Material : Tantalum pin or tantalum marker
Chemical composition : according to ASTM F 560 -98 R05400 or ISO 5832-3. The recognized standard by The Food and Drug Administration (FDA) is ASTMF560-98, which is the Standard Specification for Unalloyed Tantalum for Surgical Implant Applications (UNS R05200, UNS R05400).
Size available :
Diameter 0.15 up to 2.50mm at random length) or tailor to the drawings.
Typical size :
0.0382" diameter x 0.104" length;
0.0400" diameter x 0.145" length;
0.0382" diameter x 0.063" length;
0.069" Outside diameter x 0.0425" Inside diameter x 0.255" Length;
0.071" Outside diameter x 0.0425" Inside diameter x 0.245" Length;
Application : Tantalum ASTM F560 is an approved biomaterial, tantalum radiographic markers consist of tantalum wires and tantalum beads (conform to ASTM F560 ) that are press-fit into small holes in the implant, tantalum wire markers (conforms to ASTM F560) are inserted into the components to give surgeons a visual aid in determining the location of the implant, both inter and post-operatively. e.g. the interbody fusion system is comprised of a variety of components fabricated and manufactured from the material PEEK ASTM F2026-07e1 Standard Specification for Polyetheretherketone (PEEK) Polymers for Surgical Implant Applications or titanium alloy (Ti-6Al-4V) that conforms to ASTM F136 Standard Specification for Wrought Titanium-6 Aluminum-4 Vanadium ELI (Extra Low Interstitial) Alloy for Surgical Implant Applications (UNS R56401) and ASTM F560 Standard Specification for Unalloyed Tantalum for Surgical Implant Applications.
Tantalum pins are used for medical purposes such as hip-joint replacement, since tantalum is the only metal that is not rejected by bodily fluids. Tantalum pins can display orientation in radiography, since plastic doesn't reflect X-rays, especially have an excellent function in the spinal fusion cages, tantalum pins markers can obtain distinct landmarks, calibrated cages with small tantalum pins markers.
ASTM F 560 medecal grade Tantalum, element #73, is a shiny, flexible, and highly radio-opaque metal. Though more brittle than stainless steel, tantalum exhibits high ductility and resistance to corrosion.
ASTM F 560 medecal grade Tantalum is ideal for viewing and supporting, but more biocompatible options exist.
ASTM F 560 medecal grade Tantalum is a highly radiopaque material, which is easily seen on fluoroscopy.
ASTM F 560 medecal grade tantalum exhibits excellent radiopacity and it is also Magnetic Resonance Imaging (MRI)-compatible.
The bioinertness of tantalum was reconfirmed as was its suitability for use as skeletal and soft tissue radiographic markers.
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Standard Specification for Unalloyed Tantalum for Surgical Implant Applications (ASTM F 560 - 05 UNS R05200, ASTM F 560 - 05 UNS R05400). This specification is under the jurisdiction of ASTM committee F04 on Medical and Surgical Materials and Devices (orthopaedic medical devices) and is the direct responsibility of Subcommittee F04.12 on Metallurgical Materials.
This Specification covers the chemical requirements, mechanical properties, and metallurgical requirements for unalloyed tantalum wire, unalloyed tantalum rod, unalloyed tantalum tube, unalloyed tantalum ribbon, unalloyed tantalum strip, unalloyed tantalum foil, unalloyed tantalum sheet, unalloyed tantalum plate, etc., used in the manufacture of surgical implants.
Referenced Standards :
ASTM B 364 Specification for Tantalum and Tantalum Alloy Ingots;
ASTM B 365 Specification for Tantalum rod + Tantalum Alloy Rod + Tantalum Wire + Tantalum Alloy Wire;
ASTM B 708 Specification for Tantalum Ribbon, Tantalum Alloy Ribbon, Tantalum Strip, Tantalum Alloy Strip, Tantalum Foil, Tantalum Alloy Foil, Tantalum Sheet, Tantalum Alloy Sheet, Tantalum Plate, Tantalum Alloy Plate;
ASTM E 8 Test Methods for Tension Testing of Metallic Materials;
ASTM E 29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications;
ASTM F 981 Practice for Assessment of Compatibility of Biomaterials for Surgical Implants with Respect to Effect of Materials on Muscle and Bone;
ASQ C1 Specification of General Requirements for a Quality Program;
ISO 6892 Metallic Materials Tensile Testing at Ambient Temperature;