Johnson Malis CMC III Service manual

The

M

ALISTM

El

ectrosur ical

y em

Bi

olar

C®-III

Service Manual

~~

PROFESSI

RAYNHAM,

·

CMC

is I regisll<ed noarnarlt

ONAL, IN

MA

02767-0350 USA

~

if

•

01

JoMscn

.........."o/

Lecnln;ll.

& .Jotr\sorI

C.

Malis. IolD.

Proleucn:l~

II'IC.

TABLE

' .0 Scope .......................

2.0

Warranty ..................

3.0

Service and Repair ....................................

4.0

Warnings

5.0

Funct

5.1 Product Description ................................ 1

5.2

5.3

5.4 Footpedal Controls ....................

5.5

5.6

6.0 Technical Description ................................. ... 4

6.1 Printed Circuit Boards ............................

6.2

6.3

6.4

6.5 Operational Performance ....... .............

6.6

6. 7

6.8

7.0 Replacing Internal Fuses ............................ 14

8.0 Maintenance .

9.0 Routine Cleaning ......•................................. 15

10.0 Sterilization ..... .......................... ................ 15

11

.0

Block

12.0 Schematics .........

13.0

PCB

Parts

14.0

OF

CONTENTS

........

.......................

...............................

..

..

IFe
IFe
IFe

and Cautions .............................

ional Description

of

Controls and Indicators .....................

Generator Controls ........................... ...... 1

Remote Control Set Controls .................. 2

__

Indicators ............. ............................ _ ... _

Connections ............................................ 4

Theory of Operation ................................ 5

Master List of Card
Connector Signals

Test

Points ............. ...............................

Calibration .......................................... .. 12

Technical Specifications ............. .......... 13

Trouble Shooting Guide ........................ 14

......

Diagrams ......................................... 16

Layouts and Assemblies ................... 34

List ...................................................

..

.............

......................... ............... 15

....

..................................

......

.....••..

IFe

_.

........... 2

..

..

10
11

..

12

20

46

3

4

1.0 SCOPE

This

manual
allow a qualified Service Techn ician to perform
maintenance
under

warranty, please refer to Section 2.0 .

contains the necessary information

and repair in

the

field.

If

the unit is still

to

mproper

i
IN LIEU
EXPRESS OR IMPLIED , INCLUDING ANY
RANTY
FOR
use
determined
for

incidental

1

3.0

For
tor

and

representative directly

Service,
The

Include with the unit a repair purchase order number,

the

serial

description
The

Replacements are

4.0

service.

OF

OF

A PARTICULAR

of

the

device for

THE

ABOVE WARRANTIES

ALL OTHER WARRANTIES, EITHER

MERCHANTABILITY OR FITNESS

PURPOSE

any

surgical procedure shall

by the

user

. Codman shall not be liable

or

conseque~tiaJ

. Suitability for

damages

SERVICE AND REPAIR

service

sales representative coordinates the return to:
Codman

c/o Johnson & Johnson Professional, I

4969

Philadelphia, PA

MAllS

Johnson
325 Paramount Drive
Raynham, MA 02767-0350

or

repairs

footpedal,

to

the

MALIS CMS-III genera-

contact

your local Cadman

or

through Cadman Customer

1-800-225-0460.

Repair Service

Wakefield

number of the generator,

of

the problem.

CMG-rrr Remote Control is not repairable.

& Johnson Professional, Inc.

Street

19144

and

available from:

WARNINGS AND CAUTIONS

4.1 WARNINGS

00

not

attemp

the

generator by using a 3-prong to 2-prong adaptor.

The

generator must be properly grounded to
operator
can

be achieved only
tacle

marked

Always
ate type and value fuse (see Technical Specifica­tions).

The
user. Unauthorized modifications
cause

replace the

unit should not

it

t to bypass the grounding prong

and patient safety. Grounding reliability

when

connected

"Hospital

to

malfunction

Only"

system's

be

modified in any way
or

or

" Hospital Grade

fuse with the appropri-

to

fail in use.

the unit

WAR·

of any kind.

nc.

a written

ensure

to

a receJr

by

may

ARE

be

sales

on

".

any

2.0 WARRANTY

The

MALIS

(catalog no. 80-1170) is warranted for one full year

date

from
Set

which
CMC-1I1
materials and workmanship. This warranty
apply
failure
ing

to
unauthorized parts
abuse,

Bipolar Electrosurgical System CMC-III

of

purchase, except

is warranted for

is

warranted

where

to
the

service is required

operate

Instruction Manual, (ii) Buyer's use

misuse

to

be free from defects in both

or

maintain the Equipment accord-

or

consumables, (iii) accident,

, modification or misapplication,

the

six

months. The

due

Remote Control

to

MALIS

shall not

(i) Buyer 's

of

or

(iv)

4.2 CAUTIONS

Continuous power
remote control, must
a 4O-second rest period.

