Cannulated Screws Flashcards
0
Q
Indications for small cannulated screws
A
Infra extra articulate fractures in small bones No unions Small joint arthrodesis Bunionectomies Osteotomies
1
Q
Small cannulated screw options
A
- 5mm
- 0mm
- 0 headless
2
Q
Indications for 2.0 QFX
A
Lesser metatarsal osteotomies
Osteotomies/fusions and fractures of phalanges metacarpals and carpals
3
Q
2.0 QFX screw
A
Titanium
Self drilling and tapping
1.1mm drill tip guidewire
2.0 driver
4
Q
2.5 cannulated screw specs
A
316L stainless steel Self drilling and tapping Thread length 40% of length 0.9 mm trocar tip guide wire cocr T10 torx 6.0mm washer
5
Q
3.0 mm cannulated screw specs
A
316L stainless steel Self driving and tappIng Thread length is 40% of length 1.1mm drill tip guide wire cocr 6.0mm washer
6
Q
3.0mm headless cannulated screw specs
A
3.3 head diameter
1mm fracture compression (DIFFERENTIAL THREAD)
1.25 thread pitch
1,0 head thread pitch
7
Q
Medium cannulated screw indications
A
Tarsal/metatarsal fractures and osteotomies Small joint arthrodesis Osteochondritis dissecans Lisfranc fractures Tibial plateau fractures
8
Q
4.0 cann screw specs
A
316L stainless steel Self drilling and tapping Thread length is 40-50% of screw length 1.3 mm tip threaded guide wire 2.5mm hex 8.0 washer
9
Q
Large cannulated screw indications
A
5.5, 6.5, 7.0, 8.0 Femoral neck fractures SCFE Ankle arthrodesis Sacroiliac joint disruptions Subtalar, triple, tibiotalar arthrodesis Tibial plateau Distal femoral condyle
10
Q
5.5 cann screw specs
A
316L SS and Ti Self drilling and tapping 16, 32mm and fully threaded 1.9 mm tip threaded guide wire cocr 3.5mm hex 12.7mm washer
11
Q
6.5, 7.0, 8.0 cann screws
A
316L SS and Ti Self drilling and tapping 16, 22, 32, 46mm and fully threaded 3.2mm tip threaded guide wire cocr 4.7 hex 12.7mm butterfly washers
