DEX IOT DAY 3 QUESTIONS AND VERIFIED ANSWERS
What products are in the IB 2.0 - Answers - - 1.35 guidewire
- Suture passer
- 2.7 cannulated drill
- 2.7 solid drill
- 3.5 cannulated tap
- 3.5 swivelock anchor
- 3.4 cannulated drill
- 3.4 solid drill
- 4.75 tap
- 4.75 swivelock anchor
- orange eyelet flag
- blue tissue protector
- light blue talus offset guide
Where should you insert a fibertak for Brostrom augmentation? - Answers - 1 cm from
distal tip of the fibula
How do you seat your fibertak? - Answers - After malleting into the bone, pull back on
the anchor handle about 5-8mm
What is the strength of the ATFL with Brostrom alone? - Answers - 75N
What is the strength of the native ATFL? - Answers - 150-160N
What is the strength of ATFL with IB? - Answers - 250N
Where does the peroneus brevis insert? - Answers - Base of 5th met
Where does the peroneus longus insert? - Answers - Base of medial cuneifiorm / 1st
metatarsal
What percentage of lateral ankle sprains are caused by forced inversion? - Answers -
85%
What percentage of ankle sprains are caused by sports injuries? - Answers - 15-30%
If an ATFL is torn, what is the translation of affiliated bones? - Answers - Anterior
translation and internal rotation of talus
Where exactly is the ATFL insertion and origin points? - Answers - Origin: 1.4-1.5 cm
from distal aspect of fibula
, Insertion: 1.8 cm anterior and medial from lateral talar process
What position should the foot be in while tensioning DX fibertaks? - Answers - Dorsi-
flexion, eversion
What position should the foot be in while tensioning Internal brace? - Answers - 10-15
degrees of plantar-flexion, neutral rotation
What suture is included on the 4.75 anchor in the IB 2.0? - Answers - 2mm collagen
coated fibertape
What wire drills are included in the DX knotless fibertak kit? Which one should you use?
- Answers - 1.8 - hard bone
1.6 soft bone
Strongest form of fixation? - Answers - Tissue on bone
AMA Grade's of Ligament tears - Answers - Grade 1: Ligament stretched but not torn
Grade 2: Ligament partially torn
Grade 3: Ligament completely torn
What is mechanical vs functional instability? - Answers - Mechanical: movement beyond
physiological range of motion
Functional: subjective feeling of instability
PT test for ATFL? - Answers - Anterior Drawer Test:
PT test for CFL? - Answers - Talar tilt
How should one use the talus offset guide? - Answers - 7:30 for left foot
4:30 for right foot
Has a lip on the end to fit into sinus tarsi
What order should you do your IB repair? - Answers - - 3.4 drill in talus
- 4.75 tap
- Dunk 4.75 anchor
- 3.4 drill into fibula
- Dunk tapes from 4.75 into 3.5 anchor
What percentage of people abandon activities after Brostrom repair? - Answers - 26%
What suture is on the DX fibertak? - Answers - #2 coreless
What driver is on the 3.9 DX swivelock? - Answers - Hexalobe for high-insertional
torque in hard bone
What products are in the IB 2.0 - Answers - - 1.35 guidewire
- Suture passer
- 2.7 cannulated drill
- 2.7 solid drill
- 3.5 cannulated tap
- 3.5 swivelock anchor
- 3.4 cannulated drill
- 3.4 solid drill
- 4.75 tap
- 4.75 swivelock anchor
- orange eyelet flag
- blue tissue protector
- light blue talus offset guide
Where should you insert a fibertak for Brostrom augmentation? - Answers - 1 cm from
distal tip of the fibula
How do you seat your fibertak? - Answers - After malleting into the bone, pull back on
the anchor handle about 5-8mm
What is the strength of the ATFL with Brostrom alone? - Answers - 75N
What is the strength of the native ATFL? - Answers - 150-160N
What is the strength of ATFL with IB? - Answers - 250N
Where does the peroneus brevis insert? - Answers - Base of 5th met
Where does the peroneus longus insert? - Answers - Base of medial cuneifiorm / 1st
metatarsal
What percentage of lateral ankle sprains are caused by forced inversion? - Answers -
85%
What percentage of ankle sprains are caused by sports injuries? - Answers - 15-30%
If an ATFL is torn, what is the translation of affiliated bones? - Answers - Anterior
translation and internal rotation of talus
Where exactly is the ATFL insertion and origin points? - Answers - Origin: 1.4-1.5 cm
from distal aspect of fibula
, Insertion: 1.8 cm anterior and medial from lateral talar process
What position should the foot be in while tensioning DX fibertaks? - Answers - Dorsi-
flexion, eversion
What position should the foot be in while tensioning Internal brace? - Answers - 10-15
degrees of plantar-flexion, neutral rotation
What suture is included on the 4.75 anchor in the IB 2.0? - Answers - 2mm collagen
coated fibertape
What wire drills are included in the DX knotless fibertak kit? Which one should you use?
- Answers - 1.8 - hard bone
1.6 soft bone
Strongest form of fixation? - Answers - Tissue on bone
AMA Grade's of Ligament tears - Answers - Grade 1: Ligament stretched but not torn
Grade 2: Ligament partially torn
Grade 3: Ligament completely torn
What is mechanical vs functional instability? - Answers - Mechanical: movement beyond
physiological range of motion
Functional: subjective feeling of instability
PT test for ATFL? - Answers - Anterior Drawer Test:
PT test for CFL? - Answers - Talar tilt
How should one use the talus offset guide? - Answers - 7:30 for left foot
4:30 for right foot
Has a lip on the end to fit into sinus tarsi
What order should you do your IB repair? - Answers - - 3.4 drill in talus
- 4.75 tap
- Dunk 4.75 anchor
- 3.4 drill into fibula
- Dunk tapes from 4.75 into 3.5 anchor
What percentage of people abandon activities after Brostrom repair? - Answers - 26%
What suture is on the DX fibertak? - Answers - #2 coreless
What driver is on the 3.9 DX swivelock? - Answers - Hexalobe for high-insertional
torque in hard bone