Close proximity of
Electrosurgical Units producing EXCESSIVE RF
CURRENT
produce
power

We

recommend the
CAL
electrosurgical device

RADIATION

voice annunciation and possibly output

.

SEPARATION

output

be

this

user

of

, by

either

footpedal

limited to

unit

and its cables with

may

insure MAXIMUM PHYSI·

this

unit from any other

and

its cables .

cause

20

seconds, with

this

unit

or

some

to

5.0 FUNCTIONAL DESCRIPTION
OF CONTROLS

5.1

PRODUCT DESCRIPTION

The

MAUS

(catalog no. 8()'1170) includes:

1.

The

2. A wireless
settings
lation functions;

3. An Adapter Cable to allow the use
Irrigator
with the

The generator

footswitch (catalog no.
tootswitch (catalog no. 80-1149) both available

separately. The generator is equipped with a voice
synthesizer that provides an audible indication of
changes
option, it also announces the operating mode and

power

performed. With the exception of the generator,
above system components may also be ordered

separately.

MAUS
insulated and
separately, as
cords.
Irrigation
CODMAW
designed

and

the

In bipolar coagulation,
onty in
requirements.
should

so

all

current

of

the

no

current

ground.

dent

upon
meet, as
immersed.
lel.

and

major

shunting
bowed
blades

be

mainly

lowest

vides

the

tips

with

shunting.
The

MAUS
provides
cutting
shifting
automatically
the

high

Bipolar

Generator;

Remote

as

well

as

and/or a MALIS Bipedal Electric Footswitch
CMC-IJI

to

setting

Bipolar

The

Irrigator together.

the

be isolated

separated forceps.

The

well

the

or
are

possible

the

the

of

all

the

power

.

is

compatible with both a pneumatic

the

power settings. At the surgeon's

each

Cutting

non

are

System

Module

to

flow

the

angled

between

best

(catalog no. 80-1164).

Floorstand

accommodate

isolated output

The

flow

from

current

tip

size

as

the

11

the

forceps

forceps

in

the

so

still

well

generator

maintenance

least

decrease

Bipolar

higher

tissues

low

impedance

to

match

cut

AND INDICATORS

Electrosurgical System CMC-III

Control

operating

8(H173)

time cutting

Forceps

insulated

reusable

may

for

the

output

from

ground

takes

place between

either

geometry

and

medium

are

deep

saline.

the

tips
separated ,
the

tips

Electrosurgical System CMC-III

energy
, including

the

settings.

for

changing power

the

cutting

and

or

coagulation is

and

forceps

and

disposable bipolar

be

used

MALIS

the

CMC-III

electrical difference is

and

in the lower power

of

the

bipolar generator

as

There

the

blades

output

should

side

of

will now

angle

in which they are

are

in

saline,

If

the

almost

the

with

little shunting. The

impedance pro-

01

power

in coagulation

output

dense

of

the

micro cutting

power

requirements

and

of

a MALIS

an electric

standard

are available

with

the

MALIS

The

CMC-IIIIII is

Generator

much

as

possible.

the

two

be

virtually

the

forceps

be

depen

at

which

virtualty paral-

there

will

forceps

meet

current

needed

are

while

flow

at

the

forceps

due

for

fibrous layers ,

coagu-

to

the tips

rapid

aU

tips

be

the
will

to

of

the

-

5.2 GENERATOR CONTROLS
and 2)

A.

Power

Controls

B.

Cutting
Used
cutting . (Cutting power control
located on

C.

Coagulation
Increases
coagulation. (Coagulation
also

D.

Tone
Used
indicate cutting
delivered
volume at
CMC-III ,

you

are
settings
Window
display
power setting.

Switch

the

power supplied

Power

to

increase

the

and

found on

Volume

to

control the

to

forceps.

any

except

using these controls,

appear

(Item V in

window

Control

or

decrease

remote control set.)

