We can supply you with various diameters of pure Tantalum wires according to ASTM F 560 or ISO 5832-3. The recognized standard by The Food and Drug Administration (FDA) is ASTM F560-98, which is the Standard Specification for Unalloyed Tantalum for Surgical Implant Applications.
Size available: Diameter 0.15 up to 2.50mm x coil (at random length).
Typical size:
0.18mm(0.007") diameter x coil; (theoretical weight: 0.0008 kg/m)
0.20mm diameter x coil; (theoretical weight: 0.001 kg/m)
0.25mm(0.010") diameter x coil; (theoretical weight: 0.001 kg/m)
0.30mm(0.012") diameter x coil; (theoretical weight: 0.001 kg/m)
0.38mm (0.015")diameter x coil; (theoretical weight: 0.002 kg/m)
0.50mm diameter x coil; (theoretical weight: 0.003 kg/m)
0.51mm(0.020") diameter x coil; (theoretical weight: 0.003 kg/m)
0.60mm diameter x coil; (theoretical weight: 0.005 kg/m) is used for orthopaedic medical devices)
0.635mm diameter x coil; (theoretical weight: 0.005 kg/m)
0.70mm diameter x coil; (theoretical weight: 0.006 kg/m) is used for making the cage markers (medical device).
0.80mm diameter x coil; (theoretical weight: 0.008 kg/m)
0.90mm diameter x coil; (theoretical weight: 0.011 kg/m)
1.00mm diameter x coil; (theoretical weight: 0.013 kg/m) is used as the surgical implants material.
1.50mm diameter x coil; (theoretical weight: 0.029 kg/m)
1.57mm diameter x coil; (theoretical weight: 0.032 kg/m)
1.60mm diameter x coil; (theoretical weight: 0.033 kg/m)
2.0mm diameter x coil; (theoretical weight: 0.052 kg/m)
2.36 mm diameter x coil; (theoretical weight: 0.073 kg/m)
Typical application: Tantalum wire can be headed into tantalum ball or tantalum bead through cut of in the heading machine, then after flashing, grinding process to get the finished tantalum balls or tantalum beads; Another shape is tantalum pin, cut and machined from rolls of tantalum wire ASTM F560, these medical grade of tantalum pins, tantalum balls, tantalum spheres and tantalum beads are used as tantalum wire markers or tantalum markers.
Medical grade Tantalum has been widely used in surgical applications such:
- in fracture repair;
- in dental applications;
- as a flexible stent to prevent arterial collapse;
- as a stent to treat biliary and arteriovenous (haemodialyzer) fistular stenosis;
- tantalum wire markers for improving X-ray radiopacity in implant applications.
- as a radiographic marker for diagnostic purposes, due its high density;
- as vascular clips, with the particular advantage that since tantalum is not
Ferromagnetic it is highly suited to MRI scanning;
- as the material of choice for permanent implantation in bone contributing to
Its excellent biocompatibility, as osteomigration prevents migration;
Tantalum markers in radiography:
Tantalum pin markers (99.9% purity) and tantalum spherical markers (99.95% purity) were evaluated well on the biocompatibility.
Tantalum markers in radiography with tantalum pin and tantalum spherical markers being implanted into bony and soft tissues of human beings, No macroscopic reaction
Was noted around the markers, those implanted into bone were firmly fixed exhibiting close contact with adjacent bone lamellae. Tantalum beads (or tantalum balls or tantalum spheres) imbedded in the anterior and posterior edges of the implant allow for X-ray confirmation of implant location.
The tantalum marker beads allow radiographic location and orientation of the implant. Tantalum pellets are used as X-ray markers because of their excellent radiopaque characteristics and biocompatability.
Tantalum markers in spine surgery (spinal implants):
X-ray markers allow for an optimal final positioning of both cages and an easy radiological assessment, also post-operatively to follow-up an eventual migration. The right and left cage can be easily identified due to the special alignment of the X-ray markers.
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