Preventing Hand Injuries
-
Upload
asparagas2013 -
Category
Documents
-
view
220 -
download
0
Transcript of Preventing Hand Injuries
-
7/29/2019 Preventing Hand Injuries
1/45
PREVENTING HANINJURIES
-
7/29/2019 Preventing Hand Injuries
2/45
How important are your ha
The hand is one of the most complex parts of your bomovement of the tendons, bones, tissues and nervesgrip and do a wide variety of complex jobs
Without your hands it would be extremely difficult to dsimple tasks, such as opening doors, using a fork, or shoes
Your hands make you a skilled, valuable worker
The improper use or misuse of hand tools cause minhand injuries
Hand injuries are likely when the wrong tool is used ois used improperly
-
7/29/2019 Preventing Hand Injuries
3/45
How Important Are Hand
Practical Exercise
1. Tuck your thumbs into the palm
hands
2. Now tie your shoes
Its not so easy is it?
-
7/29/2019 Preventing Hand Injuries
4/45
Hand injuries can be associated wworking with machinery or equipm
The materials being used or the j
process might be hazardous Hand tools or powered hand tools
faulty or improperly used
Hand Injuries
-
7/29/2019 Preventing Hand Injuries
5/45
The most common causes of hanare:
Carelessness
Lack of awareness Boredom
Disregard for safety procedures
Distractions
Hand Injuries
-
7/29/2019 Preventing Hand Injuries
6/45
Hand Injuries
Hand injuries are difficult to repaiof the complexity of the hand
After a hand injury, the hand may
function as it did before the injuryloss of: Motion
Dexterity
Grip
Ability to complete the simplest of ta
-
7/29/2019 Preventing Hand Injuries
7/45
Hand Injuries
To avoid hand injuries: Know the hazards and dangers in the job Be aware of pinch points Be aware of hot areas
Be aware of rotating or moving surfaces Automated machinery may be controlled control, or delayed timing devices that camachine to start automatically
Loose clothing and jewelry may be caughmoving machinery
Never remove machine safeguards or opmachinery with safeguards removed
-
7/29/2019 Preventing Hand Injuries
8/45
Injury Statistics(Bureau of Labor Statistics 2006)
Nearly 205,000 injuries and illnesthe wrists/hands/fingers involvingaway from work in 2006 27% of
for that year. Incidence rate/10,000 full-time wo
All private industry = 29.6
Manufacturing = 65.6
Construction = 71.4
-
7/29/2019 Preventing Hand Injuries
9/45
Injury Statistics
(Bureau of Labor Statistics 2006)
205,000
Wrist/Hand/Finger
Injuries
1,1
Inwith Days A
-
7/29/2019 Preventing Hand Injuries
10/45
Hand Protection
Addressed in OSHA Regulation
29 CFR 1910.138 Hand protectio
-
7/29/2019 Preventing Hand Injuries
11/45
29 CFR 1910.138
States that employers shall select andemployees to use appropriate hand prwhen employees' hands are exposed such as:
Skin absorption of harmful substances Severe cuts or lacerations
Severe abrasions
Punctures
Chemical burns
Thermal burns Harmful temperature extremes
-
7/29/2019 Preventing Hand Injuries
12/45
Other OSHA Regulations Re
Hand Safety
Hand and Portable Powered Tools anEquipment (29 CFR 1910.242)
Control of Hazardous Energy Locko(29 CFR 1910.147)
Machinery and Machine Guarding
(29 CFR 1910 Subpart O)
-
7/29/2019 Preventing Hand Injuries
13/45
Hand Hazards
Punctures
Extreme
temperaturesCuts
Pinch points
Chemicals
Rotating
equipment
Blood-bornepathogen
Bee stings
-
7/29/2019 Preventing Hand Injuries
14/45
Lines of Defense
Awareness of Hazards and PreveMeasures
Personal Protective Equipment (P
Good Hygiene and First Aid
-
7/29/2019 Preventing Hand Injuries
15/45
Screwdrivers
When using screwdrivers, place the oon a flat surface or in a Dont hoyour hand!
