Team Members:Team Members:Jason ThomasJason Thomas

Jessica SampsonJessica SampsonRyan CapellRyan Capell

September 21, 2006September 21, 2006

ObjectivesObjectives

To design and build an apparatus to test To design and build an apparatus to test the hip and knee joints of children, ages 6 the hip and knee joints of children, ages 6 to 15, using an Isometric (static) test. to 15, using an Isometric (static) test.

Major sub-systems:Major sub-systems:– FrameFrame– Transducer and Mounting SystemTransducer and Mounting System– ChairChair– Data AcquisitionData Acquisition

FrameFrame

31” tall x 6 x 3 x 3/16”31” tall x 6 x 3 x 3/16”Alcobra, Spokane, WAAlcobra, Spokane, WA

StabilityStability– Attached by high “L” Attached by high “L”

bracketsbrackets– Gussets Gussets

Transducer Mount:Transducer Mount:– Transducer is 26” off Transducer is 26” off

groundground– Bullet-Nose IndicatorsBullet-Nose Indicators– Toggle ClampsToggle Clamps

MSC DirectMSC Direct

~30 lbs total~30 lbs total

ChairChairAdjustable up/down Adjustable up/down for any leg lengthfor any leg length– 10” lift mechanism w/ swivel10” lift mechanism w/ swivel

– 5” lift, no swivel5” lift, no swivel

– Ratchet SystemRatchet System

Hand Rails and Hand Rails and Back Rest Back Rest – StabilityStability

Ratchet system for rails and seat lift

Transducer and Mounting systemTransducer and Mounting system

Location 1: Frame

Location 3: Baseplate – Knee Rotation

Location 2: Under the chair – Abd/AdductionFlange with mounting system

Attachment arm and Padding

Transport / SetupTransport / Setup

TransportTransport– Wheels for transportationWheels for transportation– Handles on framesHandles on frames

SetupSetup– Rubber pads on the bottom of the Rubber pads on the bottom of the

base plates for “latch” stability base plates for “latch” stability

OROR

– Rails on frame baseplate to allow Rails on frame baseplate to allow movement from chair baseplatemovement from chair baseplate

Data AcquisitionData Acquisition

DataQ with Excel DataQ with Excel conversion programconversion program

Excel input Excel input compatibility compatibility

User-friendlyUser-friendly– Meeting with Dr. Meeting with Dr.

Browder for detailsBrowder for details

DataQ

TorqueTransducer

Computer(Excel)

SignalConditioner

ItemItem BudgetBudget PricePrice

TransducerTransducer Transducer - FlangeTransducer - Flange $1281$1281

Flange AttachmentFlange Attachment $10$10

Flange Mount Flange Mount $10$10

ChairChair Lift System Lift System $140$140

Ratchet, tubing, pad, wood, Al. plates Ratchet, tubing, pad, wood, Al. plates $200$200

FrameFrame 31” Rectangular tube31” Rectangular tube $65$65

Gussets, L-bracketsGussets, L-brackets $30$30

BaseplatesBaseplates ¼” Aluminum plates¼” Aluminum plates $50$50

Computer Computer DataQ system, Excel compatibilityDataQ system, Excel compatibility $153$153

FastenersFasteners Toggle Clamps (6) @ $10Toggle Clamps (6) @ $10 $60$60

Bullet-nose indicators (6) @ $3Bullet-nose indicators (6) @ $3 $18$18

Misc.Misc. Misc. Items; fasteners, USB cordMisc. Items; fasteners, USB cord $140$140

Poster and Presentation MaterialPoster and Presentation Material $50$50

Facilities, Mentor supportFacilities, Mentor support $1250$1250

TotalTotal $3457$3457

QuestionsQuestions

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