166309989 blood pressure monitor pptx

7/24/2019 166309989 Blood Pressure Monitor Pptx

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OSCILLOMETRIC BLOOD

PRESSURE MONITOR

Presented by :

K A Vikas CRF20113626


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Contents2

Introduction

Techniues

Princi!"e#yste$ %ayout

Tec #!ec

Ad&anta'esPrecautions

Conc"usion

Centre (or A!!"ied Research in )"ectronics 31 *ar 2012


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Introduction

3

+hat is ,"ood Pressure -

It is de(ined as the a&era'e arteria" !ressure.e/erted by b"ood a'ainst the arteria" a""s durin' a

sin'"e cardiac cyc"e



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Introduction

4

#ysto"ic

!ressure durin' &entricu"ar contraction .systo"e as

the heart !u$!s b"ood into the aorta It is the hi'her

o( the to !ressure $easure$ents

4iasto"ic

a(ter systo"e5 the &entric"es re"a/ .diasto"e5 arteria"!ressure dec"ines and the heart re(i""s ith b"ood5 the"oest !ressure reached durin' &entricu"ar re"a/ationre!resents the diasto"ic b"ood !ressure



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Introduction

5



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Introduction

6

)/a$!"e

120 #ysto"ic Pressure

0 4iasto"ic Pressure

+hy do e $easure ,"ood Pressure -

because s$a"" chan'es in the !ressure readin'so&er a !eriod o( ti$e can 'i&e us c"ues about the

cardio&ascu"ar and res!iratory hea"th o( the!atient



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Techniues

!

In&asi&e

direct $easure$ent o( arteria" !ressure by !"acin' acannu"a need"e in an artery5 to $onitor the b"ood !ressure rea"ti$e.rather than by inter$ittent $easure$ent

7onin&asi&e

Auscu"tatory $ethod usin' stethosco!e and

s!hy'$o$ano$eter

8sci""o$etric $ethod



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Princi"#e

$

+hat is 8sci""o$etry -

Findin' the b"ood !ressure by sensin' the $a'nitude o( osci""ations

caused by the b"ood as it be'ins to ("o a'ain into the ar$

The cu(( is in("ated abo&e the systo"ic !ressure to occ"ude

the ar$ 4urin' de("ation5 a sensor in the $onitor detects

air !ressure chan'es that corres!ond to arteria" &o"u$e

chan'es ,ased on the osci""ations5 the systo"ic anddiasto"ic !ressures are ca"cu"ated



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Princi"#e

%

8sci""o$etry



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Princi"#e&'

Ty!e o( #ensor used

!ressure transducer as a $odu"atin' transducer

Re!resentin' the sensorIn!ut ener'y do$ain *echanica"

8ut!ut ener'y do$ain )"ectrica"

Au/ in!ut ener'y do$ain )"ectrica"

Re!resentation ( E#e) E#e) Mech *

Centre (or A!!"ied Research in )"ectronics 9 #e!te$ber 2013


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S+ste, L-+out&&

,"ock dia'ra$ o( the de&ice



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S+ste, L-+out&2

Pressure #ensor Ty!e its a !ie;oresisiti&e 'au'e ty!e sensor 'eneratin' out!ut&o"ta'e !ro!ortiona" to the a!!"ied !ressure ith hi'h accuracy

,ui"d $ono"ithic #i"icon in hich the strain 'au'e5 dia!hra'$ andresisti&e netork are inte'rated on the sa$e chi!

Features te$!erature co$!ensation and o((set ca"ibration

3 Characteristics

sensin' ran'e 0 to


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S+ste, L-+out&3

8ther sub units o( the de&ice

Prea$!"i(ier and A$!"i(ier

A4Cs

Fi"ter

Co$!arator

*icrocontro""er

Air Pu$! and Contro" Va"&es

>#, and $e$ory card inter(ace

Poer *ana'e$ent PC, %C4 dis!"ay



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S+ste, L-+out&4

#ub units o( the ,P $easurin' de&ice



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Technic-# S"eci.ic-tions

&5

Para$eters*onitor ty!e Auto$atic in("ate

*easure$ent $ethod 8sci""o$etric

4is!"ay %iuid crysta" di'ita" dis!"ay

*easure$ent ran'e 20 20 $$?'

Pu"se rate 202


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/d0-nt-1es&6

8&er other $easure$ent

techniues )ase o( use

*u"tiuser *e$ory (unction

A&era'e readin's

,ack"it %C4 dis!"ay

%on' battery "i(e

*o&e$ent indicator

4ata stora'e and trans(er o!tion

#!ares )asi"y a&ai"ab"e

)n&iron$ent (riend"y


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Prec-utions

&!



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QUESTIONS ??

166309989 blood pressure monitor pptx

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