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Medical Devices Components

Guidewire components

Guidewire spring colils

Yokowo offers microcoiling, fine wire in a Platinum alloys, Stainless steel.

★Feature

・Cylindrical shapes, Conical shapes available
・Variable Pitches (Space Between Coils available)
・Initial tension control (Soft, Stiff)


Typical Spec.
Outer Diameter
.008" - .120"
(tolerance: +/- .0004" - .0008")
0.20 - 3.0 mm
(tolerance: +/- 0.010 - 0.020 mm)
Wire Diameter
.0008" - .0120"
(tolerance: +/- .00012" - .00020")
0.020 - 0.30 mm
(tolerance: +/- 0.003 - 0.005 mm)
Length
.020" - 80"
(tolerance: +/- .004" - .080")
0.5 - 2000 mm
(tolerance: +/- 0.10 - 2.0 mm)
Conical Shape
Cylindrical shapes, Conical shapes available
Space Between Coils (Opening)
Constant opening, Variable opening available
Helix Type
Standard: Right helix (Z helix)
Spring Index
D/d > 3         D: Coiled wire central diameter         d: Wire Diameter
Materials
Au,    Pt,    Pt/10%Ir,    Pt/7%Ni,    Pt/8%W,    SUS304,    Piano Wire

Guidewire shafts

Yokowo offers centerless grinding, fine wire in a Stainless steel, Nitinol.

★Feature

・Cylindrical shapes, Conical shapes available
・Optional PTFE coating


Typical Spec.
Shaft Diameter
.0012" - .080"
(tolerance: +/- .00012" - .00020")
0.030 - 2.0 mm
(tolerance: +/- 0.003 - 0.005 mm)
Shaft Length
4" - 80"
(tolerance: +/- .040" - .080")
200 - 2000 mm
(tolerance: +/- 1.0 - 2.0 mm)
Conical Shape Length
< 12" < 300 mm
Materials
SUS304,    SUS316,    NiTi
Optional Service
PTFE coating (10±3μm thickness)

Guidewire assembly

Yokowo offers guidewire sub-assemblies.

★Feature

・Optional PTFE coating
・Optional Hydrophilic coating


Typical Spec.
Guidewire shaft
See Guidewire Spec. sheet
Guidewire spring coil
See Guidewire spring coil Spec. sheet
Solder
Sn-Pb,   Sn-Cu,   Sn-Ag-Cu
Optional Service
PTFE coating (10±3μm thickness)
Optional Service
Hydrophilic coating