Exam #2 Foundations 1 Depuy Synthes

Fibulink: How long is the Tibia screw?

22mm

What are the dimensions of fibula link?

2.8mm wide 10.7mm length

What does 40 threads per inch mean?

The fibula link allows surgeon to fine tune the tension cap

Length of Suture Bridge

4mm

what suture is the suture bridge

#1 UHMWPE x5

Lengths of standard and long cap for fibulalink

10mm and 15mm

Fibulink step drill size

How many Distal Tibia Plate options are in the 2.7/3.5 VA LCP Ankle Trauma

5 Tibia

How many distal fibula plates are in the 2.7/3.5 va lcp ankle trauma

1 distal tibia

What are the Tibia Plating Options

Medial

Anteromedial

Anterolateral

T plates and L plates

What screws are accepted in the Medial Tib plates

All 2.7 distally except 1 3.5 cortical slot for compression

Proximally all 3.5 locking/non locking

Anteromedial

sterile only

Same screw sizes as medial

Anterolateral plate screws....

2.7 locking/non locking distally

3.5 proximally

T plates and L plates

only 2.7mm Locking and non locking screws.

Fibula plate screw sizes

2.7 locking and non locking distal

syndesmosis slots 3.5 cortical and 4.o cortical

proximal 2.7 locking and non locking

What three bones make up ankle

talus

fibula

tibia

What is the Mortise view?

shows the joint space between Tibia and fibula

Where should the bars be placed for exfix?

Closest to the fracture and the next pins further from that pin

how do you increase the stifness with bars in exfix

increase size

Can you name the different exfix clamps?

Multipin combination clamp

Open adjustable clams (independent tightening)

outrigger

What color is large ex fix

blue

what color is medium ex fix

medium

what color is small ex fix

green?

what is the plafond?

the articular surface of the tibia

Selling points about fibulink

Improves tension control

eliminates medial disruption

enables physiological micromotion

Where do you need to stop with the step drill?

Do not let the 4mm portion enter the tibia

When would you use a long end cap for fibulink?

if you buried the laser mark

What is the proximal tibia classification

Schatzker

What are the options for the proximal tibia plating?

3.5 VA LCP prox tib plate

(small and large bend)

3.5 LCP prox tibia plate

(standard and low bend)

4.5 LCP proximal tibia plate

What do you take into consideration when reaming?

Temporarily disrupts the enosteal blood supply

potential for thermal necrosis

Mechanical (insert larger nail, increase bone contact)

pulmonary considerations (increase pressure)

What size is reaming rod for modular flex reamer?

2.5

what size is reaming rod for monobloc

3.0

What is the wear indicator?

Which reamer should you start with?

8.5 for modular

8.0 for monobloc

What improvements were made from modular to monobloc

Monobloc all front cutting.

rounded acorn edge

modified trinkle hudson

Monobloc sizes

8-18

modular sizes

8.5-19

What is the starting point for Tibial Nail

Medial slope of intercondylar eminance

lateral: ventral edge of the tibia plateau

What size is the opening drill for the tibia?

12mm

What approach does the expert nail not allow?

Parapatellar

What screws does the 8mm nail accept for expert and TNA

4mm (TNA is 5mm proximally)

What screws does the 8mm nail accept for expert and TNA

TNA- 5mm

Ex- 4mm

What is the distance from the most distal hole to the tip of the nail

5mm

What is a benefit of the new screws for ANS vs. Ex

Low Profile Locking

Cutting Tip

What size nails?

8-13mm

Upgrades to the TNA

Peek insert

What is the torque limiter for 2.7 locking

0.8nm

torque for 2.7 va locking

1.2

torque for 3.5 va

2.5 HAND

torque 3.5 lock

1.5

What sizes does the 1st MTP fusion plate come in?

Small 0,5,10

Medium 0,5,10

Large

Revision

What material is cchs

titanium

What are the key differences between hcs and cchs

1. thread pitch

2. technique for insertion

3. cutting tip

4. guide wire

5. material

What are the color markings on hcs

green: engaged

yellow: screw is flush

red: screw is countersunk

what is the cutting tip

HCS has a neutral rake angle

cchs has a positive rake angle. cutting tip doesnt push fragment it cuts

What are the key differences between guidewires for hcs and cchs

hcs: stainless

cchs: cobalt chrome

what materials are hcs and cchs

hcs: titanium and stainless

cchs: titanium

HCS Sizes

1.5 (not cannulated)

2.4, 3.0, 4.5, 6.5

CCHS

2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.5, 6.5, 7.5

Remember to recognize the etching on MTP fusion plate