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Medical Devices Components

Catheter components

Support Wires

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

★Feature

・Cylindrical shapes, Conical shapes available
・Optional PTFE coating


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
SUS304,    SUS316,    NiTi,    W

Tube shafts

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

★Feature

・Cylindrical shapes, Conical shapes available
・Optional PTFE coating


Typical Spec.
Outer Diameter
.020" - .120"
(tolerance: +/- .00012" - .00020")
0.50 - 3.0 mm
(tolerance: +/- 0.003 - 0.005 mm)
Inner Diameter
.012" - .110"
(tolerance: +/- .00012" - .00020")
0.30 - 2.8 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,    W
Optional Service
PTFE coating (10±3μm thickness)

Wire Coiled shafts

Yokowo offers microcoiling, Flat wire in a Stainless steel.

★Feature

・Initial tension control (Soft, Stiff)


Typical Spec.
Outer Diameter
Round Wire: .008" - .120"
Flat Wire : .012" - .120"
(tolerance: +/- .0004" - .0008")
Round Wire: 0.20 - 3.0 mm
Flat Wire : 0.30 - 3.0 mm
(tolerance: +/- 0.010 - 0.020 mm)
Round Wire Diameter
.0008" - .0120"
(tolerance: +/- .00012" - .00020")
0.020 - 0.30 mm
(tolerance: +/- 0.003 - 0.005 mm)
Flat Wire spec. (Ribon Wire)
Thickness: .0016" - .0047"
Width : 150% - 250% Thickness
(tolerance: +/- .00012" - .00016")
Thickness: 0.040 - 0.12 mm
Width : 150% - 250% Thickness
(tolerance: +/- 0.003 - 0.004 mm)
Length
8" - 120"
(tolerance: +/- .040" - .120")
200 - 3000 mm
(tolerance: +/- 1.0 - 3.0 mm)
Conical Shape
Cylindrical shapes, Conical shapes available
Spring Pitch
Variable Pitch
Helix Type
Standard: Right helix (Z helix)
Spring Index
Round Wire: D/d > 3       D: Coiled wire central diameter       d: Wire Diameter
Flat Wire       : D/d > 6
Materials
SUS304,    NiTi,    W

Catheter tips / Others

Yokowo offers micromachining, fine rod in a precious metals.

★Feature

・Burr-free micromachining
・Smooth finishing


Typical Spec.
Shape
Custom Shape
Diameter
.020" - .12"
(tolerance: +/- .0004")
0.50 - 3.0 mm
(tolerance: +/- 0.010 mm)
Length
.008" - .080"
(tolerance: +/- .0004")
0.20 - 0.50 mm
(tolerance: +/- 0.010 mm)
Surface Roughness
Ra < 0.004 mil Ra < 0.1 μm
Materials
Au,    Pt,    Pt/10%Ir,    SUS304,     SUS316