BEYES Maxso X99 Series User manual

Maxso®
X99 Series
1:5 Electric High Speed Handpiece
Instruction For Use

2
Table of Contents
Symbols
135°C
WARNING!
(Risk of injury)
ATTENTION!
(To prevent damage)
General explanations,
without risk to
persons or objects
Thermal washer
disinfectable
Sterilizable
up to the stated
temperature
Symbols................................................ 2
Introduction .......................................... 3-4
Before Use............................................ 5
Product description............................... 6
Technical Specications ....................... 7
Operation.............................................. 8-11
Hygienic maintenance .......................... 12-22
Limited Warranty .................................. 23

3
Introduction
Customer satisfaction has absolute priority in the Beyes quality policy. This Beyes product has
been developed, manufactured and subjected to nal inspection according to legal regulations,
quality norms and industry standards.
For your safety and the safety of your patients
Prior to initial use please read the instructions for use. These explain how to use your Beyes
product and guarantee a smooth and efcient operation.
Intended use
The dental contra-angle handpiece is intended for the following applications: Removal of decayed
materials, cavities and crown cement, removal of llings, nishing and polishing of tooth and
restoration surfaces.
Misuse can damage the handpiece and involves risk and danger to user and third parties.

4
0413
Production according to EU directive
The contra-angle handpiece is a medical product according to the EU-directive 93/42/EEC.
Skilled application
The Maxso handpiece is intended only for skilled application in dentistry according to its
purpose of use in compliance with the valid health and safety at work regulations, the valid accident
prevention regulations as well as in compliance with these Instructions for Use. The handpiece
should be prepared for use and maintained by staff who have been trained in procedures for
infection control, personal safety and patient safety. Improper use, (e.g. through poor hygienic
maintenance), non-compliance with our instructions or the use of accessories and spare parts
which are not approved by Beyes, invalidates all claims under warranty and any other claims.
Service
In case of service or repair contact an authorized Beyes service partner. Service and maintenance
work must only be carried out by an authorized Beyes service partner.

5
Before Use
• Always ensure the correct operating conditions and cooling function.
• Always ensure that sufcient and adequate cooling is delivered and ensure adequate suction. In case of
coolant supply failure, the turbine handpiece must be stopped immediately.
• Check the Maxso handpiece for damage and loose parts prior to use (e.g. press button on contra-angle).
• Avoid contact between the instrument head and soft tissue ( risk of burning due to the press-button
heating up).
• Use only non-contaminated, ltered, oil-free and dry compressed cooling air to operate the Maxso
handpiece.
• The operation of the contra-angle is permitted only on dental units which correspond to the standards
IEC 60601-1 (EN 60601-1) and IEC 60601-1-2 (EN 60601-1-2).
Hygienic maintenance prior to initial use
The Maxso handpiece is in a clean condition and sealed in PE-lm when delivered. Lubricate the contra-angle
handpiece prior to initial use. Sterilize Maxso handpiece and nozzle cleaner as well as the limit stop.
• Oil service Page 18 • Sterilization Page 21

6
Product description
Contra-angles
1. Press button
2. Spray nozzle
3. Compact optic outlet*
4. Grip prole
5. retractable lug*
*only contra-angles with light
1
5*
3*
2
4
3*

7
Technical Specications
* When using longer rotary instruments (or if the rotary instrument is not inserted up to the limit stop), the user must ensure by correct selection of the
operating conditions, that there is no danger to the user, patient or third parties.
** The chip air / water pressure must be set at the same time.
Contra-angles X99 Series
Transmission ratio 1:5
Motor coupling (acc. to standard) ISO 3964
Instrument (acc. to EN ISO 1797-1:1995) (ø mm) 1.6
Length in mm approved by Beyes (mm) 25*
Min. chuck length until back stop
Max. motor speed (rpm) 40,000
Spray ow rate (acc. to ISO 7785-2) (ml/min) > 50
Water setting range (rec. water pressure) (bar) 0.5 – 2 (1.5) **
Chip air setting range (must be higher than the water pressure)
(rec. chip air pressure) (bar) 1.5 – 3 (2)**
Chip air consumption at 2 bar (Nl/min) > 1.5

8
Assembly and removal
Do not assemble/remove
during the operation
Push the contra-angle handpiece onto the
motor and turn it until it engages audibly.
Check the connection to the motor is secure
Remove the contra-angle handpiece from
the motor by pulling in an axial direction.
Operation
1.
2.
3.
1
2
3

9
Rotary Instruments
• Use only rotary instruments which are in perfect condition and which have shanks
that meet the requirements of the DIN EN ISO 1797-1 standard. Follow the operating
instructions of the manufacturer.
• Insert rotary instruments only when the contra-angle handpiece is stationary.
• Do not interfere with the running or slowing down of rotary instruments.
• Do not active the rotary chuck of the handpiece or press button of the contra-angle during
operation or slowing down. This leads to detachment of the rotary instruments, damage
to the rotary chuck(handpiece), and/or makes the press button hot (contra-angle) (risk of
injury).

