Beach Wheelchair & Walker
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Transcript of Beach Wheelchair & Walker
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BEACH WHEELCHAIR &
WALKER
Team 13Maya AlfonsoKyle O’Brien
Matthew EllisDanielle Lapointe
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Overview The Client Purpose of Project Divisions of Labor Part Breakdown Completed Work Budget Conclusion Acknowledgements Questions
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Cerebral Palsy
Refers to a number of non-curable neurological disorders that appear in infancy or early childhood and permanently affect body movement and muscle coordination but don’t worsen over time.
Caused by abnormalities in parts of the brain that control muscle movements.
Effects the body’s movement, balance, and posture. Many different treatments: Physical therapy, Botox to
relax contracting muscles, drugs to control seizures, and orthotic devices.
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Spastic Cerebral Palsy
Most common type of Cerebral Palsy Neuromuscular mobility impairment
Stemming from an upper motor neuron lesion in the brain Have one or more tight muscle groups which limit
movement Patients have a hard time holding and letting go of
objects Difficulty moving from one position to another (stiff,
jerky movements)
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The Client Jack Davies 12 years old 72 pounds 4’ 4” tall Diagnosed with cerebral palsy, also suffers from scoliosis
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Project Purpose Design a wheelchair capable of safely
transporting Jack across sandy terrainImportant that there be enough restraints for
Jack to be safe but also be comfortableDevice must be compatible with tumbleforms
chair that parents haveChair must also be able to support feeding
tube and accompanying backpack apparatusFor maximum comfort, chair should recline
at multiple angles
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Overview of Chair
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Division of Labor Kyle O’Brien
Mechanical Design○ Solidworks part simulations
Fabrication and Construction
Maya AlfonsoParts DesignDealer ContactFabrication and Construction
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Seat (Tumbleforms Chair) Parents are providing a seat that is tailored to Jack’s size and support needs Seat is best suited to provide
support for Jack’s scoliosis Removable to allow
wheelchair to fold smaller Allows family to replace
cushions to adjust to Jack’s figure as he grows
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Frame Platform and back frame Seat will be anchored to
back frame by very strong Velcro adhesive
Will have ability to recline at various angles
Compact frame for easy packing
Locking pin system that will allow chair to fold
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Chassis Lower section of the chair
that sits under the seat platform
Includes axels and is weight bearing portion of chair
Must be built to withstand Jack’s weight as he grows
Built to absorb some of the shock of rough terrain
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Wheels Wheelez brand
Back wheels: 49 cm PU beach wheels
Front wheels: 24 cm PU beach wheels with caster
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Reclining Mechanism
oTilt-in-space style reclining
oMultiple angles to choose from
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Completed Work Comprehensive and complete
mechanical design Parts and materials selection Strength evaluation of selected metal
parts
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Budget
Parts Estimated Cost
Frame (axle, lower frame, seat platform, back support) $1,200
Tires $400
Misc. (Velcro, pads, paint, etc.) $200
Total Cost $1,800
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The Client Matthew Davies
12 years oldCerebral Palsy98 lbs.4’ 11” tallCan walk, is receptiveUses a walker or quad-canes
to move around
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Purpose of The Project Develop a posterior walker for Matthew
that can be used across sand and other difficult terrainMust be able to provide trunk support to
promote proper gait Safety is the most important aspectMust be able to fold conveniently for easy
transportationWill have a broad height adjustment range to
make it suitable for Matthew for many years
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Divisions of Labor Matt
Mechanical DesignFabrication and Construction
DanielleOrdering Parts/Dealer ContactFabrication and Construction
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Frame Wenzelite NIMBO Young
Adult Lightweight Aluminum Posterior Walker Frame
PortabilityLightweightCollapsible
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Frame Height Adjustable height
Aluminum rods welded to original frame to extend the range
Add roughly 4 to 5 inches to the original height range
Accommodating client’s growth to an expected height of 6 feet
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Wheels Medical Wheeleez Wheels
Polyurethane balloon wheelsNon-corrosive and will not puncture8 inch diameter wheels for the back11 inch diameter wheels for the frontNew swivel casters for the two front
wheels to accommodate the change in size
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Seat Wenzelite Seat Harness
Allow for Matthew to sit and rest anywhere
Waterproof SeatNeoprene seat cover will
protect the seat from wet bathing suits
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Brakes Need disc brakes to allow optimal safety
for Matthew when he is seated
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Completed Work Ordered and received walker frame and
seat harness Ordered Brakes Wheels and accessories selection CAD design in progress
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Budget
Parts Cost
Frame 183
Wheels 475
Seat 50
Harness 50
Brakes 70
Miscellaneous 200
Shipping 100
Total ~1100
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Conclusion Priority is Jack’s and Matthew’s safety Provide client with beach travel that can
adjust to his size as he grows Design a product that is both easy to
transport and easy for parents to push and use
Design product to exactly meet the needs of the clients and their family
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Acknowledgements Davies Family Dr. Enderle Marek and Emily Jennifer Desrosiers and Kerrie Wenzler Serge and Pete – UConn Machine Shop
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QUESTIONS?