What is a Type I Salter fracture?
What is a Type II Salter fracture?
What is a Type III Salter fracture?
Lower or beLow
What is a Type IV Salter fracture?
What is a Type V Salter fracture?
ERasure of the growth plate
What are the 5 components used to describe a fracture?
- Open or Closed
- Configuration (transverse, short oblique, long onlique, comminuted)
- Location of the fracture within the bone
- Specific bone fractured
- Displacement and overriding
What are the types of implants (materials) used in fracture repair?
316 LVM Stainless Steel
Stiffness of a rod is _____.
radius to 4th power
Stiffness of a square beam is _____.
height to 3rd power
width to 1st power
Stiffness of a length of with beam is _____.
length to 3rd power
To use cerclage wire, fracture must be _____.
T/F: Cerclage wire can be used as the sole means of repair.
What size cerclage wire should be used in dogs vs. cats/toy breeds?
Dogs = 1-1.2mm (18-20G)
Cats/toy breeds = 0.64-0.81mm (20-22G)
___ or more circumferential cerclage wires must be used, placed _____ apart.
Cerclage should be no closer than ____ from the fracture ends.
Cerclage wire must reside directly on _____ and confirmed to be _____.
The size of the intramedulary pin should be ___% the diameter of the _____ cavity.
The intramedulary pin should be placed _____ when possible.
The intramedulary pin should be seated in the _____.
trans (far) epiphysis
The fixation construct of the intramedulary pin should counter _____, or _____ should be employed.
torsional stress, ancillary devices
If intramedulary pins are used in conjunction with plates, the size of the pin should be ____% the diameter of the _____.
30-50%, medullary cavity
The size of the dynamic compression plate used is dictated by the size of the _____ allowed.
The major diameter of the screw used should approach but be no greater than ___% of the diameter of the bone being plated with a dynamic compression plate.
Screws should engage at least ____ cortices on either side of a fracture when using a dynamic compression plate.
Screws shoud engage both _____ and _____ cortices when using a dynamic compression plate.
cis (near), trans (far)
When plating with a dynamic compression plate, the fracture should be _____ so that there is cortical-cortical contact (esp on the _____ cortex).
The dynamic compression plate should be _____ so that it lies directly on the bone.
In dynamic compression plating, screws should be placed in _____ --- away from the fracture line in the _____.
"load position", dynamic compression hole
The size of the locking plate is dictated by the size of the _____ allowed.
With a locking plate, the major diameter of the screw should approach, but be no greater than ___% of the diameter of the bone being plated.