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Module 7 > Test > Flashcards

Test Flashcards

1
Q

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

A

TRUE

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2
Q

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.

A

Non-Locking; Locking

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3
Q

Which depth is not offered in the Clavicle hook plates?

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

A

C: 18mm

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4
Q

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

A

VariAx Elbow

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5
Q

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

T/F

A

False

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6
Q

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

A

Nonsurgical, Conservative Treatment

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7
Q

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

A

A, C, D

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8
Q

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

A

4

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9
Q

All the superior plates in the VariAx Clavicle system have:

A

A medial to lateral Bow in the AP view

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10
Q

The VariAx SpeedGuide combines which 3 instruments into one?

A

Drill, Drill Guide, Depth Gauge

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11
Q

You can use _______ screws with the VariAx clavicle plates.

A

2.7mm & 3.5mm

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12
Q

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

T/F

A

True

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13
Q

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

T/F

A

False

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14
Q

What are the 4 muscles of the rotator cuff?

A

Supraspinatus; Infraspinatus; Teres Minor; Subscapularis

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15
Q

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

A

ReUnion HA Fracture System

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16
Q

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…

A

Drill the far cortex

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17
Q

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

A

35

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18
Q

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

A

7

19
Q

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

T/F

A

False

20
Q

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

A

C

21
Q

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

A

B

22
Q

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

T/F

A

False

23
Q

What does SOMA stand for?

A

Stryker Orthopedics Modeling and Analytics

24
Q

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

A

Lock

25
Q

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

A

A

26
Q

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

A

Drilling

27
Q

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?

A

Common 4.9mm head size for both screws

28
Q

What is the diameter option of the T2 PHN?

A

8mm

29
Q

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

A

Neer

30
Q

The maximum profile height of the VariAx Clavicle plates is?

A

3.3mm

31
Q

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

A

+/- 15*

32
Q

There are ____ SpeedGuide options available.

A

5

33
Q

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

A

Circumflex

34
Q

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

A

A

35
Q

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

T/F

A

False

36
Q

The T2 PHN can be inserted both integrate and retrograde.

T/F

A

False

37
Q

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

A

PHN

38
Q

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

T/F

A

True

39
Q

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

T/F

A

False

40
Q

The majority of humeral shaft fractures are treated conservatively.

T/F

A

True

41
Q

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

A

Divergent

42
Q

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

T/F

A

True

43
Q

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.

A

11mm / 10mm

Module 7 (1 decks)

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