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INFRA RED
Infrared radiations (IRR) areelectromagnetic radiation that lieswithin that part of electromagnetic
spectrum between visible light andmicrowave radiation.
IR has no color, it is detected by warmth
IR is emitted from any heated bodyIts wavelength is higher than visible light
IR has a wavelength of 760nm to mm
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E!E"#R$ %A&NE#I"'(E"#R)%
INITIAL WA!" WA!L!N#T$
R RADI$*A+E' 0 %% #$ 00 -%
I INFRA RED 7.0 N% #$ 0/ %%
+ +I'I!E !I&1# /00 N% #$ 7.0 N%
) )!#RA +I$!E# 0 N% #$ /00 N%
2& 23RA4 5 &A%%A
RA4'
00 (% #$ 00
N%
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760nm to 1 mm
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"!A''IFI"A#I$N $F IR
IR
IR A
760- 1400 NM
THERAPEUTIC
IR B
1400 3000
NM
THERAPEUTIC
IR C
3000NM 1MM
NON THERAPEUTIC
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%lassi&cation of infraredradiation
Type Wae!en"t# Penet$at%on
IRA &'#o$t o$
nea$ IR(
760 - 1400 nm ) mm $ea*# to
+e$m%'
IRB &!on" o$ ,a$
IR(
1400 3000 nm Up to 1 mm to
ep%+e$m%'
IRC 3000nm 1 mm Not 'e+ t#e$apet%*a!!y
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Infrared
Infrared is produced as a result of
molecular motion within heatedmaterials. All hot bodies emit IR asincrease the temperature of anmaterial aboveabsolute zeroresult in
vibration and rotation of moleculewithin the material .
The wavelengthof the emitted IR are
determined b the temperatureof thematerial. The higher the temperatureof the bod the higher the fre*uencand the shorter the wavelength.
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Sources of Infrared
Natural sources+The sun Arti&cial sources+
,- Luminous sources- Non-luminous sources
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IR .AMP/
.UMINOU/
ENERAT
OR
NON -
.UMINOU/
ENERATOR
i i
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Luminous Lamps ieblb8
!lectricall heated &lament madeof tungsten &lament within aglass bulb which contain an inert
gas at low pressure. 'art of theglass bulb is silvered to provide are/ector.
Luminous sources emit mainl+
- "hort or near IR (IRA)
- isible light
- 0ltraviolet
http://www.newexamtable.com/luminousinfraredheatlamppatientmodel.aspxhttp://www.newexamtable.com/luminousinfraredheatlamppatientmodel.aspxhttp://www.newexamtable.com/IR175WBulb.aspx7/26/2019 Infra Red Radiation Therapy Final
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Non-luminous ie coil heater8 Non-luminous sources are those
which produce infrared radiationfrom a non-glowing source such asmoist heat pac1s and non-luminous
IR lamps Non-luminous infrared lamp
consists of a coiled resistance wire
which embedded within a ceramicinsulating material
Non - luminous sources emit mainl
long or far IR radiation.
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Absorption and penetrationof IRR
IRR is strongl absorbed near thes1in surface and the heat is carriedto deeper tissues b conduction andb the circulating /uids.
The absorption and penetration ofIRR ras depend on+
,- 2re*uenc or wavelength of the
ras
- Angle of incidence of the ras.
3- The intensit of the emitting
source.
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(ower
'maller !am9s both lminos andnon3lminos :.0 to .00 *
!arge Non3!minos 7.0 to 000 *
!arge lminos 600 to .00 *
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Cutaneous vasodilatationErythemaIncrease metabolismNeurological effectEffect on connective tissue
N.B.
In*$ea'%n" t%''e eten'%2%!%ty 2y #eat%n"t#$o"# IRR %!! not +e*$ea'e 'o,t t%''e'#o$ten%n" /o %n,$a$e+ m't 2e 'e+ %n*on5n*t%on %t# 't$et*#%n" an+ ROM ee$*%'e'
IRR is considered as
super&cial heatingmodalit
Infrared
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'ensory re9ort of the 9atient'ensory re9ort of the 9atient
Ad;sted by
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uInfrared
,. Relieve of pain. Reduction of muscle spasm
3. Acceleration of healing5. "ubacute and chronic
in/ammation ofmusculos1eletal sstem
6. Reduction of chronic mild to
moderate edema7. 'rior to stretching 8 mobili9ing
e:ercises;. "ome s1in conditions (fungal
infection
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%ontraindications
,. Acute in/ammation. Acute infection3.
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(ro9er A99lication
"hec= for anycontraindications
"lean area to be treated (osition 9atient so that the
lam9 is 9er9endiclar to the
targeted tisse Intensity< ad;st wattage or
distance of lam9 !minos > :/ inches Non!minos > ?: inches
Instrct 9atient to not move "hec= the 9atient often
Instrct the 9atient to tellthe clinician of any brning
sensation
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$a9ards and 4angers
?urns !e damage
Lowered blood 'ressure Areas of defective arterialblood /ow
4ehdration