Dont use screwdrivers as chisels or p Use the correct size driver for the scre
Dont use screwdrivers with chipped ti
-
7/29/2019 Preventing Hand Injuries
16/45
Knives
Use safety kniveswhenever possible
Keep knife blades sharp
Cut away from your body Do not use knife blades
as screwdrivers
Avoid working on thesame object when a co-worker is using a knife
Safety
-
7/29/2019 Preventing Hand Injuries
17/45
Hammers
Never use a hammer with a splinteredcracked, or loose handle
Dont use hammers with rounded strik
faces Use the correct hammer for the job
Dont strike a hammer face with anothhammer
Dont use nail hammer claws as a pry
-
7/29/2019 Preventing Hand Injuries
18/45
Hand Saws
Use moderate pressure on hack sawsprevent blade failure
Spray saw blades lightly with lubricant
use Keep blades sharp
-
7/29/2019 Preventing Hand Injuries
19/45
Chisels
When possible use a safety chise
Dont use chisels with mushroom
Use the correct chisel for the job
Dont use chisels as pry bars
Safety chisel
-
7/29/2019 Preventing Hand Injuries
20/45
Use the correct sized wrench for the jo
Dont use pliers with worn grooves or wrenches with worn or sprung jaws
Dont use pliers or crescent wrenchestight bolts and nuts
Pull on wrenches rather than pushing
Never use a cheater bar on a wrench
Wrenches
-
7/29/2019 Preventing Hand Injuries
21/45
Disconnect power tools when not in use andchanging bits, blades, and other accessories
If a power tool binds STOP! and reassess th
Wear anti-vibration gloves when using powe
that vibrate excessively Never remove guards!
Ground power tools unless double insulated
Dont wear gloves if they can get caught on
rotating parts
Secure work in a or on a bench - Doin your hand!
Portable Power Tools
-
7/29/2019 Preventing Hand Injuries
22/45
Shop Tools
Use a push stick to cut small pieces
Unplug or Lockout tools before changblades
Keep tools sharp Never remove guards
Use a drill press vise when drilling Dhold parts with your hands!
Drill press vise
-
7/29/2019 Preventing Hand Injuries
23/45
Dont wear gloves when operating bench gri
Never remove guards!
Maintain proper clearances on tool rests andguards
Use vice grips when grinding small parts
Main
1/8Maintain tongue guard
withinof the wheel
Bench Grinders
Dont use grinders on aluminum unless the wheespecifically intended for use with aluminum!
-
7/29/2019 Preventing Hand Injuries
24/45
Extreme Temperatures
Use tongs or high-temperature gloves tohandle hot or coldparts and equipment
-
7/29/2019 Preventing Hand Injuries
25/45
Bites and Stings
Use caution when moving debris piles or equipment wsitting for a long time
Dont stick your hands in holes, crevasses and other places, including work boots which have been sitting
Avoid areas where insects nest or congregate (garba
stagnant pools of water, uncovered foods and areas ware blooming)
Avoid dressing in clothing with bright colors
Don't use scented soaps, perfumes or hair sprays
-
7/29/2019 Preventing Hand Injuries
26/45
Sharps Disposal
Never dispose of used razor blades, broken glasssharp objects in regular trash cans! Keep a m
specifically for disposal of sharp objects
-
7/29/2019 Preventing Hand Injuries
27/45
Equipment Handling
Use tag lines
Wear leather gloves Never place your hand on top of the load orload and a fixed object
Inspect hooks and chain slings before use Never hang load from the hook tip, unless it
for that
-
7/29/2019 Preventing Hand Injuries
28/45
Jewelry
Remove jewelrybefore using powertools or working onmachines
Keep sleevesbuttoned
-
7/29/2019 Preventing Hand Injuries
29/45
PPE - Many Gloves forDifferent Applications
NeoprenePolyvinyl
Alcohol
(PVC)
Wire mesh
NitrileNatural
Rubber
LeatherKevlar WeldingCotton
-
7/29/2019 Preventing Hand Injuries
30/45
Which Glove is Best?
