Weinmann VENTIlogic BiLevel ST Mode d'emploi

VENTI

logic

BiLevel ST - Home Ventilation Unit

27000

Description of unit and operating instructions for patients

Overview

Battery connection

VENTI

power

Overview

VENTI

logic

Connec

ting

cord

Connection for humidifier

Pressure

measuring

hose

Hose system

Sealing plug (2x)

Exhalation

system

Control panel and display

Serial interfaces

Headgear

Unit outlet

Mask

Adapter

Humidifier switch with LED

Soft start

switch

On/off

switch

Rating plate

Carrying bag

VENTI

click

VENTI

power

Menu switch

Bacteria filter

Drying adapter

VENTI-

Handle

Alarm acknowledgement switch with LED

Dial

Operating switches

connection

VENTI-

Filter compartment

cover, air inlet

Cable se

curing clip

Supply connection

Overview

Bacteria filter

For protecting patient from bacteria, especially if

the device is being used by several patients.

Connec

ting cord

For connecting the

VENTI

logic

to the supply.

Handle

For transporting the unit.

Serial interfaces

These are used to connect devices for displaying

and analysing therapy data.

Control panel and display

For controlling and monitoring the

VENTI

logic

and connected accessories.

Connection for humidifier

For connecting the

VENTI

click

humidifier availa

ble as an accessory.

Unit outlet

Respiratory air flows out from here to the patient

via the hose system and mask.

Sealing plug (2x)

For sealing the pressure measuring hose during

cleaning.

Drying adapter

Required if the hose system is being dried with the

VENTI

logic

Adapter

For connecting the hose system to the unit outlet.

Pressure measuring

hose

For measuring the pressure in the mask and thus

for controlling flow.

Hose system

The air flows to the mask through the hose system.

The hose system consists of

corrugated hose,

pressure measurement tube and adapter.

Exhalation system

Carbon dioxide-enriched expired air escapes

here during therapy.

Mask

Respiratory air at the necessary therapy pressure

is administered to the patient via the mask.

Headgear

For correct and secure positioning of the mask.

Filter compartment

cover, air inlet

For covering and securely positioning the coarse

and fine dust filter.

Supply connection

This is where the connecting cord is attached to

the unit.

Cable securing clip

Prevents the unit being disconnected inadvertently

from the power supply.

Battery connection

VENTI

power

For connecting the VENTIpower mobile power

supply available as an accessory.

20 O2connection VENTI-O2

For connecting the VENTI-O2oxygen connection

valve available as an accessory.

21 Alarm acknowledgement switch with LED

The alarm acknowledgement switch can be used

for temporary muting of alarms. The LED gives a

visual indication of alarms.

22 On/off switch

For switching the VENTIlogic on and off.

23 Dial

Central control for the VENTIlogic, for navigating

in the menu.

24 Operating switches

For rapid setting by a doctor, locked out in

patient mode.

4Overview

25 Menu switch

For switching between the standard display and the

menu.

26 Humidifier switch with LED

For setting humidifier stage. Six stages are availa-

ble. The LED indicates whether the humidifier is

activated.

27 Soft start switch

Used for activating Softstart and for setting the

Softstart time up to the maximum set by the

physician.

This function is not available in TA mode.

28 VENTIpower

Available as an accessory, to provide mains-inde-

pendent power to the VENTIlogic.

29 Rating plate

Provides information about the unit, like serial num-

ber and year of manufacture.

30 VENTIclick

Available as an accessory, for humidifying and

heating respiratory air.

31 Carrying bag

For transporting the VENTIlogic.

32 VENTI-O2

Obtainable as an accessory, for introducing

oxygen into the mask.

Standard display during therapy:

1 Status line

This is where information about the status of the unit

is displayed, like filter change or maintenance due.

2 Soft start symbol

Indicates that soft start is activated, the number

showing time remaining in minutes.

3 Respiratory phase switch indicator

Indicates whether the current respiratory phase

switch is spontaneous or mandatory (spontaneous:

S, mandatory: T); the indicator switches from left

(inspiration) to right (expiration) depending on respi-

ratory phase; mandatory expiration is shown here.

4 Access to patient menu

The switch next to this menu item is used to switch

between the patient menu and the standard

display.

5 Bar chart for pressure indication

For graphical display of therapy pressure.

6 Ventilation parameters

The relevant current ventilation parameters are

displayed depending on the active mode.

7 Active ventilation mode

The active ventilation mode is displayed at this

point in the status line.

