Neurotherm JK-3 User manual

NEUROTHERM

RADIO

FREQUENCY MODEL

JK3

LESION

GENERATOR

OPERATORS

GENERAL

TECHNICAL

DESCRIPTION

3.1

INTRODUCTION

DATA

OPERATING

3.1.1

3.1.2

3.1.3

OF

SELECT

IMPEDANCE

STIMULATE

TABLE

CONTROL

PANEL

LAYOUT

MODE

OF

SWITCH

METER

SECTION

MANUAL

CONTENTS

1-1

2-1

3-1

3-2

3-3

3-4

3.1.4

3.2

3.3

CHECK

BACK

FRONT

AND

STERILISATION

LESION

PROCEDURES

MAINTENANCE

ACCEPTANCE

APPENDIX

EC

DECLARATION YEAR PULSED

2000

RF

CONFORMITY

DETAILS

LESION

PANEL

TEST

PROCEDURES

TESTING

POWER

LAYOUT

PROCEDURES

OF

CONFORMITY

SECTION

3-5

3-7

3-8

4-1

5-1

6-1

7-1

8-1

26

November

1998

Rev

3

Using

Introduction

There patient

The operating

the

NeuroTherm

are

times

but

the

Stimulation

correctly.

Preparation Ensure

that

the

Contents

when

the

patient

Test

does

Kit

The

Stimulator

Red

Circular

Blue

Instructions

Stimulation

cannula

not

feel

Test

Kit

and

thermocouples

any

stimulation.

provides a positive

test

can

be

performed

Test

Kit

is

kept

sterile

cable

test

block

sterilising

for

tray

use

test

that

within

and

look

to

the

electrode

the

sterile

always

be

properly

and

RF

field.

available.

positioned

lesion

generator

in

the

are

Sterelisation After

use

normally

Sterilize

Check When turn

LESION

Check Ensure place

Check Plug block

Switch note

Thermocouple

the

green.

the that

in

the

on

the

Instructions

the

Stimulation

available

by

autoclave

thermocouple

When

mode

Reference

the

patient

Stimulation

red

test

the

sterile

JK3

meter

cleansing

as

inserted

will

read

Plate

reference

check

lead

into

trolley.

into

STIMULATOIN

increases

Test

Kit

agent.

for

porous

1s

plugged

into

between

plate

is

the

IMPEDANCE.

the

JK3

up

to 2 Volts

should

materials.

into

the

cannula

35° and

properly

and

mode,

approximately.

be

cleaned

the

JK3

the

38°C.

connected.

the

other end

set

as

per

Maximum

the

red

LED

permitted

temperature

With

into

the

to

100

Hz

institutional

policy

temperature

labelled

reading

the

thermocouple

test

or 3 Hz,

THERMOCOUPLE

on

the

round

block.

turn

up

using

JK3

in

and

Place

the

amplitude

any

140°C.

TEST

cannula

the

will

or

in

test

and

Remove end

With

This

of

the

is

the

proof

sterile

thermocouple

amplitude

positive

cannula.

Repositioning If

all

is

correct

Continue

If a satisfactory and

keep

ready

to

turn

patient.

When

the

with

to

reposition

threshold

the

stimulation the

amplitude

stimulation

thermocouple

onto

the

turned

that

up a buzz

the

stimulation

Electrode

the

machine

until

the

patient

cannot

on

while

down

1s

felt

from

the

sterile

block.

(100

and

electrodes

feels

be

found

the

needle

or

off

as

properly

patient,

HZ)

or a tick

voltage

then

the

stimulation.

turn

up

is

slowly

soon

as

test

for

the

cannula

(3

Hz)

is

actually

the

being delivered

position

stimulation

moved

stimulation

the

sensory

1999

can

stay

in

will

be

heard.

of

the

cannula

voltage

around.

is

felt

as

Ensure

it

threshold

Using

the

place,

to

the

to

0.5 an

can

be

turning

Stimiziattoni

and

touch

tip

of

is

suspect.

Volt

(or | Volt)

assistant

painful

up

from

Pest

bot

the

1s

for

the

zero

NEUROTHERM

RADIO

FREQUENCY

MODEL

JK3

LESION

GENERATOR

1-1

OPERATORS

GENERAL

The

Neurotherm

features

The the discrete

It

is

Analogue and

The power

required

front

controls

area.

designed

rf

voltage,

lesion

and

INTRODUCTION

Radio by

practioners

panel

has

been

via

sterilisable

for

safe

meters

stimulation

are

and

digital

generator

Frequency

ergonomically

knobs.

use

in a low

used

to

facilitate

displays

has

full

electronic

voltage.

Lesion

for

pain

Each

light

are

relief

designed functional

x-ray

immediate

used

MANUAL

Generator

clinic

work.

and

has

allows

effect

theatre

environment.

visual

for

impedance,

interlocking

to

been

designed

the

clinician

of

the

device

interpretation

stimulate

prevent

is

of

voltage

accidental

to

offer

the

direct

defined

manipulation

within

temperature,

and

lesion

switching

full

range

rf

time.

to

of

it's

own

current

lesion

The

internal

approved

The from

technicians

machine

other

compromise

settings

of

the

authorised

is

designed

for manufacturers the

safety

of

the

machine

by

use

with

could

patient,

have

been

the

company.

