Vertex Select

Question 1

What is the drilling/screw trajectory for C1 lateral mass?

Answer 1

Should be straight or 5-10 degrees convergent medial, and angle cephalad parallel to the underside of the posterior arch.

Question 2

What is the entry point for C2 pedicel screws?

Answer 2

3-4mm above the C2 inferior facet

Question 3

What is the Entry point for C2 pars screw?

Answer 3

3mm superior to the C2/C3 facet joint line and 3mm lateral to the lamina/lateral mass junction.

Question 4

What is the trajectory for C2 pedicel screws?

Answer 4

20-30 degrees medial directed at the central axis and 20-30mm cephalad

Question 5

What is the trajectory for C2 pars screws?

Answer 5

10-15 degrees medial and 35 degrees cephalad (aiming under floro at the C1 tubercle)

Question 6

What is the entry point for C3-C7 lateral mass screws?

Answer 6

1mm medial to the center of the lateral mass (outlined by box method:superior to inferior facet join and lamina/lateral mass junction to lateral edge of the lateral mass)

Question 7

What is the trajectory of C3-C7 lateral mass screws?

Answer 7

Place perpendicular to the lateral mass then angle 20-30 degrees lateral and 20-30 degrees cephalad

Question 8

What is the entry point for C3-C7 pedicle screws?

Answer 8

Just lateral of the midpoint of the lateral mass and 2-3mm below the inferior facet margin of the cephalad vertebra

Question 9

What is the trajectory for C3-C7Pedicle screws?

Answer 9

25-45 degrees medial towards the midline and angled slightly cephalad

Question 10

What is the entry point for C1 lateral mass screws?

Answer 10

Middle of the junction between C1 Posterior arch and the midpoint of the posterior inferior part of C1 lateral mass.

Question 11

What size diameter are the Vertex MAS

Answer 11

3.5mm, 4.0mm and 4.5mm

Question 12

What is the length of Vertex 3.5 MAS

Answer 12

10mm-34mm (2mm increments)

36mm-40mm (order extra)

Question 13

What is the length of Vertex 4.0 MAS

Answer 13

10mm-34mm (2mm increments)

36mm-52mm (order extra)

Question 14

What is the length of Vertex 4.5 MAS

Answer 14

24-34mm (2mm increments)

10mm-22mm and 36mm-52mm (order extra)

Question 15

What size diameter of partially threaded MAS are in Vertex

Answer 15

3.5mm and 4.0mm

Question 16

What size length of Vertex PT 3.5mm

Answer 16

24mm-34mm (2mm increments)

10mm-22mm and 36mm-40mm (order extra)

Question 17

What size length of Vertex PT 4.0mm

Answer 17

24mm-34mm (2mm increments)

18mm-22mm and 36mm-40mm (order extra)

Question 18

What size Rod Crosslinks are in Vertex

Answer 18

Small, Medium and Large

Question 19

How many Pans come in Vertex Select

Answer 19

Instruments 1&2, MAS Implants and Rod Implants

Question 20

What size tap come in Vertex

Answer 20

3.5mm, 4.0mm and 4.5mm

Question 21

What drill guides come in a Vertex

Answer 21

14mm and Adjustable (6mm-52mm)

Question 22

What type of driver is used on Vertex Set Screws

Answer 22

2.5 Hex

Question 23

What size rods come in Vertex Select

Answer 23

3.2mm and 3.5mm Ti

Question 24

What size are the Vertex drill bits

Answer 24

2.4mm and 2.9mm

Question 25

What color are the 3.5/4.0/4.5 MAS?

Answer 25

3. 5-Green 4. 0-Blue (10mm-24mm) Yellow (26mm-52mm) 4. 5-Purple

Question 26

What color are the 3.5 and 4.0 PT MAS?

Answer 26

3. 5 Green | 4. 0 Yellow

Question 27

What is the length of the gold anodized threads on the tap?

Answer 27

10mm

Question 28

Vertex MAS allows for how much Medial to Lateral variability of screw placement and rod?

Answer 28

7.5mm

Question 29

MAS have how man relief notches allowing for how much angulation?

Answer 29

4 notches providing 45 degrees of angulation

Question 30

MAS have how much angulation any direction?

Answer 30

30 degrees in any direction

Question 31

Vertex offset dominos and axial dominos allows connections to what size rods?

Answer 31

3.2/3.5mm rods to 3.2/3.5mm, 4.5mm and 5.5mm rods

Question 32

What instruments come in Vertex instru #1

Answer 32

Adjustable/Universal drill guide Universal and Ratcheting Handle Feeler,Gear Shift,Awl,Bone Reamer Depth Gauge, Tap Sleeve and Taps (3.5/4.0/4.5) Quick release/threaded driver and 4.0 External Hex

Question 33

What instruments come in Vertex instru #2

Answer 33

``` Laminar Elevator and Hook Holder Rod Cutter, bender and template Rod gripper and head turner Rod reducers, coronal and insitu benders Compressor and distractor 2.5 hex/2.5 torque driver (MAS set screw), counter torqu 4.0 external driver/4.0 torque driver Lock nut driver (crosslink middle nut) ```

Question 34

Vertex Laminar hooks come in what sizes?

Answer 34

4.5mm and 6.0mm