Power

decreases

the

remote control set.)

Control

volume

or

coagulation

time during

while cutting

in

the

Figure

again

--

CHe·1lI

--

--.

0 0 0

Switch

Control

the

power

of

You

can

the

Microcut

5).

shows

to

the

coagulator.

the

power

buttons

Switch

power

control

the

tones
power
change

operation

or

coagulating.

the

tone

Power

Afterwards,

the

actual

B C

-

]~

-..

0

0

A

Figure 1. Front Panel Controls (Items A through

E.

Voice

Volume

Used

to

increase or
voice synthesizer which
mode

being employed
settings.
volume at
during cutting

these controls.
the
Figure
shows

F.

By
the cutting

You

any

Microcut Power

5). Afterwards,

the

actual microcut

Cutting

pushing

Reset

this

power

Control

decrease

can

increase

time

while

or

coagulating.

the

voice

Display

Button

button ,

to

35

and

the

you

Malis

D

the

volume

announces

changes

or

decrease

using

the

While

volume

Window
display
power

can

immediately

Units

settings

window

setting.

the

in

CMC-III,

you

(or 9

(Figures

settings

are

also

settings

is

volume

E

I)

the

(Item V in

for

buttons

which

being

the

tone

of

the

Display

the

microcut

0

0

I

I

©.::.@I

of

the

operating

power

the

voice

except

are

using

appear

again

reset

watts).

1

for

are

While

"

I

in

1

G.

Coagulation

You can quickly reset the coagulation power
Malis Units (or 9 watts) by pushing this button.

H.

Irrigation
When the
connected
and enable irrigation. An additional irrigator button
located
Mode Indicator (Figure

generator
regardless

I.

Watts
Press this button
watts. The
CC) illuminates whenever power settings show
watts.

J.

Voice
Used to prevent
ing the operating mode being employed and the
power settings
performed.

Indicator,
K. LED Test

When

illuminate
that does not illuminate,
attention .

L. Supply

Use this control
voltage as

MAUS

on

will illuminate when the irrigator is enabled,

Display

Mute

Item

you

press this button, all numeric LEOs should

as a self-diagnostic test. Any numeric LED

Voltage

the

Reset

Mode

to

the

the

remote control set.

of

which

to

Watts

Button

the

each

When

BS

Button

Sutton

Irrigator is properly set up and

CMC-III, push this button to disable

5,

of

the two switches is

Button

display the

Display Indicator (Figure 5, Item

voice synthesizer from announc -

time cutting or coagulating

the

voice is muted, the Mute

in Figure 5. illuminates.

Button

Selector

to

set the generator

power

receptacle you

=

to

The

Irrigation

Item AA) located on the

used

.

power

Signals a problem requiring

settings in

to

the

same

are

using.

K J

I

35

in

is

Coagulation

N.
By pressing this button. you
power to
pedal on the footpedal, Item S in Figure 4, also
controls this function.)

O.

is

Use this button

setting for coagulation.
Switch on the generator, Item C in Figure 1, controls

the

P.

Cutting
Increase
means

Switch on
the same function.)

Q.

lrrlgatlon

When

connected
and enable irrigation.
located on the generator.
Indicator (Figure 5,

tor

illuminates when the irrigator

less

be

Coagulation

same function.)

or

of

this button. (The Cutting

the generator, Item B in Figure

the

MAUS

of

which of the

Output

delivered

Power

to

increas~

Power
decrease the

Mode

Irrigator is property set

to

the

CMC-III, push this button

Button

cause

to

the forceps. (The Coag

Control

or

(The

Control

Button

Item AA) located on

two

Button

power

An

additional irrigator button is

The

switches is used.

coagulation

Button

decrease the power

Coag

Power

setting for cutting by

Power

Irrigation Mode

the

is

enabled. regard-

_-.,,'"

--

=

~

-

-

Mali,-

<><C. m

p

"""",&

~

~

Control

Control

1,

controls

up

and

to

genera-

N

a

o

disable

LJ

Figure 2.

Bad<

Panel Controls (Items J through L)

LJ

5.3 REMOTE CONTROL SET CONTROLS
(Figure 3)

M.

Cutting

When you
ered
Item R

Output

press

to

the forceps. (The Cut pedal on

in

Figure 4, also controls this function.)

