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Pictured (clockwise from top left) : RS-9040, Discontinued Item  similar to RS-8431, RS-8555.Bone Instruments

- Bone Rongeurs
- Bone Cutting Forceps
- Periosteal Elevators
- Bone Chisels
- Rib Shears
- Bone Saws
- Trephines
- Carbide Burs




Click here to browse our entire Bone Instruments selection in our online store.


Bone Instruments Reference Documents

FAQ's
What is the finest bone rongeur sold by Roboz Surgical Instrument Co.?
What does the term "double action" mean in the description of a bone rongeur?
Does Roboz Surgical Instrument Co. offer a scissor for cutting bone or cartilage?
What instrument should I use to open a mouse skull?
What instrument should I use to open a rat skull?
How long will it take to sterilize my instruments in the Germinator 500?
Tech Notes
Cleaning & Sterilizing Techniques


FAQ's
These are all common questions that we receive from our customers. If you have a question about any of our products, please email us at: info@roboz.com


What is the finest bone rongeur sold by Roboz Surgical Instrument Co.?

The Micro Friedman Rongeurs are Roboz's finest bone rongeurs. The jaws are only 1.3MM wide, and are available straight, angled, and curved.

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What does the term "double action" mean in the description of a bone rongeur?

"Double action" provides a second hinge point. This increases the pressure and force applied to the cutting edges of the rongeur through the lever action provided by the second pivot point. An example of a "double action" rongeur is the RS-8520.

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Does Roboz Surgical Instrument Co. offer a scissor for cutting bone or cartilage?

Yes. For cutting through softer bone and cartilage Roboz offers the RS-6940, RS-6941, RS-6942, and RS-6943 Veterinary Scissors. They have one smooth blade and one serrated blade which allows for a sharp cut through soft bone and cartilage. Please note: These scissors will not cut through all bone- use bone cutters or rongeurs for harder bone material.

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What instrument should I use to open a mouse skull?

When opening a mouse skull, there is a great need to avoid traumatizing the brain. For this purpose we recommend using the RS-8480, LITTAUER bone cutting forceps. The small and sharp head will easily cut through the skull without traumatizing the brain.

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What instrument should I use to open a rat skull?

The best instruments to use for bone cutting are the Roboz bone cutting forceps. When cutting into a larger rat's skull, you can use a bulkier instrument such as the RS-8520, RUSKIN double action forceps. The double action allows precise control and steadiness, while the relatively thin head will fit between the dura and skull bone.

For smaller or younger rats, we recommend using a more delicate instrument such as the RS-8305 Freemen rongeur.

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How long will it take to sterilize my instruments in the Germinator 500?

Small instrument tips such as scissors, forceps, scalpels, and tweezers are decontaminated in about 15 seconds while larger instruments such as bone ronguers, large hemostats, and large scissors may take as long as a minute. Please remember to properly clean the instruments with a pH neutral detergent (such as Roboz's IC-1000 Instrument Cleaner) and distilled water before placing them into the Germinator.

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Tech Notes
Tech Notes contain additional information on the features and applications of our instruments.

Cleaning & Sterilizing Techniques

Summary: The following are guidelines of Cleaning, Sterilizing & Maintaining surgical instruments.

Use of distilled or deionized water and a neutral pH cleaning solution is recommended for all these procedures.

1. Rinsing-
Immediately after surgery, rinse instruments under warm (not hot) water. It may be helpful to use a nylon toothbrush to rinse the lock boxes and joints of the instrument. Be sure to remove all blood, body fluids, and tissue.

2. Cleaning-
If you do not clean your instruments immediately after rinsing, instruments should be submerged for a in a solution of water and neutral pH (7) detergent.

A. Ultrasonic Cleaning-
We recommend you manually clean micro & delicate instruments.

Instruments should be processed in a cleaner for the full recommended cycle time- usually 5-10 minutes.

Place instruments in open position into the ultrasonic cleaner. Make sure that sharp blades such as scissors, knives, osteotomes, etc. do not touch other instruments.

All instruments have to be fully submerged.

Do not place dissimilar metals (stainless, copper, chrome plated etc.) in the same cleaning cycle.

Change solution frequently, at least as often as recommended by the manufacturer.

Rinse instruments after ultrasonic cleaning with distilled or deionized water to remove ultrasonic cleaning solution.

