Tantalum Marker Band

Tantalum Marker Band Specifications

Dimensions	Value	Maximum Tolerance
Outer Diameter:	0.2 – 8 mm	+/- 0.003 mm
Wall Thickness:	0.015 – 0.5 mm	+/- 0.005 mm
Length:	Customized	+/- 0.05 mm
Appearance:	The finished product must be inspected under a microscope to ensure a uniform metallic luster, absence of discoloration from hydrogenation or oxidation, and no scratches, deformation, or surface pitting.

Tantalum Marker Band Features

• High Radiopacity: High density and atomic number provide high contrast in X-ray and CT imaging.
• Good Biocompatibility: Suitable for implantation with no rejection reactions.
• Good Corrosion Resistance: Stable in both in vivo and in vitro environments, resistant to corrosion.
• Excellent Mechanical Properties: High strength, excellent toughness, and fatigue resistance.
• Good Surface Quality: Smooth surface, free from scratches or deformation, with uniform metallic gloss.

Tantalum Marker Band VS. Platinum-Iridium Marker Band

Tantalum and Platinum-Iridium marker bands are materials commonly used in medical imaging and implantable devices. The specific comparisons are as follows:

Property	Tantalum Marker Band	Platinum-Iridium Marker Band
Radiopacity	Moderate to High – Tantalum provides good X-ray contrast, suitable for imaging with lower contrast.	High – Platinum-iridium alloys have excellent X-ray and CT imaging capabilities due to their higher atomic number.
Biocompatibility	Very Good – Tantalum is highly biocompatible and widely used for implants.	Very Good – Platinum-iridium alloys also offer excellent biocompatibility, suitable for long-term implantation.
Corrosion Resistance	Excellent – Tantalum is highly resistant to chemical and electrochemical corrosion, especially in acidic environments.	Good – Platinum-iridium alloys also provide good corrosion resistance, making them suitable for long-term exposure to bodily fluids.
Mechanical Properties	Good – Tantalum has high strength and good ductility but is relatively brittle.	Excellent – Platinum-iridium alloys have exceptional strength, toughness, and fatigue resistance.
Manufacturing Difficulty	High – Tantalum is challenging to machine due to its brittleness, requiring specialized techniques.	Moderate – Although platinum-iridium alloys are softer, their high cost adds to the manufacturing complexity.
Applications	1. Vascular intervention devices<br>2. Cardiac pacemakers<br>3. Radiation therapy markers	1. High-precision medical devices<br>2. Catheters and stents<br>3. Nerve stimulators
Cost	Lower – Tantalum is relatively inexpensive.	Very High – Platinum-iridium alloys are costly due to their precious metal content.

Tantalum  Marker Band Applications

• Interventional Therapy: Used in angioplasty (e.g., balloon dilation) and stent placement, marking catheters or stents to aid precise positioning under X-ray or fluoroscopy.
• Cardiovascular Procedures: Employed in cardiac catheterization or rhythm management devices (e.g., pacemakers) to mark critical locations, ensuring surgical accuracy.
• Minimally Invasive Surgery: Provide clear imaging markers for navigation and positioning in endoscopic or catheter-based procedures.
• Medical Implants: Integrated into implantable devices (e.g., artificial joints, bone repair systems) for post-operative X-ray tracking of position and condition.
• Radiographic Diagnostics: Serve as reference points in X-ray or CT imaging to help identify specific tissue structures or device locations.

Tantalum Maker Band Packaging

The Tantalum Marker Band is carefully placed in wooden cases or cartons, with additional support from soft materials, to prevent shifting during transportation. This packaging method guarantees the integrity of the products throughout the delivery process.