Button

this

button, cutting power

is

the

footpedal.

deliv-

FIgUre

3. Remote Control pte

ms

M through Q)

5.4 FOOTPEDAL CONTROLS (Figure

R.

Cutting
When you depress this pedal. cutting power
delivered to the forceps. (The
remote control,

controls this function.)

Output

Item M

Pedal

Cut

button on the

as

shown in Figure 3, also

is

4)

CUT

R $

Fig

ure

4.

Pneumatic

S.

Coagulation

Coagulation

you

depress

remote control,

controls this function.)

FootpedaJ

Output

power

this pedal. [The Coag button on the

is delivered to the forceps when

Item

COAG

Contr

ols (Items R and

Podol

N as shown in Figure

S)

3,

also

lor

is initially turned on, the setti

both the microcutting

high power cutting
following
operating

power

mode

POWER

COAGULATE

Malis Units Watts Malis Lklits Watts

0.7

•

10
15 I .•
20
25 5.0
30 7.0
35 9.0
40

45

SO
60

70
80
90

100
110
120
130
140

150

11

14.0
17
19

22

24
25

29
32
35
"'
45
SO

1.0

3.0

.0

.0
.0

.0

.0
.0

.0
.0
.0
.0
.0
.O

and

window

settings

.

are

MICAOCUTTING

•

10
15

20

2$

30
35

'"

..

50

coagulatkm windows. The

will be blank.

available

SEmNGS

0.7

1.0

I .•

3.0

5.0

7.0

9.0

11.0

14

.0

17

.0

ng

-35

- will appear in

for

MarIS

The
each

HIGHPOWEA

ClfTilNG

Units Watts

60

20

70

"'

80

60

90

100
110
120
130

''''

150

80

100
120

140.0

160.
180
200

.0
.0

.0
.0

.0

.0

.0
.0

0

NOTE: Cutting

controlled

(catalog no. So-" 49) connected to the

Adapter Cable (catalog no. 80-1179

adapter cable instructions for detail

and coagulating power

using

the

MALIS

Bipedal

).

s.

5.5 INDICATORS

x u

........

--

O!C'

~-.

I11

V,

~~

.\

i=\

-.

v

w z

-

§

U

:~

D:

;-

LJ

DO

FJgl(re

S. Front Panellndicator.i (Items Tthrough

T.

Power

This
kind,

the

forceps

U-W. Power Display Windows

These

selections
microcutting (Item V).
The
Units,
in Figure 1) to

Output

green

LED illuminates whenever power

for

either cutting

.

three

for

power

selections can

or

watts;

sets

high

make

of

use

[;IEiI

Ei

I

; I

I

~~

LED

or

coagulation, is delivered

windows

power

and

the

your

show

the power

cutting (Item

coagulation (Item W) .

be

shown in either MALIS

Watts

Display Button (Item I

choice.

When

may

also be

Electric Footswitch

CMC·JIJ

Refertothe

0 _

via the

AA

BB

-

0 _

cc

T

1

LJ

DO)

of

any

to

U)

I

the

genera-

X.

High

Power
This yellow
in the high

200 watts) is delivered

Y.

Mlcroeuttlng

This yellow
the

micro

watts) is delivered to the forceps .

Z.

Coagulation
This blue light illuminates
power is

AA.

Irrigation is enabled
MAUS
avoid unintentional irrigation , be

the

generator is switched

BB.

When
voice mute
LED

CC.
If

you
indicator
pressing

this green

DO.

This window receives signals from
control set.

delivered

Irrigation

Irrigator is property connected.

Irrigator is switched

Mute

you

lights up.
Watts

choose

windows
the

Infrared

LED

range

LED

range

Cutting

illuminates whenever cutting

(60 to

Power

illuminates

(8

Power

Mode

to

to

when

LED

150

to

the forceps .

LED

50

MALIS

Light

whenever

the

forceps.

LED

this

off

whenever

off

.

MALIS

when

Units, or

green

sure

LED

disable

button

Display

LEO illuminates.

the

voice

synthesizer

(Item J in Figure 2), this green

Indicator

watts to be displayed in the

(Items U, V, and W. Figure

watts

display button (Item I. Figure 1),

Signal

Do

Receiver

not obscure the

Window
window

units,

or

cutting

the

power

0.7

coagulation

light

is

NOTE: To

the

power on

the CMC-III

by

power

remote

during use.

power

20

to

in

to

17

on

and a

using the

5)

by

3

Tone

Indicators

The

CMc..1II

power
tones
lation and cutting. A
indicates coagulation.

