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Medical Nitinol Tube High Precision Superelastic for Endoscopic Instruments
Premium Superelastic Nitinol Tubing with Exceptional Precision for Minimally Invasive Endoscopic Instruments and Medical Devices
- Overview
- Specification
- Features & Applications
- Product FAQs
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Product Overview:High-Precision Superelastic Nitinol Tube for Endoscopic Medical Devices
Our medical-grade nitinol tube is a cutting-edge solution designed specifically for endoscopic instruments and minimally invasive surgical tools. Crafted from premium superelastic NiTi alloy, this high-precision nitinol tubing combines shape memory effect with exceptional pseudoelasticity, allowing it to withstand significant deformation while returning to its original shape without kinking or permanent damage.
Key advantages include superior biocompatibility, corrosion resistance, and fatigue resistance, compliant with ASTM F2063 standards for implantable and interventional devices. Ideal for navigating complex anatomical pathways in flexible endoscopes, biopsy tools, and steerable catheters, this nitinol hypotube enhances procedural precision, reduces patient trauma, and supports faster recovery times in modern healthcare.
| Nickel Titanium Wire Chemical Composition | ||||
|
Product Type |
Grade | Fully Annealing Af | Form | Standard |
|
Shape Memory Nitinol Wire |
NiTi-01 | 20℃~40℃ | Wire, Bar, Plate |
Customer specified or Industry Standard (ASTMF2063 Q/XB1516.1 Q/XB1516.2) |
| NiTi-02 | 45℃~90℃ | |||
| Superelastic nitinol alloy | Ni-Ti-SS | -5℃~5℃ | ||
| Low temperature superelastic nitinol alloy | TN3 | -20℃~-30℃ | ||
| TNC | ||||
| Medical nitinol alloy | NiTi-SS |
Active Af 33℃±3℃ |
||
| Narrow hysteresis nitinol alloy | NiTiCu | As-Ms≤5℃ | Wire, Bar | |
| Wide hysteresis nitinol alloy | NiTiNb | As-Ms<150℃ | ||
| NiTiF | ||||
Key Features of Superelastic Nitinol Tubing in Endoscopic Instruments
- Superelasticity and Shape Memory: Recovers up to 8-11% strain without deformation, providing kink-resistant flexibility for tortuous paths in minimally invasive endoscopy.
- High Precision Manufacturing: Tight dimensional tolerances, smooth surface finishes (oxide-free or centerless ground), and customizable wall thicknesses for optimal torque transmission and pushability in medical hypotubes.
- Biocompatibility and Corrosion Resistance: Medical-grade NiTi alloy with titanium oxide layer ensures safe long-term contact in vascular, urological, and gastrointestinal procedures.
- Fatigue Resistance and Durability: Withstands repeated bending and stress, extending device lifespan in reusable endoscopic surgical instruments.
- MRI Compatibility and Low Profile: Enables thin-wall designs for compact steerable endoscopic devices, improving maneuverability without compromising strength.
Applications of Medical Nitinol Tube in Minimally Invasive Endoscopic Procedures
This high-precision superelastic nitinol tube excels in a wide range of endoscopic and interventional medical applications:
- Flexible Endoscopes and Biopsy Instruments: Enhances navigation through complex anatomy for diagnostic and therapeutic procedures.
- Steerable Catheters and Guidewires: Provides superior torque control and kink resistance in cardiovascular, urological, and gastrointestinal endoscopy.
- Robotic-Assisted Surgical Tools: Supports wristed articulation and precise manipulation in minimally invasive surgery.
- Retrieval Devices and Stone Extraction: Delivers reliable grasping and deployment in endoscopic stone management.
- Other Uses: Ideal for laser-cut hypotubes in stents, needles, and distal protection devices requiring superelastic performance.
1.What is nitinol and why is it used in endoscopic instruments?
Nitinol (nickel-titanium alloy) is prized for its superelasticity and shape memory properties, allowing nitinol tubes to bend extensively without kinking and recover shape instantly—essential for flexible, reliable endoscopic medical devices.
2.Is medical nitinol tube biocompatible?
Yes, our medical-grade nitinol tubing features excellent biocompatibility due to its protective titanium oxide layer, making it safe for implants and long-term contact in minimally invasive procedures (compliant with biocompatibility standards like ISO 10993).
3.What makes this nitinol tube superelastic?
Superelasticity occurs above the austenite finish temperature, enabling up to 8-11% recoverable strain—far superior to stainless steel—ideal for kink-resistant performance in endoscopic hypotubes.
4.Can nitinol tubes be customized for specific endoscopic applications?
Absolutely. We offer customizable dimensions, Af temperatures, surface finishes, and laser-cut patterns for tailored high-precision nitinol tubing in catheters, guidewires, and surgical instruments.
5.How durable are superelastic nitinol tubes in repeated use?
Highly durable with exceptional fatigue resistance, our nitinol hypotubes withstand millions of cycles, supporting reusable endoscopic instruments without loss of performance.
