Test

Question 1

The VariAx Clavicle Hook plate is another SOMA designed implant from Stryker. SOMA is a new 3D modeling and analytics system designed to create implants that have optimized fit and function.

T/F

Answer 1

TRUE

Question 2

If a combination of non-locking and locking screws are used in the diaphyseal region of an AxSos3 plate, begin with _________ Screws prior to the placement of any __________ screws.

Answer 2

Non-Locking; Locking

Question 3

Which depth is not offered in the Clavicle hook plates?

A: 12mm
B: 16mm
C: 18mm
D: 20mm

Answer 3

C: 18mm

Question 4

The VariAx Clavicle Hook plate uses the same instruments and screws as

Answer 4

VariAx Elbow

Question 5

Utilizing SpeedGuide has reduced the cone of angulation for VariAx locking screws from +/-15 to +/-10.

T/F

Answer 5

False

Question 6

The most common treatment for a non-displaced proximal humeral fracture is:

Answer 6

Nonsurgical, Conservative Treatment

Question 7

Select some indications for the VariAx Clavicle Hook Plate:

A: Lateral clavicle fractures
B: Medical clavicle fractures
C: Nonunions & mal-unions
D: Dislocations of the AC joint

Answer 7

A, C, D

Question 8

How many locking screw hole options are available at the proximal end of the T2 PHN?

Answer 8

4

Question 9

All the superior plates in the VariAx Clavicle system have:

Answer 9

A medial to lateral Bow in the AP view

Question 10

The VariAx SpeedGuide combines which 3 instruments into one?

Answer 10

Drill, Drill Guide, Depth Gauge

Question 11

You can use _______ screws with the VariAx clavicle plates.

Answer 11

2.7mm & 3.5mm

Question 12

There are dedicated superior mid-shaft plates that are designed with enhanced strength to bridge fracture comminution areas.

T/F

Answer 12

True

Question 13

The ReUnion HA Fracture System is cementless (press fit).

T/F

Answer 13

False

Question 14

What are the 4 muscles of the rotator cuff?

Answer 14

Supraspinatus; Infraspinatus; Teres Minor; Subscapularis

Question 15

Which one of Stryker Hemiarthroplasty products is appropriate for a Proximal Humeral fracture?

Answer 15

ReUnion HA Fracture System

Question 16

When measuring the depth with SpeedGuide, drill until the far cortex is felt, add the thickness of the far cortex to the measurement on the scale, and then…

Answer 16

Drill the far cortex

Question 17

Plate choies is a key feature of the VariAx Clavicle system. There are _____ Plates of different lengths and anatomic shapes from which to choose.

Answer 17

35

Question 18

How many locking screw hole options are there in the metaphysical portion of the AxSos Proximal Humeral Plate?

Answer 18

7

Question 19

Just like the VariAx system, AxSos 3 has variable angle locking in the shaft of the plates.

T/F

Answer 19

False

Question 20

Which one of these products is not appropriate for a Proximal Humeral fracture?

A: T2 PHN
B: Proximal Humeral Plate
C: T2 Standard Humeral Nail

Answer 20

C

Question 21

Which one of these is not a design feature of the AxSos Proximal Humeral Plate?

A: Anatomically designed left and right plate options
B: Low 2mm plate profile
C: Locking and Non-locking screws

Answer 21

B

Question 22

Just like all other SmartLock technology, the VariAx clavicle has softer Grade 2 Ti plates and harder Grade 5 Ti screws.

T/F

Answer 22

False

Question 23

What does SOMA stand for?

Answer 23

Stryker Orthopedics Modeling and Analytics

Question 24

The initial position of the SpeedGuide can be verified when the tip is securely engaged in the plate and the drill is in ______ mode.

Answer 24

Lock

Question 25

What are the 4 fragments when classifying a Neer 4-Part Fracture of the Proximal Humerus? A: Humeral Head; Greater Tuberosity; Lesser Tuberosity; Shaft B: Greater Troch; Lesser Troch; Head; Shaft C: Greater Tuberosity; Shaft; Surgical Neck; Anatomic Neck D: Lesser Tuberosity; Humeral Head; Surgical Neck; Shaft

Answer 25

A

Question 26

If the depth gauge is not used, the VariAx SpeedGuie can still be used for one-handed __________.

Answer 26

Drilling

Question 27

What is the feature of the VariAx Clavicle screw that allows both the 2.7m & 3.5mm to be used in any hole of the plate?

Answer 27

Common 4.9mm head size for both screws

Question 28

What is the diameter option of the T2 PHN?

Answer 28

8mm

Question 29

What's the most common classification for Proximal Humeral fractures?

Answer 29

Neer

Question 30

The maximum profile height of the VariAx Clavicle plates is?

Answer 30

3.3mm

Question 31

What is the maximum cone of angulation the surgeon may employ when utilizing the SmartLock technology with the VariAx Clavicle?

Answer 31

+/- 15*

Question 32

There are ____ SpeedGuide options available.

Answer 32

5

Question 33

The anterior and posterior __________ Humeral Artery circles the proximal humerus and is the major blood supply to the articular surface.

Answer 33

Circumflex

Question 34

Which one of these is not a design goal of the ReUnion Fracture System? A: Correct implant compression B: Correct implant height C: Correct head implant size D: Correct angulation of head implant

Answer 34

A

Question 35

On average, the humeral head is 30* anteverted relative to the shaft of the humerus. T/F

Answer 35

False

Question 36

The T2 PHN can be inserted both integrate and retrograde. T/F

Answer 36

False

Question 37

The T2 ________ Nail has threaded proximal holes with a nylon ring to help improve stability and help prevent screw back-out?

Answer 37

PHN

Question 38

The SpeedGuide is compatible with all of the VariAx Clavicle plates. T/F

Answer 38

True

Question 39

All of the VariAx Clavicle plates come with right and left specific options. T/F

Answer 39

False

Question 40

The majority of humeral shaft fractures are treated conservatively. T/F

Answer 40

True

Question 41

The aiming block for the superior lateral VariAx Clavicle plate is designed to guide the screws in a reproducible Divergent or Convergent pattern?

Answer 41

Divergent

Question 42

The VariAx Clavicle Hook Plates are delivered sterile and have trials and rulers to determine the proper size and length to open. T/F

Answer 42

True

Question 43

The anterior surface of the clavicle tapers down from medial to lateral. Due to research supported by the SOMA Database, the VariAx Clavicle anterior plates taper from _____ medially to ______ laterally.

Answer 43

11mm / 10mm