Chemical gloves must be chosen for thchemical being used
Rubber, nitrile,neoprene, PVC,PVA and othersynthetics
Work with sheet metal, glass, or heavy
These gloves Do Not provide puncture
Kevlar or Wiremesh
Operating rotary hammers and other vequipmentShock absorbing
Extreme high and low temperaturesInsulated
Equipment handling, general constructcleanup, welding, moderately hot or cohandling
Leather
Light duty material handling and cleanCottonUsesGlove
-
7/29/2019 Preventing Hand Injuries
31/45
Chemical Glove Selecti
-
7/29/2019 Preventing Hand Injuries
32/45
General Guidelines for Select ChResistant Glove Materials
Acids, but not solventsPolyvinyl chlorideAcids and causticsNatural rubber (Latex)
Solvents, acids, caustics, anNeoprene
Aldehydes, ketones, and esButyl rubber
Chlorinated and aromatic soViton
Generally resistaGlove material
Consult your Safety Department and Manufacturer data for spe
-
7/29/2019 Preventing Hand Injuries
33/45
How Chemicals Get
Permeation - Diffusion of a chemthrough a material on a molecula
Penetration Chemical enters thzippers, punctures, or seams
Degradation Chemical causes ain the physical properties of the m
-
7/29/2019 Preventing Hand Injuries
34/45
Not all Chemical Gloves are Create
Gasoline,unleaded
Sulfuric Acid(30-70%)
HydrochloricAcid (37%)
Kerosene
Diesel
Benzene
PolyAlcNitrileNeoprene
NaturalRubber
ButylRubber
Glove Materiall
Chemical
Not
Recommended
Caution
(1-4 hours)
Recommended(>4 hours)
Recommended(>8 hours)
Table adapted from: Forsberg, K. & Mansdorf, S.Z. Quick SChemical Protective Clothing. 2nd Ed. Van Nostrand Rei
-
7/29/2019 Preventing Hand Injuries
35/45
Chemical Glove Selection Ex
From the previous slide, select a the following situations
A glove that provide good protectbenzene
What chemicals is a butyl rubber good for?
Glove(s) that would be good choidiesel, gasoline, and kerosene
-
7/29/2019 Preventing Hand Injuries
36/45
Glove Care
Inspect gloves before use for tears, exwear, and punctures
Store in a clean, dry location
Discard leather and cloth gloves if thesaturated with oil or other chemicals
Leak test chemical gloves by sealing tand filling the glove with air
Use a clean plastic tube or low pressure ayour mouth!
-
7/29/2019 Preventing Hand Injuries
37/45
Glove Sizing
With a ruler, start at index finger and measure thewidth of your hand in the knuckle area
XX Lar114to 5X Larg104 to 4
Large93to 4
Mediu83 to 3
Smal72to 3
X Sma62 to 2
SizeDistance
-
7/29/2019 Preventing Hand Injuries
38/45
Hand Care
Avoid washing your hands with solvents, ha
or abrasives
Clean and bandage all cuts and abrasions
Immediately remove any imbedded foreign m
Wash immediately after using any chemical you did not detect leakage
Pay attention to skin rashesget an immedi
evaluation
Wear cotton gloves under rubber gloves to r
sweating
-
7/29/2019 Preventing Hand Injuries
39/45
Types of Injuries
Cuts, fractures, punctures and amputations Cuts or lacerations May sever nerves, tendons o
become infected Fractures can damage nearby tissue and be diffic
Dermatitis and burns are caused by direct cochemicals, detergents, metals, or very hot or
Dermatitis may show up immediately after contacchemical causing the skin to become red, swollenburning, and may develop blisters
Dermatitis may develop after several contacts witknown as sensitizers - Nothing happens initially, lwith the chemical produce an allergic reaction
Carpal tunnel syndrome results from prolong
work with the hands - This condition can be and can have a variety of temporary symptoswelling, tingling, numbness, and pain in thefingers
-
7/29/2019 Preventing Hand Injuries
40/45
First Aid
Cuts: Apply direct pressure to a large or bleeding cut and eabove the shoulder - Clean a small cut with soap and warmit with a sterile bandage
Burns: Immerse in cool water or run cool water over the bu
Broken bones: Keep the hand still and get professional hel
Amputations: Apply pressure to the injured area immediateamputated part in a plastic bag and put it in ice water or iceallow the amputated part to come in contact with the ice!
Sprains: Apply cold compresses to reduce pain and swellin
Chemical burns: Rinse with running water for at least 15 m
Heat burns: Soak minor burns in cold water, then apply a sA burn that is charred or blistered requires medical attentio
-
7/29/2019 Preventing Hand Injuries
41/45
Hand Exercises
Doing a few simple exercises before wbetween tasks will build hand strength
provide a rest from repetitive motions
Exercises: Stretch fingers by spreading them wide afew seconds (Repeat 3 times with each h
Stretch your thumb by holding it down geseconds (Repeat 3 times with each hand
Stretch your wrist by making circles with y(Repeat 10 times for each hand)
-
7/29/2019 Preventing Hand Injuries
42/45
This could be you!
So watch out!!!
-
7/29/2019 Preventing Hand Injuries
43/45
-
7/29/2019 Preventing Hand Injuries
44/45
-
7/29/2019 Preventing Hand Injuries
45/45