Implant Choices

Question 1

what are external skeletal fixators effective at?

Answer 1

neutralize all distraction forces

Question 2

what are the types of external skeletal fixators?

Answer 2

Ia
Ib
II
III
hybrid

Question 3

what is a type Ia external skeletal fixator?

Answer 3

unilateral-uniplanar

Question 4

what is a type Ib external skeletal fixator?

Answer 4

unilateral-biplanar

Question 5

what is a type II external skeletal fixator?

Answer 5

bilateral-uniplanar

Question 6

what is a type III external skeletal fixator?

Answer 6

bilateral-biplanar

Question 7

what angles are pins at in a circular external skeletal fixator?

Answer 7

90 degrees if possible
often at 60 degrees

Question 8

what is a downside to plates and screws?

Answer 8

expensive and need a large inventory

Question 9

any plates using ___________ screws should be contoured to the bone

Answer 9

cortical

Question 10

how can plates function?

Answer 10

compression
neutralization
buttress/bridging

Question 11

what is a method to obtain compression at a fracture?

Answer 11

plate holes
offset so pulls plate/bone in

Question 12

what is a positive of a locking plate?

Answer 12

head of screw indexes into plate: cannot toggle or wiggle