1Status line

7Active ventilation

mode

5Bar chart for pressure indication

4Access to patient menu

3Respiratory phase switch

indicator

2Soft start symbol

6Ventilation

parameters T

Overview 5

Symbols used in the display

Abbreviations used in the display

Symbol Signiﬁcance

Status line:

Soft start active, remaining time faded in

Filter change required

Maintenance required

Acoustic signal for the IPAPmin and VTmin alarms silent

Alarm for IPAPmin and VTmin alarms deactivated

Main window:

Low-priority alarm triggered

Medium-priority alarm triggered

Symbol Signiﬁcance

Status line:

TA TA mode active

SS mode active

ST ST mode active

TT mode active

SX SX mode active

SXX SXX mode active

+V Volume compensation activated (after mode: e.g. SXX+V)

AADevice analyses patient’s respiratory rhythm (TA mode)

Main window:

IPAP Inspiration pressure

EPAP Expiration pressure

hPa Pressure indication in Hectopascal: 1,01973 hPa equal 1 cm H2O

fRespiratory frequency

SSpontaneously-triggered respiratory phase switch

TMandatorily-triggered respiratory phase switch

6Contents

Contents

1. Overview . . . . . . . . . . . . . . . . . . . .2

2. Description of unit . . . . . . . . . . . . . .7

2.1 Intended use . . . . . . . . . . . . . 7

2.2 User qualification . . . . . . . . . . 7

2.3 Functional description . . . . . . . 7

3. Safety instructions . . . . . . . . . . . . . .9

3.1 Safety instructions . . . . . . . . . . 9

3.2 Contraindications . . . . . . . . . 11

3.3 Side effects . . . . . . . . . . . . . 12

3.4 Special labelling on unit. . . . . 13

4. Set up unit . . . . . . . . . . . . . . . . . .14

4.1 Set up and connect unit . . . . . 14

4.2 Put on the Mask . . . . . . . . . . 15

4.3 Accessories . . . . . . . . . . . . . 15

5. Operation . . . . . . . . . . . . . . . . . . .18

5.1 Start up the VENTIlogic . . . . . 18

5.2 Auto switch-on . . . . . . . . . . . 19

5.3 Set soft start (not in TA mode) . 20

5.4 Set humidifier . . . . . . . . . . . . 21

5.5 Therapy in TA mode . . . . . . . 22

5.6 After usage . . . . . . . . . . . . . 22

5.7 Travelling with VENTI series

devices . . . . . . . . . . . . . . . 23

6. Hygienic preparation . . . . . . . . . .24

6.1 Intervals . . . . . . . . . . . . . . . .24

6.2 Cleaning . . . . . . . . . . . . . . .25

6.3 Disinfection, sterilization . . . . . 27

6.4 Change in patients. . . . . . . . . 28

7. Function check . . . . . . . . . . . . . . . .29

7.1 Intervals . . . . . . . . . . . . . . . .29

7.2 Method . . . . . . . . . . . . . . . .29

8. Troubleshooting . . . . . . . . . . . . . .33

8.1 Malfunctions . . . . . . . . . . . . .33

8.2 Alarms . . . . . . . . . . . . . . . . .34

9. Maintenance . . . . . . . . . . . . . . . . .39

9.1 Intervals . . . . . . . . . . . . . . . .39

9.2 Filter change. . . . . . . . . . . . .40

9.3 Change pressure measuring

hose . . . . . . . . . . . . . . . . . .42

9.4 Disposal. . . . . . . . . . . . . . . .42

10. Scope of supply . . . . . . . . . . . . . . .43

10.1 Standard scope of supply. . . . 43

10.2 Accessories . . . . . . . . . . . . .43

10.3 Spare parts . . . . . . . . . . . . .45

11. Technical specifications . . . . . . . . .46

11.1 Pneumatic diagram . . . . . . . .48

11.2 Safety distances . . . . . . . . . . 49

12. Warranty . . . . . . . . . . . . . . . . . . .50

13. Index . . . . . . . . . . . . . . . . . . . . . .52

Description of unit 7

2. Description of unit

2.1 Intended use

The VENTIlogic is a home ventilation unit for non-invasive, non-life support ventilation

of adult patients with respiratory insufficiency in whom there is evidence of autono-

mous respiratory drive. This corresponds to the following clinical pictures:

• Obstructive respiratory disorders such as COPD

• Restrictive respiratory disorders such as scoliosis and thorax

deformities

• Neurological, muscular and neuromuscular respiratory disorders

such as paresis of the diaphragm

• central respiratory regulation disorders

• Obstructive sleep apnoea syndrome OSAS

The VENTIlogic is not suitable for life-support use.

Use the unit only for the purpose described here.

2.2 User qualification

The VENTIlogic may only be used by a doctor on an individual basis for a specific

patient.

When the VENTIlogic is handed over to the patient, the doctor in charge or hospital

staff must instruct the patient in how the unit works.

