Metra Electronics DAT Combo Manuel d'utilisateur télécharger pdf (Page 36)

Tuning

in

on the

bodys

ills

Electronic

medical

system

devised

by

Honeywell

(right)

can

simultane-

ously

measure,

record,

and

display

a wide

range

of functional

changes

that

can

occur

in

any patient.

Main

elements

of system

are KP -731

multi-

channel

oscilloscope

(top

right),

1508

Visicorder

(middle

right),

and

8100 -II FM

portable

tape

recorder/

reproducer

(top

left).

Also recording

data for

later

playback

is

the

Mayo

Clinic -IBM

radiation

scanner

(below,

right).

Unlike

ordinary

scanners

which

produce

a paper

chart

or

film

image,

the

Mayo

-IBM

system

records

all

data

on

magnetic

tape

for

computer

processing,

thus

giving

doctors

a clearer

view

of

images

painted

by radioactivity

.

vices

for biomedical

applications

known."

Dr.

Goldsmith

is

so enthusiastic

about

the

amplifier

he hopes we will

one

day

improve

electron

-optical powers

to

the

point where

sequences

of

nucleic

acids will

be

seen,

classified,

and their

significance

N

isually

de-

coded.

Living

Color.

Probing

even more

deeply

into human

body

secrets

is

the

Picker

Magna

-

Scanner,

a

new

machine

that will

scan

inner

organs

and

glands

in

both black-

and -white

and

color.

Mounted on

the

end

of a

beam

on

a scanner

that

can be

rolled

across

the

room

and

wheeled

right

up

to

a patient's

bed-

side,

the machine

scans

radioactive

material

inside the

body.

A photorecorder

picks

up

a black

-and-

white

picture

of

the organ

or gland

involved

at the same

time

a multicolor

dot

recorder

pictures the

same

areas

in eight

colors. The

two systems,

black

-and -white

and

color,

are

designed

to supplement

each other,

showing

different

versions

of

the same

organ

to

the

diagnosing

doctor.

Already

in use

at

Cedars

of Lebanon

Hos-

pital in Los

Angeles,

the scanner

pictures

a patient's

liver, spleen,

pancreas,

parathy-

roid, brain, heart,

lungs,

thyroid, kic;neys

or

spine.

Sound Tells.

Sound waves

can

diagnose,

too.

Doctors

at the Albert

Einstein

Medi-

cal

Center

in Philadelphia

say

a good

many

elderly

patients

cannot

take

prolonged

X -ray

examination,

so

a

medical -engineering

team

40

built

a machine

that scans

people with

sound

waves.

High- frequency

sound

cites vascular

disease,

particularly hardening

of

the arteries,

by photographing

an artery blocked

by de-

posits

or harmed

by

an

aneurysm.

Ultrasonic waves

at a frequency

of

about

2

MHz

reflect

from body

tissues,

register

an

image on

an oscilloscope,

and

are

then pho-

tographed

for

future

records.

Skin

Changes.

Even

a more

revolution-

ary diagnostic

tool is one

that spots

disease

by

skin -temperature

changes.

Called thermography,

the technique

hinges

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