Ostheosynthesis cannulated screw for small fragments. - Biotech ortho

V17
Ostheosynthesis cannulated
screw for small fragments.

V17 Protocol (Phalanx fracture)
1. Fracture reduction
a
b
a
b
Reduce the fracture and hold with the
reduction clamp.
Measure screw length from the reduction clamp.
b
2. K-wire insertion
a
a Place the K-wire guide into the barrel of the
reduction clamp.
b
b
Insert a 0.7mm K-wire and secure it into the
opposite cortex
3. Screw insertion
c
a
b
c
a
Remove the K-wire guide from the barrel.
Slide the appropriate length screw and driver over the wire.
Drive the screw through the barrel of the reduction clamp
b
4. Compression
a
a Drive the screw until its head is flush with the near
cortex .
b Remove the K-wire and reduction clamp .

V23, VC30, VC35 Protocol (Scaphoid fracture)
b
a
1. K-wire insertion
a
Reduce a displaced fracture.
b Perforate the two cortex with a second k-wire, that will guide the positionning
of the screw and avoid any risk of fragments rotation.
At that point, the distal extremity is at the level of the distal.
2. Measure
It is recommended that fluoroscopy is used to confirm drill depth and screw length
3. Drilling
b
b
a
a
b
Place the K-wire gauge
on contact with the
proximal cortex .
Measure the screw lenght.
a
b
a
Introduce the appropriate drill
over the guide wire .
Screw lenght can also be checked
directly from the drill, as soon as
contact with the opposite cortex is
made and before perforating it.
4. Countersink 5. Screw insertion
a
a
a
Prepare the external cortex with
the cannulated countersink
through the cartilage so the
screw head will be flush.
a
The two K-wires stil in place,
insert the screw with the
cannulated screwdriver.
6. Compression
a
a
Drive screw until head is
flush with near cortex.
The screw head must not go past
the cartilage.
b
Remove the K-wires.

Illustrations for information.
The drill, countersink and screwdriver
shaft have a color coded ring that
corresponds to the screw diameter it
serves.
Screw Length K-wire Drill Countersink
Screwdriver
V 17
V23
VC 30
VC 35
From 8 to 14 mm
1 mm increment.
Ø 1.7 mm
From 10 to 20 mm
2 mm increment.
From 20 to 28 mm
1 mm increment.
Ø 2.3 mm
Ø 3.0 mm
Ø 3.5 mm
NB: No 27 mm length.
From 10 to 20 mm
2 mm increment.
From 20 to 26 mm
1 mm increment.
From 26 to 32 mm
2 mm increment.
From 14 to 20 mm
2 mm increment.
From 20 to 26 mm
1 mm increment.
From 26 to 32 mm
2 mm increment.
From 35 to 45 mm
5 mm increment.
BR 070
BR 080
BR 120
BR 120
Self drilling
FT 230
FT 310C
FT
350C
FR 170
FR 230
FR 300C
FR 350C
TV 170
TV 230
TV 300C
TV 300C
Further information
The K-wire guide GB 070 is to be used
exclusively with the V17.
The good lenght screw can be checked with the
K-wire gauge JD 000.
K-wire diameter can be checked with the
K-wire diameter gauge PB 000.
O R T H O P A E D I C I M P L A N T S
305, Allées de Craponne
13300 Salon de Provence
France
Tél. : 33 (0)4 90 44 60 60
Fax : 33 (0)4 90 44 60 61
www.biotech-international.com
info@biotech-international.com
0459
TO - 0103OMNITECHHAND - rév.00 - 12/2011 - EN