25
Appendix
Fixation and tip electrode
Ventricular ring electrode
RV shock coil
Conductor to tip electrode
Conductor to ventricular ring
electrode
Fixation principle
Active fixatin
Fixation design
Extendable/retractable fixation screw,
electrically active
Penetration depth, extended length Max. 1.8 mm
Typical number of rotations for
extension or retraction
5 to 10 rotations
Maximum number of rotations for
extension or retraction
20 rotations
Electrically active surface of
the tip electrode
4.5 mm
2
Material
Platinum/iridium alloy
Surface, structure
Iridium, fractal
Area
24.5 mm
2
Material
Platinum/iridium alloy
Surface, structure
Iridium, fractal
Distance to the lead tip
11 mm
Length
50 mm
Diameter
2.6 mm
Area
290 mm
2
Material
Platinum/iridium alloy
Distance to the lead tip
17 mm
Design
Coil made of several parallel wires
Number of wires per coil
4
Material
MP35N*)
Internal diameter
0.44 mm
Outer diameter
0.7 mm
Conductor resistance
Length 61 cm or 65 cm
Max. 50 Ω
Length 75 cm
Max. 60 Ω
From connector to
junction
From junction to ring
electrode
Design
Coil made of several
parallel wires
Cable
Number of wires per coil or
per cable
4
7 x 7
Material
MP35N*)
MP35N*), insulation:
Teflon PFA
Internal diameter
1.47 mm
--
Outer diameter
1.77 mm
0.28 mm
Conductor resistance
(measured between connector
and ring electrode)
Length 61 cm or 65 cm
Max. 50 Ω
Length 75 cm
Max. 60 Ω