Zimmer Natural Nail System – Tibial Nail: Exam Review Flashcards

30 question-and-answer flashcards covering indications, sizes, reaming, screw options, instrumentation, compression, and extraction steps for the Zimmer Natural Nail System – Tibial Nail.

Which two materials are available for the tibial nail?

Ti-6Al-4V alloy and stainless steel.

What is the color code for the Zimmer Tibial Nail system?

Yellow.

List the available diameters for Zimmer tibial nails.

8.3 mm, 9.3 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm.

What length range (and increment) is offered for tibial nails?

24 cm to 44 cm in 2 cm increments.

How long is the proximal body of the tibial nail?

60 mm.

What diameter proximal screws are used with the tibial nail?

5.0 mm screws.

Which drill bit is required for inserting 5.0 mm proximal screws?

4.3 mm drill bit.

State the length options for proximal screws.

20–60 mm (2.5 mm increments) and 65–100 mm (5 mm increments).

What diameter distal screws are paired with an 8.3 mm nail?

4.0 mm distal screws.

Which drill bit is used for 4.0 mm distal screws?

3.3 mm drill bit.

What diameter distal screws are used for nails 9.3 mm and larger?

5.0 mm distal screws.

Which drill bit is required for 5.0 mm distal screws?

4.3 mm drill bit.

Give the size and type of the recommended guide wire.

3.0 mm × 100 cm ball-tip guide wire.

What are the typical entry reamer sizes?

8.0 mm or 12.0 mm entry reamer.

How much larger should the final reamer be compared with the nail diameter?

1.0–1.5 mm larger.

To accommodate the flare, how much must the proximal canal be reamed for nails smaller than 11 mm?

At least 11.5 mm.

Which screw design achieves standard locking?

Partially threaded screws.

Which screw design achieves fixed-angle locking?

Fully threaded screws.

What color code identifies instrumentation for proximal screw insertion?

Orange.

Name the guide system used for nail alignment and screw placement.

Targeting Guide Handle with Targeting Module.

When is the TALL targeting guide preferred?

For knees positioned in flexion.

When is the SMALL targeting guide preferred?

For knees in extension (requires a more distal incision).

Which drill bit is used for freehand distal targeting in nails 9.3 mm or larger?

4.3 mm drill bit (red-coded).

Which drill bit is typically used for freehand distal targeting in 8.3 mm nails?

3.3 mm drill bit.

What screw configuration is required to perform axial compression through the nail?

One screw in the dynamization (DY) slot and one or more distal screws.

Which instrument set applies axial compression?

Axial Compression Device (yellow) with T-handle.

What is the first step in nail removal?

Remove the nail cap and all screws using a 3.5 mm hex screwdriver.

Which tool combination removes a stuck guide wire?

Guide Wire Gripper with mallet.

How is the tibial nail extracted once unlocked?

Attach a Cannulated Extraction Adapter over a guide wire and use a slap hammer.