NeuroTherm

give

serious

and

would

factory

Thermocouple

errors

negate

set

and

in

the

warranty.

should

not

Probes.

temperature

be

adjusted

The

reading

use

except

of

probes

and

may

by

26

November

1998

Rev

3

NEUROTHERM

RADIO

FREQUENCY

MODEL

JK3

LESION

GENERATOR

2-1

OPERATORS

TECHNICAL

SIZE

Width

Height Depth

WEIGHT

8.9Kg

ELECTRICAL

DATA

400

mm

(15.7")

172

mm

(6.8")

430

mm

(16.9")

(19.5lbs)

MANUAL

UK USA

230

110

The connected

volt

50

volt

60Hz

power

Hz

Fused 1 Ampere

Fused 2 Ampere

supply

to

TYPE

CLASS

is

mains

BF

II

built

to

earth.

(Class

EQUIPMENT

on

Class

II

live

and

live

and

II

standard.

BF).

neutral

Neutral

The

instrument

is

not

STANDARDS

This

instrument

and

MDD

complies

93/42/EEC

with

Class

BS

IIB

5724

and

IEC

601-1

26

November

1998

Rey

3

NEUROTHERM

RADIO

FREQUENCY

MODEL

JK3

LESION

GENERATOR

2-2

OPERATORS

MANUAL

IMPEDANCE

Measuring

Digital

Accuracy

Digital

frequency

Display

Reading

53

KHz

0-2000

+

20%

Digital

display

approx

Ohms

(in 1 ohm

reads

biological

steps)

impedance

Self

Test

500

+5%

Ohm

STIMULATOR

Voltage

Amplitude

Continuously voltage in

0.01

supplied

Volt

steps.

variable

between 0 - 2 volts.

is

displayed

on

the

Digital

The

Meter

Accuracy

Pulse

Rates

Pulse

Width

Waveform

Lamp

Test

Indicator

Facility

+

5%

of

reading

3

or

100

ImSec

Biphasic

Green

pulses.

LED continuous Indicator

When will

only

Needle

indicate

Hz

(pulses

Negative

flashes

at a pulse

lights

is

touched

that

output

per

at

pulse

rate

when

second)

pulse

rate

of

100

output

on

Test

is

present

leading

of 3 Hz

Hz.

is

present

Block

and

is

sounder

26

November

1998

Rev

3

NEUROTHERM

RADIO

FREQUENCY

MODEL

JK3

LESION

GENERATOR

2-3

OPERATORS

RF

LESION

RF

Power

Pulsed

Voltmeter

Self

POWER

frequency

Output

RF

Power

Test

(Continuous

RF

MANUAL

Power

300

or

kHz

Continuously

Watts

I

watt)

The

set

every

500

0 - 40

Into

200

Pulsed

(+10%)

into

200

Power

mSec

RF

Volts

Ohm

RF

Power)

sine

wave

variable.

Maximum

Ohms.

Output

dummy

load

power

(Cordotomy

is

applied

resistance

output

socket

for

20mSec

built

into

8

0-

machine

LESION

Lamp

Indicators

TIMER

Range

Time

Indicator

Audible

Indicator

Amber and

Timer

120 power lesion Switch resets

Clock

LED

power

counts

or

180

is

turned

power

to

the

Indicates lesioning. tone

sounds needle. Power point

A

one

Tone to

for

the

second

flashes

is

active.

down

seconds.

off.

is

established.

any

position

time

to

its

amount

At

the

and

can

be

the

OFF

when

from

Timer

set

point.

end

of

power

stopped position.

lesion.

indicates

this

facility

preset

stops

can

Turning

other

of

time

the

preset

is

removed

by

Timer

the

is

times

when

be

restarted

the

than

"LESION"

remaining

period

turning

resets

clock

in

circuit

of

60, 90,

lesion

when

Function

for

alarm

from

the

is

the

Lesion

to

set

running.

.

TEMPERATURE

Meter

Range

MONITOR

30°C

to

100°C

26

November

1998

Rev

3

NEUROTHERM

RADIO

FREQUENCY

MODEL

JK3

LESION

GENERATOR

2-4

OPERATORS

MANUAL

PROBES

No

Use

only

NeuroTherm

Thermocouple

LAMP INDICATOR

SAFETY

FEATURES

Safety

Cut

Out

probes

individual

LED

shows

or

Red

with

Lesion

Power

temperature

Power

will temperature the

set

limit.

Green

thermocouple

reaches

switch,

automatically

of

adjustment

with

is

the

tip

necessary

thermocouple

disconnected

automatically

set

limit

as

determined

70°C,

80°C,

increase

of

the

again

probe

connected

or

reduced

90°C.

once

drops

faulty.

if

by

Lesion

the

below

Safety

Interlock

On

Pulsed

Lesion

Power

Control

prevents power. control out.

1

metre.

If is

This

RF

temperature

cannot

is

first

any

accidental

the

lesion

on, a high

warning

be

set

power

pitched

tone

is

limit

is

42°C.

delivered

to

the

OFF

unless

position,

application

is

selected

warning

tone

approximately

of

and

the

power

is

given

80dB

RF

this

RF

at

26

November

1998

Rev

3

NEUROTHERM

RADIO

FREQUENCY

MODEL

JK3

LESION

GENERATOR

2-5

OPERATORS

EARTH

LEAKAGE

Tests

carried

out

DATA

as

per

IEC

601-1

MANUAL

TYPICAL

MAXIMUM

ALLOWABLE

VALUE

Enclosure

Single

Patient

Single

Patient main Leakage-Mains

leakage

Fault

condition

leakage

Fault

leakage

current

applied

normal

with

to

Output

applied

2.5

microamps

{0

microamps

2.5

microamps

10

microamps

10

microamps

10

microamps

100

microamps

500

microamps

100

microamps

S00

microamps

100

microamps

5

milliamps

26

November

1998

Rev

3

Neurotherm JK-3 User manual

Specifications and Main Features

Frequently Asked Questions

User Manual