B. Automatic Washer Sterilizers-
Follow manufacturers' recommendations. Make sure instruments are lubricated after last rinse cycle and before sterilization cycle.

C. Manual Cleaning-
Most instrument manufacturers recommend ultrasonic cleaning as the best and most effective way to clean surgical instruments, particularly those with hinges, locks, and other moving parts. If ultra sonic cleaning is not available observe the following steps.

I. Use stiff plastic cleaning brushes (nylon etc.).
Do not use steel wool or wire brushes except specially recommended stainless steel wire brushes for instruments such as bone files, or on stained areas in knurled handles.

II. Use only neutral pH (7) detergents. If not rinsed off properly after cleaning, low pH detergents will breakdown the stainless protective surface and cause black staining.

High pH detergent will cause surface deposit of brown stain (this deposit may look like rust) which will also interfere with smooth operation of the instrument.

III. Brush delicate instruments carefully and, if possible, handle them totally separate from general instruments.

IV. Make sure all instrument surfaces are visibly clean and free from stains and tissue.

This is a good time to inspect each instrument for proper function and condition.

Check the following:
Scissor blades glide smoothly from open to closed (they must not be loose when in closed position). Test scissors by cutting into thin gauze. Three quarters of the length of the blade should cut all the way to the scissor tips, and not hang up.

Forceps should have properly aligned tips.
Hemostats and needle holders should not show any light between the jaws. They should lock and unlock easily and the joints should not be too loose. Check needle holders for wear at the tips.
Suction tubes should be clean inside.
Retractors should open, close and lock properly.
Blades of all cutting edges should be sharp and undamaged.

V. After manually scrubbing instruments, rinse them thoroughly under running water (distilled water is best). While rinsing, open and close scissors, hemostats, needle holders and other hinged instruments to make sure the hinge areas are rinsed out, as well as the outside of the instruments.

3. After Cleaning-
If the instruments are to be stored, let them air dry and store them in a clean and dry environment.

4. Autoclaving-
If instruments are to be reused or autoclaved:

A. Lubricate all instruments which have any metal to metal action such as scissors, hemostats, needle holders, and retractors.
Lubricants such as instrument milk are best. Do not use WD-40 oil or other industrial lubricants.

B. Use disposable paper or plastic pouches to sterilize individual instruments. Make sure you use a wide enough pouch (4” or wider) for instruments with ratchet locks such as needle holders and hemostats so the instrument can be sterilized in the open and unlocked position.

If you are autoclaving instrument sets unlock all instruments and sterilize them in an open position. Place heavy instruments at the bottom of the set (when two layers are required).

Never lock an instrument during autoclaving. It will not be sterile as the steam cannot reach the metal to metal surfaces. The instrument might develop cracks in hinged areas caused by the heat expansion during the autoclave cycle.

Do not overload the autoclave chamber. Pockets may form that do not permit steam penetration. Place a towel on bottom of pan to absorb excess moisture during autoclaving. This will reduce the chance of getting “wet packs”. Make sure the towels used in sterilization of the instruments have no detergent residue and are neutral pH(7) if immersed in water. The residue of the inexpensive, high-pH (9-13) detergents used by some laundries to clean the towels could cause stains on some instruments.

CAUTION: At the end of the autoclave cycle- before the drying cycle- unlock the autoclave door and open it more than a crack about ¾”. Then run the dry cycle for the period recommended by the autoclave manufacturer. If the autoclave door is opened fully before the drying cycle, cold room air will rush into the chamber, causing condensation on the instruments. This will result in water stains on the instruments and cause “wet packs”.

If you have unusual staining on your instruments during sterilization contact your local instrument representative or look in our web site under staining.

5. Cold Sterilization-
Most cold sterilization solutions render instruments sterile only after a 10 hour immersion. This prolonged chemical action can be more detrimental to the surgical instruments than the usual 20 minute autoclave cycle. If the instruments need to be disinfected only, cold sterilization is recommended since disinfection will take place in only 10 minutes.

Keep in mind the difference between STERILE and DISINFECTED: Sterile- an absolute term (no living organism survives); Disinfected- basically clean.

Always use the proper sterilization/cleaning technique to render the instrument in required condition for use.

Important: For instruments with tungsten carbide inserts such as needle holders, scissors, and tissue forceps we do not recommend use of solutions containing Benzyl Ammonium Chloride. This will destroy the tungsten carbide inserts.

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