Midwest E Manuel
Midwest®E
Handpiece Attachments
Directions For Use
1:5 L
1:1 / 1:1 L
5:1 / 5:1 L
1:1 ST
CAUTION: US Federal law restricts this device to sale by or on the order of a licensed dental professional
Doc. No. 87512-0914
All trademarks referred to are the property of their respective owners
Manufactured for:
DENTSPLY Professional
A division of DENTSPLY International
901 West Oakton Street
Des Plaines, IL 60018-1843
USA
www.dentsply.com
Table of Contents
1 Important Information ...................................................................................................................... 4
Indications for Use.......................................................................................................................... 4
Contraindications............................................................................................................................ 4
Warnings........................................................................................................................................ 5
Cautions......................................................................................................................................... 6
Applied Symbols............................................................................................................................. 7
2 Cleaning and Maintanence.............................................................................................................. 8
3 Sterilization.................................................................................................................................... 11
4 Installation and Operation.............................................................................................................. 12
5 Specifications................................................................................................................................ 15
6 Spare Parts................................................................................................................................... 20
7 Warranty........................................................................................................................................ 21
1 Important Information
Page 4
1 Important Information
Indications for Use
The Midwest® E Electric Handpiece System is intended for use by dental professionals in the performance of dental
restoration, prophylaxis and endodontic procedures.
Attachments are offered to complement the system used for general dentistry work. The intended use of the respective
attachment is dependent on the gear ratio. The System offers handpiece attachments for the removal of decayed matter,
cavity and crown preparations, and removal of fillings and surface finishing of tooth and restoration surfaces. In addition,
the system offers attachments for caries excavation and endodontics.
Midwest E 1:5L and 1:1 ST are intended for: The removal of decayed matter, cavity and crown preparation, and the removal of fillings
and surface finishing of tooth and restoration surfaces.
Midwest 1:1/L, and 5:1/L are intended for: Cavity preparations, caries excavation, endodontics, and surface finishing of tooth and
restoration surfaces.
Contraindications
None Known
1 Important Information
Page 5
Warnings
This product is intended for use by dental professionals only. Before operating this device read and follow these
instructions. Any form of misuse or changes to the product may lead to personal injury or damage to the device.
These handpiece attachments are for use with the Midwest®E Electric Handpiece system. Use of non-original or
spare parts not provided by DENTSPLY or DENTSPLY authorized dealers can result in personal injury or
damage to the device.
Never place a handpiece attachment on a running dental motor. Personal injury or damage to the equipment
may occur.
Handpieces must be properly used and maintained according to the directions decribeds in this manual. Electric
handpieces generate significantly more power than traditional air turbines and air motors. Due to increased
torque and speed, poorly maintained, worn, damaged or misused handpieces may generate frictional heat
capable of causing serious burns and injuries to the patient.
Always inspect handpiece prior to use for any damage. Immediately stop using the handpiece if it begins
generating heat, excessive noise, or vibration. For prolonged usage periods, check the instrument every ten
minutes.
1 Important Information
Page 6
During Usage:
oNever use the head of the handpiece as a cheek or tongue retractor.
oDo not press the push-button at anytime during operation.
oAlways inspect and ensure all burs and files are in good condition and completely fastened. Do not use
diamond burs which have missing grains.
oUse of a rubber dam is recommended.
oWhen using the Midwest E 1:5L attachment always use with the cooling spray on.
To dispose of this device adhere to local, state, federal and/or other governing regulations.
Handpiece attachments should be sterilized between patients to prevent cross-contamination which could result
in serious illness or even death from infectious organisms such as HIV (the virus that causes AIDS) or hepatitis B.
oSterilize handpiece attachments before use, handpieces are supplied non-sterile.
oAlways remove the bur or file prior sterilization.
oFollow all sterilizaton methods described in this manual for safe use of the product.
Cautions
This product is intended for use by dental professionals only.
Use protective gloves and goggles when working with the handpieces on patients.
Service of the Midwest® E handpiece attachments is restricted to DENTSPLY authorized service personnel only.
1 Important Information
Page 7
Applied Symbols
Appearing in the manual: Appearing on the packaging:
A potential hazard to the operator/patient
Handle with care
Keep dry
Important information for the operator. A potential
hazard that may lead to damage to the device
Maximum stacking load
Sterilizable up to 135°C (275°F)
Temperature range
Atmospheric Pressure
Manufacturer
Humidity
Consult Directions For Use
2Cleaning and Maintenance
Page 8
2 Cleaning and Maintanence
WARNING:
Always take protective actions when handling with patients.
Always follow the cleaning and sterilization instructions after each patient use for infection control.
Never soak the handpiece attachment in the cleaning solution. Excessive exposure to cleaning products may cause damage to
the handpieces.
Only use disinfectant cleaning solution specifically designed for cleaning dental handpieces.
Do not use cleaning solutions containing sodium bicarbonate, aldehyde, or alkaline. Do not use vinegar to clean the spray heads.
Always clean the handpiece attachments per the instructions prior to sterilization.
Always remove the bur or file prior to sterilization.
CAUTION:
If the handpiece attachment will not be used for a long period of time, clean it per the instructions and store it in a dry location to
prevent damage.
Do not place handpiece attachments in a cleaning basin or ultrasonic device. Damage to the handpieces can occur.
2Cleaning and Maintenance
Page 9
Cleaning
This procedure recommends the steps to follow between each patient use to prevent cross-contamination and to ensure continued
trouble-free operation of the handpiece attachments. The handpiece attachments must be cleaned after each use and no later than 1
hour after patient use. The attachments can be cleaned using an automated cleaning system or manually by hand.
The following will be required for cleaning:
Water
Cleaning Spray (Midwest Plus Cleaner)
Maintenance Spray (Midwest Plus Lubricant)
To Clean Handpiece Attachments with an Automated Cleaning System:
Clean handpiece attachments after every use with the Midwest®Automate
Automated Handpiece Maintenance System:
Clean and maintain the handpiece attachments in accordance to the directions
in the Midwest®Automate Systems Operator’s Manual.
2Cleaning and Maintenance
Page 10
To Clean Handpiece Attachments Manually
After every use perform the following:
1. Disconnect handpiece attachment from the coupler.
2. Press push button (or twist the clamping ring) to remove the bur or file.
3. Spray exterior of the attachment with Midwest PlusTM Cleaner. Scrub and rinse the attachment under warm tap water at 30ºC+/-
5ºC (86ºF+/-9ºF) with a soft brush or sponge for 20 seconds. While scrubbing and rinsing, it is best to keep the attachment in
the upright position.
4. Dry thoroughly
5. Make sure the fiber optic light port is scrubbed well. Once a week or as needed, gently rub an alcohol-soaked cotton swab
against the inside end of the fiber optic light to remove debris build up.
6. Lubricate and Expel the attachment using Midwest Plus Aerosol Spray.
7. While holding the can of Midwest PlusTM Aerosol Spray upright, insert the nozzle fully into the back-end of the attachment and
cover the head of the attachment with Midwest Spray Guard or a paper towel.
8. Spray no more than one (1) second
9. If excess debris appears, spray again but no more than (1) second.
10. Insert a bur into the attachment and connect the attachment to the motor.
11. To prevent any lubricant from going into the motor, always place the attachment head downwords before expelling.
12. Expel and run the attachment until it reaches normal speed, or until all excess lubricant is expelled (a minimum of 30 seconds).
13. After expelling, immediately remove attachment from the motor to prevent any excess lubricant from going into the motor.
14. Wipe off any excess lubricant on the outside of the attachment with a paper towel.
15. Sterilize the handpiece attachment per the Sterilization Section below.
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