2.3 Functional description

Provision of therapy pressure

An electronically-controlled fan draws in ambient air through a filter and delivers it to

the unit outlet. From here, the air flows through the hose system and the mask to the

patient.

8Description of unit

Sensors detect the pressure in the mask and in the hose system and also the respira-

tory phase switch (trigger point). The fan accordingly provides the IPAP and EPAP

pressures set by the doctor.

Therapy modes

The VENTIlogic can be operated in six therapy modes: CPAP, S, ST, T, SX, SXX and

TA mode. Your doctor will set the mode required for your therapy on the unit. In the

adaptive, controlled TA mode the device automatically adapts to your individual res-

piratory rhythm and supplies the therapy pressure in accordance with exactly this

rhythm.

Your doctor can activate volume compensation. Minimum volume and maximum

pressure increase are set for this purpose. If the minimum volume is undershot, the

unit automatically increases pressure continuously until the set maximum pressure

(therapy pressure + max. pressure increase) is reached.

In time-controlled mode T and in assisted-controlled mode ST, your doctor can set

respiratory frequency in the range from 6 to 45 breaths a minute and inspiration time

in the range from 20 % to 67 % of the respiratory period.

In assisted modes S, SX and SXX and in assisted-controlled mode ST, your doctor

can select one of 6 trigger stages for both inspiration and expiration. Your doctor

can switch off the trigger for expiration. Expiration is then time-controlled.

If no breath is taken into the unit in S mode, the pressure is switched at a minimum

frequency of 6 breaths a minute.

Other functions

The Softstart function makes it easier for you to go to sleep or to get used to higher

ventilation pressures. Your doctor sets initial pressures for inspiration and expiration

which rise continuously to the therapy pressures during the soft start phase. This func-

tion can be locked out by the doctor.

The VENTIlogic has an auto switch-on system. If this is activated, the unit can be

switched on by a breath being taken into the mask. The unit is still switched off using

the on / off switch .

The display shows therapy mode and, depending on mode, the values currently be-

ing applied for CPAP/IPAP and EPAP and for respiratory frequency (f). Spontaneous

or mechanical respiratory phase switches are also displayed and the pressure

change shown in the form of a graph.

Safety instructions 9

3. Safety instructions

3.1 Safety instructions

Read these operating instructions carefully. They form part of the unit and must be

available at all times. Use the unit only for the purpose described here (see “2.1 In-

tended use” on page 7).

For your own safety please observe the following points.

Operating the unit

Caution!

• Check that the supply voltage of the unit matches your supply volt-

age. The unit can operate with voltages of 115 V and 230 V. It sets

itself to one of these voltages automatically.

• Always secure the supply plug with the cable securing clip to pre-

vent the plug being pulled out inadvertently.

• The VENTIlogic must be connected to an easily accessible supply

socket so that in the event of a malfunction, the supply plug can be

removed quickly.

• Do not place the unit near a source of heating or expose to direct

sunlight to prevent the unit overheating. Condensation could also

form in the VENTIclick humidifier which would then condense in the

hosesystem.

• Do not cover the unit with blankets etc.. The air inlet would be

blocked and the unit could overheat. This can lead to inadequate

therapy and damage to the unit.

• Maintain a safe distance between the VENTIlogic and devices

which emit high-frequency radiation (e.g. mobile phones), other-

wise there may be malfunctions (see page 49.)

•An alternative ventilation system should be on hand in case of a unit

failure.

10 Safety instructions

Caution!

• Third-party masks may be used only after approval from the manu-

facturer (WEINMANN). Use of non-approved masks puts successful

therapy in jeopardy.

•If a pneumotachograph with a high flow resistance is used in deter-

mining flow rate to start or check therapy, the trigger function may

be restricted. If you have any questions, please contact the manu-

facturer (WEINMANN).

• No antistatic or electrically-conductive hoses may be used.

• Using the VENTIclick humidifier, bacteria filter and O2connection

valve VENTI-O2accessories may modify the characteristics of the

unit. Subsequent additions to these accessories may render it neces-

sary to readjust the unit parameters. Consult your doctor if neces-

sary.

•Please comply with Section “6. Hygienic preparation” on page 24

to prevent infection or bacterial contamination.

Transport/accessories/spare parts/repair

Caution!

• Do not transport the VENTIlogic with the VENTIclick humidifier at-

tached. Tilting might cause water remaining in the VENTIclick to run

into the VENTIlogic and damage it.

•Malfunctions and a lack of biocompatiblity may result if third-party

articles are used. Please bear in mind that in these cases, any war-

ranty entitlement and liability shall lapse where neither the accesso-

ries recommended in the instructions for use nor original spare parts

have been used.

•Have all inspections and repair work carried out only by the manu-

facturer (WEINMANN) or specialist staff.

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