A higher frequency
You
the

Voice

The

the

removing

change
announces
Cut

footpeda/)

"Cutting·. It also
before
coagulating
voice
the

In addition,
the setf·diagnostic feature
shown

"Memory

"Internal

is delivered

are

can

control

tone

volume

Indicator

voice

power

your

the

switch

the

volume

volume

below.

Error"

Power

employed

indicator
setting

(on either

the

generator

the

(not

shown)

generator produces a

to

the forceps.

to

differentiate between coagu-

low

minor

the

volume

control (Item 0 in Figure 10).

(not

shown)

enables

and

mode

eyes

from

power

each

01

setting. the voice indicator

new

setting. When you use the

the

voice announces either "Microcut"

announces

delivers either cutting

power

to

the forceps.
control (Item E in Figure 1)
the

voice.

voice

indicator functions

Indicates an internal

must
Operating
Indicates

power
pressed simuttaneousty

Indicates
footpedals were pressed

simultaneousty

Error" Operating malfunction

tone

whenever

Two

different

frequency major chord

chord indicates cutting.

of

the

tone

indicator with

you to

check

of

operation without

the surgical site.

remote control set

the

power

You

for

the five conditions

be replaced

maffunction

the

setting controls were

that

or

As

or

setting

or

can use the

to

change

as

part

fuse

two

front panel

both

adjust

you

the

of

or

FF.

Pneumatic

Accepts the connector

GG.

Irrigator
You may plug the CMC·III Adapter Cable (catalog no.
80-1179) into the generator here to use the MALIS
Irrigation Module (catalog no. 80-1164)

MAliS

1149) along with the
instructions in the manual supplied with the adapter

cable

NOTE:

power

position
generator is in the

HH.
This receptacle accepts
plug and also contains the
and external fuses . (See Technical

II.

Use
conductor
equalizabon

Bipedal Electric Foptswitch (catalog no.

for more information.

To

on the Irrigation

whenever

Power

Equipotential

this terminal to connect a potential equalization

Footpedal

Receptacle

CMC·111.

avoid unintentional irrigation,

the

OFF

Receptacle

Connector

to

a busbar in rooms

is required.

Receptacle

of

the pneumatic footpeda!.

Refer

to

Module

power

position.

the

is

switched

switch

three-prong

supply

voltage

Specifications

where

and/or

the

set

be

on

the

power

selector

potential

the

80-

up

sure

to

the

CMC·III

cord

c:

__

11"11

""t::::::l

·00

~ -~

-

AL

~-.~

..

:ii:i: ...

, "

:::;

11011

~!=

Fi~

f

-:".":.

",

LJ

HH

LJ

Figure 7. Back Panel

Corlnedion$

liE·

"

(Items FF through II)

the
OFF

.)

FF

GG

to

the

Refer
further

Section

information.

6.8, Troubleshooting Guide,

5.6 CONNECTIONS (Figures 6 and 7)

EE.

These

the

reusable

lsolated

jacks accept

Bipolar

or

disp0sa.b4e bipotar cords.

--

OC·1lI

--

Output

the

banana·type plugs

~

Jacks

T~@

I.ffill

~ I ~.

4

L,,-------==="''-'=-

6.

LJ

Front

Panel

F'9ure

Connections (Item EE) (I/O) control (N.lines).

..

of

for

either

6.0 TECHNICAL DESCRIPTION

6.1

PRINTED CIRCUIT BOARDS (PCBs)

6.1.1

The
supplies,
circuit detector, pneumatic footswitches, tone, and
voice
capacitors,

for

6.12

The

Diode (LED)
rocker·type switches.

Mother

Mother

an

volume

joining

Display Board

Display Board consists

Board

Board consists

infrared remote control receiver. open

control switches.

and

all cardedge

the

printed circuit boards.

displays,

• I 6.1.3 Controller Soard

The Controiler Board houses an

''''F'ir'-J-

U

EE

1805 microprocessor

watchdog

timer, clock synchronizer,

single

(JtP).

of

low

voltage

RF

output

connectors

of

numeric

LEOs, pushbutton,

B-M

Also

included are clocks,

power

DC

necessary

Ught

RCNHARRIS

and

inpuVoutput

blocking

Emitting

and