Hand-held Device to Reduce Spasticity Advisor: Tracy Puccinelli - - PowerPoint PPT Presentation

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May 08, 2023 272 likes •420 views

Hand-held Device to Reduce Spasticity Advisor: Tracy Puccinelli Client: Carol Rohl & Bonnie Tompkins Clara Chow - Leader Sara Schmitz - BSAC Emily Florence - BWIG Devon Moloney - Communicator Background } Hemiparesis - partial

SLIDE 1

Hand-held Device to Reduce Spasticity

Advisor: Tracy Puccinelli Client: Carol Rohl & Bonnie Tompkins Clara Chow - Leader Sara Schmitz - BSAC Emily Florence - BWIG Devon Moloney - Communicator

SLIDE 2

Background

} Hemiparesis - partial weakening usually by stroke1 } Spasticity (Tone) - tightening muscle2 } Spasticity reducing treatments:

} Electrical Stimulation } Injections such as Botox } Stretching3

Hand-held device 10/21/11 2

SLIDE 3

Introduction

} Client: Carol } Suffers from hemiparesis due to stroke } Current device: } Joggers strap and small tennis ball } Opens and relaxes hand } No commercially available

products

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SLIDE 4

Design Criteria

} Single compact design } Effectively relax her hand } Easily moveable } Breathable material } Washable } Department budget under $100 } Colorful

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SLIDE 5

Overview of Designs

Shape Strap Method of Connection

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SLIDE 6

Proposed Shapes – Side View

Design #1: Sphere Design #2: M&M Design #3: Rod

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SLIDE 7

Shape Design Matrix

Criteria (Weight) Sphere M&M Rod Performance (30) 28 25 20 Comfort (20) 16 18 17 Convenience (15) 13 14 10 Size (15) 10 14 13 Versatility (10) 8 9 5 Ease of fabrication (5) 5 5 3 Aesthetics (5) 3 4 3 Total (100) 83 89 71

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SLIDE 8

Proposed Strap Designs

palm elastic palm velcro Shape attachment

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SLIDE 9

Proposed Attachment Designs

magnet screw pocket

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SLIDE 10

Attachment Design Matrix

Criteria Pocket Screw Magnet Security (25) 23 18 15 Ease of use (20) 15 10 18 Comfort (20) 18 15 15 Ease of fabrication (15) 10 11 14 Safety (10) 9 5 8 Weight (5) 4 4 3 Cost (5) 3 4 3 Total (100) 82 67 76

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SLIDE 11

Conclusion

} Prototype will consist of pocket attachment with

M&M shape.

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SLIDE 12

Future Work

} Construct prototypes } Ship prototypes to client } Receive feedback from physical therapists } Test the products } Conduct surveys } Fabricate a final product

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SLIDE 13

References

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http://www.stroke.org

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http://www.wemove.org

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http://www.sciencedirect.com/science? _ob=MiamiImageURL&_cid=273260&_user=443835&_pii=S1071909104000099&_check= y&_origin=&_coverDate=31-Mar-2004&view=c&wchp=dGLbVlS- zSkWb&md5=87d4a50a95f0511bf6dc05008bc8e212/1-s2.0-S1071909104000099- main.pdf

}

http://www.google.com/imgres?q=hand+black +background&num=10&um=1&hl=en&biw=853&bih=381&tbm=isch&tbnid=cwAfD- sQkE8WUM:&imgrefurl=http://creativity103.com/collections/Interference/slides/ handscanner.html&docid=v0SLNhPD5EbC9M&imgurl=http://creativity103.com/ collections/Interference/ handscanner.jpg&w=3487&h=4000&ei=tgGbToSFJcaNsQKlz5yrBA&zoom=1

}

http://brainrub.com/thestoob/wp-content/uploads/2009/07/my_hand.jpg Hand-held device 10/21/11 13