10
To change rotary instrument into contra-angles
Rotary instrument shank ø 1.6 mm: Insert rotary
instrument. Press the button rmly (1-a) and at
the same time insert the rotary instrument until it
reaches the limit stop(1-b).
Rotary instrument shank ø 2.35 mm: Press the
button (1-a) and at the same time insert the
rotary instrument and turn it until it snaps into
place(1-c).
Check secure location by applying slight axial
tension.
Remove the rotary instrument by pushing the
press button.
1.
2.
3.
1-a 1-b
1-c
1
2 3

11
Test run
• Insert rotary instrument.
• Start the contra-angle handpiece.
• If you observe problems (e.g. vibrations, unusual noise, overheating, coolant supply failure
or leakage), stop the handpiece immediately and contact an authorized service partner
organization.
Always check that the bur is secure before operating the attachment.
Never open or lock bur lock ring while instrument is rotating.

12
Hygienic maintenance
• Follow your country-specic directives, standards and guidelines for cleaning, disinfection
and sterilization.
• You can process the contra-angle handpiece manually or mechanically.
• Wear protective clothing.
• Remove the rotary instrument.
• Remove the contra-angle handpiece from the motor.
• Clean and disinfect the contra-angle handpiece immediately after every treatment, to
ush out any liquid (e. g. blood, saliva etc.) and to prevent settling on the internal parts.
• Sterilize the Maxso handpiece following manual or mechanical cleaning, disinfection and
lubrication.
• Sterilize the nozzle cleaner following cleaning and disinfection.

13
Pre-disinfection
If heavily soiled: Clean rst with disinfectant
and soft cloths.
Only use disinfectants that have no
proteinxing effects.
Manual cleaning (internal and external)
Rinse under demineralized water (< 38 °C) with
the aid of a brush (brush is not recommended
in U.K.)
Then remove any liquid residues (absorbent
cloth, blow dry with compressed air).
Do not place the handpiece in liquid
disinfectant or in an ultrasonic bath.
2.
1.
3.
1
2
3

14
Clean spray nozzles
Clean spray nozzles carefully with the nozzle
cleaner to remove dirt and deposits.
Clean and disinfect the nozzle cleaner in an
ultrasonic bath/disinfection bath.
Clean coolant tubes
Blow through the coolant tube with an air syringe.
In the case of clogged spray nozzles or
coolant tubes contact an authorized Beyes
service partner.
1.
2.
1
2

15
Cleaning of the optic outlet
Clean the optic outlet using isopropyl alcohol
or other disinfection agents.
Blow the optic outlet dry with air syringe or dry
it carefully with a soft cloth.
Avoid scratching the optic outlet!
Never use a cleaning agent that has an
ammonium, chlorine, or acid base. Carry
out a visual inspection after each cleaning
process.
1.
2.
1
2

16
Manual disinfection
• Disinfection with disinfectants,
wiping disinfection is recommended.
• Use only disinfectants which do not contain
chlorine and which are certied by ofcially
recognized institutes. For USA: Use EPA
registered surface disinfectants.
• Note the manufacturer’s specications for the
use of the disinfectants.
After manual cleaning, disinfection and
lubrication you must carry out a nal
thermal disinfection (unwrapped) or
sterilization (wrapped) in the class B or S
steam sterilizer (according to EN 13060).

17
Mechanical cleaning and disinfection internal and external
The contra-angle can be cleaned and disinfected in a thermo washer disinfector.
Beyes recommends processing with thermo washer disinfector.
• Note the manufacturer’s specications on equipment, cleaning agents and detergents.
• Make sure, that the contra-angle is completely dry internally and externally after thermo
washer disinfection. Remove any liquid residues with compressed air.
• Lubricate the dry contra-angle immediately after thermo washer disinfection.

18
Daily oil service
Only with Beyes Lube
Follow the instructions for use of the oil spray
can.
or
Only with Beyes Caremaster
See instructions for use of Caremaster.
Recommended lubrication cycles
• Essential after every internal cleaning
• Before each sterilization
or
• After 30 minutes of use or at least once daily
1.
2.
1
2

19
Weekly oil service of the chuck system
Only with Beyes Lube
• Fit the spray nozzle onto the spray can.
• Hold the contra-angle handpiece rmly.
• Press the tip of the spray nozzle rmly into the
chuck system
• Spray for approx. 1 second.

20
Test run following oil service
Place the contra-angle handpiece with the
instrument tip/head downwards.
Start the contra-angle handpiece for 30
seconds to remove excess oil.
• Start at the minimum speed and increase
to them maximum speed within 5 to 10
seconds.
• Repeat the entire hygienic maintenance
process if dirt emerges.
Wipe the contra-angle handpiece with gauze
or a soft cloth.
1.
2.
3.
1
2 3