Hu-Friedy BF21

Hu-Friedy Miller Bone File Instrument No. 21 (BF21) User Manual

Model: BF21 | Brand: Hu-Friedy

1. Introduction

This manual provides essential instructions for the proper use, care, and maintenance of the Hu-Friedy Miller Bone File Instrument No. 21 (BF21). This instrument is designed for professional dental use only. Adherence to these guidelines ensures optimal performance, longevity, and patient safety.

The Hu-Friedy Miller Bone File No. 21 is a specialized hand instrument used in dental surgical procedures, particularly for smoothing and contouring bone surfaces. It features a double-ended design with specific working ends for efficient bone reduction and shaping.

2. Safety Information

3. Setup and Preparation

  1. Unpacking: Carefully remove the instrument from its sterile packaging.
  2. Initial Cleaning: Although packaged sterile, it is recommended to clean and sterilize the instrument before its first use.
  3. Visual Inspection: Before sterilization, visually inspect the instrument for any manufacturing defects or shipping damage.
Hu-Friedy Miller Bone File Instrument No. 21 in sterile packaging

Figure 1: Hu-Friedy Miller Bone File Instrument No. 21 (BF21) in its original sterile packaging. The instrument is made of stainless steel with a textured handle for grip, and features the Hu-Friedy logo and "MADE IN USA CE" markings on the packaging.

4. Operating Instructions

The Miller Bone File No. 21 is designed for precise bone contouring and smoothing. Its double-ended configuration allows for versatility in various surgical sites.

5. Maintenance and Cleaning

Proper cleaning, disinfection, and sterilization are critical for the longevity of the instrument and to prevent cross-contamination.

5.1. Cleaning

  1. Immediate Rinse: Immediately after use, rinse the instrument under running water to remove gross debris.
  2. Manual Cleaning: Use a soft brush and an enzymatic cleaning solution to thoroughly scrub all surfaces, paying close attention to the serrations and working ends.
  3. Ultrasonic Cleaning: Place the instrument in an ultrasonic cleaner with an appropriate solution for the recommended cycle time.
  4. Rinse: Rinse thoroughly with distilled or deionized water to remove all cleaning solution residues.
  5. Dry: Dry the instrument completely using a lint-free cloth or medical-grade air dryer.

5.2. Sterilization

The instrument is designed to withstand standard steam sterilization (autoclaving).

5.3. Inspection

Regularly inspect the instrument for:

Replace instruments that show signs of significant wear or damage.

6. Troubleshooting

As a simple hand instrument, troubleshooting is generally limited to proper care and handling.

IssuePossible CauseSolution
Instrument appears dull or ineffectiveNormal wear and tear; improper cleaning leaving debris.Ensure thorough cleaning. If dullness persists due to wear, replace the instrument.
Corrosion (rust spots)Incomplete drying; exposure to harsh chemicals; improper sterilization.Review cleaning and sterilization protocols. Ensure instruments are completely dry before sterilization and storage. Replace corroded instruments.
Instrument bent or brokenExcessive force during use; accidental dropping.Immediately cease use and dispose of the damaged instrument according to medical waste protocols.

7. Specifications

8. Warranty and Support

Hu-Friedy instruments are manufactured to the highest quality standards. For specific warranty information, please refer to the official Hu-Friedy website or contact your authorized Hu-Friedy distributor.

For technical support, product inquiries, or to report any issues, please contact Hu-Friedy customer service: