5/12/2015 1 Members Guide Albin Poulose Mr. Nobu Karippai Aliya Abdulla A R Reshma Anjun George...

04/18/231

Members Guide

Albin Poulose Mr. Nobu KarippaiAliya AbdullaA R ReshmaAnjun GeorgeJintu Johny

Finger Strength Measurement SystemFinger Strength Measurement System

SAHRDAYA COLLEGE OF ENGINEERING & TECHNOLOGYPB No 17, KODAKARA, THRISSUR-680684

04/18/23Sahrdaya college of engg & Tech2

“Twenty percent of all hospital admissions are hand-related. Neuromuscular disorders like spinal cord injuries, LouGehrig's, diabetes, multiple sclerosis – all these diseases affect the intrinsic hand muscles,”

(Hospimedica international vol 27, no.7, 11/2009)

Aim of ProjectDesign an instrument to measure the

strength of the fingers

ObjectivesTo diagnose hand injuries and muscle

disorders in handTo help the doctor in diagnosis of disease To help patient

04/18/233 Sahrdaya college of engg & Tech

Why ????Diagnose CARPEL TUNNEL SYNDROME

CTS (A neurological disorder)

Carpal tunnel syndrome is the most common nerve compression disorder of the upper extremity. This process affects 1 percent of the general population and 5 percent of the working population who must undergo repetitive use of their hands and wrists in daily living.

According to the U.S. Bureau of Labor Statistics, nearly two-thirds of all occupational illnesses reported, were caused by exposure to repeated trauma to workers upper body ( the wrist, elbow or shoulder ). One common example of such an injury is carpal tunnel syndrome.


What is CTS??


Carpal tunnel syndrome is pressure on the median nerve -- the nerve in the wrist that supplies feeling and movement to parts of the hand. It can lead to numbness, tingling, weakness, or muscle damage in the hand and fingers.

Symptoms Weak grip or difficulty carrying bags (a common complaint) Weakness in one or both hands Numbness or tingling in the thumb and next two or three

fingers of one or both hands Numbness or tingling of the palm of the hand Pain extending to the elbow Pain in wrist or hand in one or both hands Problems with fine finger movements (coordination) in one

or both hands Wasting away of the muscle under the thumb (in

advanced or long-term cases) (ref:-

http://www.nlm.nih.gov/medlineplus/ency/article/000433.htm)

Some Statistics - disorder affecting 7% of population - 14% of physician visits and 19% of hospital

stays. 62% of the persons with musculoskeletal disorders report some degree of limitation on activity

- according to the National Institute for Occupational Safety and Health.

- Presently, 25% of all computer operators have Carpal Tunnel Syndrome, 50% of the entire workforce may be affected.

(reference : http://www.repetitive-strain.com/national.html)


How we did????


Major components


Force sensing unit -force sensing resistors (decrease

resistance with an increase in force appliedMicrocontroller -PIC16F877ADisplay Part - LCD displayMechanical unit

Mechanical Design


Working….Switch on power supplyPlace finger in loopImmobilize rest of the fingers (to prevent force

exerted by rest of the finger)Patient will ask to lift the fingerLCD will show the force valuesFinalize the maximum valueIt will be compared with the pre set valuesIf any abnormality alarm will be thereSeveral switches are provided to set the values


ResultFound the strength of fingerSurvey was conducted in Sahrdaya College

of Engineering & Technology and in a hospital

Patients whose finger strength is below 1000 mN was found to be defective


Advantage Easy to measure finger strength and to

diagnose problems in fingerHelpful for doctors in quantizing the data of

patients who found to be defective Can record for future referenceUsers can set the detection limitHelpful for patients (can check the strength

by themselves there by preventing continuous consultation)

Check the improvement after medicationComplete patient isolation board


Disadvantages


Need little manual effort to find the strength

No inbuilt storage capacityMax force can be applied is 6000mNPresently no comparison set is includedNeed little more research

Marketing strategies


Presently no such equipment in marketCost is very lessAffordable for common manDoctors preferring such type of equipmentManufacturing is simple More facilities can be included

Technical specification of present prototype


Power supply: 230V, 50HzMaximum current:- 500mAPower rating :- 5WMax Force:- 6000mN

Future plansMemory chart system have to be set for

future referencePerfect immobilizers have to be madeErgonomics of the system to be made user

friendlyChart printer has to be madePlanning to give prescriptions along with

the check up, so patients can practice it.


ConclusionSuccessfully completedDefinitely simplify the task of doctor in

diagnosisPatients can reduce the frequent check upHope to make a change diagnosis set up


Referencehospimedica international vol 27, no.7,

11/2009http://www.nlm.nih.gov/medlineplus/ency/

article/000433.htmhttp://www.repetitive-strain.com/

national.htmlBasic biomechanics 4th edition Susan J HallEmbedded computing with PIC 16F877A Dr.

Charles Kin



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5/12/2015 1 Members Guide Albin Poulose Mr. Nobu Karippai Aliya Abdulla A R Reshma Anjun George...

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