanner barnes bme 281
TRANSCRIPT
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Haptic Robots to Promote Neurorehabilitation
Tanner BarnesBME 281
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Stroke:
• A stroke is the sudden death of brain cells in a localized area due to inadequate blood flow
• 7 million people in the United States have survived a stroke
• Only 10% recover completely• 40% suffer moderate to severe impairments
and require special therapy
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Cerebral Palsy:• Cerebral Palsy (CP) is a disorder of movement,
muscle tone or posture that affects the developing brain, most often before birth.
• 1 in 303 children in the United States are born with CP
• One third of these children develop hemiplegia, which is total or partial paralysis of half the body
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Problem:
• Hemiplegia is common in post stroke patients as well as children with CP
• Upper extremity impairment is exhibited in all patients with hemiplegia
• In some cases, upper extremity motor function can be regained through physical therapy or various other rehabilitation methods
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Haptic Master:• Six degrees of freedom haptic interface
robot• Allows the manipulation of virtual
objects and provides haptic feedback to the user
• Capable of assisting user in desired movements if they are unable to make them independently
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Results in Stroke Patients:
• After 8-9 therapy sessions over the course of 3 weeks
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Results in Children with CP:
• After training one hour a day, three times a week
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Advantages:
• More enjoyable therapy for children• Assistive technology• Ability to track progress• Varying difficulties
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Disadvantages:
• Small group of patients eligible, must have certain range of joint movement and motor function
• Cost- upwards of $200,000 for system• Not proven to be superior to conventional
therapy techniques
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Conclusion:
• There has not been a large enough study completed to prove or disprove this method of therapy
• In feasibility testing, haptic robot therapy appears to be comparable to conventional therapy
• The technology is available for a larger scale study which will provide more conclusive data
• Future studies will determining effectiveness with neurorehabilitation in the upper extremities
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References• Adamovich, Sergei. "The New Jersey Institute of Technology Robot-Assisted Virtual
Rehabilitation (NJIT-RAVR) system for children with cerebral palsy: a feasibility study." Journal of NeuroEngineering and Rehabilitation. 6.40 (2009): n. page. Web. 17 Nov. 2013.
• Adamovich, Sergei. "Incorporating haptic effects into three- dimensional virtual environments to train the hemiparetic upper extremity." IEEE Trans Neural Syst Rehabil Eng.. (Oct.1 2010): n. page. Web. 17 Nov. 2013.
• "Price List." Engineering Systems Technologies. Engineering Systems Technologies, 18 Sep 2013. Web. 17 Nov 2013. <http://www.est-kl.com/fileadmin/media/pdf/EST/est-kl-pl.pdf>.
• http://www.cyberglovesystems.com/products/cyberforce• http://www.stroke.org/site/PageServer?pagename=REHABT • http://www.cdc.gov/features/cerebralpalsy/ • http://www.merriam-webster.com/medical/hemiplegia• http://medical-dictionary.thefreedictionary.com/stroke• http://www.mayoclinic.com/health/cerebral-palsy/DS00302